11:45 AM CDT Oklahoma Severe Weather Update (5/9/2013)


COMPUTER MODELS CONTINUE TO FORECAST THE BEGINNINGS OF
THUNDERSTORM DEVELOPMENT AROUND NOON, MAINLY FROM THE WICHITA FALLS TEXAS AREA INTO CENTRAL OKLAHOMA, JUST SOUTH OF THE OKLAHOMA CITY METROPOLITAN AREA. THIS AREA OF STORMS IS FORECAST TO EXPAND RAPIDLY, RESULTING IN SCATTERED STORMS OVER ABOUT THE SOUTHEAST HALF OF OKLAHOMA AND PARTS OF NORTH TEXAS.

HOWEVER, CURRENT SATELLITE IMAGERY SHOWS EVIDENCE OF SINKING AIR OVER MUCH OF THAT AREA, WHICH MAY DELAY STORM DEVELOPMENT BY SEVERAL HOURS. IN ADDITION, THERE IS A SURFACE BOUNDARY/FRONT LOCATED ACROSS NORTHERN AND WESTERN OKLAHOMA, WHICH WILL PROBABLY
SERVE AS A FOCUSING MECHANISM FOR STORM DEVELOPMENT DURING THE AFTERNOON.

AT THIS TIME, THERE IS SIGNIFICANT UNCERTAINTY REGARDING THE
EXACT TIMING AND LOCATION OF STORMS FOR THIS AFTERNOON. IT WOULD BE ADVISABLE FOR EVERYONE WHO IS IN THE SEVERE WEATHER SLIGHT RISK AREA, GENERALLY NEAR AND SOUTH OF I-40, TO PAY CLOSE ATTENTION TO THE WEATHER TODAY. WHEREVER STORMS DO DEVELOP, THEY ARE EXPECTED TO DEVELOP QUICKLY AND RAPIDLY. SOME ARE LIKELY TO BE SEVERE. LARGE HAIL
AND STRONG WINDS WILL BE THE MAIN CONCERNS, BUT I CAN’T RULE OUT, PARTICULARLY OVER SOUTHWEST OKLAHOMA AND WESTERN NORTH TEXAS. MOST STORMS WILL MOVE TOWARD THE NORTHEAST THIS AFTERNOON.

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