Magnetic storms in Hunan
Magnetic storms in Hunan, China. Current Kp index, 3-day storm forecast, list of cities and geomagnetic activity.
Cities in region12/12
An aurora visible over Hunan requires Kp ≥ 9 — current activity is below that level.
Numbers for Hunan
Aurora forecast over Hunan
Cities of Hunan — sensitivity table
Minimum Kp shown for a realistic chance of seeing an aurora. The lower the number, the more noticeable storms are in the city.
| City | Population | Geomagnetic latitude | Kp threshold | Sensitivity |
|---|---|---|---|---|
| Changsha | 3,093,980 | 18.9° | ≥ 9 | Low latitudes |
| Changde | 1,457,419 | 19.7° | ≥ 9 | Low latitudes |
| Guankou | 1,380,000 | 18.9° | ≥ 9 | Low latitudes |
| Heshan | 1,249,807 | 19.3° | ≥ 9 | Low latitudes |
| Zhuzhou | 1,129,687 | 18.5° | ≥ 9 | Low latitudes |
| Hengyang | 1,075,516 | 17.6° | ≥ 9 | Low latitudes |
| Yongzhou | 1,020,715 | 17.1° | ≥ 9 | Low latitudes |
| Yueyang | 991,465 | 20.1° | ≥ 9 | Low latitudes |
| Xiangtan | 959,303 | 18.5° | ≥ 9 | Low latitudes |
| Chenzhou | 822,534 | 16.5° | ≥ 9 | Low latitudes |
| Shaoyang | 753,194 | 17.9° | ≥ 9 | Low latitudes |
| Huaihua | 552,622 | 18.2° | ≥ 9 | Low latitudes |
FAQ about magnetic storms in Hunan
Are auroras visible in Hunan?+
Almost never. Hunan lies at low geomagnetic latitudes (≈ 18.4°). Visible auroras are possible only during extreme events (Kp ≥ 9) that occur once in several years.
How do magnetic storms affect residents of Hunan?+
At Kp ≥ 5 weather-sensitive people may experience blood pressure swings, headaches, sleep disturbances. Effects are moderate due to low geomagnetic latitude. However, strong G3+ storms can cause noticeable discomfort even here.
What Kp is needed to see an aurora in Hunan?+
By our estimate — Kp ≥ 9 (based on the regional mean of 18.4° geomagnetic latitude). The threshold is lower in the north of the region and higher in the south. For a specific city, open its page and check the «Aurora visibility threshold» section.
Where is the best place to watch auroras in Hunan?+
Best conditions are at the northernmost city in our database (Yueyang, 29.4° N). The further north, the higher the geomagnetic latitude and the more frequent the auroras. Also important: clear sky, no city light pollution, and observation around local midnight.
What is the nearest magnetic observatory?+
The nearest observatory is Irkutsk (Patrony), at 2806 km from the centre of Hunan. It belongs to the INTERMAGNET network and records the geomagnetic field in real time.
About magnetic storms: Hunan
Magnetic storms in Hunan (China) today: planetary Kp = 1.7 (quiet). The database holds 12 cities in the region with live geomagnetic data and forecasts.
Pick a city from the list to see detailed information: local time, geomagnetic latitude, distance to the nearest magnetic observatory, 3-day Kp chart with forecast and aurora visibility chance. All cities in Hunan use the same planetary Kp, but the local impact is computed individually per coordinates.
How a magnetic storm may manifest in Hunan: at Kp ≥ 5, weather-sensitive people can have headaches, blood-pressure swings, sleep disruption. At Kp ≥ 7, GPS navigation and shortwave radio may glitch. At Kp ≥ 8 — power-grid issues. Data from NOAA SWPC, updated every 10 minutes.
Inside Hunan, geomagnetic latitude varies from 16.5° to 20.1°, with a mean of 18.4°. The northernmost city, Yueyang, gets aurora visibility opportunities first when Kp climbs; the 3.6° south-to-north spread is enough to put neighbouring cities into very different storm-response groups.
The nearest magnetic observatory tracking conditions over Hunan is Irkutsk (Patrony). Combined with the planetary Kp index from NOAA SWPC, this station gives the closest reference point for how the local magnetic field behaves during storms in this part of China.