2011-06-08: Area Forecast Discussion Update

NW OK/SW KS

SOUTHERLY FLOW WILL CONTINUE TO ALLOW FOR MODEST IMPROVEMENT IN BL MOISTURE ACROSS THE SOUTHERN HIGH PLAINS THIS AFTERNOON…WITH SURFACE DEWPOINTS LIKELY REACHING THE LOWER 50S ACROSS THE REGION BY LATE IN THE DAY. THIS WILL COMBINE WITH VERY HOT TEMPERATURES…AROUND 100…TO RESULT IN MODERATE INSTABILITY. DESPITE VERY WARM H7 TEMPS…AROUND 15 C…FORECAST SOUNDINGS ARE LARGELY UNCAPPED AND FEATURE A CLASSIC INVERTED-V STRUCTURE. BL CONVERGENCE…ESPECIALLY IN THE VICINITY OF THE DRYLINE/SYNOPTIC FRONT INTERSECTION SHOULD BE SUFFICIENT TO ALLOW FOR ISOLATED/WIDELY SCT CONVECTION BY LATE AFTERNOON. VERTICAL SHEAR SHOULD REMAIN QUITE WEAK…GENERALLY PRECLUDING ORGANIZED STORM STRUCTURES. HOWEVER…IN LIGHT OF THE THERMODYNAMIC STRUCTURE…THERE SHOULD BE AN ENHANCED RISK OF HIGH-BASED CONVECTION PRODUCING OCCASIONAL HYBRID WET/DRY MICROBURSTS ACROSS THE REGION BY THE END OF THE DAY.

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