Current conditions

:Product: Geophysical Alert Message wwv.txt
:Issued: 2026 Jun 16 1205 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
#          Geophysical Alert Message
#
Solar-terrestrial indices for 15 June follow.
Solar flux 117 and estimated planetary A-index 6.
The estimated planetary K-index at 1200 UTC on 16 June was 1.33.

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
2026 Jun 16	2	3	4	4	3	2	1	1
2026 Jun 17	2	2	2	3	2	3	3	2
2026 Jun 18	3	2	3	3	3	1	1	2

Probability of Geomagnetic conditions at high latitudes

	Active	Minor_Storm	Major-Severe_Storm
2026 Jun 16	15	25	40
2026 Jun 17	15	25	40
2026 Jun 18	15	25	30

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 Jun 16	2	3	3	3	2	1	2	2
2026 Jun 17	3	2	2	2	2	2	3	3
2026 Jun 18	3	3	2	2	2	1	1	2

Probability of Geomagnetic conditions at mid latitudes

	Active	Minor_Storm	Major-Severe_Storm
2026 Jun 16	30	15	1
2026 Jun 17	30	15	1
2026 Jun 18	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)

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