Alert archive / Connecticut / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 33, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 1, 2012, 2:51 PM EDT for Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut. It was in force for 38 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
- Jul 1, 2012, 2:51 PM EDT (18:51 UTC)
- Expired
- Jul 1, 2012, 3:29 PM EDT
- In force
- 38 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT
The radar
The Brookhaven radar (KOKX), 103 km from the middle of the area, began a volume at 18:52 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 |
|---|---|---|---|
| Jul 1, 1:35 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Brookhaven, NY (KOKX), launched 12:00Z, 6.9 hours before the alert went out and 103 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
- 254 J/kg
- Mixed-layer CIN
- -82 J/kg
- Mixed-layer LCL
- 1757 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
416
WUUS51 KBOX 011851
SVRBOX
CTC003-013-015-011945-
/O.NEW.KBOX.SV.W.0033.120701T1851Z-120701T1945Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
ISSUED BY NATIONAL WEATHER SERVICE NEW YORK NY
251 PM EDT SUN JUL 1 2012
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN HARTFORD COUNTY IN NORTHERN CONNECTICUT...
SOUTHWESTERN WINDHAM COUNTY IN NORTHERN CONNECTICUT...
SOUTHERN TOLLAND COUNTY IN NORTHERN CONNECTICUT...
* UNTIL 345 PM EDT...
* AT 247 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
MARLBOROUGH...OR 7 MILES NORTH OF EAST HAMPTON...AND MOVING
NORTHEAST AT 10 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
HEBRON...BOLTON...ANDOVER...COLUMBIA...WINDHAM...WILLIMANTIC...
MANSFIELD AND COVENTRY
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
LAT...LON 4186 7228 4170 7211 4168 7220 4171 7224
4169 7227 4166 7226 4166 7227 4160 7248
4164 7251 4164 7257 4174 7262
TIME...MOT...LOC 1851Z 238DEG 10KT 4167 7248
$$
JM2 follow-up statements
559
WWUS51 KBOX 011910
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
ISSUED BY NATIONAL WEATHER SERVICE NEW YORK NY
310 PM EDT SUN JUL 1 2012
CTC003-013-015-011945-
/O.CON.KBOX.SV.W.0033.000000T0000Z-120701T1945Z/
TOLLAND CT-WINDHAM CT-HARTFORD CT-
310 PM EDT SUN JUL 1 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM EDT
FOR SOUTHEASTERN HARTFORD...SOUTHWESTERN WINDHAM AND SOUTH CENTRAL
TOLLAND COUNTIES...
AT 305 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR MARLBOROUGH...OR 8 MILES SOUTHEAST OF MANCHESTER...
MOVING NORTHEAST AT 10 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
HEBRON...COLUMBIA...WINDHAM AND WILLIMANTIC
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY! LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.
&&
LAT...LON 4166 7251 4177 7219 4170 7211 4168 7220
4171 7224 4169 7227 4166 7226 4166 7227
4160 7248
TIME...MOT...LOC 1910Z 238DEG 10KT 4170 7242
$$
JM192
WWUS51 KBOX 011929
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
ISSUED BY NATIONAL WEATHER SERVICE NEW YORK NY
329 PM EDT SUN JUL 1 2012
CTC003-013-015-011938-
/O.CAN.KBOX.SV.W.0033.000000T0000Z-120701T1945Z/
TOLLAND CT-WINDHAM CT-HARTFORD CT-
329 PM EDT SUN JUL 1 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HARTFORD...
SOUTHWESTERN WINDHAM AND SOUTH CENTRAL TOLLAND COUNTIES IS
CANCELLED...
THE THUNDERSTORM HAS MOVED SOUTHEAST OUT OF THIS REGION.
LAT...LON 4166 7251 4177 7219 4170 7211 4168 7220
4171 7224 4169 7227 4166 7226 4166 7227
4160 7248
TIME...MOT...LOC 1928Z 238DEG 10KT 4172 7236
$$
JMThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 2:59 PM EDT | Special Weather Statement | BOX | 31 min | |
| Jul 1, 3:04 PM EDT | Severe Thunderstorm Warning | BOX | Northeastern Connecticut Planning Region | 41 min |
| Jul 1, 3:06 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 39 min |
| Jul 1, 3:38 PM EDT | Severe Thunderstorm Warning | BOX | Northeastern Connecticut Planning Region | 52 min |
| Jul 1, 3:44 PM EDT | Severe Thunderstorm Warning | BOX | Northeastern Connecticut Planning Region | 46 min |
| Jul 1, 4:27 PM EDT | Severe Thunderstorm Warning | BOX | Northeastern Connecticut Planning Region | 24 min |
Nearby
Severe Thunderstorm Warnings in Connecticut, 2012Every 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.