SPC 1630Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1025 AM CST Fri Jan 15 2021 Valid 151630Z - 161200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... A few brief thunderstorms are possible over the middle Ohio Valley to Cumberland Plateau this afternoon. ...Lower/Middle Ohio Valley to Cumberland Plateau... Cold mid-level temperatures (low to mid -30s C at 500mb) associated with the Midwest-centered cyclone will overspread the region through tonight. Relatively cloud-free skies over the Lower/Middle Ohio Valley and Cumberland Plateau will contribute to a further steepening of low/mid-level lapse rates this afternoon. Even while mixing/low-level drying will tend to occur, a warming boundary layer with scant moisture/buoyancy may be sufficient for a few low-topped thunderstorms this afternoon. ..Guyer.. 01/15/2021
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