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
2022 Aug 17 1 1 3 5 5 6 4 4
2022 Aug 18 4 6 6 6 6 5 3 3
2022 Aug 19 4 4 5 5 6 5 3 2

Probability of Geomagnetic conditions at high latitudes

  Active Minor_Storm Major-Severe_Storm
2022 Aug 17 10 15 50
2022 Aug 18 1 5 90
2022 Aug 19 5 15 75

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
2022 Aug 17 2 2 3 3 3 4 4 4
2022 Aug 18 5 6 5 5 4 3 3 4
2022 Aug 19 5 4 4 3 3 3 3 3

Probability of Geomagnetic conditions at mid latitudes

  Active Minor_Storm Major-Severe_Storm
2022 Aug 17 25 25 5
2022 Aug 18 15 35 50
2022 Aug 19 25 35 25

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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