URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 455
NWS Storm Prediction Center Norman OK
120 PM EDT Thu Aug 27 2020
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Far northwest Connecticut
Far western Massachusetts
South-central and southeast New York
Far northeast Pennsylvania
* Effective this Thursday afternoon and evening from 120 PM until
700 PM EDT.
* Primary threats include...
A couple tornadoes possible
Scattered damaging winds likely with isolated significant gusts
to 75 mph possible
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
SUMMARY...Multiple supercells will spread east-southeast across the
region this afternoon with a risk for all severe hazards.
The tornado watch area is approximately along and 45 statute miles
north and south of a line from 5 miles south southwest of Ithaca NY
to 35 miles east northeast of Poughkeepsie NY. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU5).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and 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.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 454...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 2 inches. Extreme turbulence and surface wind
gusts to 65 knots. A few cumulonimbi with maximum tops to 550. Mean
storm motion vector 28040.
...Grams
======================================================================
072
WWUS40 KWNS 271719
WWP5
TORNADO WATCH PROBABILITIES FOR WT 0455
NWS STORM PREDICTION CENTER NORMAN OK
1218 PM CDT THU AUG 27 2020
WT 0455
PROBABILITY TABLE:
PROB OF 2 OR MORE TORNADOES : 40%
PROB OF 1 OR MORE STRONG /EF2-EF5/ TORNADOES : 20%
PROB OF 10 OR MORE SEVERE WIND EVENTS : 70%
PROB OF 1 OR MORE WIND EVENTS >= 65 KNOTS : 50%
PROB OF 10 OR MORE SEVERE HAIL EVENTS : 50%
PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 50%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : >95%
&&
ATTRIBUTE TABLE:
MAX HAIL /INCHES/ : 2.0
MAX WIND GUSTS SURFACE /KNOTS/ : 65
MAX TOPS /X 100 FEET/ : 550
MEAN STORM MOTION VECTOR /DEGREES AND KNOTS/ : 28040
PARTICULARLY DANGEROUS SITUATION : NO
&&
FOR A COMPLETE GEOGRAPHICAL DEPICTION OF THE WATCH AND
WATCH EXPIRATION INFORMATION SEE WOUS64 FOR WOU5.
$$
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