2:20 PM Update – Severe Thunderstorm Watch for Sumter/Marengo Counties until 9 PM
September 24, 2013 Leave a comment
The SPC has just issued a severe thunderstorm watch, effective until 9 PM this evening, for Sumter and Marengo Counties of southwest central Alabama. Here’s the watch outline:
SPC Discussion:
DISCUSSION…SW-NE SQLN IN S CNTRL/SE MS EXPECTED TO CONTINUE MAINLY EWD. STORM DEVELOPMENT WILL BE SUPPORTED BY UPLIFT ALONG EXISTING COLD POOL …WHERE CONVERGENCE WILL BE MAXIMIZED BETWEEN DOWNWARD-TRANSPORTED 30-35 KT WLY POST-SQLN FLOW AND SE LOW-LVL WINDS AHEAD OF THE LINE. VERY MOIST LOW-LVL ENVIRONMENT…CONTINUED SFC HEATING AHEAD OF THE LINE…AND CONFLUENCE ALONG DIFFUSE WARM FRONT TO ITS EAST SUGGEST POTENTIAL FOR EMBEDDED LOW AMPLITUDE BOWS/LEWPS WITH LOCALLY DMGG WIND AND POSSIBLY A TORNADO.
Isaac Williams
WVUA-TV Weather
Twitter: @WVUA_Isaac