Alert archive / Massachusetts / Tornado Warnings in 2011
Tornado Warning 3, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this tornado warning at Jun 1, 2011, 4:05 PM EDT for 4 counties in Massachusetts. It was in force for 40 min. 1 report 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, 4:05 PM EDT (20:05 UTC)
- Expired
- Jun 1, 2011, 4:45 PM EDT
- In force
- 40 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), 97 km from the middle of the area, began a volume at 20:08 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, 4:10 PM EDT | HAIL 1.75 | Belchertown, MA |
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
Albany, NY (KALY), launched 12:00Z, 8.1 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
- 2410 J/kg
- Mixed-layer CIN
- -130 J/kg
- Mixed-layer LCL
- 836 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 159 m²/s²
- 0-3 km storm-relative helicity
- 189 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.5
The text
As transmitted, in the capitals the NWS used until 2016.
749 WFUS51 KBOX 012005 TORBOX MAC011-013-015-027-012045- /O.NEW.KBOX.TO.W.0003.110601T2005Z-110601T2045Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TAUNTON MA 405 PM EDT WED JUN 1 2011 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * TORNADO WARNING FOR... WEST CENTRAL WORCESTER COUNTY IN CENTRAL MASSACHUSETTS... EXTREME SOUTHEASTERN FRANKLIN COUNTY IN WESTERN MASSACHUSETTS... EAST CENTRAL HAMPDEN COUNTY IN WESTERN MASSACHUSETTS... SOUTHEASTERN HAMPSHIRE COUNTY IN WESTERN MASSACHUSETTS... * UNTIL 445 PM EDT * AT 359 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR GRANBY...OR 6 MILES SOUTH OF AMHERST...MOVING EAST AT 35 MPH. * THIS STORM HAS A HISTORY OF PRODUCING GOLF BALL SIZED HAIL. * SOME LOCATIONS IN THE WARNING INCLUDE...BELCHERTOWN...WARE... HARDWICK...WARREN...WEST BROOKFIELD...NEW BRAINTREE...BROOKFIELD... NORTH BROOKFIELD...OAKHAM AND EAST BROOKFIELD. 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 4238 7200 4215 7199 4217 7257 4236 7257 TIME...MOT...LOC 2004Z 272DEG 29KT 4229 7248 $$ DOODY
1 follow-up statement
264 WWUS51 KBOX 012041 SVSBOX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 441 PM EDT WED JUN 1 2011 MAC011-013-015-027-012051- /O.EXP.KBOX.TO.W.0003.000000T0000Z-110601T2045Z/ WORCESTER MA-FRANKLIN MA-HAMPSHIRE MA-HAMPDEN MA- 441 PM EDT WED JUN 1 2011 ...THE TORNADO WARNING FOR EAST CENTRAL HAMPDEN...SOUTHEASTERN HAMPSHIRE...EXTREME SOUTHEASTERN FRANKLIN AND WEST CENTRAL WORCESTER COUNTIES WILL EXPIRE AT 445 PM EDT... A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE AND CENTRAL RHODE ISLAND. LAT...LON 4238 7200 4215 7199 4217 7257 4236 7257 TIME...MOT...LOC 2041Z 272DEG 29KT 4228 7208 $$ DOODY
The 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, 4:15 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, 5:46 PM EDT | Tornado Warning | BOX | Middlesex, Norfolk, Worcester | 44 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 |
Nearby
Tornado Warnings in Massachusetts, 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.