Alert archive / Massachusetts / Tornado Warnings in 2011
Tornado Warning 7, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this tornado warning at Jun 1, 2011, 5:46 PM EDT for Middlesex County, Norfolk County, Worcester County, Massachusetts; Northeastern Connecticut Planning Region, Connecticut; Providence County, Rhode Island. It was in force for 44 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
- Jun 1, 2011, 5:46 PM EDT (21:46 UTC)
- Expired
- Jun 1, 2011, 6:30 PM EDT
- In force
- 44 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Northeastern Connecticut Planning Region, CT, Middlesex County, MA, Norfolk County, MA, Worcester County, MA, Providence County, RI
The radar
The Boston radar (KBOX), 28 km from the middle of the area, began a volume at 21:46 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 1, 5:58 PM EDT | HAIL 2 | Millbury, MA | GENERAL PUBLIC |
| Jun 1, 6:02 PM EDT | TSTM WND DMG | Worcester, MA | LARGE BRANCHES DOWN ON COLUMBUS STREET. |
| Jun 1, 6:09 PM EDT | HAIL 1 | Medway, MA | HAM RADIO |
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 1, 12:58 PM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Chatham, MA (KCHH), launched 12:00Z, 9.8 hours before the alert went out and 121 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
- 1250 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 141 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
564
WFUS51 KBOX 012146
TORBOX
CTC015-MAC017-021-027-RIC007-012230-
/O.NEW.KBOX.TO.W.0007.110601T2146Z-110601T2230Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
546 PM EDT WED JUN 1 2011
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* TORNADO WARNING FOR...
EXTREME NORTHEASTERN PROVIDENCE COUNTY IN RHODE ISLAND...
SOUTHEASTERN WORCESTER COUNTY IN CENTRAL MASSACHUSETTS...
THIS INCLUDES THE CITIES OF...WORCESTER...MILFORD...
NORFOLK COUNTY IN EASTERN MASSACHUSETTS...
THIS INCLUDES THE CITY OF FRANKLIN...
EXTREME NORTHEASTERN WINDHAM COUNTY IN NORTHERN CONNECTICUT...
SOUTH CENTRAL MIDDLESEX COUNTY IN SOUTHEAST MASSACHUSETTS...
* UNTIL 630 PM EDT
* AT 541 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A TORNADO NEAR MILLBURY...OR 11 MILES SOUTH OF WORCESTER...MOVING
EAST AT 35 MPH.
* SOME LOCATIONS IN THE WARNING INCLUDE...GRAFTON...WHITINSVILLE...
NORTHBRIDGE...UXBRIDGE...UPTON...WESTBOROUGH...MILLVILLE...
MENDON...HOPEDALE...BLACKSTONE...HOPKINTON...BELLINGHAM...
ASHLAND...HOLLISTON...MEDWAY...SHERBORN...MILLIS...WRENTHAM...
NORFOLK...MEDFIELD...DOVER...FOXBOROUGH...WALPOLE...NEEDHAM...
WESTWOOD...NORWOOD...SHARON...DEDHAM...STOUGHTON...RANDOLPH...
MILTON...HOLBROOK...CANTON AND AVON.
WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS A
TORNADO MAY ALREADY BE ON THE GROUND OR IS EXPECTED TO DEVELOP
SHORTLY. TAKE COVER NOW! MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE
OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING
FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE
AND CENTRAL RHODE ISLAND.
&&
LAT...LON 4213 7100 4201 7131 4202 7187 4227 7190
4228 7119 4225 7114 4223 7113 4225 7111
4226 7111 4228 7101
TIME...MOT...LOC 2146Z 265DEG 32KT 4211 7169
$$
BELK2 follow-up statements
590
WWUS51 KBOX 012209
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
609 PM EDT WED JUN 1 2011
CTC015-RIC007-012218-
/O.CAN.KBOX.TO.W.0007.000000T0000Z-110601T2230Z/
WINDHAM CT-PROVIDENCE RI-
609 PM EDT WED JUN 1 2011
...THE TORNADO WARNING FOR EXTREME NORTHEASTERN PROVIDENCE AND
EXTREME NORTHEASTERN WINDHAM COUNTIES IS CANCELLED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING
FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE
AND CENTRAL RHODE ISLAND.
LAT...LON 4203 7130 4206 7154 4223 7152 4224 7121
4225 7114 4223 7113 4225 7110 4228 7103
4228 7101 4213 7100
TIME...MOT...LOC 2208Z 265DEG 32KT 4213 7143
$$
MAC017-021-027-012230-
/O.CON.KBOX.TO.W.0007.000000T0000Z-110601T2230Z/
MIDDLESEX MA-WORCESTER MA-NORFOLK MA-
609 PM EDT WED JUN 1 2011
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM EDT FOR
NORFOLK...EXTREME SOUTHEASTERN WORCESTER AND EXTREME SOUTH CENTRAL
MIDDLESEX COUNTIES...
AT 604 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR AND STORM
SPOTTERS WERE TRACKING AN EXTREMELY DANGEROUS TORNADO. THIS TORNADO
WAS LOCATED NEAR BELLINGHAM...OR NEAR MILFORD...MOVING EAST AT
35 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MEDWAY...FRANKLIN...MILLIS...WRENTHAM...NORFOLK...MEDFIELD...
FOXBOROUGH...WALPOLE...WESTWOOD...NORWOOD...SHARON...STOUGHTON...
RANDOLPH...QUINCY...MILTON...HOLBROOK AND CANTON
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING
FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE
AND CENTRAL RHODE ISLAND.
&&
LAT...LON 4203 7130 4206 7154 4223 7152 4224 7121
4225 7114 4223 7113 4225 7110 4228 7103
4228 7101 4213 7100
TIME...MOT...LOC 2208Z 265DEG 32KT 4213 7143
$$
BELK672
WWUS51 KBOX 012229
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
629 PM EDT WED JUN 1 2011
MAC017-021-027-012240-
/O.EXP.KBOX.TO.W.0007.000000T0000Z-110601T2230Z/
MIDDLESEX MA-WORCESTER MA-NORFOLK MA-
629 PM EDT WED JUN 1 2011
...THE TORNADO WARNING FOR NORFOLK...EXTREME SOUTHEASTERN WORCESTER
AND SOUTH CENTRAL MIDDLESEX COUNTIES HAS EXPIRED...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING
FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE
AND CENTRAL RHODE ISLAND.
LAT...LON 4203 7130 4206 7154 4223 7152 4224 7121
4225 7114 4223 7113 4225 7110 4228 7103
4228 7101 4213 7100
TIME...MOT...LOC 2230Z 265DEG 32KT 4215 7117
$$
DOODYThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 8:25 AM EDT | Special Weather Statement | BOX | Middlesex | 50 min |
| Jun 1, 8:32 AM EDT | Severe Thunderstorm Warning | BOX | Essex, Middlesex | 43 min |
| Jun 1, 8:48 AM EDT | Special Weather Statement | BOX | Suffolk | 42 min |
| Jun 1, 8:50 AM EDT | Special Marine Warning | BOX | 71 min | |
| Jun 1, 8:55 AM EDT | Special Weather Statement | BOX | Bristol | 50 min |
| Jun 1, 9:12 AM EDT | Special Weather Statement | BOX | Plymouth | 48 min |
| Jun 1, 9:40 AM EDT | Special Marine Warning | BOX | 50 min | |
| Jun 1, 9:41 AM EDT | Special Marine Warning | BOX | 64 min | |
| Jun 1, 10:00 AM EDT | Special Marine Warning | BOX | 39 min | |
| Jun 1, 10:22 AM EDT | Special Weather Statement | BOX | Barnstable | 38 min |
| Jun 1, 10:36 AM EDT | Special Marine Warning | BOX | 54 min | |
| Jun 1, 2:37 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire | 53 min |
| Jun 1, 2:58 PM EDT | Special Weather Statement | BOX | Hampshire | 62 min |
| Jun 1, 3:09 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 51 min |
| Jun 1, 3:28 PM EDT | Tornado Warning | BOX | Franklin, Hampden, Hampshire | 32 min |
| Jun 1, 3:32 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Middlesex, Worcester | 40 min |
| Jun 1, 3:56 PM EDT | Areal Flood Advisory | BOX | Franklin, Hampden, Hampshire | 3 hr |
| Jun 1, 4:05 PM EDT | Tornado Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 40 min |
| Jun 1, 4:15 PM EDT | Areal Flood Advisory | BOX | Franklin, Hampden, Hampshire, Worcester | 3 hr |
| Jun 1, 4:18 PM EDT | Severe Thunderstorm Warning | BOX | Hampden, Hampshire, Worcester | 42 min |
| Jun 1, 4:30 PM EDT | Tornado Warning | BOX | Hampden, Hampshire, Worcester | 45 min |
| Jun 1, 4:44 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Middlesex, Norfolk, Worcester | 61 min |
| Jun 1, 4:51 PM EDT | Areal Flood Advisory | BOX | Franklin, Hampshire, Worcester | 3 hr |
| Jun 1, 5:01 PM EDT | Tornado Warning | BOX | Franklin, Hampden, Hampshire, Middlesex, Norfolk, Worcester | 44 min |
| Jun 1, 5:06 PM EDT | Areal Flood Advisory | BOX | Hampden, Worcester | 3 hr |
| Jun 1, 5:17 PM EDT | Flash Flood Warning | BOX | Middlesex, Worcester | 3 hr |
| Jun 1, 5:17 PM EDT | Tornado Warning | BOX | Hampden, Norfolk, Worcester | 29 min |
| Jun 1, 5:38 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Norfolk, Worcester | 67 min |
| Jun 1, 5:49 PM EDT | Flash Flood Warning | BOX | Bristol, Middlesex, Norfolk, Worcester | 3 hr |
| Jun 1, 5:54 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Worcester | 52 min |
| Jun 1, 5:57 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 26 min |
| Jun 1, 6:00 PM EDT | Severe Thunderstorm Warning | BOX | Worcester | 45 min |
| Jun 1, 6:07 PM EDT | Tornado Warning | BOX | Hampden, Hampshire, Worcester | 53 min |
| Jun 1, 6:20 PM EDT | Special Marine Warning | BOX | 28 min | |
| Jun 1, 6:29 PM EDT | Areal Flood Advisory | BOX | Bristol, Norfolk, Plymouth, Suffolk | 2 hr |
| Jun 1, 6:31 PM EDT | Special Weather Statement | BOX | Norfolk | 59 min |
| Jun 1, 6:44 PM EDT | Special Weather Statement | BOX | Bristol, Plymouth | 61 min |
| Jun 1, 6:44 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Middlesex, Worcester | 30 min |
| Jun 1, 6:57 PM EDT | Tornado Warning | BOX | Hampden, Worcester | 63 min |
| Jun 1, 7:12 PM EDT | Tornado Warning | BOX | Franklin, Middlesex, Worcester | 48 min |
| Jun 1, 7:14 PM EDT | Special Marine Warning | BOX | 91 min | |
| Jun 1, 7:15 PM EDT | Areal Flood Advisory | BOX | Franklin, Middlesex, Worcester | 104 min |
| Jun 1, 7:55 PM EDT | Special Weather Statement | BOX | Bristol | 35 min |
| Jun 1, 7:56 PM EDT | Special Weather Statement | BOX | Hampden | 34 min |
| Jun 1, 7:57 PM EDT | Severe Thunderstorm Warning | BOX | Bristol, Middlesex, Norfolk, Plymouth, Suffolk, Worcester | 24 min |
| Jun 1, 7:59 PM EDT | Areal Flood Advisory | BOX | Hampden, Hampshire, Worcester | 66 min |
| Jun 1, 5:25 PM EDT | Special Weather Statement | BOX | 50 min |
Nearby
Tornado Warnings in Massachusetts, 2011Tornado Warnings in Connecticut, 2011Tornado Warnings in Rhode Island, 2011Every tornado warning in 2011Tornadoes 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.