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 Sep 29 2 2 2 3 3 2 2 1
2022 Sep 30 2 2 2 5 5 4 4 3
2022 Oct 1 4 5 6 6 6 6 5 4

Probability of Geomagnetic conditions at high latitudes

  Active Minor_Storm Major-Severe_Storm
2022 Sep 29 15 20 15
2022 Sep 30 15 30 45
2022 Oct 1 5 20 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 Sep 29 2 2 2 2 2 2 2 2
2022 Sep 30 2 2 2 3 3 3 3 4
2022 Oct 1 5 5 5 4 4 4 4 5

Probability of Geomagnetic conditions at mid latitudes

  Active Minor_Storm Major-Severe_Storm
2022 Sep 29 15 5 1
2022 Sep 30 40 25 5
2022 Oct 1 30 50 20

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

(c) F5LEN - 2004 - 2022