Administrators NorthGeorgiaWX Posted December 15, 2023 Administrators Share Posted December 15, 2023 SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1020 AM CST Fri Dec 15 2023 Valid 151630Z - 161200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not forecast across the United States through tonight. ...Discussion... A central U.S. upper trough -- flanked by ridging over both eastern and western portions of the country -- will shift slowly eastward today and tonight. In response, very weak surface cyclogenesis will occur, with a low expected to reside over the southern Iowa/northwestern Missouri area early Saturday morning. Ahead of this low, and the associated/trailing weak surface trough/front, very little in the way of moisture return is expected, given the northeasterly/northerly cyclonic flow over the northern and western Gulf of Mexico. As such, an overall lack of buoyancy with this system suggests only occasional/sporadic lightning through tonight -- primarily across the eastern Texas/western Louisiana/Arklatex area. A few flashes may also occur across southern Florida and the Keys later in the period, within easterly low-level flow east of the weak southern Gulf surface low. Elsewhere, thunderstorms are not expected. ..Goss/Thornton.. 12/15/2023 Read more View the full article Quote Link to comment Share on other sites More sharing options...
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