Current conditions

:Product: Geophysical Alert Message wwv.txt
:Issued: 2017 Feb 23 0905 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
#          Geophysical Alert Message
#
Solar-terrestrial indices for 22 February follow.
Solar flux 83 and estimated planetary A-index 10.
The estimated planetary K-index at 0900 UTC on 23 February was 2.

No space weather storms were observed for the past 24 hours.

Space weather for the next 24 hours is predicted to be minor.
Geomagnetic storms reaching the G1 level are likely.

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
2017 Feb 23 3 4 4 5 3 3 2 2
2017 Feb 24 3 2 3 4 3 3 2 2
2017 Feb 25 2 2 2 3 3 2 2 2

Probability of Geomagnetic conditions at high latitudes

  Active Minor_Storm Major-Severe_Storm
2017 Feb 23 10 20 60
2017 Feb 24 15 25 40
2017 Feb 25 15 25 30

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
2017 Feb 23 3 4 3 3 2 2 2 3
2017 Feb 24 3 3 3 2 2 2 2 2
2017 Feb 25 2 2 2 2 2 2 2 2

Probability of Geomagnetic conditions at mid latitudes

  Active Minor_Storm Major-Severe_Storm
2017 Feb 23 35 25 5
2017 Feb 24 30 10 1
2017 Feb 25 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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