Alert archive / Connecticut / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 63, NWS Boston/Norton, MA

July 22, 2016Capitol Planning Region, Connecticut

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 22, 2016, 9:57 PM EDT for Capitol Planning Region, Connecticut. It was in force for 48 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 22, 2016, 9:57 PM EDT (01:57 UTC)
Expired
Jul 22, 2016, 10:45 PM EDT
In force
48 min
Issued by
NWS Boston/Norton, MA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Capitol Planning Region, CT

The radar

The Brookhaven radar (KOKX), 93 km from the middle of the area, began a volume at 01:59 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.

What was reported inside it

TimeReportWhereRemark
Jul 22, 10:00 PM EDTTSTM WND DMGNew Britain, CTSECTION OF SIDING RIPPED OFF HOUSE ON CHESTNUT ST.
Jul 22, 10:00 PM EDTTSTM WND DMGNew Britain, CTTREE DOWN ON HOUSE ON CHESTNUT ST.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 2.0 hours before the alert went out and 93 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 00:00Z on 2016-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1338 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 00:00Z on 2016-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 180 square meters per square second.193958Sfc1 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
1338 J/kg
Mixed-layer CIN
-115 J/kg
Mixed-layer LCL
1096 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
180 m²/s²
0-3 km storm-relative helicity
252 m²/s²
Significant tornado parameter
0.6
Supercell composite
6.4

Open this sounding in Storm Lab

The text

As transmitted.

882 
WUUS51 KBOX 230157
SVRBOX
CTC003-013-230245-
/O.NEW.KBOX.SV.W.0063.160723T0157Z-160723T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
957 PM EDT FRI JUL 22 2016

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN TOLLAND COUNTY IN NORTHERN CONNECTICUT...
  SOUTHERN HARTFORD COUNTY IN NORTHERN CONNECTICUT...

* UNTIL 1045 PM EDT

* AT 957 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER NEW
  BRITAIN... MOVING EAST AT 40 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  HARTFORD...NEW BRITAIN...WEST HARTFORD...BRISTOL...MANCHESTER...
  EAST HARTFORD...SOUTHINGTON...GLASTONBURY...NEWINGTON...
  WETHERSFIELD...FARMINGTON...BERLIN...ROCKY HILL...AVON...
  PLAINVILLE...COVENTRY...HEBRON...MARLBOROUGH...COLUMBIA AND BOLTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4177 7290 4173 7225 4170 7225 4169 7227
      4167 7227 4164 7233 4161 7233 4159 7239
      4160 7241 4159 7242 4158 7246 4165 7251
      4163 7271 4160 7272 4164 7291
TIME...MOT...LOC 0157Z 281DEG 35KT 4170 7280 

HAIL...<.75IN
WIND...60MPH
 
$$
FIELD
1 follow-up statement
811 
WWUS51 KBOX 230206
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
1006 PM EDT FRI JUL 22 2016

CTC003-013-230245-
/O.CON.KBOX.SV.W.0063.000000T0000Z-160723T0245Z/
TOLLAND CT-HARTFORD CT-
1006 PM EDT FRI JUL 22 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM EDT
FOR SOUTHWESTERN TOLLAND AND SOUTHERN HARTFORD COUNTIES...

AT 1004 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER NEWINGTON...
MOVING EAST AT 40 MPH. AMATEUR RADIO OPERATORS REPORTED A WIND GUST
TO 62 MPH WITH THIS STORM IN NEW BRITAIN.

HAZARD...60 TO 70 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
HARTFORD...NEW BRITAIN...WEST HARTFORD...BRISTOL...MANCHESTER...
EAST HARTFORD...SOUTHINGTON...GLASTONBURY...NEWINGTON...
WETHERSFIELD...FARMINGTON...BERLIN...ROCKY HILL...AVON...
PLAINVILLE...COVENTRY...HEBRON...MARLBOROUGH...COLUMBIA AND BOLTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4177 7290 4173 7225 4170 7225 4169 7227
      4167 7227 4164 7233 4161 7233 4159 7239
      4160 7241 4159 7242 4158 7246 4165 7251
      4163 7271 4160 7272 4164 7291
TIME...MOT...LOC 0204Z 281DEG 35KT 4168 7270 

HAIL...<.75IN
WIND...60MPH
 
$$
FIELD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 8:18 PM EDTSpecial Weather StatementBOX42 min
Jul 22, 8:44 PM EDTSpecial Weather StatementBOX61 min
Jul 22, 9:06 PM EDTSevere Thunderstorm WarningBOXNortheastern Connecticut Planning Region39 min
Jul 22, 9:47 PM EDTSevere Thunderstorm WarningBOXNortheastern Connecticut Planning Region43 min
Jul 22, 9:53 PM EDTSpecial Weather StatementBOX52 min
Jul 22, 10:27 PM EDTSevere Thunderstorm WarningBOXNortheastern Connecticut Planning Region48 min
Jul 22, 11:06 PM EDTSevere Thunderstorm WarningBOXNortheastern Connecticut Planning Region54 min
Jul 23, 6:10 PM EDTSpecial Weather StatementBOX50 min

Nearby

Severe Thunderstorm Warnings in Connecticut, 2016Every severe thunderstorm warning in 2016

Sources

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