Alert archive / Connecticut / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 76, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 26, 2011, 4:52 PM EDT for Capitol Planning Region, Connecticut; Hampden County, Massachusetts. It was in force for 53 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 26, 2011, 4:52 PM EDT (20:52 UTC)
- Expired
- Jul 26, 2011, 5:45 PM EDT
- In force
- 53 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
The radar
The Brookhaven radar (KOKX), 99 km from the middle of the area, began a volume at 20:53 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 26, 5:05 PM EDT | TSTM WND DMG | Manchester, CT | MANY WIRES DOWN DUE TO WIND |
| Jul 26, 5:25 PM EDT | TSTM WND DMG | Columbia, CT | TREE DOWN ON ROUTE 66. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 26, 2:30 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 8.9 hours before the alert went out and 99 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.
- Mixed-layer CAPE
- 76 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 509 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
215
WUUS51 KBOX 262052
SVRBOX
CTC003-013-MAC013-262145-
/O.NEW.KBOX.SV.W.0076.110726T2052Z-110726T2145Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
452 PM EDT TUE JUL 26 2011
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
HARTFORD COUNTY IN NORTHERN CONNECTICUT...
THIS INCLUDES THE CITIES OF...WINDSOR LOCKS...WEST HARTFORD...
NEWINGTON...NEW BRITAIN...MANCHESTER...HARTFORD...EAST HARTFORD...
WESTERN TOLLAND COUNTY IN NORTHERN CONNECTICUT...
THIS INCLUDES THE CITY OF VERNON...
SOUTH CENTRAL HAMPDEN COUNTY IN WESTERN MASSACHUSETTS...
* UNTIL 545 PM EDT
* AT 449 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
EAST GRANBY...OR NEAR WINDSOR LOCKS...AND WAS MOVING EAST AT 25
MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE...LONGMEADOW...WINDSOR...
ENFIELD...EAST WINDSOR...SOUTH WINDSOR...WETHERSFIELD...ROCKY
HILL...SOMERS...GLASTONBURY...ELLINGTON...BOLTON...TOLLAND...
MARLBOROUGH...ANDOVER...COVENTRY...HEBRON AND COLUMBIA.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS AND LARGE HAIL...AS WELL
AS DEADLY LIGHTNING AND TORRENTIAL RAIN. GET TO SAFE SHELTER NOW...
INSIDE A STURDY BUILDING OR IN A VEHICLE. DO NOT SEEK SHELTER UNDER
TREES. IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY
LIGHTNING. DRIVERS SHOULD BE ALERT FOR PONDING OF WATER AND AVOID
FLOODED ROADS.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
TUESDAY EVENING FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND
SOUTHERN NEW HAMPSHIRE AND CENTRAL RHODE ISLAND.
&&
LAT...LON 4208 7266 4197 7228 4167 7228 4164 7233
4160 7232 4159 7234 4159 7241 4158 7242
4160 7248 4164 7251 4163 7266 4170 7300
4172 7301
TIME...MOT...LOC 2052Z 292DEG 21KT 4188 7268
$$
FRANK2 follow-up statements
396
WWUS51 KBOX 262116
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
516 PM EDT TUE JUL 26 2011
MAC013-262126-
/O.CAN.KBOX.SV.W.0076.000000T0000Z-110726T2145Z/
HAMPDEN MA-
516 PM EDT TUE JUL 26 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL HAMPDEN COUNTY
IS CANCELLED...
THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAS MOVED EAST OF
THE REGION.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
TUESDAY EVENING FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND
SOUTHERN NEW HAMPSHIRE AND CENTRAL RHODE ISLAND.
LAT...LON 4168 7268 4174 7274 4193 7247 4197 7228
4167 7228 4164 7233 4160 7232 4159 7234
4159 7241 4158 7242 4160 7248 4164 7251
4163 7266
TIME...MOT...LOC 2116Z 292DEG 21KT 4183 7251
$$
CTC003-013-262145-
/O.CON.KBOX.SV.W.0076.000000T0000Z-110726T2145Z/
HARTFORD CT-TOLLAND CT-
516 PM EDT TUE JUL 26 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR WESTERN TOLLAND AND SOUTHEASTERN HARTFORD COUNTIES...
AT 515 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR VERNON...MOVING EAST AT 25 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MANCHESTER...ROCKVILLE...BOLTON...TOLLAND...STAFFORD SPRINGS...
MARLBOROUGH...ANDOVER...COVENTRY...HEBRON AND COLUMBIA
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS!
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
TUESDAY EVENING FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND
SOUTHERN NEW HAMPSHIRE AND CENTRAL RHODE ISLAND.
&&
LAT...LON 4168 7268 4174 7274 4193 7247 4197 7228
4167 7228 4164 7233 4160 7232 4159 7234
4159 7241 4158 7242 4160 7248 4164 7251
4163 7266
TIME...MOT...LOC 2116Z 292DEG 21KT 4183 7251
$$
FRANK201
WWUS51 KBOX 262143
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
543 PM EDT TUE JUL 26 2011
CTC003-013-262153-
/O.EXP.KBOX.SV.W.0076.000000T0000Z-110726T2145Z/
HARTFORD CT-TOLLAND CT-
543 PM EDT TUE JUL 26 2011
...THE SEVERE THUNDERSTORM WARNING FOR WESTERN TOLLAND AND
SOUTHEASTERN HARTFORD COUNTIES WILL EXPIRE AT 545 PM EDT...
THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAS EXITED THE
REGION. THEREFORE...THE SEVERE THUNDERSTORM WARNING WILL EXPIRE ON
TIME.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
TUESDAY EVENING FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND
SOUTHERN NEW HAMPSHIRE AND CENTRAL RHODE ISLAND.
LAT...LON 4168 7268 4174 7274 4193 7247 4197 7228
4167 7228 4164 7233 4160 7232 4159 7234
4159 7241 4158 7242 4160 7248 4164 7251
4163 7266
TIME...MOT...LOC 2143Z 292DEG 21KT 4177 7231
$$
FRANKThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 4:09 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 66 min |
| Jul 26, 4:51 PM EDT | Tornado Warning | BOX | Northeastern Connecticut Planning Region | 39 min |
| Jul 26, 4:59 PM EDT | Areal Flood Advisory | BOX | Capitol Planning Region, Northeastern Connecticut Planning Region | 98 min |
| Jul 26, 5:06 PM EDT | Severe Thunderstorm Warning | BOX | Northeastern Connecticut Planning Region | 39 min |
| Jul 26, 5:26 PM EDT | Areal Flood Advisory | BOX | Northeastern Connecticut Planning Region | 106 min |
| Jul 26, 5:30 PM EDT | Severe Thunderstorm Warning | BOX | Northeastern Connecticut Planning Region | 45 min |
| Jul 26, 3:13 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire | 62 min |
| Jul 26, 4:10 PM EDT | Special Weather Statement | BOX | Franklin | 65 min |
| Jul 26, 4:14 PM EDT | Areal Flood Advisory | BOX | Franklin, Hampden, Hampshire, Worcester | 99 min |
| Jul 26, 4:15 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 60 min |
| Jul 26, 4:28 PM EDT | Tornado Warning | BOX | Hampden, Hampshire | 47 min |
| Jul 26, 6:22 PM EDT | Areal Flood Advisory | BOX | Bristol, Middlesex, Norfolk, Worcester | 53 min |
Nearby
Severe Thunderstorm Warnings in Connecticut, 2011Severe Thunderstorm Warnings in Massachusetts, 2011Every severe thunderstorm warning in 2011
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.