

440 

WWUS20 KWNS 092331

SEL9

SPC WW 092331

ARZ000-MOZ000-MSZ000-TNZ000-100600-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 49

NWS STORM PREDICTION CENTER NORMAN OK

635 PM CDT THU APR 9 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  EASTERN ARKANSAS

  MISSOURI BOOTHEEL

  NORTHERN MISSISSIPPI

  WEST TENNESSEE



* EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 635 PM

  UNTIL 100 AM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2

    INCHES IN DIAMETER POSSIBLE

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  A TORNADO OR TWO POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90

STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH OF

DYERSBURG TENNESSEE TO 20 MILES SOUTHWEST OF GREENWOOD

MISSISSIPPI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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 39...WW 40...WW 41...WW

42...WW 43...WW 44...WW 45...WW 46...WW 47...WW 48...



DISCUSSION...SCATTERED SEVERE THUNDERSTORMS OVER AR WILL SPREAD

EASTWARD INTO PARTS OF TN/MS DURING THE EVENING.  MODERATE

INSTABILITY AND FAVORABLE DEEP LAYER SHEAR VALUES WILL PROMOTE

ROTATING STORMS CAPABLE OF LARGE HAIL AND DAMAGING WINDS.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 25030.





...HART



160 

WWUS20 KWNS 092331

SEL9

SPC WW 092331

ARZ000-MOZ000-MSZ000-TNZ000-100600-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 49

NWS STORM PREDICTION CENTER NORMAN OK

635 PM CDT THU APR 9 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  EASTERN ARKANSAS

  MISSOURI BOOTHEEL

  NORTHERN MISSISSIPPI

  WEST TENNESSEE



* EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 635 PM

  UNTIL 100 AM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2

    INCHES IN DIAMETER POSSIBLE

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  A TORNADO OR TWO POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90

STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH OF

DYERSBURG TENNESSEE TO 20 MILES SOUTHWEST OF GREENWOOD

MISSISSIPPI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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 39...WW 40...WW 41...WW

42...WW 43...WW 44...WW 45...WW 46...WW 47...WW 48...



DISCUSSION...SCATTERED SEVERE THUNDERSTORMS OVER AR WILL SPREAD

EASTWARD INTO PARTS OF TN/MS DURING THE EVENING.  MODERATE

INSTABILITY AND FAVORABLE DEEP LAYER SHEAR VALUES WILL PROMOTE

ROTATING STORMS CAPABLE OF LARGE HAIL AND DAMAGING WINDS.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 25030.





...HART

