Tornado Watch 313

Issued

May 29, 2012, 12:26 PM EDT (16:26 UTC)

Expired

May 29, 2012, 8:19 PM EDT

In force

8 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

The Burlington radar (KCXX), 107 km from the middle of the area, began a volume at 16:27 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

30%

One or more EF2 to EF5 tornadoes

10%

Ten or more severe wind reports

50%

One or more gusts of 65 knots or more

20%

Ten or more severe hail reports

50%

One or more hailstones of 2 inches or more

20%

Six or more combined severe hail and wind reports

80%

• Mesoscale Discussion 954May 29, 11:43 AM EDT
• Mesoscale Discussion 956 Severe potential...watch likelyMay 29, 12:01 PM EDT
• Mesoscale Discussion 958May 29, 1:52 PM EDT
• Mesoscale Discussion 959May 29, 2:13 PM EDT
• Mesoscale Discussion 962May 29, 3:26 PM EDT
• Mesoscale Discussion 968May 29, 7:21 PM EDT

665 
WWUS20 KWNS 291628
SEL3
SPC WW 291628
MAZ000-NYZ000-VTZ000-300100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 313
NWS STORM PREDICTION CENTER NORMAN OK
1230 PM EDT TUE MAY 29 2012

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

       EXTREME WESTERN MASSACHUSETTS
       EASTERN NEW YORK
       VERMONT

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 1230 PM UNTIL
900 PM EDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE
MILES EAST AND WEST OF A LINE FROM 40 MILES SOUTH OF GLENS FALLS
NEW YORK TO 40 MILES NORTH NORTHWEST OF BURLINGTON VERMONT.  FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU3).

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 312...

DISCUSSION...STORMS ARE EXPECTED TO DEVELOP WITHIN AN ENHANCED
CU/TCU FIELD WITHIN THE NEXT 1-2 HRS...AND CONTINUED HEATING OCCURS
AND LARGE SCALE ASCENT APPROACHES FROM THE WEST.  A VERY UNSTABLE
ENVIRONMENT WITH MUCAPE OF 2000-3000 J/KG AND 30-40 KT DEEP LAYER
SHEAR WILL PROMOTE SEVERE STORMS INCLUDING A FEW SUPERCELLS WITH
POTENTIAL TO PRODUCE LARGE HAIL AND DAMAGING WINDS.  SOUTHERLY LOW
LEVEL WINDS OVER THE HUDSON VALLEY AND EAST INTO VT WILL ALSO
ENHANCE LOW LEVEL SHEAR SUGGESTING THREAT FOR A FEW TORNADOES THIS
AFTERNOON.

AVIATION...TORNADOES AND 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 24030.


...WEISS

Tornado Watches in New York, 2012Tornado Watches in Vermont, 2012Every tornado watch in 2012

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.