Alert archive / Connecticut / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 82, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 1, 2011, 2:13 PM EDT for Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut; Hampden County, Massachusetts. It was in force for 47 min. 7 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
- Aug 1, 2011, 2:13 PM EDT (18:13 UTC)
- Expired
- Aug 1, 2011, 3:00 PM EDT
- In force
- 47 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT, Hampden County, MA
The radar
The Boston radar (KBOX), 101 km from the middle of the area, began a volume at 18:13 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 |
|---|---|---|---|
| Aug 1, 2:13 PM EDT | HAIL 0.88 | Springfield, MA | |
| Aug 1, 2:16 PM EDT | HAIL 0.75 | Longmeadow, MA | |
| Aug 1, 2:25 PM EDT | HAIL 0.75 | Springfield, MA | |
| Aug 1, 2:25 PM EDT | HAIL 1.75 | Ludlow, MA | FALLING ON MOORE ST |
| Aug 1, 2:31 PM EDT | HAIL 0.75 | East Longmeadow, MA | |
| Aug 1, 2:38 PM EDT | HAIL 0.75 | Wilbraham, MA | |
| Aug 1, 2:42 PM EDT | HAIL 0.75 | Monson, MA | FALLING ON COTE RD |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Albany, NY (KALY), launched 12:00Z, 6.2 hours before the alert went out and 139 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
- 1159 J/kg
- Mixed-layer CIN
- -92 J/kg
- Mixed-layer LCL
- 824 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 96 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
883 WUUS51 KBOX 011813 SVRBOX CTC003-013-015-MAC013-011900- /O.NEW.KBOX.SV.W.0082.110801T1813Z-110801T1900Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 213 PM EDT MON AUG 1 2011 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN HARTFORD COUNTY IN NORTHERN CONNECTICUT... NORTHERN TOLLAND COUNTY IN NORTHERN CONNECTICUT... EXTREME NORTHWESTERN WINDHAM COUNTY IN NORTHERN CONNECTICUT... SOUTHEASTERN HAMPDEN COUNTY IN WESTERN MASSACHUSETTS... THIS INCLUDES THE CITIES OF...SPRINGFIELD...CHICOPEE... * UNTIL 300 PM EDT * AT 209 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR SPRINGFIELD...AND WAS MOVING EAST AT 20 MPH. NICKEL SIZED HAIL WAS RECENTLY REPORTED ON LIBERTY STREET IN SPRINGFIELD. * SOME LOCATIONS IN THE WARNING INCLUDE...EAST LONGMEADOW...LUDLOW... WILBRAHAM...HAMPDEN...MONSON...STAFFORD...WALES AND BRIMFIELD. 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 4215 7216 4194 7221 4202 7261 4218 7260 TIME...MOT...LOC 1813Z 280DEG 16KT 4210 7253 $$ JWD
2 follow-up statements
484 WWUS51 KBOX 011832 SVSBOX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 232 PM EDT MON AUG 1 2011 CTC003-013-015-MAC013-011900- /O.CON.KBOX.SV.W.0082.000000T0000Z-110801T1900Z/ HARTFORD CT-TOLLAND CT-WINDHAM CT-HAMPDEN MA- 232 PM EDT MON AUG 1 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 300 PM EDT FOR SOUTHEASTERN HAMPDEN...EXTREME NORTHWESTERN WINDHAM...NORTHERN TOLLAND AND NORTHEASTERN HARTFORD COUNTIES... AT 227 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING GOLF BALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR HAMPDEN...OR NEAR SPRINGFIELD...MOVING EAST AT 20 MPH. ANOTHER SEVERE THUNDERSTORM WAS LOCATED NEAR CHICOPEE AND WAS MOVING SOUTHEAST AT 20 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PALMER...MONSON...STAFFORD...WALES AND BRIMFIELD. PRECAUTIONARY/PREPAREDNESS ACTIONS... THESE ARE DANGEROUS STORMS. IF YOU ARE IN THE PATH...PREPARE IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. && LAT...LON 4215 7216 4194 7221 4202 7261 4218 7260 TIME...MOT...LOC 1832Z 280DEG 16KT 4208 7242 $$ JWD
781 WWUS51 KBOX 011857 SVSBOX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 257 PM EDT MON AUG 1 2011 CTC003-013-015-MAC013-011906- /O.EXP.KBOX.SV.W.0082.000000T0000Z-110801T1900Z/ HARTFORD CT-TOLLAND CT-WINDHAM CT-HAMPDEN MA- 257 PM EDT MON AUG 1 2011 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HAMPDEN...EXTREME NORTHWESTERN WINDHAM...NORTHERN TOLLAND AND NORTHEASTERN HARTFORD COUNTIES WILL EXPIRE AT 300 PM EDT... AS OF 255 PM...THE THUNDERSTORM WEAKENED OVER MONSON AND WAS NO LONGER CAPABLE OF PRODUCING LARGE HAIL OR DAMAGING WINDS. HOWEVER THE STORM WILL PRODUCE TORRENTIAL RAINFALL AND FREQUENT LIGHTNING. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT MONDAY EVENING FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE AND RHODE ISLAND. && LAT...LON 4215 7216 4194 7221 4202 7261 4218 7260 TIME...MOT...LOC 1856Z 280DEG 16KT 4206 7228 $$ JWD
The office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 2:19 PM EDT | Flash Flood Warning | BOX | Capitol Planning Region, Northeastern Connecticut Planning Region | 116 min |
| Aug 1, 3:05 PM EDT | Severe Thunderstorm Warning | BOX | Northeastern Connecticut Planning Region | 17 min |
| Aug 1, 3:41 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 49 min |
| Aug 1, 4:00 PM EDT | Special Weather Statement | BOX | 45 min | |
| Aug 1, 4:15 PM EDT | Areal Flood Advisory | BOX | Capitol Planning Region | 3 hr |
| Aug 1, 4:18 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 29 min |
| Aug 1, 4:35 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 24 min |
| Aug 1, 4:45 PM EDT | Special Weather Statement | BOX | 45 min | |
| Aug 1, 5:10 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 35 min |
| Aug 1, 6:03 PM EDT | Special Weather Statement | BOX | 42 min | |
| Aug 1, 12:37 PM EDT | Special Weather Statement | BOX | Hampshire | 53 min |
| Aug 1, 1:24 PM EDT | Special Weather Statement | BOX | Hampshire | 51 min |
| Aug 1, 1:27 PM EDT | Areal Flood Advisory | BOX | Franklin, Hampshire, Worcester | 3 hr |
| Aug 1, 1:34 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire, Worcester | 19 min |
| Aug 1, 1:41 PM EDT | Flash Flood Warning | BOX | Franklin, Hampshire, Worcester | 3 hr |
| Aug 1, 1:55 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 35 min |
| Aug 1, 2:03 PM EDT | Special Weather Statement | BOX | Franklin | 42 min |
| Aug 1, 2:08 PM EDT | Special Weather Statement | BOX | Hampden | 52 min |
| Aug 1, 2:19 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire | 41 min |
| Aug 1, 3:01 PM EDT | Special Weather Statement | BOX | Worcester | 59 min |
| Aug 1, 3:10 PM EDT | Special Weather Statement | BOX | Franklin | 50 min |
| Aug 1, 3:14 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire, Worcester | 38 min |
| Aug 1, 3:18 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Worcester | 42 min |
| Aug 1, 3:30 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 45 min |
| Aug 1, 3:33 PM EDT | Special Weather Statement | BOX | Hampden | 57 min |
| Aug 1, 3:40 PM EDT | Areal Flood Advisory | BOX | Franklin, Worcester | 113 min |
| Aug 1, 3:59 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Worcester | 61 min |
| Aug 1, 4:07 PM EDT | Flash Flood Warning | BOX | Franklin, Worcester | 82 min |
| Aug 1, 4:08 PM EDT | Special Weather Statement | BOX | Essex | 67 min |
| Aug 1, 4:31 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Worcester | 27 min |
| Aug 1, 4:37 PM EDT | Special Weather Statement | BOX | Franklin | 23 min |
| Aug 1, 4:42 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire, Worcester | 63 min |
| Aug 1, 4:55 PM EDT | Areal Flood Advisory | BOX | Franklin, Hampshire, Worcester | 3 hr |
| Aug 1, 5:29 PM EDT | Special Weather Statement | BOX | Franklin | 31 min |
| Aug 1, 6:29 PM EDT | Special Weather Statement | BOX | Hampshire | 46 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.