Alert archive / Massachusetts / Tornado Warnings in 2013
Tornado Warning 5, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this tornado warning at Jul 1, 2013, 2:25 PM EDT for Essex County, Middlesex County, Worcester County, Massachusetts; Hillsborough County, New Hampshire. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 1, 2013, 2:25 PM EDT (18:25 UTC)
- Expired
- Jul 1, 2013, 3:15 PM EDT
- In force
- 50 min
- Issued by
- NWS Boston/Norton, MA
- Area
- Storm-based polygon
Counties Essex County, MA, Middlesex County, MA, Worcester County, MA, Hillsborough County, NH
The radar
The Boston radar (KBOX), 86 km from the middle of the area, began a volume at 18:28 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.
The nearest sounding before it
Gray, ME (KGYX), launched 12:00Z, 6.4 hours before the alert went out and 157 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
- 61 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 760 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
327
WFUS51 KBOX 011825
TORBOX
MAC009-017-027-NHC011-011915-
/O.NEW.KBOX.TO.W.0005.130701T1825Z-130701T1915Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
225 PM EDT MON JUL 1 2013
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
* TORNADO WARNING FOR...
NORTHERN MIDDLESEX COUNTY IN SOUTHEAST MASSACHUSETTS...
WESTERN ESSEX COUNTY IN EASTERN MASSACHUSETTS...
NORTHEASTERN WORCESTER COUNTY IN CENTRAL MASSACHUSETTS...
SOUTHEASTERN HILLSBOROUGH COUNTY IN SOUTHERN NEW HAMPSHIRE...
* UNTIL 315 PM EDT
* AT 224 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
NEAR LANCASTER...OR 6 MILES SOUTHEAST OF LEOMINSTER...AND WAS
MOVING NORTHEAST AT 25 MPH.
* LOCATIONS IMPACTED INCLUDE...
LOWELL...LAWRENCE...DRACUT...PELHAM...NORTH ANDOVER...METHUEN...
CHELMSFORD...CARLISLE...BOLTON...STOW...ANDOVER...BERLIN...
CLINTON...HUDSON...TYNGSBORO...TEWKSBURY...HARVARD...AYER...
BOXBOROUGH AND LITTLETON.
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 4280 7136 4278 7136 4277 7135 4276 7127
4274 7124 4275 7122 4274 7118 4279 7118
4269 7105 4235 7164 4248 7180 4282 7138
TIME...MOT...LOC 1824Z 227DEG 23KT 4247 7165
$$
RLG2 follow-up statements
907
WWUS51 KBOX 011844
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
244 PM EDT MON JUL 1 2013
MAC009-017-027-NHC011-011915-
/O.CON.KBOX.TO.W.0005.000000T0000Z-130701T1915Z/
MIDDLESEX MA-ESSEX MA-WORCESTER MA-HILLSBOROUGH NH-
244 PM EDT MON JUL 1 2013
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM EDT FOR NORTHERN
MIDDLESEX...WESTERN ESSEX...NORTHEASTERN WORCESTER AND SOUTHEASTERN
HILLSBOROUGH COUNTIES...
AT 241 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR
LITTLETON...OR 11 MILES SOUTHWEST OF LOWELL...MOVING NORTHEAST AT 25
MPH.
LOCATIONS IMPACTED INCLUDE...
LOWELL...LAWRENCE...DRACUT...PELHAM...NORTH ANDOVER...METHUEN...
CHELMSFORD...CARLISLE...BOLTON...STOW...ANDOVER...BERLIN...CLINTON...
HUDSON...TYNGSBORO...TEWKSBURY...HARVARD...AYER...BOXBOROUGH AND
LITTLETON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 4280 7136 4278 7136 4277 7135 4276 7127
4274 7124 4275 7122 4274 7118 4279 7118
4269 7105 4235 7164 4248 7180 4282 7138
TIME...MOT...LOC 1841Z 227DEG 23KT 4256 7152
$$
RLG606
WWUS51 KBOX 011901
SVSBOX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
301 PM EDT MON JUL 1 2013
MAC009-017-027-NHC011-011911-
/O.CAN.KBOX.TO.W.0005.000000T0000Z-130701T1915Z/
MIDDLESEX MA-ESSEX MA-WORCESTER MA-HILLSBOROUGH NH-
301 PM EDT MON JUL 1 2013
...THE TORNADO WARNING FOR NORTHERN MIDDLESEX...WESTERN ESSEX...
NORTHEASTERN WORCESTER AND SOUTHEASTERN HILLSBOROUGH COUNTIES IS
CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING HAS BEEN CANCELLED. HOWEVER HEAVY RAIN IS
STILL POSSIBLE WITH THIS THUNDERSTORM.
LAT...LON 4280 7136 4278 7136 4277 7135 4276 7127
4274 7124 4275 7122 4274 7118 4279 7118
4269 7105 4235 7164 4248 7180 4282 7138
TIME...MOT...LOC 1901Z 227DEG 23KT 4265 7139
$$
RLGThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 4:01 AM EDT | Flash Flood Watch | BOX | Franklin, Hampden, Hampshire, Middlesex, Worcester | 64 hr |
| Jul 1, 4:50 AM EDT | Rip Current Statement | BOX | Bristol, Dukes | 15 hr |
| Jul 1, 12:02 PM EDT | Flash Flood Warning | BOX | Franklin, Hampden, Hampshire, Worcester | 3 hr |
| Jul 1, 12:15 PM EDT | Special Weather Statement | BOX | Hampden | 60 min |
| Jul 1, 12:49 PM EDT | Special Weather Statement | BOX | Worcester | 41 min |
| Jul 1, 1:32 PM EDT | Flash Flood Warning | BOX | Middlesex, Worcester | 4 hr |
| Jul 1, 1:59 PM EDT | Severe Thunderstorm Warning | BOX | Hampden | 46 min |
| Jul 1, 2:23 PM EDT | Areal Flood Advisory | BOX | Essex, Middlesex, Worcester | 3 hr |
| Jul 1, 2:39 PM EDT | Flash Flood Warning | BOX | Middlesex, Worcester | 3 hr |
| Jul 1, 2:46 PM EDT | Flash Flood Warning | BOX | Middlesex, Worcester | 3 hr |
| Jul 1, 2:56 PM EDT | Tornado Warning | BOX | Essex | 49 min |
| Jul 1, 3:17 PM EDT | Special Marine Warning | BOX | 43 min | |
| Jul 1, 3:27 PM EDT | Flash Flood Warning | BOX | Essex | 2 hr |
| Jul 1, 3:35 PM EDT | Tornado Warning | BOX | Essex, Middlesex | 40 min |
| Jul 1, 3:57 PM EDT | Tornado Warning | BOX | Essex, Middlesex, Suffolk | 33 min |
| Jul 1, 4:00 PM EDT | Special Marine Warning | BOX | 60 min | |
| Jul 1, 4:03 PM EDT | Small Craft Advisory for Hazardous Seas | BOX | 48 hr | |
| Jul 1, 4:59 PM EDT | Special Marine Warning | BOX | 61 min | |
| Jul 1, 5:22 PM EDT | Areal Flood Advisory | BOX | Essex | 113 min |
| Jul 1, 1:14 PM EDT | Special Weather Statement | BOX | Hillsborough | 31 min |
Nearby
Tornado Warnings in Massachusetts, 2013Tornado Warnings in New Hampshire, 2013Every tornado warning in 2013Tornadoes in 2013
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.