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WWV Geophysical Alert Message - NOAA Space Weather Prediction Center


Issued: 2016 May 02 0305 UTC

Solar-terrestrial indices for 01 May follow.
Solar flux 92 and estimated planetary A-index 16.
The estimated planetary K-index at 0300 UTC on 02 May was 5.

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

Space weather for the next 24 hours is predicted to be moderate.
Geomagnetic storms reaching the G2 level are expected.

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 If it appears incomplete or outdated, click here for alternate version.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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