

561 

WWUS20 KWNS 231219

SEL7

SPC WW 231219

ARZ000-LAZ000-OKZ000-TXZ000-231900-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 557

NWS STORM PREDICTION CENTER NORMAN OK

620 AM CST WED DEC 23 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  SOUTHWEST THROUGH MUCH OF CENTRAL ARKANSAS

  NORTHWEST LOUISIANA

  SOUTHEAST OKLAHOMA

  NORTHEAST TEXAS



* EFFECTIVE THIS WEDNESDAY MORNING AND AFTERNOON FROM 620 AM

  UNTIL 100 PM CST.



* PRIMARY THREATS INCLUDE...

  A FEW TORNADOES LIKELY

  WIDESPREAD DAMAGING WIND GUSTS TO 70 MPH LIKELY

  SCATTERED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



SUMMARY...FORCING FOR ASCENT ASSOCIATED WITH A SHORT WAVE TROUGH

OVERSPREADING THE ARKLATEX REGION AND MUCH OF CENTRAL ARKANSAS

THROUGH MID DAY IS EXPECTED TO SUPPORT INCREASING SEVERE STORM

DEVELOPMENT.  THIS WILL INCLUDE THE RISK FOR SUPERCELLS...WITH A FEW

TORNADOES...IN ADDITION TO THE POTENTIAL FOR STRONG SURFACE GUSTS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE

MILES EAST AND WEST OF A LINE FROM 50 MILES SOUTH OF LONGVIEW

TEXAS TO 25 MILES NORTH NORTHEAST OF WALNUT RIDGE ARKANSAS.  FOR

A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU7).



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...CONTINUE...WW 556...



AVIATION...TORNADOES AND 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 24045.





...KERR

