Current conditions
wwv alert messages
Last 25 or 250 wwv alert messages.
Solar activity and geomagnetic forecast





Geomagnetic 3 days forecast for high latitudes
planetary index (K)
UTC |
00-03 |
03-06 |
06-09 |
09-12 |
12-15 |
15-18 |
18-21 |
21-00 |
2021 Jan 19 |
3 |
2 |
3 |
4 |
3 |
2 |
2 |
2 |
2021 Jan 20 |
2 |
3 |
3 |
4 |
3 |
2 |
2 |
2 |
2021 Jan 21 |
2 |
2 |
3 |
4 |
4 |
2 |
1 |
1 |
Probability of Geomagnetic conditions at high latitudes
  |
Active |
Minor_Storm |
Major-Severe_Storm |
2021 Jan 19 |
10 |
30 |
55 |
2021 Jan 20 |
15 |
30 |
45 |
2021 Jan 21 |
15 |
25 |
25 |
Geomagnetic 3 days forecast for mid latitudes
planetary index (K)
UTC |
00-03 |
03-06 |
06-09 |
09-12 |
12-15 |
15-18 |
18-21 |
21-00 |
2021 Jan 19 |
3 |
3 |
3 |
2 |
2 |
2 |
2 |
3 |
2021 Jan 20 |
2 |
3 |
3 |
2 |
2 |
2 |
2 |
3 |
2021 Jan 21 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
2 |
Probability of Geomagnetic conditions at mid latitudes
  |
Active |
Minor_Storm |
Major-Severe_Storm |
2021 Jan 19 |
40 |
15 |
1 |
2021 Jan 20 |
35 |
10 |
1 |
2021 Jan 21 |
15 |
5 |
1 |
24-hour forecast of a polar cap absorption (PCA) event
Green
No active sunspot region on the Sun is likely to produce a PCA event in the 24 hours.
Computed daily at 23h00Utc from datas issued from SEC.
f5len.org (c 2004-2010)
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