Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 59, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 6, 2011, 8:23 PM EDT for 4 counties in Massachusetts. It was in force for 52 min. 3 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
- Jul 6, 2011, 8:23 PM EDT (00:23 UTC)
- Expired
- Jul 6, 2011, 9:15 PM EDT
- In force
- 52 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Franklin County, MA, Hampden County, MA, Hampshire County, MA, Worcester County, MA
The radar
The Boston radar (KBOX), 88 km from the middle of the area, began a volume at 00:24 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 |
|---|---|---|---|
| Jul 6, 8:26 PM EDT | TSTM WND DMG | Ludlow, MA | TREE DOWN ON WIRES ON CHAPIN STREET |
| Jul 6, 8:28 PM EDT | HAIL 0.88 | Ludlow, MA | NICKEL SIZE HAIL ON THE MASSACHUSETTS TURNPIKE |
| Jul 6, 8:29 PM EDT | TSTM WND DMG | Ludlow, MA | TREES DOWN ON WIRES ON MILLER AND EAST STREETS |
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 |
|---|---|---|---|
| Jul 6, 1:29 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Albany, NY (KALY), launched 00:00Z, 0.4 hours before the alert went out and 148 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 0 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
967 WUUS51 KBOX 070023 SVRBOX MAC011-013-015-027-070115- /O.NEW.KBOX.SV.W.0059.110707T0023Z-110707T0115Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TAUNTON MA 823 PM EDT WED JUL 6 2011 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN WORCESTER COUNTY IN CENTRAL MASSACHUSETTS... EXTREME SOUTHEASTERN FRANKLIN COUNTY IN WESTERN MASSACHUSETTS... EAST CENTRAL HAMPDEN COUNTY IN WESTERN MASSACHUSETTS... THIS INCLUDES THE CITY OF SPRINGFIELD... SOUTHEASTERN HAMPSHIRE COUNTY IN WESTERN MASSACHUSETTS... * UNTIL 915 PM EDT * AT 820 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 LUDLOW...OR 6 MILES EAST OF CHICOPEE...AND WAS MOVING EAST AT 25 MPH. * SOME LOCATIONS IN THE WARNING INCLUDE...BELCHERTOWN...PALMER... MONSON...WARE...WARREN...WALES...BRIMFIELD...NEW BRAINTREE...WEST BROOKFIELD...BROOKFIELD...NORTH BROOKFIELD...EAST BROOKFIELD... WEBSTER...STURBRIDGE...SPENCER...SOUTHBRIDGE...PAXTON...OXFORD... LEICESTER...DUDLEY AND CHARLTON. A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT WEDNESDAY EVENING FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE. && LAT...LON 4235 7188 4203 7187 4210 7257 4234 7245 TIME...MOT...LOC 0023Z 278DEG 19KT 4218 7243 $$ FRANK
1 follow-up statement
201
WWUS51 KBOX 070051
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
851 PM EDT WED JUL 6 2011
MAC011-070058-
/O.CAN.KBOX.SV.W.0059.000000T0000Z-110707T0115Z/
FRANKLIN MA-
851 PM EDT WED JUL 6 2011
...THE SEVERE THUNDERSTORM WARNING FOR EXTREME SOUTHEASTERN FRANKLIN
COUNTY IS CANCELLED...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
WEDNESDAY EVENING FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND
SOUTHERN NEW HAMPSHIRE.
LAT...LON 4222 7232 4231 7212 4234 7189 4203 7188
4209 7249
TIME...MOT...LOC 0048Z 278DEG 19KT 4216 7225
$$
MAC013-015-027-070115-
/O.CON.KBOX.SV.W.0059.000000T0000Z-110707T0115Z/
WORCESTER MA-HAMPSHIRE MA-HAMPDEN MA-
851 PM EDT WED JUL 6 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM EDT
FOR EAST CENTRAL HAMPDEN...EXTREME SOUTHEASTERN HAMPSHIRE AND
SOUTHWESTERN WORCESTER COUNTIES...
AT 845 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A LINE OF SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING
WINDS IN EXCESS OF 60 MPH...LOCATED FROM PAXTON TO WEST BROOKFIELD
TO PALMER. THE LINE WAS MOVING TO THE EAST AT 20 MPH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM EDT
WEDNESDAY EVENING FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND
SOUTHERN NEW HAMPSHIRE.
&&
LAT...LON 4222 7232 4231 7212 4234 7189 4203 7188
4209 7249
TIME...MOT...LOC 0048Z 278DEG 19KT 4216 7225
$$
FIELDThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 9:00 PM EDT | Special Weather Statement | BOX | Worcester | 60 min |
| Jul 6, 9:14 PM EDT | Special Weather Statement | BOX | Hampshire | 61 min |
| Jul 6, 9:50 PM EDT | Special Weather Statement | BOX | Hampden | 40 min |
Nearby
Severe 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.