Current conditions

:Product: Geophysical Alert Message wwv.txt
:Issued: 2025 Oct 29 0305 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
#          Geophysical Alert Message
#
Solar-terrestrial indices for 28 October follow.
Solar flux 122 and estimated planetary A-index 19.
The estimated planetary K-index at 0300 UTC on 29 October was 3.00.

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

Space weather for the next 24 hours is predicted to be minor.
Geomagnetic storms reaching the G1 level are likely.

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 Oct 28	3	4	5	6	6	6	4	3
2025 Oct 29	3	5	5	5	4	5	4	3
2025 Oct 30	4	4	5	5	5	5	3	2

Probability of Geomagnetic conditions at high latitudes

	Active	Minor_Storm	Major-Severe_Storm
2025 Oct 28	5	20	75
2025 Oct 29	5	25	70
2025 Oct 30	10	25	60

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 Oct 28	4	4	4	3	4	4	3	4
2025 Oct 29	4	4	4	3	3	3	4	3
2025 Oct 30	4	4	4	3	3	3	3	3

Probability of Geomagnetic conditions at mid latitudes

	Active	Minor_Storm	Major-Severe_Storm
2025 Oct 28	35	35	15
2025 Oct 29	40	30	15
2025 Oct 30	40	20	5

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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