The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
* effective this Tuesday afternoon and evening from 140 PM until
900 PM EDT.
* Primary threats include...
several large hail events with a few very large hail events to 2
inches in diameter possible
several damaging wind gusts to 70 mph possible
The Severe Thunderstorm Watch area is approximately along and 55
statute miles north and south of a line from 10 miles west
northwest of Buffalo New York to 30 miles south southeast of
Pittsfield Massachusetts. For a complete depiction of the watch
see the associated watch outline update (wous64 kwns wou3).
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.
Other watch information... continue... ww 201... ww 202...
Discussion... scattered vigorous storm development is underway
near/south of a frontal zone extending across the lower Great Lakes
region into New England. In the presence of thermodynamic profiles
characterized by fairly steep mid-level lapse rates and large
cape... shear beneath 30 kt west northwesterly mid-level flow may
support organized storm development... perhaps at least brief
supercell structures. With time... consolidation of cold pools
generated by activity may occur... resulting in one or more east
southeastward progressing small storm clusters with the risk for
potentially damaging wind gusts... in addition to severe hail.
Aviation... a few severe thunderstorms with hail surface and aloft
to 2 inches. Extreme turbulence and surface wind gusts to 60
knots. A few cumulonimbi with maximum tops to 500. Mean storm
motion vector 29025.