Alert archive / Vermont / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 21, NWS Albany, NY

May 29, 2012Windham County, Vermont

NWS Albany, NY issued this severe thunderstorm warning at May 29, 2012, 3:04 PM EDT for Windham County, Vermont. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 29, 2012, 3:04 PM EDT (19:04 UTC)
Expired: May 29, 2012, 3:45 PM EDT
In force: 41 min
Issued by: NWS Albany, NY
Area: Storm-based polygon

County Windham County, VT

The radar

The Albany radar (KENX), 138 km from the middle of the area, began a volume at 19:04 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 29, 12:26 PM EDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 7.1 hours before the alert went out and 116 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1908 J/kg
Mixed-layer CIN: -96 J/kg
Mixed-layer LCL: 1026 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 123 m²/s²
0-3 km storm-relative helicity: 141 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

575 
WUUS51 KALY 291904
SVRALY
VTC025-291945-
/O.NEW.KALY.SV.W.0021.120529T1904Z-120529T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ALBANY NY
304 PM EDT TUE MAY 29 2012

THE NATIONAL WEATHER SERVICE IN ALBANY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN WINDHAM COUNTY IN SOUTHERN VERMONT...

* UNTIL 345 PM EDT

* AT 259 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  SAXTONS RIVER...OR 6 MILES SOUTHWEST OF BELLOWS FALLS...AND MOVING
  NORTHEAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
   SAXTONS RIVER BY 310 PM EDT...
   WESTMINSTER BY 315 PM EDT...
   BELLOWS FALLS BY 320 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

PLEASE REPORT HAIL SIZE...DAMAGING WINDS AND REPORTS OF TREES DOWN TO
THE NATIONAL WEATHER SERVICE BY EMAIL AT ALB.STORMREPORT@NOAA.GOV OR
ON FACEBOOK AT WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.ALBANY.GOV.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT TUESDAY EVENING
FOR WESTERN MASSACHUSETTS AND EASTERN NEW YORK AND SOUTHERN VERMONT.

&&

LAT...LON 4306 7246 4301 7244 4298 7246 4296 7252
      4294 7255 4299 7266 4311 7275 4324 7252
      4324 7243 4315 7245 4312 7243 4308 7243
TIME...MOT...LOC 1904Z 241DEG 13KT 4309 7252

$$

WASULA/FRUGIS

2 follow-up statements

950 
WWUS51 KALY 291923
SVSALY

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
323 PM EDT TUE MAY 29 2012

VTC025-291945-
/O.CON.KALY.SV.W.0021.000000T0000Z-120529T1945Z/
WINDHAM VT-
323 PM EDT TUE MAY 29 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR NORTHEASTERN WINDHAM COUNTY...

AT 318 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE
HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS
LOCATED NEAR SAXTONS RIVER...OR NEAR BELLOWS FALLS...MOVING NORTHEAST
AT 10 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  NORTH WESTMINSTER BY 330 PM EDT...
  BELLOWS FALLS...HADLEY FIELD AND 6 MILES SOUTHEAST OF BARTONSVILLE
  BY 335 PM EDT...
  ROCKINGHAM AND BROCKWAYS MILLS BY 340 PM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

PLEASE REPORT HAIL SIZE...DAMAGING WINDS AND REPORTS OF TREES DOWN TO
THE NATIONAL WEATHER SERVICE BY EMAIL AT ALB.STORMREPORT@NOAA.GOV OR
ON FACEBOOK AT WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.ALBANY.GOV.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT TUESDAY EVENING
FOR WESTERN MASSACHUSETTS AND EASTERN NEW YORK AND SOUTHERN VERMONT.

&&

LAT...LON 4306 7246 4301 7244 4298 7246 4297 7249
      4315 7269 4316 7267 4324 7252 4324 7243
      4315 7245 4312 7243 4308 7243
TIME...MOT...LOC 1923Z 234DEG 9KT 4314 7250

$$

WASULA/FRUGIS

183 
WWUS51 KALY 291946
SVSALY

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ALBANY NY
346 PM EDT TUE MAY 29 2012

VTC025-291955-
/O.EXP.KALY.SV.W.0021.000000T0000Z-120529T1945Z/
WINDHAM VT-
346 PM EDT TUE MAY 29 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WINDHAM COUNTY
HAS EXPIRED...

THIS SEVERE THUNDERSTORM THAT PRODUCED GOLF BALL SIZE HAIL IN 
BELLOWS FALLS HAS MOVED EAST INTO NEW HAMPSHIRE.  ANOTHER STRONG 
THUNDERSTORM MAY IMPACT NORTHEASTERN WINDHAM COUNTY WITHIN THE NEXT 
30 MINUTES.  

PLEASE REPORT HAIL SIZE...DAMAGING WINDS AND REPORTS OF TREES DOWN TO
THE NATIONAL WEATHER SERVICE BY EMAIL AT ALB.STORMREPORT@NOAA.GOV OR
ON FACEBOOK AT WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.ALBANY.GOV.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT TUESDAY EVENING
FOR WESTERN MASSACHUSETTS AND EASTERN NEW YORK AND SOUTHERN VERMONT.

LAT...LON 4306 7246 4301 7244 4298 7246 4297 7249
      4315 7269 4316 7267 4324 7252 4324 7243
      4315 7245 4312 7243 4308 7243
TIME...MOT...LOC 1923Z 234DEG 9KT 4314 7250

$$

FRUGIS/WASULA

The office that day

Everything else NWS Albany, NY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 29, 2:46 PM EDT	Special Weather Statement	ALY	Windham	29 min
May 29, 3:45 PM EDT	Special Weather Statement	ALY	Windham	30 min
May 29, 3:59 PM EDT	Special Weather Statement	ALY	Windham	31 min
May 29, 4:06 PM EDT	Severe Thunderstorm Warning	ALY	Windham	39 min
May 29, 4:37 PM EDT	Tornado Warning	ALY	Windham	23 min
May 29, 4:56 PM EDT	Special Weather Statement	ALY	Windham	34 min
May 29, 5:09 PM EDT	Severe Thunderstorm Warning	ALY	Bennington	51 min
May 29, 5:45 PM EDT	Severe Thunderstorm Warning	ALY	Bennington	60 min
May 29, 5:56 PM EDT	Special Weather Statement	ALY	Windham	19 min
May 29, 6:13 PM EDT	Special Weather Statement	ALY	Windham	47 min
May 29, 6:22 PM EDT	Severe Thunderstorm Warning	ALY	Windham	38 min

Nearby

Severe Thunderstorm Warnings in Vermont, 2012 Every severe thunderstorm warning in 2012

Sources

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.