664  
WWUS20 KWNS 220356  
SEL2  
SPC WW 220356  
ARZ000-LAZ000-TXZ000-221000-  
 
URGENT - IMMEDIATE BROADCAST REQUESTED  
TORNADO WATCH NUMBER 2  
NWS STORM PREDICTION CENTER NORMAN OK  
1000 PM CST SUN JAN 21 2018  
 
THE NWS STORM PREDICTION CENTER HAS ISSUED A  
 
* TORNADO WATCH FOR PORTIONS OF  
WESTERN AND CENTRAL ARKANSAS  
NORTHWESTERN LOUISIANA  
EXTREME NORTHEASTERN TEXAS  
 
* EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 1000 PM  
UNTIL 400 AM CST.  
 
* PRIMARY THREATS INCLUDE...  
A COUPLE TORNADOES POSSIBLE  
ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE  
 
SUMMARY...ONGOING BROKEN BAND OF SUPERCELLS WILL CONTINUE TO SPREAD  
EASTWARD OVERNIGHT, WITH SOME TENDENCY TO GROW INTO MORE LINEAR  
STRUCTURES WITH TIME AS THE COLD FRONT EVENTUALLY OVERTAKES THE WARM  
SECTOR STORMS. A COUPLE OF TORNADOES AND DAMAGING GUSTS WILL BE  
POSSIBLE WITH THE PERSISTING SUPERCELLS AND EMBEDDED CIRCULATIONS  
WITHIN LINE SEGMENTS.  
 
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE MILES  
EAST AND WEST OF A LINE FROM 25 MILES NORTHEAST OF FLIPPIN AR TO 70  
MILES SOUTH SOUTHEAST OF LONGVIEW TX. FOR A COMPLETE DEPICTION OF  
THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS  
WOU2).  
 
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 1...  
 
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL  
SURFACE AND ALOFT TO 0.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND  
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN  
STORM MOTION VECTOR 24045.  
 
...THOMPSON  
 
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