

590 

WWUS20 KWNS 132322

SEL1

SPC WW 132322

NCZ000-140500-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 301

NWS STORM PREDICTION CENTER NORMAN OK

725 PM EDT FRI MAY 13 2011



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       EASTERN NORTH CAROLINA



EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 725 PM

UNTIL 100 AM EDT.



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 45

STATUTE MILES EITHER SIDE OF A LINE FROM 25 MILES NORTHEAST OF

ROCKY MOUNT NORTH CAROLINA TO 35 MILES SOUTHWEST OF FAYETTEVILLE

NORTH CAROLINA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).



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.



OTHER WATCH INFORMATION...CONTINUE...WW 298...WW 299...WW 300...



DISCUSSION...STRONG/SVR TSTMS EXPECTED TO MOVE/DEVELOP GENERALLY SE

ALONG INSTABILITY AXIS ALONG AND S OF WEAK FRONT IN NE PART OF

STATE.  MODEST WNWLY DEEP SHEAR AND MODEST BUT VERY MOIST LOW LVL

INFLOW SUGGEST POTENTIAL FOR LOCALLY DMGG WIND AND SVR HAIL FROM

SUSTAINED STORMS/MARGINAL HP SUPERCELLS.



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 550. MEAN STORM

MOTION VECTOR 32020.





...CORFIDI

