Current conditions

:Product: Geophysical Alert Message wwv.txt
:Issued: 2017 Jul 23 1805 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
#          Geophysical Alert Message
#
Solar-terrestrial indices for 22 July follow.
Solar flux 70 and estimated planetary A-index 16.
The estimated planetary K-index at 1800 UTC on 23 July was 2.

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

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

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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 Jul 23	3	3	4	4	3	2	2	2
2017 Jul 24	2	2	2	3	2	1	1	1
2017 Jul 25	1	1	1	2	2	1	1	1

Probability of Geomagnetic conditions at high latitudes

	Active	Minor_Storm	Major-Severe_Storm
2017 Jul 23	15	25	40
2017 Jul 24	15	25	15
2017 Jul 25	15	20	15

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 Jul 23	3	3	3	2	2	2	2	2
2017 Jul 24	3	3	2	2	2	1	2	2
2017 Jul 25	2	1	2	1	2	1	2	2

Probability of Geomagnetic conditions at mid latitudes

	Active	Minor_Storm	Major-Severe_Storm
2017 Jul 23	25	10	1
2017 Jul 24	10	1	1
2017 Jul 25	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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