Current conditions

:Product: Geophysical Alert Message wwv.txt
:Issued: 2017 Apr 30 1805 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
#          Geophysical Alert Message
#
Solar-terrestrial indices for 29 April follow.
Solar flux 77 and estimated planetary A-index 6.
The estimated planetary K-index at 1800 UTC on 30 April was 1.

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

No space weather storms are predicted for the next 24 hours.

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 Apr 30 1 1 2 2 2 2 2 2
2017 May 1 2 3 5 4 1 1 2 2
2017 May 2 2 2 3 3 2 1 2 1

Probability of Geomagnetic conditions at high latitudes

  Active Minor_Storm Major-Severe_Storm
2017 Apr 30 15 20 20
2017 May 1 15 30 30
2017 May 2 15 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
2017 Apr 30 2 2 2 1 2 2 2 3
2017 May 1 3 3 4 2 1 1 2 2
2017 May 2 2 3 2 2 2 1 2 2

Probability of Geomagnetic conditions at mid latitudes

  Active Minor_Storm Major-Severe_Storm
2017 Apr 30 10 5 1
2017 May 1 25 5 1
2017 May 2 15 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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