Severe Thunderstorm Watch 445

Issued

Aug 13, 2016, 6:17 PM EDT (22:17 UTC)

Expired

Aug 14, 2016, 1:00 AM EDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

1.5 in

Strongest gust expected

60 kt

The Binghamton radar (KBGM), 35 km from the middle of the area, began a volume at 22:20 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Two or more tornadoes

20%

One or more EF2 to EF5 tornadoes

5%

Ten or more severe wind reports

60%

One or more gusts of 65 knots or more

20%

Ten or more severe hail reports

30%

One or more hailstones of 2 inches or more

10%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 1529Aug 13, 3:11 PM EDT
• Mesoscale Discussion 1530Aug 13, 6:10 PM EDT
• Mesoscale Discussion 1531Aug 13, 8:53 PM EDT

064 
WWUS20 KWNS 132215
SEL5  
SPC WW 132215
CTZ000-MAZ000-NYZ000-PAZ000-VTZ000-140500-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 445
NWS STORM PREDICTION CENTER NORMAN OK
615 PM EDT SAT AUG 13 2016

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
  NORTHWEST CONNECTICUT
  WESTERN MASSACHUSETTS
  CENTRAL AND EASTERN NEW YORK
  NORTHEAST PENNSYLVANIA
  SOUTHERN VERMONT

* EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 615 PM
  UNTIL 100 AM EDT.

* PRIMARY THREATS INCLUDE...
  SCATTERED DAMAGING WIND GUSTS TO 70 MPH LIKELY
  ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE
  A TORNADO OR TWO POSSIBLE

SUMMARY...WIDESPREAD THUNDERSTORMS WILL CONTINUE SHIFTING ACROSS
PORTIONS OF THE NORTHEAST U.S. THROUGH MUCH IF NOT ALL OF THIS
EVENING.  SEVERAL OF THE STRONGER STORMS/STORM CLUSTERS WILL BE
CAPABLE OF PRODUCING DAMAGING WINDS...WITH A FEW SEVERE HAIL EVENTS
ALSO EXPECTED.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 40 MILES WEST
SOUTHWEST OF ELMIRA NEW YORK TO 30 MILES NORTHEAST OF PITTSFIELD
MASSACHUSETTS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 24035.


...GOSS

Severe Thunderstorm Watches in New York, 2016Severe Thunderstorm Watches in Pennsylvania, 2016Severe Thunderstorm Watches in Vermont, 2016Every severe thunderstorm watch in 2016

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.