657  
WOUS40 KWNS 210106  
PWOSPC  
ARZ000-LAZ000-MSZ000-TXZ000-211200-  
 
PUBLIC SEVERE WEATHER OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK  
0705 PM CST WED JAN 20 2010  
 
...SEVERE THUNDERSTORMS EXPECTED OVER PARTS OF THE LOWER MISSISSIPPI  
VALLEY OVERNIGHT...  
 
THE NWS STORM PREDICTION CENTER IN NORMAN OK IS FORECASTING THE  
DEVELOPMENT OF TORNADOES OVER PARTS OF THE LOWER MISSISSIPPI VALLEY  
OVERNIGHT.  
 
CONDITIONS ARE EXPECTED TO SUPPORT THE POTENTIAL FOR A FEW STRONG  
AND POSSIBLY LONG-LIVED TORNADOES.  
 
WHILE OVERALL SEVERE THUNDERSTORM COVERAGE IS NOT EXPECTED TO BE  
WIDESPREAD...THE POTENTIAL FOR A SIGNIFICANT TORNADO AFTER DARK  
WARRANTS HEIGHTENED SAFETY PRECAUTIONS.  
 
TORNADOES DURING THE OVERNIGHT HOURS AT THIS TIME OF YEAR CAN BE  
PARTICULARLY DANGEROUS BECAUSE THEY ARE USUALLY FAST-MOVING AND  
OBSCURED BY RAIN AND DARKNESS.  
 
THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE  
 
EXTREME SOUTHERN ARKANSAS  
NORTHERN LOUISIANA  
CENTRAL AND SOUTHERN MISSISSIPPI  
EXTREME NORTHEAST TEXAS  
 
STATE AND LOCAL EMERGENCY MANAGERS ARE MONITORING THIS DEVELOPING  
SITUATION. THOSE IN THE THREATENED AREA ARE URGED TO REVIEW SEVERE  
WEATHER SAFETY RULES AND TO LISTEN TO RADIO...TELEVISION...AND NOAA  
WEATHER RADIO FOR POSSIBLE WATCHES...WARNINGS...AND STATEMENTS  
TONIGHT.  
 
..RACY.. 01/21/2010  
 
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