Current conditions

:Product: Geophysical Alert Message wwv.txt
:Issued: 2025 Jul 13 0905 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
#          Geophysical Alert Message
#
Solar-terrestrial indices for 12 July follow.
Solar flux 139 and estimated planetary A-index 12.
The estimated planetary K-index at 0900 UTC on 13 July was 3.67.

Space weather for the past 24 hours has been minor.
Geomagnetic storms reaching the G1 level occurred.
Radio blackouts reaching the R1 level occurred.

Space weather for the next 24 hours is predicted to be minor.
Geomagnetic storms reaching the G1 level are expected.
Radio blackouts reaching the R1 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 Jul 13	2	3	5	5	4	2	1	2
2025 Jul 14	1	2	4	4	3	2	2	2
2025 Jul 15	2	2	3	3	4	1	1	1

Probability of Geomagnetic conditions at high latitudes

	Active	Minor_Storm	Major-Severe_Storm
2025 Jul 13	10	25	50
2025 Jul 14	15	25	40
2025 Jul 15	15	25	25

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 Jul 13	2	3	4	3	2	2	2	2
2025 Jul 14	2	3	3	3	2	1	2	2
2025 Jul 15	2	3	3	2	2	1	1	2

Probability of Geomagnetic conditions at mid latitudes

	Active	Minor_Storm	Major-Severe_Storm
2025 Jul 13	35	20	5
2025 Jul 14	30	10	1
2025 Jul 15	15	5	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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