|Severe Thunderstorm Watch|
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
District of Columbia
central and eastern Maryland
central and northeast North Carolina
southern New Jersey
central and eastern Virginia
* effective this Wednesday afternoon and evening from 500 PM
until 1000 PM EDT.
* Primary threats include...
several damaging wind gusts to 70 mph likely
The Severe Thunderstorm Watch area is approximately along and 85
statute miles east and west of a line from 35 miles south
southwest of Raleigh North Carolina to 5 miles northwest of
Wilmington Delaware. For a complete depiction of the watch see
the associated watch outline update (wous64 kwns wou8).
Remember... a Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings. Severe thunderstorms can and occasionally
do produce tornadoes.
Discussion... a band of showers and thunderstorms is intensifying
over central VA and northwest NC. These storms are expected to
spread across the watch area this evening. Despite very limited
instability... stronger storms will pose a risk of locally damaging
Aviation... a few severe thunderstorms with hail surface and aloft
to 0.5 inch. Extreme turbulence and surface wind gusts to 60
knots. A few cumulonimbi with maximum tops to 400. Mean storm
motion vector 25040.
... Wind Advisory remains in effect from 6 PM this evening to
11 am EDT Thursday...
* timing... Wednesday evening through Thursday morning.
* Winds... northwest 20 to 30 mph with gusts up to 55 mph.
* Impacts... scattered tree and power line damage. Difficulty
driving high profile vehicles.
A Wind Advisory means that wind gusts of 45 to 55 mph are
expected. Secure outdoor furniture and take care driving high
... Isolated strong winds through mid afternoon...
Isolated wind gusts of 40 to 50 mph are occurring over the
area... and are expected to continue ahead of a line of showers and
thunderstorms along a cold front approaching from the west this