

774 

WWUS20 KWNS 021855

SEL8

SPC WW 021855

OKZ000-TXZ000-030200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 518

NWS STORM PREDICTION CENTER NORMAN OK

155 PM CDT THU OCT 2 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  FAR SOUTHEAST OKLAHOMA

  NORTH-CENTRAL AND NORTHEAST INTO CENTRAL TEXAS



* EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 155 PM UNTIL

  900 PM CDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80

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

PARIS TEXAS TO 40 MILES SOUTHWEST OF TEMPLE TEXAS.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU8).



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 515...WW 516...WW 517...



DISCUSSION...TSTMS ARE EXPECTED TO INCREASE IN COVERAGE AND

INTENSITY ALONG A SEWD-MOVING COLD FRONT THIS AFTERNOON AS

LARGE-SCALE FORCING FOR ASCENT IS ENHANCED BY A MID-LEVEL TROUGH

MOVING ACROSS THE SRN PLAINS. MODERATE AMOUNTS OF INSTABILITY AND

VERTICAL SHEAR WILL SUPPORT SUPERCELLS AND BOWING STRUCTURES WITH

THE MAIN HAZARDS BEING DAMAGING WINDS AND LARGE HAIL.



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 550. MEAN STORM

MOTION VECTOR 26025.





...MEAD



434 

WWUS20 KWNS 021855

SEL8

SPC WW 021855

OKZ000-TXZ000-030200-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 518

NWS STORM PREDICTION CENTER NORMAN OK

155 PM CDT THU OCT 2 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  FAR SOUTHEAST OKLAHOMA

  NORTH-CENTRAL AND NORTHEAST INTO CENTRAL TEXAS



* EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 155 PM UNTIL

  900 PM CDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 80

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

PARIS TEXAS TO 40 MILES SOUTHWEST OF TEMPLE TEXAS.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU8).



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 515...WW 516...WW 517...



DISCUSSION...TSTMS ARE EXPECTED TO INCREASE IN COVERAGE AND

INTENSITY ALONG A SEWD-MOVING COLD FRONT THIS AFTERNOON AS

LARGE-SCALE FORCING FOR ASCENT IS ENHANCED BY A MID-LEVEL TROUGH

MOVING ACROSS THE SRN PLAINS. MODERATE AMOUNTS OF INSTABILITY AND

VERTICAL SHEAR WILL SUPPORT SUPERCELLS AND BOWING STRUCTURES WITH

THE MAIN HAZARDS BEING DAMAGING WINDS AND LARGE HAIL.



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 550. MEAN STORM

MOTION VECTOR 26025.





...MEAD

