Thunderstorms possible this afternoon

National Weather Service, Norman:

 REGIONAL WEATHER DISCUSSION…

THIS AFTERNOON…THE AIR WAS VERY UNIFORM ACROSS OKLAHOMA AND
WESTERN NORTH TEXAS. AT 230 PM…TEMPERATURES RANGED FROM 89 DEGREES
TO 92 DEGREES. A FEW STATIONS IN NORTHWEST OKLAHOMA REPORTED WARMER
READINGS UP TO 95. IT WAS HUMID…WITH DEWPOINTS GENERALLY BETWEEN
68 AND 71 DEGREES…YIELDING HEAT INDICES OF AROUND 95 TO 101
DEGREES. THE FIRST RAIN SHOWERS OF THE DAY HAD FORMED IN NORTHWEST
OKLAHOMA…WHERE COOLER MID LEVEL TEMPERATURES AND WEAK SURFACE
CONVERGENCE FAVORED DEVELOPMENT. STILL…THIS ACTIVITY WAS VERY
ISOLATED.

ELSEWHERE…SATELLITE REVEALED WIDESPREAD CUMULUS…BUT THERE WAS
LITTLE SIGN OF VERTICAL DEVELOPMENT. STRONG HEATING IN THE MOIST AIR
WILL LIKELY YIELD A FEW MORE SHOWERS AND POSSIBLY THUNDERSTORMS THIS
AFTERNOON…BUT A LACK OF FOCUS WILL GREATLY LIMIT THE ACTIVITY…
AND THE CHANCE OF RAIN IS ONLY 10 TO 20 PERCENT.

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