Current conditions

:Product: Geophysical Alert Message wwv.txt
:Issued: 2017 Jul 28 0905 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
#
#          Geophysical Alert Message
#
Solar-terrestrial indices for 27 July follow.
Solar flux 68 and estimated planetary A-index 6.
The estimated planetary K-index at 0900 UTC on 28 July was 1.

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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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 28	2	2	2	3	2	1	1	1
2017 Jul 29	1	1	1	2	1	1	1	1
2017 Jul 30	1	1	1	2	2	1	1	1

Probability of Geomagnetic conditions at high latitudes

	Active	Minor_Storm	Major-Severe_Storm
2017 Jul 28	15	20	20
2017 Jul 29	15	20	10
2017 Jul 30	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
2017 Jul 28	2	2	2	2	2	1	2	2
2017 Jul 29	2	2	2	1	1	1	1	2
2017 Jul 30	2	1	2	1	2	1	2	2

Probability of Geomagnetic conditions at mid latitudes

	Active	Minor_Storm	Major-Severe_Storm
2017 Jul 28	15	5	1
2017 Jul 29	10	1	1
2017 Jul 30	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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