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
2019 Apr 26 1 2 4 5 4 2 2 1
2019 Apr 27 1 1 1 2 2 1 1 1
2019 Apr 28 1 2 4 5 4 2 2 2

Probability of Geomagnetic conditions at high latitudes

  Active Minor_Storm Major-Severe_Storm
2019 Apr 26 20 25 20
2019 Apr 27 15 15 15
2019 Apr 28 20 25 20

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
2019 Apr 26 2 3 3 3 2 2 2 2
2019 Apr 27 2 2 2 1 2 1 2 1
2019 Apr 28 2 2 3 3 2 1 2 2

Probability of Geomagnetic conditions at mid latitudes

  Active Minor_Storm Major-Severe_Storm
2019 Apr 26 20 5 1
2019 Apr 27 10 1 1
2019 Apr 28 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)

Sun tools

Greyline calculator

Sunrise Sunset calendar

(c) F5LEN - 2004 - 2019