Current conditions

:Product: Geophysical Alert Message wwv.txt
:Issued: 2024 May 20 0905 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
#          Geophysical Alert Message
#
Solar-terrestrial indices for 19 May follow.
Solar flux 201 and estimated planetary A-index 9.
The estimated planetary K-index at 0900 UTC on 20 May was 2.33.

Space weather for the past 24 hours has been minor.
Radio blackouts reaching the R1 level occurred.

Space weather for the next 24 hours is predicted to be minor.
Geomagnetic storms reaching the G1 level are likely.
Radio blackouts reaching the R1 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
2024 May 20 3 3 3 4 6 6 3 3
2024 May 21 3 3 4 4 4 3 2 2
2024 May 22 1 1 1 2 2 1 1 1

Probability of Geomagnetic conditions at high latitudes

  Active Minor_Storm Major-Severe_Storm
2024 May 20 5 20 65
2024 May 21 15 25 40
2024 May 22 15 20 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
2024 May 20 3 3 2 2 4 4 3 3
2024 May 21 4 3 3 3 3 2 2 2
2024 May 22 2 1 2 1 2 1 2 2

Probability of Geomagnetic conditions at mid latitudes

  Active Minor_Storm Major-Severe_Storm
2024 May 20 40 25 5
2024 May 21 30 10 1
2024 May 22 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.
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