Alert archive / Connecticut / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 93, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 15, 2012, 5:16 AM EDT for Capitol Planning Region, Connecticut; Hampden County, Massachusetts. It was in force for 44 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 15, 2012, 5:16 AM EDT (09:16 UTC)
- Expired
- Aug 15, 2012, 6:00 AM EDT
- In force
- 44 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
The radar
The Boston radar (KBOX), 118 km from the middle of the area, began a volume at 09:18 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
Albany, NY (KALY), launched 00:00Z, 9.3 hours before the alert went out and 127 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
- 51 J/kg
- Mixed-layer CIN
- -50 J/kg
- Mixed-layer LCL
- 1159 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 142 m²/s²
- 0-3 km storm-relative helicity
- 167 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
802 WUUS51 KBOX 150916 SVRBOX CTC003-013-MAC013-151000- /O.NEW.KBOX.SV.W.0093.120815T0916Z-120815T1000Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 516 AM EDT WED AUG 15 2012 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN HARTFORD COUNTY IN NORTHERN CONNECTICUT... THIS INCLUDES THE CITY OF WINDSOR LOCKS... NORTHWESTERN TOLLAND COUNTY IN NORTHERN CONNECTICUT... SOUTH CENTRAL HAMPDEN COUNTY IN WESTERN MASSACHUSETTS... THIS INCLUDES THE CITY OF SPRINGFIELD... * UNTIL 600 AM EDT * AT 513 AM 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 SUFFIELD...OR NEAR WINDSOR LOCKS...AND WAS MOVING NORTHEAST AT 20 MPH. * SOME LOCATIONS IN THE WARNING INCLUDE...ENFIELD...AGAWAM... LONGMEADOW...SOMERS...EAST LONGMEADOW...HAMPDEN...LUDLOW AND WILBRAHAM. 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 4219 7247 4203 7228 4185 7273 4196 7284 TIME...MOT...LOC 0916Z 233DEG 18KT 4198 7264 $$ FIELD
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 15, 3:48 AM EDT | Areal Flood Advisory | BOX | Capitol Planning Region | 3 hr |
| Aug 15, 5:28 AM EDT | Areal Flood Advisory | BOX | Capitol Planning Region, Northeastern Connecticut Planning Region | 3 hr |
| Aug 15, 6:58 AM EDT | Areal Flood Advisory | BOX | Northeastern Connecticut Planning Region | 113 min |
| Aug 15, 5:43 PM EDT | Special Weather Statement | BOX | 62 min | |
| Aug 15, 5:59 PM EDT | Flash Flood Warning | BOX | Capitol Planning Region | 68 min |
| Aug 15, 4:54 AM EDT | Special Weather Statement | BOX | Franklin | 51 min |
| Aug 15, 6:04 AM EDT | Special Weather Statement | BOX | Worcester | 41 min |
| Aug 15, 6:14 AM EDT | Special Marine Warning | BOX | 61 min | |
| Aug 15, 8:27 AM EDT | Areal Flood Advisory | BOX | Barnstable, Bristol, Essex, Middlesex, Norfolk, Plymouth and 1 more | 93 min |
| Aug 15, 8:46 AM EDT | Flash Flood Warning | BOX | Bristol, Plymouth | 74 min |
| Aug 15, 9:15 AM EDT | Special Marine Warning | BOX | 63 min | |
| Aug 15, 9:41 AM EDT | Special Weather Statement | BOX | Barnstable, Dukes | 64 min |
| Aug 15, 9:51 AM EDT | Areal Flood Advisory | BOX | Barnstable, Bristol, Dukes, Plymouth | 67 min |
| Aug 15, 2:24 PM EDT | Special Weather Statement | BOX | Franklin | 51 min |
| Aug 15, 5:39 PM EDT | Special Weather Statement | BOX | Hampden | 66 min |
| Aug 15, 6:11 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 64 min |
| Aug 15, 6:24 PM EDT | Flash Flood Warning | BOX | Hampden, Hampshire | 3 hr |
| Aug 15, 7:14 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 27 min |
Nearby
Severe Thunderstorm Warnings in Connecticut, 2012Severe Thunderstorm Warnings in Massachusetts, 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.