Current conditions

:Product: Geophysical Alert Message wwv.txt
:Issued: 2026 Mar 10 2105 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
#          Geophysical Alert Message
#
Solar-terrestrial indices for 10 March follow.
Solar flux 127 and estimated planetary A-index 15.
The estimated planetary K-index at 2100 UTC on 10 March was 3.00.

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 Mar 10	2	2	3	3	1	1	1	1
2026 Mar 11	1	1	1	2	2	1	1	1
2026 Mar 12	1	1	1	2	2	2	1	1

Probability of Geomagnetic conditions at high latitudes

	Active	Minor_Storm	Major-Severe_Storm
2026 Mar 10	15	25	25
2026 Mar 11	15	20	10
2026 Mar 12	15	20	10

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 Mar 10	2	3	2	2	1	1	2	2
2026 Mar 11	2	1	2	1	2	1	2	2
2026 Mar 12	2	1	2	1	2	1	1	2

Probability of Geomagnetic conditions at mid latitudes

	Active	Minor_Storm	Major-Severe_Storm
2026 Mar 10	15	5	1
2026 Mar 11	10	1	1
2026 Mar 12	10	1	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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