Current conditions

:Product: Geophysical Alert Message wwv.txt
:Issued: 2026 Jan 16 1805 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
#          Geophysical Alert Message
#
Solar-terrestrial indices for 15 January follow.
Solar flux 139 and estimated planetary A-index 12.
The estimated planetary K-index at 1800 UTC on 16 January was 5.00.

Space weather for the past 24 hours has been minor.
Geomagnetic storms reaching the G1 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
2026 Jan 16	2	3	4	4	3	2	2	2
2026 Jan 17	2	4	6	6	5	3	2	3
2026 Jan 18	3	3	4	5	5	4	4	2

Probability of Geomagnetic conditions at high latitudes

	Active	Minor_Storm	Major-Severe_Storm
2026 Jan 16	15	25	35
2026 Jan 17	5	20	75
2026 Jan 18	10	25	70

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 Jan 16	3	3	3	2	2	2	2	3
2026 Jan 17	2	4	5	4	3	2	2	3
2026 Jan 18	3	3	3	3	3	3	4	3

Probability of Geomagnetic conditions at mid latitudes

	Active	Minor_Storm	Major-Severe_Storm
2026 Jan 16	25	10	1
2026 Jan 17	40	30	10
2026 Jan 18	45	25	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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