Solar storm ALERT as technology could be impacted – what to expect

Solar storm ALERT as technology could be impacted - what to expect


Today's warning includes:

Power Systems

– Power grid fluctuations; voltage alarms at higher latitudes

Spacecraft

– Orientation irregularities; increased drag on low-Earth orbiters

Radio

– High-latitude HF propagation fades

Other

– Aurora may be visible as low as New York to Wisconsin to Washington state

The SWPC wrote: “

The CME associated with the October, 9 2021, M1 flare arrived as anticipated early on the October 12 UTC-day.

“The CME shock front arrived at the DSCOVR spacecraft (one million miles from Earth) at 12/0147 UTC (Oct 11/ 9:47 pm EDT) as solar wind speed increased by nearly 100 km/s and total interplanetary magnetic field (IMF) strength quickly elevated to over 15 nT.

“Geomagnetic activity increased as expected with the CME arrival and G1-G2 (Minor-Moderate) storm conditions were met.

“The CME progression remains fluid at this time and a G2 Watch is still in effect for the remainder of October 12 and a G1 Warning continues until 12/2200 UTC (6:00 pm EDT).”



Written by David Minister

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