

820 

WWUS20 KWNS 200347

SEL8

SPC WW 200347

ARZ000-OKZ000-201100-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 188

NWS STORM PREDICTION CENTER NORMAN OK

1045 PM CDT SUN MAY 19 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  NORTHWEST ARKANSAS

  NORTHEAST OKLAHOMA



* EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 1045 PM

  UNTIL 600 AM CDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL TORNADOES POSSIBLE

  SEVERAL VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

  SEVERAL DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 95 STATUTE

MILES EAST AND WEST OF A LINE FROM 40 MILES EAST NORTHEAST OF

BARTLESVILLE OKLAHOMA TO 35 MILES WEST SOUTHWEST OF MUSKOGEE

OKLAHOMA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR

TORNADOES AND 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.



&&



OTHER WATCH INFORMATION...THIS TORNADO WATCH REPLACES TORNADO

WATCH NUMBER 182. WATCH NUMBER 182 WILL NOT BE IN EFFECT AFTER

1045 PM CDT. CONTINUE...WW 186...WW 187...



DISCUSSION...SW-NE LINE OF SVR STORMS WITH EMBEDDED SUPERCELLS NOW

IN NE OK EXPECTED TO CONTINUE EWD. POTENTIAL WILL EXIST FOR SOME

ADDITIONAL DEVELOPMENT ON SW END OF LINE GIVEN COOL...CYCLONIC WLY

MID-LVL FLOW /500 MB TEMPS AOB MINUS 15 C/ ATOP 50-60 KT MOIST...SLY

LLJ SAMPLED BY AREA VWPS.



AVIATION...TORNADOES AND 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 27035.





...CORFIDI

