Current conditions

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
2021 Jul 31 2 2 2 3 3 3 2 2
2021 Aug 1 3 2 3 3 3 3 2 1
2021 Aug 2 2 2 3 3 3 2 2 1

Probability of Geomagnetic conditions at high latitudes

  Active Minor_Storm Major-Severe_Storm
2021 Jul 31 15 30 40
2021 Aug 1 15 30 40
2021 Aug 2 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
2021 Jul 31 2 3 2 2 2 2 2 2
2021 Aug 1 3 3 3 2 2 2 2 2
2021 Aug 2 2 2 2 2 2 2 2 2

Probability of Geomagnetic conditions at mid latitudes

  Active Minor_Storm Major-Severe_Storm
2021 Jul 31 25 10 1
2021 Aug 1 30 10 1
2021 Aug 2 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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