Alert archive / Massachusetts / Tornado Warnings in 2011
Tornado Warning 5, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this tornado warning at Jun 1, 2011, 5:01 PM EDT for 6 counties in Massachusetts. It was in force for 44 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, 5:01 PM EDT (21:01 UTC)
- Expired
- Jun 1, 2011, 5:45 PM EDT
- In force
- 44 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Norfolk County, MA, Worcester County, MA
The radar
The Boston radar (KBOX), 62 km from the middle of the area, began a volume at 21:04 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, 5:33 PM EDT | HAIL 0.75 | Sutton, 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, 9.0 hours before the alert went out and 162 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.
052 WFUS51 KBOX 012101 TORBOX MAC011-013-015-017-021-027-012145- /O.NEW.KBOX.TO.W.0005.110601T2101Z-110601T2145Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TAUNTON MA 501 PM EDT WED JUN 1 2011 THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * TORNADO WARNING FOR... CENTRAL WORCESTER COUNTY IN CENTRAL MASSACHUSETTS... THIS INCLUDES THE CITIES OF...WORCESTER...MILFORD... WEST CENTRAL NORFOLK COUNTY IN EASTERN MASSACHUSETTS... SOUTH CENTRAL MIDDLESEX COUNTY IN SOUTHEAST MASSACHUSETTS... THIS INCLUDES THE CITY OF FRAMINGHAM... EXTREME SOUTHEASTERN FRANKLIN COUNTY IN WESTERN MASSACHUSETTS... NORTHEASTERN HAMPDEN COUNTY IN WESTERN MASSACHUSETTS... EAST CENTRAL HAMPSHIRE COUNTY IN WESTERN MASSACHUSETTS... * UNTIL 545 PM EDT * AT 500 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR HARDWICK... OR 15 MILES EAST OF AMHERST...MOVING EAST AT 30 MPH. * SOME LOCATIONS IN THE WARNING INCLUDE...WARREN...NEW BRAINTREE... WEST BROOKFIELD...BROOKFIELD...NORTH BROOKFIELD...OAKHAM...EAST BROOKFIELD...SPENCER...RUTLAND...PAXTON...LEICESTER...HOLDEN... AUBURN...WESTBOROUGH...WEST BOYLSTON...UPTON...SUTTON... SOUTHBOROUGH...SHREWSBURY...SHERBORN...NORTHBRIDGE... NORTHBOROUGH...MENDON...MEDWAY...MARLBOROUGH...HOPKINTON... HOPEDALE...HOLLISTON...GRAFTON...BOYLSTON...BELLINGHAM AND ASHLAND. 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 4233 7134 4207 7141 4224 7236 4242 7232 TIME...MOT...LOC 2101Z 281DEG 25KT 4231 7223 $$ BELK
1 follow-up statement
947 WWUS51 KBOX 012125 SVSBOX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TAUNTON MA 525 PM EDT WED JUN 1 2011 MAC011-013-015-017-021-027-012145- /O.CON.KBOX.TO.W.0005.000000T0000Z-110601T2145Z/ MIDDLESEX MA-WORCESTER MA-FRANKLIN MA-HAMPSHIRE MA-NORFOLK MA- HAMPDEN MA- 525 PM EDT WED JUN 1 2011 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 545 PM EDT FOR NORTHEASTERN HAMPDEN...WEST CENTRAL NORFOLK...EAST CENTRAL HAMPSHIRE...EXTREME SOUTHEASTERN FRANKLIN...CENTRAL WORCESTER AND SOUTH CENTRAL MIDDLESEX COUNTIES... AT 523 PM EDT...TRAINED WEATHER SPOTTERS REPORTED A FUNNEL CLOUD NORTHWEST OF SHREWSBURY STREET IN WORCESTER. THIS POSSIBLE TORNADO WAS MOVING EAST AT 35 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LEICESTER...HOLDEN...AUBURN...WEST BOYLSTON...BOYLSTON...SUTTON... SHREWSBURY...WESTBOROUGH...UPTON...SOUTHBOROUGH...SHERBORN... NORTHBRIDGE...NORTHBOROUGH...MILFORD...MENDON...MEDWAY... MARLBOROUGH...HOPKINTON...HOPEDALE...HOLLISTON...GRAFTON... FRAMINGHAM...BELLINGHAM AND ASHLAND PRECAUTIONARY/PREPAREDNESS ACTIONS... A TORNADO WATCH REMAINS IN EFFECT UNTIL 800 PM EDT WEDNESDAY EVENING FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE AND CENTRAL RHODE ISLAND. && LAT...LON 4233 7134 4207 7141 4224 7236 4242 7232 TIME...MOT...LOC 2125Z 281DEG 32KT 4226 7193 $$ BELK
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, 4:05 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, 5:06 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.