Current conditions

:Product: Geophysical Alert Message wwv.txt
:Issued: 2018 Jun 18 1210 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
#          Geophysical Alert Message
#
Solar-terrestrial indices for 17 June follow.
Solar flux 71 and estimated planetary A-index 5.
The estimated planetary K-index at 1200 UTC on 18 June was 4.

Space weather for the past 24 hours has been minor.
Geomagnetic storms reaching the G1 level occurred.

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
2018 Jun 18 2 2 2 3 3 2 1 2
2018 Jun 19 2 2 3 3 3 2 2 1
2018 Jun 20 1 1 1 2 2 1 1 1

Probability of Geomagnetic conditions at high latitudes

  Active Minor_Storm Major-Severe_Storm
2018 Jun 18 20 30 25
2018 Jun 19 20 30 25
2018 Jun 20 15 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
2018 Jun 18 2 3 2 2 2 1 2 2
2018 Jun 19 2 3 2 2 2 2 2 2
2018 Jun 20 2 1 2 1 2 1 2 2

Probability of Geomagnetic conditions at mid latitudes

  Active Minor_Storm Major-Severe_Storm
2018 Jun 18 20 5 1
2018 Jun 19 20 5 1
2018 Jun 20 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)

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