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National Weather Summary for Tuesday, August 4, 2015

by WeatherOps, on Aug 4, 2015 4:49:38 AM

Severe thunderstorms are possible on Tuesday across the Delmarva peninsula. Strong thunderstorms are possible from the Great Plains into the Mid Mississippi Valley. Excessive rainfall is possible across the Central Plains.

Current NWS Advisories/Watches/Warnings in iMapPro Current NWS Advisories/Watches/Warnings in iMapPro

Delmarva into New England: Broad upper low over the Eastern CONUS will promote
showers and thunderstorms on Tuesday, some severe, across the Delmarva and portions of
New England. Southerly winds are expected to feed abundant Atlantic Moisture inland
during the morning hours with moderate instability developing by early afternoon. Severe
thunderstorms capable of producing damaging wind gusts in excess of 55 mph and isolated
large hail will be possible before activity gradually moves offshore during the overnight

Great Plains into Middle Mississippi River Valley: Further to the west, a weaker, yet
sufficient, sub-tropical jet should remain draped across the Central Plains and points
eastward into the Middle Mississippi River Valley. Forcing for upper-level ascent should
remain weaker across this area, but isolated to scattered thunderstorms will still be
possible with a few marginally severe impacts. Hail and damaging wind gusts will be the
primary concerns, but coverage of storms should be somewhat sparse.

Central Plains: A mostly stationary front draped over the Central Plains will be a focus point
for showers and thunderstorms on Tuesday with a small risk for excessive rainfall. Training
showers and thunderstorms could contribute to locally heavy rainfall amounts of 1-2
inches, with higher amounts not completely out of the question.

Tuesday's Hazards Tuesday's Hazards