Current conditions

:Product: Geophysical Alert Message wwv.txt
:Issued: 2026 May 25 0010 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
#          Geophysical Alert Message
#
Solar-terrestrial indices for 24 May follow.
Solar flux 133 and estimated planetary A-index 6.
The estimated planetary K-index at 0000 UTC on 25 May was 2.00.

No space weather storms were observed for the past 24 hours.

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
2026 May 24	1	1	1	2	2	1	1	1
2026 May 25	1	1	1	2	3	1	1	1
2026 May 26	1	2	3	3	3	2	2	2

Probability of Geomagnetic conditions at high latitudes

	Active	Minor_Storm	Major-Severe_Storm
2026 May 24	15	20	20
2026 May 25	15	20	15
2026 May 26	20	25	20

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
2026 May 24	2	2	2	1	2	1	1	2
2026 May 25	2	1	2	1	2	1	2	1
2026 May 26	1	2	2	2	2	2	2	3

Probability of Geomagnetic conditions at mid latitudes

	Active	Minor_Storm	Major-Severe_Storm
2026 May 24	10	5	1
2026 May 25	10	5	1
2026 May 26	15	10	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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