Alert archive / Connecticut / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 39, NWS Boston/Norton, MA

June 14, 2008Capitol Planning Region, Connecticut

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 14, 2008, 3:51 PM EDT for Capitol Planning Region, Connecticut. It was in force for 42 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
Jun 14, 2008, 3:51 PM EDT (19:51 UTC)
Expired
Jun 14, 2008, 4:33 PM EDT
In force
42 min
Issued by
NWS Boston/Norton, MA
Area
Storm-based polygon

County Capitol Planning Region, CT

The radar

The Brookhaven radar (KOKX), 102 km from the middle of the area, began a volume at 19:51 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 nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 7.9 hours before the alert went out and 102 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-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2008-06-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 29 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2008-06-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
29 J/kg
Mixed-layer CIN
-177 J/kg
Mixed-layer LCL
1159 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
72 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBOX 141951
SVRBOX
CTC003-142045-
/O.NEW.KBOX.SV.W.0039.080614T1951Z-080614T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
351 PM EDT SAT JUN 14 2008

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN HARTFORD COUNTY IN NORTHERN CONNECTICUT...
  THIS INCLUDES THE CITIES OF...WEST HARTFORD...NEW BRITAIN...
  BRISTOL...

* UNTIL 445 PM EDT

* AT 347 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  BURLINGTON...OR 6 MILES EAST OF TORRINGTON...AND MOVING 
  SOUTHEAST AT 12 MPH.  THIS STORM HAS A HISTORY OF PRODUCING LARGE
  HAIL AND DOWNED TREES IN THE TORRINGTON AREA.
 
* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BURLINGTON BY 405 PM EDT...
  CANTON BY 410 PM EDT...
  BRISTOL BY 420 PM EDT...
  AVON BY 425 PM EDT...
  FARMINGTON BY 440 PM EDT...

LAT...LON 4174 7302 4178 7302 4179 7303 4181 7301
      4182 7296 4185 7298 4186 7296 4181 7270
      4161 7283
TIME...MOT...LOC 1950Z 297DEG 11KT 4180 7300

$$
FIELD
2 follow-up statements
000 
WWUS51 KBOX 142019
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
419 PM EDT SAT JUN 14 2008

CTC003-142045-
/O.CON.KBOX.SV.W.0039.000000T0000Z-080614T2045Z/
HARTFORD CT-
415 PM EDT SAT JUN 14 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM EDT
FOR SOUTHWESTERN HARTFORD COUNTY...

AT 410 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS 
LOCATED JUST SOUTH OF BURLINGTON...MOVING SOUTHEAST AT 13 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  PLAINVILLE BY 435 PM EDT...
  FARMINGTON BY 440 PM EDT...

WEATHER SPOTTERS...AMATEUR RADIO OPERATORS...AND EMERGENCY 
MANAGEMENT OFFICIALS ARE URGED TO RELAY ANY REPORTS OF HAIL OR WIND 
DAMAGE TO THE NATIONAL WEATHER SERVICE IN TAUNTON MASSACHUSETTS.

LAT...LON 4174 7302 4177 7297 4180 7294 4181 7291
      4181 7270 4161 7283
TIME...MOT...LOC 2015Z 297DEG 11KT 4177 7291

$$
FIELD
000 
WWUS51 KBOX 142033
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
433 PM EDT SAT JUN 14 2008

CTC003-142043-
/O.CAN.KBOX.SV.W.0039.000000T0000Z-080614T2045Z/
HARTFORD CT-
433 PM EDT SAT JUN 14 2008

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN HARTFORD COUNTY
IS CANCELLED...

ALTHOUGH THUNDERSTORMS WERE OCCURRING IN THE FARMINGTON AND BRISTOL 
AREAS...THE THREAT OF SEVERE WEATHER HAS DIMINISHED AS OF 433 PM.

LAT...LON 4174 7302 4177 7297 4180 7294 4181 7291
      4181 7270 4161 7283
TIME...MOT...LOC 2033Z 297DEG 11KT 4174 7284

$$
FIELD

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 14, 3:30 PM EDTFlash Flood WatchBOXCapitol Planning Region6 hr
Jun 14, 4:09 PM EDTSevere Thunderstorm WarningBOX51 min

Nearby

Severe Thunderstorm Warnings in Connecticut, 2008Every severe thunderstorm warning in 2008

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.