Current conditions

:Product: Geophysical Alert Message wwv.txt
:Issued: 2025 May 12 0605 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
#          Geophysical Alert Message
#
Solar-terrestrial indices for 11 May follow.
Solar flux 126 and estimated planetary A-index 16.
The estimated planetary K-index at 0600 UTC on 12 May was 2.00.

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

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
2025 May 12	3	4	4	5	4	5	2	2
2025 May 13	2	3	3	4	3	2	2	2
2025 May 14	2	2	3	4	4	3	2	1

Probability of Geomagnetic conditions at high latitudes

	Active	Minor_Storm	Major-Severe_Storm
2025 May 12	10	25	60
2025 May 13	10	30	50
2025 May 14	15	30	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 May 12	4	4	3	3	2	3	2	2
2025 May 13	2	3	3	3	2	1	2	2
2025 May 14	2	3	2	2	2	2	2	2

Probability of Geomagnetic conditions at mid latitudes

	Active	Minor_Storm	Major-Severe_Storm
2025 May 12	40	25	5
2025 May 13	40	15	1
2025 May 14	20	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)

Sun tools

Greyline calculator

Sunrise Sunset calendar