Today is the second Sunday in May, so please join me at 2000Z for the FEMA Region V Auxcomm voice net.? HF conditions are likely to be either poor or blacked out, but we’ll give it a shot.

Space Weather Message Code: WATA99

Serial Number: 7

Issue Time: 2024 May 11 1753 UTC

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WATCH: Geomagnetic Storm Category G4 or Greater Predicted

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Highest Storm Level Predicted by Day:

May 12:? G5 (Extreme)?? May 13:? G3 (Strong)?? May 14:? G1 (Minor)

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THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT

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NOAA Space Weather Scale descriptions can be found at

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Potential Impacts: Area of impact primarily poleward of 45 degrees Geomagnetic Latitude.

Induced Currents - Possible widespread voltage control problems and some protective systems may mistakenly trip out key assets from the power grid. Induced pipeline currents intensify.

Spacecraft - Systems may experience surface charging; increased drag on low earth orbit satellites, and tracking and orientation problems may occur.

Navigation - Satellite navigation (GPS) degraded or inoperable for hours.

Radio - HF (high frequency) radio propagation sporadic or blacked out.

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Eastern Central

? 1600?? 1500???? USB????????????60 meters channel 4 (If busy channels 5, 1, 2, 3)

? 1615?? 1515???? LSB?????????????7.280 +/-

? 1630?? 1530???? D-STAR ? ? ?REF024A

? 1645???1545???? DMR ? ? ? ? ? R5AUXCOMM (31673)

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73!

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--

Marc Breckenridge, ND8W

FEMA Region V Net Manager

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