Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 26, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 8, 2011, 8:12 PM EDT for Franklin County, Hampden County, Hampshire County, Massachusetts; Capitol Planning Region, Connecticut. It was in force for 48 min. 4 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
- Jun 8, 2011, 8:12 PM EDT (00:12 UTC)
- Expired
- Jun 8, 2011, 9:00 PM EDT
- In force
- 48 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Capitol Planning Region, CT, Franklin County, MA, Hampden County, MA, Hampshire County, MA
The radar
The Albany radar (KENX), 101 km from the middle of the area, began a volume at 00:12 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 |
|---|---|---|---|
| Jun 8, 8:23 PM EDT | HAIL 0.88 | Worthington, MA | |
| Jun 8, 8:29 PM EDT | TSTM WND DMG | Worthington, MA | SEVERAL TREES DOWN UP TO 8 INCHES IN DIAMETER ON WEST STREET |
| Jun 8, 8:30 PM EDT | TSTM WND DMG | Chesterfield, MA | SEVERAL TREES DOWN OFF ROUTE 143 ON A DIRT ROAD |
| Jun 8, 8:52 PM EDT | TSTM WND DMG | Westfield, MA | LARGE TREE DOWN ON GRANVILLE ROAD |
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 |
|---|---|---|---|
| Jun 8, 6:45 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Albany, NY (KALY), launched 00:00Z, 0.2 hours before the alert went out and 90 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
- 3772 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 1390 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 167 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 10.5
The text
As transmitted, in the capitals the NWS used until 2016.
120
WUUS51 KBOX 090012
SVRBOX
CTC003-MAC011-013-015-090100-
/O.NEW.KBOX.SV.W.0026.110609T0012Z-110609T0100Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
812 PM EDT WED JUN 8 2011
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN HARTFORD COUNTY IN NORTHERN CONNECTICUT...
SOUTHWESTERN FRANKLIN COUNTY IN WESTERN MASSACHUSETTS...
WESTERN HAMPDEN COUNTY IN WESTERN MASSACHUSETTS...
WESTERN HAMPSHIRE COUNTY IN WESTERN MASSACHUSETTS...
THIS INCLUDES THE CITY OF NORTHAMPTON...
* UNTIL 900 PM EDT
* AT 805 PM EDT...TRAINED SPOTTERS REPORTED A LINE OF SEVERE
THUNDERSTORMS PRODUCING QUARTER TO TWO INCH SIZE HAIL. THESE
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 20 MILES NORTHWEST
OF EAST WINDSOR TO 16 MILES WEST OF EAST WINDSOR TO 17 MILES WEST
OF MIDDLEFIELD TO 30 MILES WEST OF MIDDLEFIELD TO 44 MILES WEST
OF MIDDLEFIELD...OR ALONG A LINE EXTENDING FROM 9 MILES WEST OF
NORTH ADAMS TO 17 MILES SOUTHWEST OF NORTH ADAMS TO 25 MILES
SOUTHWEST OF NORTH ADAMS TO 36 MILES SOUTHWEST OF NORTH ADAMS TO
48 MILES NORTHWEST OF TORRINGTON...AND WAS MOVING SOUTHEAST AT 45
MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE...HAWLEY...PLAINFIELD...
CHESTER...WORTHINGTON...CUMMINGTON...ASHFIELD...HUNTINGTON...
BLANDFORD...CHESTERFIELD...GOSHEN...TOLLAND...CONWAY...RUSSELL...
MONTGOMERY...GRANVILLE...WESTHAMPTON...WILLIAMSBURG...WHATELY...
SOUTHAMPTON...SUNDERLAND...WESTFIELD...SOUTHWICK...HATFIELD...
EASTHAMPTON...HADLEY...WEST SPRINGFIELD...HOLYOKE...AGAWAM...
SUFFIELD...GRANBY AND EAST GRANBY.
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 4214 7308 4216 7303 4225 7301 4230 7301
4233 7307 4239 7307 4240 7301 4264 7296
4264 7295 4249 7256 4205 7259 4194 7264
4187 7295 4197 7290 4197 7303 4203 7302
4204 7306 4211 7308
TIME...MOT...LOC 0010Z 309DEG 40KT 4262 7323 4244 7323
4234 7328 4227 7354 4223 7381
$$
SIPPRELL1 follow-up statement
575
WWUS51 KBOX 090033
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
833 PM EDT WED JUN 8 2011
CTC003-MAC011-013-015-090100-
/O.CON.KBOX.SV.W.0026.000000T0000Z-110609T0100Z/
HARTFORD CT-FRANKLIN MA-HAMPSHIRE MA-HAMPDEN MA-
833 PM EDT WED JUN 8 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM EDT
FOR WESTERN HAMPDEN...WESTERN HAMPSHIRE...SOUTHWESTERN FRANKLIN AND
NORTHWESTERN HARTFORD COUNTIES...
AT 827 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A LINE OF SEVERE
THUNDERSTORMS PRODUCING NICKEL SIZE HAIL AND ESTIMATED 50 MPH WINDS
IN WORTHINGTON MASSACHUSETTS.
THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM HAWLEY TO EAST
WINDSOR TO MIDDLEFIELD TO 7 MILES SOUTHWEST OF CHESTER TO 17 MILES
WEST OF TOLLAND TO 31 MILES WEST OF TOLLAND...OR ALONG A LINE
EXTENDING FROM 11 MILES SOUTHEAST OF NORTH ADAMS TO 16 MILES SOUTH
OF NORTH ADAMS TO 18 MILES WEST OF NORTHAMPTON TO 22 MILES WEST OF
NORTHAMPTON TO 24 MILES NORTHWEST OF TORRINGTON TO 31 MILES
NORTHWEST OF TORRINGTON...MOVING SOUTHEAST AT 45 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
PLAINFIELD...CUMMINGTON...WORTHINGTON...BLANDFORD...ASHFIELD...
HUNTINGTON...CHESTERFIELD...GOSHEN...RUSSELL...CONWAY...MONTGOMERY...
GRANVILLE...WESTHAMPTON...WILLIAMSBURG...WESTFIELD...SOUTHAMPTON...
WHATELY...SUNDERLAND...SOUTHWICK...EASTHAMPTON...HATFIELD...HADLEY...
WEST SPRINGFIELD...AGAWAM...SUFFIELD...GRANBY...EAST GRANBY AND
HOLYOKE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...LARGE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
HAIL UP TO TWO INCHES IN DIAMETER HAS BEEN REPORTED IN PITTSFIELD
MASSACHUSETTS WITH THIS STORM. IF YOU ARE IN THE PATH OF THE
STORM...TAKE IMMEDIATE ACTION TO PROTECT LIFE AND PROPERTY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
WEDNESDAY EVENING FOR NORTHERN CONNECTICUT AND SOUTHERN MASSACHUSETTS
AND SOUTHERN NEW HAMPSHIRE.
&&
LAT...LON 4214 7308 4216 7303 4225 7301 4230 7301
4233 7307 4239 7307 4240 7301 4264 7296
4264 7295 4249 7256 4205 7259 4194 7264
4187 7295 4197 7290 4197 7303 4203 7302
4204 7306 4211 7308
TIME...MOT...LOC 0031Z 309DEG 40KT 4257 7289 4244 7297
4229 7299 4219 7304 4212 7330 4208 7357
$$
SIPPRELLThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 8:37 PM EDT | Special Weather Statement | BOX | Franklin | 23 min |
| Jun 8, 8:56 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 49 min |
| Jun 8, 9:42 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Norfolk, Worcester | 48 min |
| Jun 8, 10:21 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Norfolk, Plymouth | 24 min |
| Jun 8, 10:33 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Plymouth | 42 min |
| Jun 8, 10:34 PM EDT | Special Marine Warning | BOX | 41 min | |
| Jun 8, 10:41 PM EDT | Special Marine Warning | BOX | 49 min | |
| Jun 8, 10:51 PM EDT | Special Marine Warning | BOX | 39 min | |
| Jun 8, 10:52 PM EDT | Severe Thunderstorm Warning | BOX | Barnstable, Bristol, Dukes, Plymouth | 38 min |
| Jun 8, 11:17 PM EDT | Special Marine Warning | BOX | 58 min | |
| Jun 9, 12:19 AM EDT | Special Marine Warning | BOX | 41 min | |
| Jun 9, 12:37 AM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 38 min |
| Jun 9, 1:04 AM EDT | Severe Thunderstorm Warning | BOX | Hampden, Worcester | 41 min |
| Jun 9, 1:40 AM EDT | Severe Thunderstorm Warning | BOX | Bristol | 50 min |
| Jun 9, 2:12 AM EDT | Special Marine Warning | BOX | 48 min | |
| Jun 9, 2:22 AM EDT | Severe Thunderstorm Warning | BOX | Bristol, Plymouth | 23 min |
| Jun 9, 2:36 AM EDT | Special Marine Warning | BOX | 54 min | |
| Jun 9, 2:42 AM EDT | Severe Thunderstorm Warning | BOX | Barnstable, Bristol, Dukes, Plymouth | 27 min |
| Jun 9, 2:53 AM EDT | Special Marine Warning | BOX | 52 min | |
| Jun 9, 8:38 AM EDT | Special Weather Statement | BOX | Norfolk, Plymouth | 52 min |
| Jun 9, 10:21 AM EDT | Special Weather Statement | BOX | Hampshire | 39 min |
| Jun 9, 10:24 AM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire | 22 min |
| Jun 9, 3:00 PM EDT | Special Weather Statement | BOX | Franklin, Hampshire | 90 min |
| Jun 9, 3:06 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire | 54 min |
| Jun 9, 3:55 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire, Middlesex, Worcester | 65 min |
| Jun 9, 3:57 PM EDT | Special Marine Warning | BOX | 108 min | |
| Jun 9, 4:00 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 60 min |
| Jun 9, 4:23 PM EDT | Severe Thunderstorm Warning | BOX | Essex, Franklin, Hampshire, Middlesex, Norfolk, Suffolk and 1 more | 67 min |
| Jun 9, 4:54 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire, Middlesex, Worcester | 54 min |
| Jun 9, 5:00 PM EDT | Special Marine Warning | BOX | 2 hr | |
| Jun 9, 5:24 PM EDT | Severe Thunderstorm Warning | BOX | Barnstable, Bristol, Essex, Middlesex, Norfolk, Plymouth and 2 more | 66 min |
| Jun 9, 5:38 PM EDT | Special Marine Warning | BOX | 112 min | |
| Jun 9, 5:52 PM EDT | Severe Thunderstorm Warning | BOX | Bristol | 53 min |
| Jun 9, 6:13 PM EDT | Severe Thunderstorm Warning | BOX | Barnstable, Bristol, Plymouth | 62 min |
| Jun 9, 6:14 PM EDT | Special Marine Warning | BOX | 2 hr | |
| Jun 9, 6:49 PM EDT | Severe Thunderstorm Warning | BOX | Barnstable, Dukes, Nantucket | 56 min |
| Jun 8, 9:23 PM EDT | Special Weather Statement | BOX | 22 min | |
| Jun 9, 6:54 AM EDT | Severe Thunderstorm Warning | BOX | Northeastern Connecticut Planning Region | 51 min |
| Jun 9, 4:39 PM EDT | Severe Thunderstorm Warning | BOX | Capitol Planning Region | 66 min |
| Jun 9, 4:46 PM EDT | Areal Flood Advisory | BOX | Capitol Planning Region | 3 hr |
Nearby
Severe Thunderstorm Warnings in Massachusetts, 2011Severe Thunderstorm Warnings in Connecticut, 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.