Space Weather Message Code: WATA50
Serial Number: 70
Issue Time: 2023 Feb 26 1636 UTC
 
WATCH: Geomagnetic Storm Category G3 Predicted
 
Highest Storm Level Predicted by Day:
Feb 27:  G3 (Strong) Feb 28:  G2 (Moderate) Mar 01:  None (Below G1)
 
THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT
 
Comment: Combined impacts from the current negative-polarity CH HSS, the anticipated arrival of the 24 Feb CME, and the addition of the
25 Feb CME warrant an increased Geomagnetic Watch readiness to the G3 level.
 
NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation
 
Potential Impacts: Area of impact primarily poleward of 50 degrees Geomagnetic Latitude.
 
Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
 
Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
 
Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
Radio - HF (high frequency) radio may be intermittent.
Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.

National Weather Service Wilmington OH
407 AM EST Wed Feb 15 2023
 
KYZ099-100-OHZ063>065-073-074-079>082-088-160915-
Mason-Lewis-Fayette OH-Pickaway-Fairfield-Ross-Hocking-Brown-
Highland-Adams-Pike-Scioto-
407 AM EST Wed Feb 15 2023
 
This Hazardous Weather Outlook is for Northeast Kentucky, Northern Kentucky, Central Ohio, South Central Ohio and Southwest Ohio.
 
DAY ONE...Today and tonight.
 
Wind gusts of 35 to 40 mph are possible today.
 
DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
 
Strong to severe thunderstorms will be possible Thursday afternoon and evening, with damaging winds the main threat. Isolated tornadoes cannot be ruled out.
 
SPOTTER INFORMATION STATEMENT...
 
Spotter activation may be needed on Thursday.

The ARRL and the IARU have issued this bulletin-
 
The designated primary disaster communication frequency is 28.540 MHz (USB). In addition, 3.777 and 7.092 MHz will also be used as needed.  Amateur radio operators have been asked to avoid these frequencies to allow any emergency traffic.