Heres tomorrows outlook along with the reading from the storm prediction center. ...UPPER OHIO VALLEY INTO NORTHERN MID ATLANTIC COAST REGION... PRE-COLD FRONTAL BOUNDARY LAYER DEW POINTS APPEAR LIKELY TO REMAIN HIGH ENOUGH TO SUPPORT MODEST BOUNDARY LAYER DESTABILIZATION WITH AT LEAST SOME INSOLATION ACROSS THE UPPER OHIO VALLEY AND ADJACENT LOWER GREAT LAKES REGION BY TUESDAY AFTERNOON. THIS WILL BE AIDED BY MID-LEVEL COOLING ASSOCIATED WITH THE FAIRLY VIGOROUS SHORT WAVE IMPULSE FORECAST TO TURN EASTWARD ACROSS THE OHIO VALLEY...TOWARD THE MID ATLANTIC COAST REGION. WITH MIXED LAYER CAPE EXPECTED TO APPROACH OR EXCEED 1500 J/KG IN THE PRESENCE OF MODESTLY STRONG CYCLONIC MID/UPPER FLOW...THE ENVIRONMENT PROBABLY WILL BECOME CONDUCIVE TO THE DEVELOPMENT OF SCATTERED BANDS OR SMALL CLUSTERS OF STORMS CAPABLE OF PRODUCING POTENTIALLY DAMAGING WIND GUSTS AND PERHAPS MARGINALLY SEVERE HAIL. ACTIVITY IS EXPECTED TO SPREAD EASTWARD ACROSS PARTS OF THE UPPER OHIO VALLEY AND APPALACHIANS THROUGH THE LATE AFTERNOON AND EVENING HOURS...WITH ADDITIONAL STORM DEVELOPMENT BECOMING FOCUSED ALONG A WARM FRONTAL ZONE ACROSS PARTS OF THE DELMARVA PENINSULA/NORTHERN MID ATLANTIC COAST REGION. ALTHOUGH THE STRONGER SOUTHERLY 850 MB FLOW FIELDS ARE EXPECTED MOSTLY NORTH OF THIS FRONT...ABOVE THE COOLER AND MORE STABLE BOUNDARY LAYER AIR...IT DOES NOT APPEAR OUT OF THE QUESTION THAT LOW-LEVEL HODOGRAPHS NEAR THE FRONT MAY BE SUPPORTIVE OF SUPERCELLS CAPABLE OF PRODUCING DAMAGING WIND GUSTS OR AN ISOLATED TORNADO OR TWO. THIS POTENTIAL MAY BE HIGHEST LATE TUESDAY NIGHT...WITH THE APPROACH OF THE UPPER TROUGH.
Posted on: Mon, 11 Aug 2014 18:28:39 +0000
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