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
2020 Dec 3	1	1	1	2	2	2	1	1
2020 Dec 4	1	1	1	2	2	1	1	1
2020 Dec 5	1	1	1	2	2	1	1	1

Probability of Geomagnetic conditions at high latitudes

	Active	Minor_Storm	Major-Severe_Storm
2020 Dec 3	20	20	10
2020 Dec 4	20	20	10
2020 Dec 5	20	20	10

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
2020 Dec 3	2	1	2	1	2	1	2	1
2020 Dec 4	2	1	2	1	2	1	2	2
2020 Dec 5	2	1	2	1	2	1	2	2

Probability of Geomagnetic conditions at mid latitudes

	Active	Minor_Storm	Major-Severe_Storm
2020 Dec 3	10	1	1
2020 Dec 4	10	1	1
2020 Dec 5	10	1	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