So.....this is scaring the hell out of me and is making me very nervous. Severe Storm, Tornado Risk Thursday Philly to DC, Norfolk June 12, 2013; 3:59 PM There is a risk of thunderstorms with damaging winds and a few tornadoes from Wednesday night to Thursday night in parts of the mid-Atlantic and South. Strong thunderstorms with a high risk of flash flooding are likely in portions of West Virginia, Virginia, Maryland, Pennsylvania, New York, New Jersey, North Carolina, South Carolina and northeast Georgia as one or more complexes of thunderstorms roll in from the Midwest late Wednesday night into Thursday. The storm complexes bring a risk of widespread 60-80 mph wind gusts with even higher gusts locally. Winds of this magnitude can knock down trees, cause power outages and significant property damage. AccuWeather meteorologists are also concerned that there can be an enhanced tornado threat Thursday afternoon and evening across parts of the mid-Atlantic. At this time the area of greatest tornado concern Thursday will take aim from Harrisburg, Pa., Philadelphia, Washington, D.C., Baltimore and vicinity southeastward to the Delmarva Peninsula, Richmond, Norfolk and southward into northeast North Carolina. RELATED: Derecho Risk From Chicago to Columbus What Is a Derecho? Severe Weather Center One or more complexes of storms will target portions the Ohio Valley. There is the risk of an intense, fast-moving storm complex, known as a derecho, in part of this area Wednesday night. It is unclear at this time whether or not the storms in the East will be as organized as the storms in the Midwest. The meteorological form of the severe weather could range from widely separated severe thunderstorms yielding a tornado outbreak, to multiple squall lines to powerful thunderstorm complexes. However, the outcome in areas hit could be just as dramatic as a derecho and much more intense than your average thunderstorms. Just north of the high wind risk area of the storms, a zone of thundery rain will occur with a high likelihood of flash, urban and small stream flooding. The heavy rain is likely to take a swipe over northern Pennsylvania, northern New Jersey, New York City and much of southern New York state Wednesday night into Thursday and could slow travel along parts of I-80 and the Southern Tier Expressway. A word of caution, however. If a thunderstorm complex fires farther north over the Midwest than expected, the risk of damaging winds would also be shifted farther north in the mid-Atlantic. The storms are forecast to fire along the northern and eastern rim of building heat centered over the central Rockies and southern Plains this week. The overall pattern fits in to the AccuWeather forecast for the summer of 2013, described earlier in May.
Posted on: Wed, 12 Jun 2013 20:27:39 +0000
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