

113 

WWUS20 KWNS 122052

SEL8

SPC WW 122052

KSZ000-OKZ000-TXZ000-130400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 528

NWS STORM PREDICTION CENTER NORMAN OK

350 PM CDT SUN OCT 12 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  SOUTHERN KANSAS

  WESTERN OKLAHOMA

  NORTHWEST TEXAS



* EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 350 PM UNTIL

  1100 PM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75

STATUTE MILES EAST AND WEST OF A LINE FROM 65 MILES NORTHWEST OF

ALVA OKLAHOMA TO 45 MILES SOUTHEAST OF CHILDRESS 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.



&&



DISCUSSION...HIGH-BASED STORMS ASSOCIATED WITH STRONG FORCED ASCENT

WILL INCREASE IN COVERAGE AND INTENSITY INTO THE EVENING HOURS AS A

STRONG MID/UPPER TROUGH EMERGES OVER THE SOUTHERN PLAINS. ALTHOUGH

INSTABILITY IS MEAGER...DRY SUB-CLOUD AIRMASS AND STEEPENING

MID-LEVEL LAPSE RATES AND LIFT WILL LEAD TO RELATIVELY LOW-TOPPED

STORMS CAPABLE OF PRODUCING DAMAGING WINDS AND PERHAPS SOME HAIL.

STORMS MAY BECOME BETTER FOCUSED ALONG ADVANCING/SURGING COLD FRONT

WITH TIME AND EVOLVE INTO A SQUALL LINE ACROSS PARTS OF WEST-CENTRAL

OK AND NORTHWEST TX THROUGH LATE EVENING.



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 400. MEAN STORM

MOTION VECTOR 28040.





...CARBIN



785 

WWUS20 KWNS 122052

SEL8

SPC WW 122052

KSZ000-OKZ000-TXZ000-130400-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 528

NWS STORM PREDICTION CENTER NORMAN OK

350 PM CDT SUN OCT 12 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  SOUTHERN KANSAS

  WESTERN OKLAHOMA

  NORTHWEST TEXAS



* EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 350 PM UNTIL

  1100 PM CDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75

STATUTE MILES EAST AND WEST OF A LINE FROM 65 MILES NORTHWEST OF

ALVA OKLAHOMA TO 45 MILES SOUTHEAST OF CHILDRESS 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.



&&



DISCUSSION...HIGH-BASED STORMS ASSOCIATED WITH STRONG FORCED ASCENT

WILL INCREASE IN COVERAGE AND INTENSITY INTO THE EVENING HOURS AS A

STRONG MID/UPPER TROUGH EMERGES OVER THE SOUTHERN PLAINS. ALTHOUGH

INSTABILITY IS MEAGER...DRY SUB-CLOUD AIRMASS AND STEEPENING

MID-LEVEL LAPSE RATES AND LIFT WILL LEAD TO RELATIVELY LOW-TOPPED

STORMS CAPABLE OF PRODUCING DAMAGING WINDS AND PERHAPS SOME HAIL.

STORMS MAY BECOME BETTER FOCUSED ALONG ADVANCING/SURGING COLD FRONT

WITH TIME AND EVOLVE INTO A SQUALL LINE ACROSS PARTS OF WEST-CENTRAL

OK AND NORTHWEST TX THROUGH LATE EVENING.



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 400. MEAN STORM

MOTION VECTOR 28040.





...CARBIN

