

335 

WWUS20 KWNS 010243

SEL4

SPC WW 010243

OKZ000-TXZ000-010700-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 14

NWS STORM PREDICTION CENTER NORMAN OK

940 PM CDT TUE MAR 31 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  SOUTHWESTERN...CENTRAL AND EASTERN OKLAHOMA

  SMALL PART OF NORTHWEST TEXAS NEAR THE RED RIVER



* EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 940 PM

  UNTIL 200 AM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5

    INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 45 MILES SOUTH OF

CLINTON OKLAHOMA TO 20 MILES NORTH OF POTEAU OKLAHOMA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU4).



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...THIS SEVERE THUNDERSTORM WATCH REPLACES

SEVERE THUNDERSTORM WATCH NUMBER 11. WATCH NUMBER 11 WILL NOT BE

IN EFFECT AFTER 940 PM CDT. CONTINUE...WW 9...WW 13...



DISCUSSION...SVR POTENTIAL FCST TO PERSIST FOR AT LEAST A FEW MORE

HOURS THROUGH LATE EVENING AS MLCINH SLOWLY INCREASES...BUT

SUFFICIENT MOISTURE AND STORM-RELATIVE INFLOW EXISTS JUST ABOVE SFC

TO SUPPORT LARGE HAIL/ISOLATED DAMAGING-GUST RISK.  REF SPC

MESOSCALE DISCUSSION 172 FOR INITIAL/NEAR-TERM METEOROLOGICAL

GUIDANCE.



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

TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM

MOTION VECTOR 27025.





...EDWARDS



749 

WWUS20 KWNS 010243

SEL4

SPC WW 010243

OKZ000-TXZ000-010700-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 14

NWS STORM PREDICTION CENTER NORMAN OK

940 PM CDT TUE MAR 31 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  SOUTHWESTERN...CENTRAL AND EASTERN OKLAHOMA

  SMALL PART OF NORTHWEST TEXAS NEAR THE RED RIVER



* EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 940 PM

  UNTIL 200 AM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5

    INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 45 MILES SOUTH OF

CLINTON OKLAHOMA TO 20 MILES NORTH OF POTEAU OKLAHOMA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU4).



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...THIS SEVERE THUNDERSTORM WATCH REPLACES

SEVERE THUNDERSTORM WATCH NUMBER 11. WATCH NUMBER 11 WILL NOT BE

IN EFFECT AFTER 940 PM CDT. CONTINUE...WW 9...WW 13...



DISCUSSION...SVR POTENTIAL FCST TO PERSIST FOR AT LEAST A FEW MORE

HOURS THROUGH LATE EVENING AS MLCINH SLOWLY INCREASES...BUT

SUFFICIENT MOISTURE AND STORM-RELATIVE INFLOW EXISTS JUST ABOVE SFC

TO SUPPORT LARGE HAIL/ISOLATED DAMAGING-GUST RISK.  REF SPC

MESOSCALE DISCUSSION 172 FOR INITIAL/NEAR-TERM METEOROLOGICAL

GUIDANCE.



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

TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM

MOTION VECTOR 27025.





...EDWARDS

