Current conditions

:Product: Geophysical Alert Message wwv.txt
:Issued: 2026 Jul 26 0305 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
#          Geophysical Alert Message
#
Solar-terrestrial indices for 25 July follow.
Solar flux 145 and estimated planetary A-index 5.
The estimated planetary K-index at 0300 UTC on 26 July was 1.67.

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 Jul 26	1	1	1	2	2	1	1	1
2026 Jul 27	2	2	4	5	4	4	3	2
2026 Jul 28	3	3	2	5	5	2	3	2

Probability of Geomagnetic conditions at high latitudes

	Active	Minor_Storm	Major-Severe_Storm
2026 Jul 26	15	20	10
2026 Jul 27	10	30	55
2026 Jul 28	15	30	40

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 Jul 26	2	2	2	1	2	1	1	2
2026 Jul 27	3	3	3	3	3	3	3	3
2026 Jul 28	3	3	2	3	3	2	3	3

Probability of Geomagnetic conditions at mid latitudes

	Active	Minor_Storm	Major-Severe_Storm
2026 Jul 26	10	1	1
2026 Jul 27	40	20	5
2026 Jul 28	30	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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