The SPC has issued a severe thunderstorm watch for…
Northern Louisiana
Central Mississippi
It goes until 8 p.m. CDT.
Activity is expected to intensify along and north of the frontal boundary through northern Louisiana and into central Mississippi. I think we will deal will this activity later tonight into Central Alabama.
WWUS20 KWNS 101827
SEL6
SPC WW 101827
LAZ000-MSZ000-110100-
URGENT – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 286
NWS STORM PREDICTION CENTER NORMAN OK
130 PM CDT SUN MAY 10 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHERN LOUISIANA
CENTRAL MISSISSIPPI
EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 130 PM UNTIL 800 PM CDT.
HAIL TO 1.5 INCHES IN DIAMETER…THUNDERSTORM WIND GUSTS TO 70 MPH…AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 40 MILES NORTH NORTHWEST OF NATCHITOCHES LOUISIANA TO 30 MILES NORTHEAST OF MERIDIAN MISSISSIPPI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).
REMEMBER…A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES.
DISCUSSION…STORMS ARE EXPECTED TO INCREASE IN COVERAGE AND INTENSITY THIS AFTERNOON ALONG AND NORTH OF AN E-W ORIENTED FRONTAL BOUNDARY FROM NRN LA THROUGH CNTRL MS. BULK SHEAR OF 25-30 KT WILL SUPPORT MULTICELL STORMS WITH ISOLATED DAMAGING WIND AND LARGE HAIL THE PRIMARY THREATS.
AVIATION…A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 27520.
…DIAL/Hales
