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WWV Geophysical Alert Message - NOAA Space Weather Prediction Center


Issued: 2017 May 26 0605 UTC

Solar-terrestrial indices for 25 May follow.
Solar flux 76 and estimated planetary A-index 4.
The estimated planetary K-index at 0600 UTC on 26 May was 1.

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

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

NOAA updates this message every 3 hours; more often for alerts. If it appears incomplete or outdated, click here for alternate version.

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Additional info at The SWPC Radio Dashboard from NOAA.
Detailed explanation of the R, S, and G Scales used by NOAA in their predictions.

Grayline and MUF World Map Updates every 5 minutes; also shows x-ray absorption contours when applicable.

Lightning Tracker Recent electrical storm info from Vaisala.

The Solar Terrestrial Activity Report from Jan Alvestad; valuable propagation resource with solar flux, sunspot number, planetary A index, CMEs and coronal holes.

SpaceWeather.com tracks daily events on the Sun, the solar wind, meteor rates, NASA forecasts, and other astronomical phenomena.

 

 

 

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