Current conditions
:Product: Geophysical Alert Message wwv.txt
:Issued: 2025 Apr 30 1205 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
# Geophysical Alert Message
#
Solar-terrestrial indices for 29 April follow.
Solar flux 149 and estimated planetary A-index 6.
The estimated planetary K-index at 1200 UTC on 30 April was 3.33.
Space weather for the past 24 hours has been minor.
Radio blackouts reaching the R1 level occurred.
No space weather storms are predicted for the next 24 hours.
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 |
2025 Apr 30 |
1 |
1 |
1 |
2 |
2 |
1 |
1 |
1 |
2025 May 1 |
1 |
1 |
1 |
2 |
3 |
1 |
1 |
1 |
2025 May 2 |
2 |
3 |
3 |
4 |
3 |
3 |
2 |
2 |
Probability of Geomagnetic conditions at high latitudes
  |
Active |
Minor_Storm |
Major-Severe_Storm |
2025 Apr 30 |
15 |
20 |
20 |
2025 May 1 |
15 |
20 |
20 |
2025 May 2 |
10 |
25 |
50 |
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 |
2025 Apr 30 |
2 |
1 |
2 |
1 |
2 |
1 |
2 |
2 |
2025 May 1 |
1 |
1 |
2 |
1 |
2 |
1 |
2 |
2 |
2025 May 2 |
3 |
3 |
3 |
3 |
2 |
2 |
2 |
2 |
Probability of Geomagnetic conditions at mid latitudes
  |
Active |
Minor_Storm |
Major-Severe_Storm |
2025 Apr 30 |
10 |
1 |
1 |
2025 May 1 |
10 |
1 |
1 |
2025 May 2 |
35 |
15 |
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.
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