Alert archive / Connecticut / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 76, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 5, 2012, 6:30 PM EDT for Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut. It was in force for 18 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
- Aug 5, 2012, 6:30 PM EDT (22:30 UTC)
- Expired
- Aug 5, 2012, 6:48 PM EDT
- In force
- 18 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT
The radar
The Boston radar (KBOX), 101 km from the middle of the area, began a volume at 22:32 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, 10.5 hours before the alert went out and 118 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
- 2201 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 477 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
181 WUUS51 KBOX 052230 SVRBOX CTC003-013-015-052330- /O.NEW.KBOX.SV.W.0076.120805T2230Z-120805T2330Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 630 PM EDT SUN AUG 5 2012 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EAST CENTRAL HARTFORD COUNTY IN NORTHERN CONNECTICUT... THIS INCLUDES THE CITIES OF...MANCHESTER...EAST HARTFORD... CENTRAL TOLLAND COUNTY IN NORTHERN CONNECTICUT... THIS INCLUDES THE CITIES OF...VERNON...MANSFIELD... WEST CENTRAL WINDHAM COUNTY IN NORTHERN CONNECTICUT... * UNTIL 730 PM EDT * AT 627 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR MANCHESTER...AND WAS MOVING EAST AT 25 MPH. * SOME LOCATIONS IN THE WARNING INCLUDE...BOLTON...TOLLAND... COVENTRY...WILLINGTON AND ASHFORD. 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. && LAT...LON 4198 7218 4181 7209 4170 7261 4179 7266 TIME...MOT...LOC 2229Z 248DEG 19KT 4178 7252 $$ WTB
1 follow-up statement
697 WWUS51 KBOX 052248 SVSBOX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 648 PM EDT SUN AUG 5 2012 CTC003-013-015-052256- /O.CAN.KBOX.SV.W.0076.000000T0000Z-120805T2330Z/ HARTFORD CT-TOLLAND CT-WINDHAM CT- 648 PM EDT SUN AUG 5 2012 ...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL WINDHAM...CENTRAL TOLLAND AND EAST CENTRAL HARTFORD COUNTIES IS CANCELLED... THE THUNDERSTORM DIMINISHED AS IT MOVED INTO TOLLAND COUNTY. THEREFORE THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED. LAT...LON 4198 7218 4181 7209 4170 7261 4179 7266 TIME...MOT...LOC 2246Z 248DEG 19KT 4181 7241 $$ WTB
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 4:03 AM EDT | Flash Flood Watch | BOX | Capitol Planning Region | 19 hr |
| Aug 5, 2:02 PM EDT | Special Weather Statement | BOX | 58 min | |
| Aug 5, 2:29 PM EDT | Special Weather Statement | BOX | 61 min | |
| Aug 5, 3:33 PM EDT | Special Weather Statement | BOX | 57 min | |
| Aug 5, 4:20 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 40 min |
| Aug 5, 4:58 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 47 min |
| Aug 5, 5:05 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region, Northeastern Connecticut Planning Region | 40 min |
| Aug 5, 5:13 PM EDT | Areal Flood Advisory | BOX | Capitol Planning Region | 3 hr |
| Aug 5, 5:46 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region, Northeastern Connecticut Planning Region | 29 min |
| Aug 5, 5:57 PM EDT | Areal Flood Advisory | BOX | Capitol Planning Region, Northeastern Connecticut Planning Region | 3 hr |
| Aug 5, 7:52 PM EDT | Special Weather Statement | BOX | 83 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.