( #NWSSWPC): An S4 severe solar radiation storm is now in progress - this is the LARGEST solar radiation storm in OVER 20 YEARS.
The last time S4 levels were observed was in October 2003. Potential effects are mainly limited to space launch, aviation, and satellite operations.
#USwx #wx #wxsky
( #NWSSWPC): Here is another video update from us here at #SWPC as the FINAL CME has arrived. Hopefully these help, please let us know if you find them useful and we'll see what we can do for future events. Stay space weather aware at www.spaceweather.gov
#NorthernLights #Aurora #USwx #wx #wxsky
( #NWSSWPC): G4 Levels REACHED! Conditions met on 12 Nov at 0120 UTC. We anticipate continuing geomagnetic storm levels through the night to continue as long as conditions remain favorable (magnetic field of CME opposite Earth's). Stay aware at www.spaceweather.gov
#USwx #wx #wxsky
( #NWSSWPC): G4 (Severe) WATCH now posted for 12 Nov. The recent, fast CME is anticipated to arrive about midday on 12 Nov and G4 potential exists. Please see our latest model run at www.swpc.noaa.gov/products/wsa... and STAY AWARE at www.spaceweather.gov
#USwx #wx #wxsky
( #NWSSWPC): G3 met overnight due to nearby CME and CH HSS influences. We still anticipate the arrival of the 5 Nov CME tonight, 6 Nov, and the G3 Watch is still in effect through 7 Nov #USwx #wx #wxsky
To keep infrastructure operators ready for these events, #NWSSWPC provides real-time predictions and decision support directly to grid operators across most of North America. Learn more at swpc.noaa.gov/impacts #SpaceWeather #NOAA #Tech x.com/NWS/status/1... 2/2
