Eta storm relative flow 09 UTC

Eta 3-hour forecast 500 mb storm relative flow valid 09 UTC 11/25.

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Mid-level (500 mb) storm relative flow from the Eta model valid at 09 UTC indicated a 20 to 30 kt south to southeasterly flow. This would be parallel or slightly front-to-rear for a north-south squall line (rear to front flow favors tornadic supercells, from front to rear flow favors derechos).

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