Current conditions

:Product: Geophysical Alert Message wwv.txt
:Issued: 2025 May 24 0905 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
#          Geophysical Alert Message
#
Solar-terrestrial indices for 23 May follow.
Solar flux 122 and estimated planetary A-index 7.
The estimated planetary K-index at 0900 UTC on 24 May 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
2025 May 24	2	2	4	5	4	3	1	1
2025 May 25	1	2	4	5	4	3	2	1
2025 May 26	1	2	4	5	4	3	2	1

Probability of Geomagnetic conditions at high latitudes

	Active	Minor_Storm	Major-Severe_Storm
2025 May 24	15	25	40
2025 May 25	15	25	40
2025 May 26	15	25	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
2025 May 24	2	3	3	3	3	2	2	2
2025 May 25	2	2	3	3	3	2	2	2
2025 May 26	2	2	3	3	3	2	2	2

Probability of Geomagnetic conditions at mid latitudes

	Active	Minor_Storm	Major-Severe_Storm
2025 May 24	30	10	1
2025 May 25	30	10	1
2025 May 26	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)

Sun tools

Greyline calculator

Sunrise Sunset calendar