Alert archive / Massachusetts / Tornado Warnings in 2014
Tornado Warning 8, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this tornado warning at Sep 6, 2014, 4:29 PM EDT for Essex County, Middlesex County, Massachusetts; Hillsborough County, New Hampshire. It was in force for 31 min. 9 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
- Sep 6, 2014, 4:29 PM EDT (20:29 UTC)
- Expired
- Sep 6, 2014, 5:00 PM EDT
- In force
- 31 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Essex County, MA, Middlesex County, MA, Hillsborough County, NH
The radar
The Boston radar (KBOX), 87 km from the middle of the area, began a volume at 20:31 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 |
|---|---|---|---|
| Sep 6, 4:37 PM EDT | TSTM WND DMG | Brookline, NH | LARGE LIMB DOWN AT SILVER BEACH |
| Sep 6, 4:40 PM EDT | TSTM WND DMG | Pelham, NH | TREE DOWN ON OLD BRIDGE AND BRIDGE ROADS... ALSO ON MARSH AND ALBERT STREET. |
| Sep 6, 4:43 PM EDT | TSTM WND DMG | Nashua, NH | TREES AND WIRES DOWN ON HARRIS ROAD AND JILL DRIVE |
| Sep 6, 4:57 PM EDT | TSTM WND DMG | Lowell, MA | TREE DOWN ON PERSON... INJURING LEG ON THE VFW PARKWAY AT AIKEN STREET IN THE BEAVER BROOK AREA |
| Sep 6, 4:57 PM EDT | TSTM WND DMG | Lowell, MA | TREES DOWN ON VFW PARKWAY WITH PERSON TRAPPED |
| Sep 6, 4:58 PM EDT | TSTM WND DMG | Dracut, MA | TREE AND POWER LINES DOWN ON HARLEM STREET |
| Sep 6, 4:58 PM EDT | HAIL 0.88 | Dracut, MA | |
| Sep 6, 5:00 PM EDT | TSTM WND DMG | Methuen, MA | LARGE TREE LIMBS DOWN ON OAK STREET |
| Sep 6, 5:03 PM EDT | TSTM WND DMG | Dracut, MA | TREE AND WIRES DOWN ON BRIDGE STREET |
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 |
|---|---|---|---|
| Sep 6, 1:22 PM EDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Gray, ME (KGYX), launched 12:00Z, 8.5 hours before the alert went out and 154 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
- 494 J/kg
- Mixed-layer CIN
- -168 J/kg
- Mixed-layer LCL
- 989 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 127 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
137
WFUS51 KBOX 062029
TORBOX
MAC009-017-NHC011-062115-
/O.NEW.KBOX.TO.W.0008.140906T2029Z-140906T2115Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
429 PM EDT SAT SEP 6 2014
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* TORNADO WARNING FOR...
NORTH CENTRAL MIDDLESEX COUNTY IN NORTHEASTERN MASSACHUSETTS...
WEST CENTRAL ESSEX COUNTY IN NORTHEASTERN MASSACHUSETTS...
SOUTHEASTERN HILLSBOROUGH COUNTY IN SOUTHERN NEW HAMPSHIRE...
* UNTIL 515 PM EDT
* AT 429 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
OVER HOLLIS...OR NEAR NASHUA...AND WAS MOVING EAST AT 30 MPH.
* SOME LOCATIONS IMPACTED INCLUDE...
LOWELL...NASHUA...LAWRENCE...METHUEN...BILLERICA...CHELMSFORD...
ANDOVER...DRACUT...TEWKSBURY...HUDSON...WESTFORD...PELHAM...
PEPPERELL...TYNGSBOROUGH...TOWNSEND...HOLLIS...BROOKLINE AND
DUNSTABLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! DO NOT WAIT TO SEE THE TORNADO. GO TO A BASEMENT OR
INTERIOR ROOM ON THE LOWEST FLOOR OF A STURDY BUILDING...AWAY FROM
WINDOWS. IF IN A VEHICLE...A MOBILE HOME OR OUTDOORS...GET TO THE
CLOSEST SHELTER. PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4276 7116 4258 7119 4269 7167 4275 7168
4276 7126 4274 7124 4275 7122 4274 7119
4276 7118
TIME...MOT...LOC 2029Z 274DEG 27KT 4272 7162
$$
JWD3 follow-up statements
549
WWUS51 KBOX 062038
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
438 PM EDT SAT SEP 6 2014
MAC009-017-NHC011-062115-
/O.CON.KBOX.TO.W.0008.000000T0000Z-140906T2115Z/
MIDDLESEX MA-ESSEX MA-HILLSBOROUGH NH-
438 PM EDT SAT SEP 6 2014
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR NORTH
CENTRAL MIDDLESEX...WEST CENTRAL ESSEX AND SOUTHEASTERN HILLSBOROUGH
COUNTIES...
AT 438 PM EDT...THERE HAS BEEN NO CONFIRMATION OF A TORNADO.
DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO. THIS DANGEROUS STORM WAS LOCATED OVER NASHUA...MOVING EAST
AT 30 MPH.
LOCATIONS IMPACTED INCLUDE...
LOWELL...NASHUA...LAWRENCE...METHUEN...ANDOVER...DRACUT...
TEWKSBURY...HUDSON...PELHAM...PEPPERELL...TYNGSBOROUGH...HOLLIS AND
DUNSTABLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! LEAVE MOBILE HOMES AND GO TO A STRONG BUILDING. GO TO
THE BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR. STAY AWAY FROM
WINDOWS.
&&
LAT...LON 4262 7118 4269 7158 4275 7160 4276 7126
4274 7124 4275 7122 4274 7119 4276 7118
4276 7116
TIME...MOT...LOC 2038Z 274DEG 27KT 4271 7152
$$
JWD907
WWUS51 KBOX 062049
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
449 PM EDT SAT SEP 6 2014
MAC009-017-NHC011-062115-
/O.CON.KBOX.TO.W.0008.000000T0000Z-140906T2115Z/
MIDDLESEX MA-ESSEX MA-HILLSBOROUGH NH-
449 PM EDT SAT SEP 6 2014
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 515 PM EDT FOR NORTH
CENTRAL MIDDLESEX...WESTERN ESSEX AND SOUTHEASTERN HILLSBOROUGH
COUNTIES...
AT 448 PM EDT...THERE HAS BEEN NO CONFIRMATION OF A TORNADO.
DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO. THIS DANGEROUS STORM WAS LOCATED OVER TYNGSBOROUGH...OR
NEAR NASHUA...MOVING EAST AT 30 MPH.
LOCATIONS IMPACTED INCLUDE...
NASHUA...LAWRENCE...METHUEN...ANDOVER...DRACUT...HUDSON...PELHAM...
TYNGSBOROUGH AND DUNSTABLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! LEAVE MOBILE HOMES AND GO TO A STRONG BUILDING. GO TO
THE BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR. STAY AWAY FROM
WINDOWS.
&&
LAT...LON 4265 7118 4268 7147 4274 7148 4276 7126
4274 7124 4275 7122 4274 7119 4276 7118
4276 7116
TIME...MOT...LOC 2048Z 274DEG 27KT 4270 7141
$$
JWD441
WWUS51 KBOX 062100
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
500 PM EDT SAT SEP 6 2014
MAC009-017-NHC011-062109-
/O.CAN.KBOX.TO.W.0008.000000T0000Z-140906T2115Z/
MIDDLESEX MA-ESSEX MA-HILLSBOROUGH NH-
500 PM EDT SAT SEP 6 2014
...THE TORNADO WARNING FOR NORTH CENTRAL MIDDLESEX...WESTERN ESSEX
AND SOUTHEASTERN HILLSBOROUGH COUNTIES IS CANCELED...
AS OF 459 PM...THERE HAS BEEN NO CONFIRMATION OF A TORNADO.
THE STORM WHICH PROMPTED THE WARNING NO LONGER APPEARS TO BE CAPABLE
OF PRODUCING A TORNADO.
THE TORNADO WARNING HAS BEEN REPLACED BY A NEW SEVERE THUNDERSTORM
WARNING...WHICH IS IN EFFECT UNTIL 6 PM EDT.
&&
LAT...LON 4265 7118 4268 7147 4274 7148 4276 7126
4274 7124 4275 7122 4274 7119 4276 7118
4276 7116
TIME...MOT...LOC 2057Z 274DEG 27KT 4269 7129
$$
JWDThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 6:19 AM EDT | Small Craft Advisory | BOX | 13 hr | |
| Sep 6, 3:08 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Worcester | 31 min |
| Sep 6, 3:35 PM EDT | Special Weather Statement | BOX | Franklin | 40 min |
| Sep 6, 3:38 PM EDT | Special Weather Statement | BOX | Worcester | 52 min |
| Sep 6, 3:48 PM EDT | Special Weather Statement | BOX | Essex | 27 min |
| Sep 6, 3:52 PM EDT | Special Marine Warning | BOX | 53 min | |
| Sep 6, 4:00 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Worcester | 60 min |
| Sep 6, 4:18 PM EDT | Severe Thunderstorm Warning | BOX | Essex, Middlesex | 57 min |
| Sep 6, 4:22 PM EDT | Tornado Warning | BOX | Franklin, Worcester | 24 min |
| Sep 6, 4:59 PM EDT | Severe Thunderstorm Warning | BOX | Essex, Middlesex | 61 min |
| Sep 6, 5:00 PM EDT | Special Marine Warning | BOX | 60 min | |
| Sep 6, 5:03 PM EDT | Severe Thunderstorm Warning | BOX | Middlesex, Worcester | 42 min |
| Sep 6, 5:36 PM EDT | Special Weather Statement | BOX | Essex, Middlesex, Norfolk, Worcester | 84 min |
| Sep 6, 5:43 PM EDT | Severe Thunderstorm Warning | BOX | Franklin, Hampshire, Worcester | 26 min |
| Sep 6, 5:50 PM EDT | Severe Thunderstorm Warning | BOX | Essex, Middlesex | 40 min |
| Sep 6, 5:55 PM EDT | Special Marine Warning | BOX | 65 min | |
| Sep 6, 6:01 PM EDT | Special Weather Statement | BOX | Worcester | 44 min |
| Sep 6, 6:02 PM EDT | Special Weather Statement | BOX | Suffolk | 43 min |
| Sep 6, 6:06 PM EDT | Special Marine Warning | BOX | 54 min | |
| Sep 6, 6:08 PM EDT | Areal Flood Advisory | BOX | Essex, Middlesex, Norfolk, Suffolk | 112 min |
| Sep 6, 6:25 PM EDT | Special Weather Statement | BOX | Middlesex | 50 min |
| Sep 6, 7:38 PM EDT | Special Weather Statement | BOX | Plymouth | 52 min |
| Sep 6, 3:05 PM EDT | Special Weather Statement | BOX | Cheshire | 40 min |
Nearby
Tornado Warnings in Massachusetts, 2014Tornado Warnings in New Hampshire, 2014Every tornado warning in 2014Tornadoes in 2014
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.