Current conditions

:Product: Geophysical Alert Message wwv.txt
:Issued: 2017 Nov 18 0005 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
#          Geophysical Alert Message
#
Solar-terrestrial indices for 17 November follow.
Solar flux 76 and estimated planetary A-index 6.
The estimated planetary K-index at 0000 UTC on 18 November 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 Nov 18 2 2 2 2 1 2 2 2
2017 Nov 19 2 3 4 5 4 4 2 3
2017 Nov 20 3 3 4 5 4 4 2 3

Probability of Geomagnetic conditions at high latitudes

  Active Minor_Storm Major-Severe_Storm
2017 Nov 18 20 20 15
2017 Nov 19 20 30 35
2017 Nov 20 15 30 40

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 Nov 18 3 2 2 1 1 2 2 3
2017 Nov 19 3 3 3 3 3 2 2 3
2017 Nov 20 3 3 3 3 3 2 2 3

Probability of Geomagnetic conditions at mid latitudes

  Active Minor_Storm Major-Severe_Storm
2017 Nov 18 20 5 1
2017 Nov 19 40 15 1
2017 Nov 20 40 20 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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