{ "title": "Aurora Tonight city Kp visibility thresholds", "updated": "2026-08-05", "methodology": "/research/city-kp-thresholds/", "units": { "latitude": "degrees", "longitude": "degrees", "geomagneticLatitude": "degrees", "kpHorizon": "planetary Kp index (0-9)", "kpOverhead": "planetary Kp index (0-9)" }, "count": 100, "cities": [ { "id": "akureyri", "city": "Akureyri", "country": "Iceland", "countryCode": "IS", "hemisphere": "north", "latitude": 65.6885, "longitude": -18.1262, "geomagneticLatitude": 69.7, "kpHorizon": 0, "kpOverhead": 0, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/akureyri/" }, { "id": "alta", "city": "Alta", "country": "Norway", "countryCode": "NO", "hemisphere": "north", "latitude": 69.9689, "longitude": 23.2717, "geomagneticLatitude": 67.13, "kpHorizon": 0, "kpOverhead": 0, "tier": 1, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/alta/" }, { "id": "churchill", "city": "Churchill", "country": "Canada", "countryCode": "CA", "hemisphere": "north", "latitude": 58.7684, "longitude": -94.1647, "geomagneticLatitude": 67.19, "kpHorizon": 0, "kpOverhead": 0, "tier": 1, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/churchill/" }, { "id": "inuvik", "city": "Inuvik", "country": "Canada", "countryCode": "CA", "hemisphere": "north", "latitude": 68.3607, "longitude": -133.723, "geomagneticLatitude": 71.12, "kpHorizon": 0, "kpOverhead": 0, "tier": 1, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/inuvik/" }, { "id": "longyearbyen", "city": "Longyearbyen", "country": "Svalbard", "countryCode": "SJ", "hemisphere": "north", "latitude": 78.2232, "longitude": 15.6267, "geomagneticLatitude": 75.25, "kpHorizon": 0, "kpOverhead": 0, "tier": 1, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/longyearbyen/" }, { "id": "nuuk", "city": "Nuuk", "country": "Greenland", "countryCode": "GL", "hemisphere": "north", "latitude": 64.1836, "longitude": -51.7214, "geomagneticLatitude": 72.57, "kpHorizon": 0, "kpOverhead": 0, "tier": 1, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/nuuk/" }, { "id": "tromso", "city": "Tromsø", "country": "Norway", "countryCode": "NO", "hemisphere": "north", "latitude": 69.6492, "longitude": 18.9553, "geomagneticLatitude": 67.46, "kpHorizon": 0, "kpOverhead": 0, "tier": 1, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/tromso/" }, { "id": "utqiagvik", "city": "Utqiaġvik", "country": "United States", "countryCode": "US", "hemisphere": "north", "latitude": 71.2906, "longitude": -156.7886, "geomagneticLatitude": 70.06, "kpHorizon": 0, "kpOverhead": 0, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/utqiagvik/" }, { "id": "vik", "city": "Vík", "country": "Iceland", "countryCode": "IS", "hemisphere": "north", "latitude": 63.4187, "longitude": -19.006, "geomagneticLatitude": 67.72, "kpHorizon": 0, "kpOverhead": 0, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/vik/" }, { "id": "yellowknife", "city": "Yellowknife", "country": "Canada", "countryCode": "CA", "hemisphere": "north", "latitude": 62.454, "longitude": -114.3718, "geomagneticLatitude": 68.56, "kpHorizon": 0, "kpOverhead": 0, "tier": 1, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/yellowknife/" }, { "id": "abisko", "city": "Abisko", "country": "Sweden", "countryCode": "SE", "hemisphere": "north", "latitude": 68.3494, "longitude": 18.8305, "geomagneticLatitude": 66.3, "kpHorizon": 0, "kpOverhead": 0.1, "tier": 1, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/abisko/" }, { "id": "bodo", "city": "Bodø", "country": "Norway", "countryCode": "NO", "hemisphere": "north", "latitude": 67.2804, "longitude": 14.4049, "geomagneticLatitude": 65.98, "kpHorizon": 0, "kpOverhead": 0.2, "tier": 1, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/bodo/" }, { "id": "fairbanks", "city": "Fairbanks", "country": "United States", "countryCode": "US", "hemisphere": "north", "latitude": 64.8378, "longitude": -147.7164, "geomagneticLatitude": 65.64, "kpHorizon": 0, "kpOverhead": 0.4, "tier": 1, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/fairbanks/" }, { "id": "kiruna", "city": "Kiruna", "country": "Sweden", "countryCode": "SE", "hemisphere": "north", "latitude": 67.8558, "longitude": 20.2253, "geomagneticLatitude": 65.64, "kpHorizon": 0, "kpOverhead": 0.4, "tier": 1, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/kiruna/" }, { "id": "ivalo", "city": "Ivalo", "country": "Finland", "countryCode": "FI", "hemisphere": "north", "latitude": 68.6592, "longitude": 27.5386, "geomagneticLatitude": 65.33, "kpHorizon": 0, "kpOverhead": 0.6, "tier": 1, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/ivalo/" }, { "id": "reykjavik", "city": "Reykjavík", "country": "Iceland", "countryCode": "IS", "hemisphere": "north", "latitude": 64.1466, "longitude": -21.9426, "geomagneticLatitude": 65, "kpHorizon": 0, "kpOverhead": 0.7, "tier": 1, "correctedGeomagneticLatitude": true, "forecastPath": "/forecast/reykjavik/" }, { "id": "murmansk", "city": "Murmansk", "country": "Russia", "countryCode": "RU", "hemisphere": "north", "latitude": 68.9585, "longitude": 33.0827, "geomagneticLatitude": 64.86, "kpHorizon": 0, "kpOverhead": 0.8, "tier": 1, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/murmansk/" }, { "id": "torshavn", "city": "Tórshavn", "country": "Faroe Islands", "countryCode": "FO", "hemisphere": "north", "latitude": 62.0079, "longitude": -6.7719, "geomagneticLatitude": 64.47, "kpHorizon": 0, "kpOverhead": 1, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/torshavn/" }, { "id": "whitehorse", "city": "Whitehorse", "country": "Canada", "countryCode": "CA", "hemisphere": "north", "latitude": 60.7212, "longitude": -135.0568, "geomagneticLatitude": 63.83, "kpHorizon": 0, "kpOverhead": 1.3, "tier": 1, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/whitehorse/" }, { "id": "rovaniemi", "city": "Rovaniemi", "country": "Finland", "countryCode": "FI", "hemisphere": "north", "latitude": 66.5039, "longitude": 25.7294, "geomagneticLatitude": 63.58, "kpHorizon": 0, "kpOverhead": 1.4, "tier": 1, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/rovaniemi/" }, { "id": "lulea", "city": "Luleå", "country": "Sweden", "countryCode": "SE", "hemisphere": "north", "latitude": 65.5842, "longitude": 22.1547, "geomagneticLatitude": 63.25, "kpHorizon": 0, "kpOverhead": 1.6, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/lulea/" }, { "id": "trondheim", "city": "Trondheim", "country": "Norway", "countryCode": "NO", "hemisphere": "north", "latitude": 63.4305, "longitude": 10.3951, "geomagneticLatitude": 63.04, "kpHorizon": 0, "kpOverhead": 1.7, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/trondheim/" }, { "id": "nome", "city": "Nome", "country": "United States", "countryCode": "US", "hemisphere": "north", "latitude": 64.5011, "longitude": -165.4064, "geomagneticLatitude": 62.55, "kpHorizon": 0, "kpOverhead": 1.9, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/nome/" }, { "id": "oulu", "city": "Oulu", "country": "Finland", "countryCode": "FI", "hemisphere": "north", "latitude": 65.0121, "longitude": 25.4651, "geomagneticLatitude": 62.23, "kpHorizon": 0, "kpOverhead": 2.1, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/oulu/" }, { "id": "anchorage", "city": "Anchorage", "country": "United States", "countryCode": "US", "hemisphere": "north", "latitude": 61.2181, "longitude": -149.9003, "geomagneticLatitude": 61.91, "kpHorizon": 0, "kpOverhead": 2.2, "tier": 1, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/anchorage/" }, { "id": "umea", "city": "Umeå", "country": "Sweden", "countryCode": "SE", "hemisphere": "north", "latitude": 63.8258, "longitude": 20.263, "geomagneticLatitude": 61.88, "kpHorizon": 0, "kpOverhead": 2.2, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/umea/" }, { "id": "lerwick", "city": "Lerwick", "country": "United Kingdom", "countryCode": "GB", "hemisphere": "north", "latitude": 60.1546, "longitude": -1.1494, "geomagneticLatitude": 61.81, "kpHorizon": 0, "kpOverhead": 2.3, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/lerwick/" }, { "id": "juneau", "city": "Juneau", "country": "United States", "countryCode": "US", "hemisphere": "north", "latitude": 58.3019, "longitude": -134.4197, "geomagneticLatitude": 61.63, "kpHorizon": 0, "kpOverhead": 2.4, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/juneau/" }, { "id": "bergen", "city": "Bergen", "country": "Norway", "countryCode": "NO", "hemisphere": "north", "latitude": 60.3913, "longitude": 5.3221, "geomagneticLatitude": 60.99, "kpHorizon": 0.2, "kpOverhead": 2.7, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/bergen/" }, { "id": "thurso", "city": "Thurso", "country": "United Kingdom", "countryCode": "GB", "hemisphere": "north", "latitude": 58.5936, "longitude": -3.5221, "geomagneticLatitude": 60.72, "kpHorizon": 0.4, "kpOverhead": 2.8, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/thurso/" }, { "id": "edmonton", "city": "Edmonton", "country": "Canada", "countryCode": "CA", "hemisphere": "north", "latitude": 53.5461, "longitude": -113.4938, "geomagneticLatitude": 60.05, "kpHorizon": 0.7, "kpOverhead": 3.1, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/edmonton/" }, { "id": "kuopio", "city": "Kuopio", "country": "Finland", "countryCode": "FI", "hemisphere": "north", "latitude": 62.8924, "longitude": 27.677, "geomagneticLatitude": 59.9, "kpHorizon": 0.8, "kpOverhead": 3.2, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/kuopio/" }, { "id": "inverness", "city": "Inverness", "country": "United Kingdom", "countryCode": "GB", "hemisphere": "north", "latitude": 57.4778, "longitude": -4.2247, "geomagneticLatitude": 59.77, "kpHorizon": 0.8, "kpOverhead": 3.3, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/inverness/" }, { "id": "oslo", "city": "Oslo", "country": "Norway", "countryCode": "NO", "hemisphere": "north", "latitude": 59.9139, "longitude": 10.7522, "geomagneticLatitude": 59.67, "kpHorizon": 0.9, "kpOverhead": 3.3, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/oslo/" }, { "id": "saskatoon", "city": "Saskatoon", "country": "Canada", "countryCode": "CA", "hemisphere": "north", "latitude": 52.1332, "longitude": -106.67, "geomagneticLatitude": 59.47, "kpHorizon": 1, "kpOverhead": 3.4, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/saskatoon/" }, { "id": "aberdeen", "city": "Aberdeen", "country": "United Kingdom", "countryCode": "GB", "hemisphere": "north", "latitude": 57.1497, "longitude": -2.0943, "geomagneticLatitude": 59.11, "kpHorizon": 1.2, "kpOverhead": 3.6, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/aberdeen/" }, { "id": "glasgow", "city": "Glasgow", "country": "United Kingdom", "countryCode": "GB", "hemisphere": "north", "latitude": 55.8642, "longitude": -4.2518, "geomagneticLatitude": 58.23, "kpHorizon": 1.6, "kpOverhead": 4, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/glasgow/" }, { "id": "edinburgh", "city": "Edinburgh", "country": "United Kingdom", "countryCode": "GB", "hemisphere": "north", "latitude": 55.9533, "longitude": -3.1883, "geomagneticLatitude": 58.14, "kpHorizon": 1.6, "kpOverhead": 4.1, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/edinburgh/" }, { "id": "winnipeg", "city": "Winnipeg", "country": "Canada", "countryCode": "CA", "hemisphere": "north", "latitude": 49.8951, "longitude": -97.1384, "geomagneticLatitude": 58.17, "kpHorizon": 1.6, "kpOverhead": 4.1, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/winnipeg/" }, { "id": "stockholm", "city": "Stockholm", "country": "Sweden", "countryCode": "SE", "hemisphere": "north", "latitude": 59.3293, "longitude": 18.0686, "geomagneticLatitude": 57.96, "kpHorizon": 1.7, "kpOverhead": 4.2, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/stockholm/" }, { "id": "helsinki", "city": "Helsinki", "country": "Finland", "countryCode": "FI", "hemisphere": "north", "latitude": 60.1699, "longitude": 24.9384, "geomagneticLatitude": 57.72, "kpHorizon": 1.8, "kpOverhead": 4.3, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/helsinki/" }, { "id": "calgary", "city": "Calgary", "country": "Canada", "countryCode": "CA", "hemisphere": "north", "latitude": 51.0447, "longitude": -114.0719, "geomagneticLatitude": 57.53, "kpHorizon": 1.9, "kpOverhead": 4.4, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/calgary/" }, { "id": "belfast", "city": "Belfast", "country": "United Kingdom", "countryCode": "GB", "hemisphere": "north", "latitude": 54.5973, "longitude": -5.9301, "geomagneticLatitude": 57.28, "kpHorizon": 2, "kpOverhead": 4.5, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/belfast/" }, { "id": "thunder-bay", "city": "Thunder Bay", "country": "Canada", "countryCode": "CA", "hemisphere": "north", "latitude": 48.3809, "longitude": -89.2477, "geomagneticLatitude": 57.21, "kpHorizon": 2.1, "kpOverhead": 4.5, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/thunder-bay/" }, { "id": "newcastle", "city": "Newcastle", "country": "United Kingdom", "countryCode": "GB", "hemisphere": "north", "latitude": 54.9783, "longitude": -1.6178, "geomagneticLatitude": 56.95, "kpHorizon": 2.2, "kpOverhead": 4.6, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/newcastle/" }, { "id": "tallinn", "city": "Tallinn", "country": "Estonia", "countryCode": "EE", "hemisphere": "north", "latitude": 59.437, "longitude": 24.7536, "geomagneticLatitude": 57.04, "kpHorizon": 2.2, "kpOverhead": 4.6, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/tallinn/" }, { "id": "saint-petersburg", "city": "Saint Petersburg", "country": "Russia", "countryCode": "RU", "hemisphere": "north", "latitude": 59.9311, "longitude": 30.3609, "geomagneticLatitude": 56.69, "kpHorizon": 2.3, "kpOverhead": 4.8, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/saint-petersburg/" }, { "id": "dublin", "city": "Dublin", "country": "Ireland", "countryCode": "IE", "hemisphere": "north", "latitude": 53.3498, "longitude": -6.2603, "geomagneticLatitude": 56.13, "kpHorizon": 2.6, "kpOverhead": 5, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/dublin/" }, { "id": "st-johns", "city": "St. John's", "country": "Canada", "countryCode": "CA", "hemisphere": "north", "latitude": 47.5615, "longitude": -52.7126, "geomagneticLatitude": 56.18, "kpHorizon": 2.6, "kpOverhead": 5, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/st-johns/" }, { "id": "quebec-city", "city": "Québec City", "country": "Canada", "countryCode": "CA", "hemisphere": "north", "latitude": 46.8139, "longitude": -71.208, "geomagneticLatitude": 56.11, "kpHorizon": 2.6, "kpOverhead": 5.1, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/quebec-city/" }, { "id": "manchester", "city": "Manchester", "country": "United Kingdom", "countryCode": "GB", "hemisphere": "north", "latitude": 53.4808, "longitude": -2.2426, "geomagneticLatitude": 55.62, "kpHorizon": 2.9, "kpOverhead": 5.3, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/manchester/" }, { "id": "sudbury", "city": "Sudbury", "country": "Canada", "countryCode": "CA", "hemisphere": "north", "latitude": 46.4917, "longitude": -80.993, "geomagneticLatitude": 55.67, "kpHorizon": 2.8, "kpOverhead": 5.3, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/sudbury/" }, { "id": "copenhagen", "city": "Copenhagen", "country": "Denmark", "countryCode": "DK", "hemisphere": "north", "latitude": 55.6761, "longitude": 12.5683, "geomagneticLatitude": 55.34, "kpHorizon": 3, "kpOverhead": 5.4, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/copenhagen/" }, { "id": "duluth", "city": "Duluth", "country": "United States", "countryCode": "US", "hemisphere": "north", "latitude": 46.7867, "longitude": -92.1005, "geomagneticLatitude": 55.45, "kpHorizon": 2.9, "kpOverhead": 5.4, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/duluth/" }, { "id": "marquette", "city": "Marquette", "country": "United States", "countryCode": "US", "hemisphere": "north", "latitude": 46.5436, "longitude": -87.3954, "geomagneticLatitude": 55.47, "kpHorizon": 2.9, "kpOverhead": 5.4, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/marquette/" }, { "id": "fargo", "city": "Fargo", "country": "United States", "countryCode": "US", "hemisphere": "north", "latitude": 46.8772, "longitude": -96.7898, "geomagneticLatitude": 55.2, "kpHorizon": 3.1, "kpOverhead": 5.5, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/fargo/" }, { "id": "montreal", "city": "Montréal", "country": "Canada", "countryCode": "CA", "hemisphere": "north", "latitude": 45.5019, "longitude": -73.5674, "geomagneticLatitude": 54.8, "kpHorizon": 3.3, "kpOverhead": 5.7, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/montreal/" }, { "id": "ottawa", "city": "Ottawa", "country": "Canada", "countryCode": "CA", "hemisphere": "north", "latitude": 45.4215, "longitude": -75.6972, "geomagneticLatitude": 54.71, "kpHorizon": 3.3, "kpOverhead": 5.7, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/ottawa/" }, { "id": "riga", "city": "Riga", "country": "Latvia", "countryCode": "LV", "hemisphere": "north", "latitude": 56.9496, "longitude": 24.1052, "geomagneticLatitude": 54.76, "kpHorizon": 3.3, "kpOverhead": 5.7, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/riga/" }, { "id": "vancouver", "city": "Vancouver", "country": "Canada", "countryCode": "CA", "hemisphere": "north", "latitude": 49.2827, "longitude": -123.1207, "geomagneticLatitude": 54.6, "kpHorizon": 3.4, "kpOverhead": 5.8, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/vancouver/" }, { "id": "bangor", "city": "Bangor", "country": "United States", "countryCode": "US", "hemisphere": "north", "latitude": 44.8016, "longitude": -68.7712, "geomagneticLatitude": 54.08, "kpHorizon": 3.6, "kpOverhead": 6, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/bangor/" }, { "id": "burlington", "city": "Burlington", "country": "United States", "countryCode": "US", "hemisphere": "north", "latitude": 44.4759, "longitude": -73.2121, "geomagneticLatitude": 53.78, "kpHorizon": 3.8, "kpOverhead": 6.2, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/burlington/" }, { "id": "halifax", "city": "Halifax", "country": "Canada", "countryCode": "CA", "hemisphere": "north", "latitude": 44.6488, "longitude": -63.5752, "geomagneticLatitude": 53.81, "kpHorizon": 3.7, "kpOverhead": 6.2, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/halifax/" }, { "id": "hamburg", "city": "Hamburg", "country": "Germany", "countryCode": "DE", "hemisphere": "north", "latitude": 53.5511, "longitude": 9.9937, "geomagneticLatitude": 53.71, "kpHorizon": 3.8, "kpOverhead": 6.2, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/hamburg/" }, { "id": "hobart", "city": "Hobart", "country": "Australia", "countryCode": "AU", "hemisphere": "south", "latitude": -42.8821, "longitude": 147.3272, "geomagneticLatitude": -53.7, "kpHorizon": 3.8, "kpOverhead": 6.2, "tier": 1, "correctedGeomagneticLatitude": true, "forecastPath": "/forecast/hobart/" }, { "id": "spokane", "city": "Spokane", "country": "United States", "countryCode": "US", "hemisphere": "north", "latitude": 47.6588, "longitude": -117.426, "geomagneticLatitude": 53.78, "kpHorizon": 3.8, "kpOverhead": 6.2, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/spokane/" }, { "id": "minneapolis", "city": "Minneapolis", "country": "United States", "countryCode": "US", "hemisphere": "north", "latitude": 44.9778, "longitude": -93.265, "geomagneticLatitude": 53.57, "kpHorizon": 3.9, "kpOverhead": 6.3, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/minneapolis/" }, { "id": "amsterdam", "city": "Amsterdam", "country": "Netherlands", "countryCode": "NL", "hemisphere": "north", "latitude": 52.3676, "longitude": 4.9041, "geomagneticLatitude": 53.39, "kpHorizon": 3.9, "kpOverhead": 6.4, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/amsterdam/" }, { "id": "london", "city": "London", "country": "United Kingdom", "countryCode": "GB", "hemisphere": "north", "latitude": 51.5074, "longitude": -0.1278, "geomagneticLatitude": 53.37, "kpHorizon": 4, "kpOverhead": 6.4, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/london/" }, { "id": "seattle", "city": "Seattle", "country": "United States", "countryCode": "US", "hemisphere": "north", "latitude": 47.6062, "longitude": -122.3321, "geomagneticLatitude": 53.07, "kpHorizon": 4.1, "kpOverhead": 6.5, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/seattle/" }, { "id": "toronto", "city": "Toronto", "country": "Canada", "countryCode": "CA", "hemisphere": "north", "latitude": 43.6532, "longitude": -79.3832, "geomagneticLatitude": 52.88, "kpHorizon": 4.2, "kpOverhead": 6.6, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/toronto/" }, { "id": "bozeman", "city": "Bozeman", "country": "United States", "countryCode": "US", "hemisphere": "north", "latitude": 45.677, "longitude": -111.0429, "geomagneticLatitude": 52.61, "kpHorizon": 4.3, "kpOverhead": 6.8, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/bozeman/" }, { "id": "vilnius", "city": "Vilnius", "country": "Lithuania", "countryCode": "LT", "hemisphere": "north", "latitude": 54.6872, "longitude": 25.2797, "geomagneticLatitude": 52.4, "kpHorizon": 4.4, "kpOverhead": 6.9, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/vilnius/" }, { "id": "berlin", "city": "Berlin", "country": "Germany", "countryCode": "DE", "hemisphere": "north", "latitude": 52.52, "longitude": 13.405, "geomagneticLatitude": 52.17, "kpHorizon": 4.5, "kpOverhead": 7, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/berlin/" }, { "id": "boston", "city": "Boston", "country": "United States", "countryCode": "US", "hemisphere": "north", "latitude": 42.3601, "longitude": -71.0589, "geomagneticLatitude": 51.66, "kpHorizon": 4.8, "kpOverhead": 7.2, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/boston/" }, { "id": "moscow", "city": "Moscow", "country": "Russia", "countryCode": "RU", "hemisphere": "north", "latitude": 55.7558, "longitude": 37.6173, "geomagneticLatitude": 51.65, "kpHorizon": 4.8, "kpOverhead": 7.2, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/moscow/" }, { "id": "detroit", "city": "Detroit", "country": "United States", "countryCode": "US", "hemisphere": "north", "latitude": 42.3314, "longitude": -83.0458, "geomagneticLatitude": 51.45, "kpHorizon": 4.9, "kpOverhead": 7.3, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/detroit/" }, { "id": "chicago", "city": "Chicago", "country": "United States", "countryCode": "US", "hemisphere": "north", "latitude": 41.8781, "longitude": -87.6298, "geomagneticLatitude": 50.81, "kpHorizon": 5.2, "kpOverhead": 7.6, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/chicago/" }, { "id": "portland", "city": "Portland", "country": "United States", "countryCode": "US", "hemisphere": "north", "latitude": 45.5152, "longitude": -122.6784, "geomagneticLatitude": 50.98, "kpHorizon": 5.1, "kpOverhead": 7.6, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/portland/" }, { "id": "warsaw", "city": "Warsaw", "country": "Poland", "countryCode": "PL", "hemisphere": "north", "latitude": 52.2297, "longitude": 21.0122, "geomagneticLatitude": 50.68, "kpHorizon": 5.3, "kpOverhead": 7.7, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/warsaw/" }, { "id": "invercargill", "city": "Invercargill", "country": "New Zealand", "countryCode": "NZ", "hemisphere": "south", "latitude": -46.4132, "longitude": 168.3538, "geomagneticLatitude": -50.24, "kpHorizon": 5.5, "kpOverhead": 7.9, "tier": 1, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/invercargill/" }, { "id": "des-moines", "city": "Des Moines", "country": "United States", "countryCode": "US", "hemisphere": "north", "latitude": 41.5868, "longitude": -93.625, "geomagneticLatitude": 50.17, "kpHorizon": 5.5, "kpOverhead": 8, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/des-moines/" }, { "id": "new-york", "city": "New York", "country": "United States", "countryCode": "US", "hemisphere": "north", "latitude": 40.7128, "longitude": -74.006, "geomagneticLatitude": 50.01, "kpHorizon": 5.6, "kpOverhead": 8, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/new-york/" }, { "id": "omaha", "city": "Omaha", "country": "United States", "countryCode": "US", "hemisphere": "north", "latitude": 41.2565, "longitude": -95.9345, "geomagneticLatitude": 49.68, "kpHorizon": 5.8, "kpOverhead": 8.2, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/omaha/" }, { "id": "prague", "city": "Prague", "country": "Czechia", "countryCode": "CZ", "hemisphere": "north", "latitude": 50.0755, "longitude": 14.4378, "geomagneticLatitude": 49.64, "kpHorizon": 5.8, "kpOverhead": 8.2, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/prague/" }, { "id": "dunedin", "city": "Dunedin", "country": "New Zealand", "countryCode": "NZ", "hemisphere": "south", "latitude": -45.8788, "longitude": 170.5028, "geomagneticLatitude": -49.39, "kpHorizon": 5.9, "kpOverhead": 8.3, "tier": 1, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/dunedin/" }, { "id": "queenstown", "city": "Queenstown", "country": "New Zealand", "countryCode": "NZ", "hemisphere": "south", "latitude": -45.0312, "longitude": 168.6626, "geomagneticLatitude": -48.84, "kpHorizon": 6.2, "kpOverhead": 8.6, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/queenstown/" }, { "id": "launceston", "city": "Launceston", "country": "Australia", "countryCode": "AU", "hemisphere": "south", "latitude": -41.4332, "longitude": 147.1441, "geomagneticLatitude": -48.25, "kpHorizon": 6.5, "kpOverhead": 8.9, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/launceston/" }, { "id": "adelaide", "city": "Adelaide", "country": "Australia", "countryCode": "AU", "hemisphere": "south", "latitude": -34.9285, "longitude": 138.6007, "geomagneticLatitude": -42.71, "kpHorizon": 9, "kpOverhead": 9, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/adelaide/" }, { "id": "auckland", "city": "Auckland", "country": "New Zealand", "countryCode": "NZ", "hemisphere": "south", "latitude": -36.8485, "longitude": 174.7633, "geomagneticLatitude": -39.9, "kpHorizon": 9, "kpOverhead": 9, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/auckland/" }, { "id": "christchurch", "city": "Christchurch", "country": "New Zealand", "countryCode": "NZ", "hemisphere": "south", "latitude": -43.5321, "longitude": 172.6362, "geomagneticLatitude": -46.77, "kpHorizon": 7.2, "kpOverhead": 9, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/christchurch/" }, { "id": "denver", "city": "Denver", "country": "United States", "countryCode": "US", "hemisphere": "north", "latitude": 39.7392, "longitude": -104.9903, "geomagneticLatitude": 47.39, "kpHorizon": 6.9, "kpOverhead": 9, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/denver/" }, { "id": "melbourne", "city": "Melbourne", "country": "Australia", "countryCode": "AU", "hemisphere": "south", "latitude": -37.8136, "longitude": 144.9631, "geomagneticLatitude": -44.92, "kpHorizon": 8.1, "kpOverhead": 9, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/melbourne/" }, { "id": "perth", "city": "Perth", "country": "Australia", "countryCode": "AU", "hemisphere": "south", "latitude": -31.9505, "longitude": 115.8605, "geomagneticLatitude": -41.13, "kpHorizon": 9, "kpOverhead": 9, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/perth/" }, { "id": "punta-arenas", "city": "Punta Arenas", "country": "Chile", "countryCode": "CL", "hemisphere": "south", "latitude": -53.1638, "longitude": -70.9171, "geomagneticLatitude": -43.87, "kpHorizon": 8.6, "kpOverhead": 9, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/punta-arenas/" }, { "id": "salt-lake-city", "city": "Salt Lake City", "country": "United States", "countryCode": "US", "hemisphere": "north", "latitude": 40.7608, "longitude": -111.891, "geomagneticLatitude": 47.66, "kpHorizon": 6.7, "kpOverhead": 9, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/salt-lake-city/" }, { "id": "stanley", "city": "Stanley", "country": "Falkland Islands", "countryCode": "FK", "hemisphere": "south", "latitude": -51.6938, "longitude": -57.8569, "geomagneticLatitude": -42.65, "kpHorizon": 9, "kpOverhead": 9, "tier": 2, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/stanley/" }, { "id": "sydney", "city": "Sydney", "country": "Australia", "countryCode": "AU", "hemisphere": "south", "latitude": -33.8688, "longitude": 151.2093, "geomagneticLatitude": -40.29, "kpHorizon": 9, "kpOverhead": 9, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/sydney/" }, { "id": "ushuaia", "city": "Ushuaia", "country": "Argentina", "countryCode": "AR", "hemisphere": "south", "latitude": -54.8019, "longitude": -68.303, "geomagneticLatitude": -45.52, "kpHorizon": 7.8, "kpOverhead": 9, "tier": 1, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/ushuaia/" }, { "id": "wellington", "city": "Wellington", "country": "New Zealand", "countryCode": "NZ", "hemisphere": "south", "latitude": -41.2866, "longitude": 174.7756, "geomagneticLatitude": -44.24, "kpHorizon": 8.4, "kpOverhead": 9, "tier": 3, "correctedGeomagneticLatitude": false, "forecastPath": "/forecast/wellington/" } ] }