Alert archive / Massachusetts / Tornado Warnings in 2008

Tornado Warning 2, NWS Boston/Norton, MA

July 23, 2008Bristol County, Plymouth County, Massachusetts

NWS Boston/Norton, MA issued this tornado warning at Jul 23, 2008, 4:21 PM EDT for Bristol County, Plymouth County, Massachusetts. It was in force for 28 min. 5 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
Jul 23, 2008, 4:21 PM EDT (20:21 UTC)
Expired
Jul 23, 2008, 4:49 PM EDT
In force
28 min
Issued by
NWS Boston/Norton, MA
Area
Storm-based polygon

Counties Bristol County, MA, Plymouth County, MA

What was reported inside it

TimeReportWhereRemark
Jul 23, 4:35 PM EDTTSTM WND DMGSwansea, MAMUTIPLE TREES DOWN IN THE OCEAN GROVE AREA.
Jul 23, 4:35 PM EDTTSTM WND DMGTaunton, MAWIRES DOWN ON POWDERHORN DRIVE.
Jul 23, 4:41 PM EDTTSTM WND DMGSomerset, MATHREE LARGE TREES DOWN ON FLORIDA AVE.
Jul 23, 4:43 PM EDTTSTM WND DMGBerkley, MAMULTIPLE TREES DOWN SCATTERED ABOUT TOWN.
Jul 23, 4:43 PM EDTTSTM WND DMGDighton, MATREE DOWN ON WILLIAMS 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.

IssuedProductOfficeLasted
Jul 23, 2:34 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 8.4 hours before the alert went out and 91 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.

Skew-T log-pSkew-T log-p diagram, Chatham, MA at 12:00Z on 2008-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 891 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Chatham, MA at 12:00Z on 2008-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
891 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
581 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
100 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000
WFUS51 KBOX 232021
TORBOX
MAC005-023-232100-
/O.NEW.KBOX.TO.W.0002.080723T2021Z-080723T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
421 PM EDT WED JUL 23 2008

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL BRISTOL COUNTY IN SOUTHEAST MASSACHUSETTS...
  THIS INCLUDES THE CITY OF TAUNTON...
  WEST CENTRAL PLYMOUTH COUNTY IN SOUTHEAST MASSACHUSETTS...

* UNTIL 500 PM EDT

* AT 418 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR DIGHTON...
  OR 7 MILES SOUTHWEST OF TAUNTON...MOVING NORTHEAST AT 34 MPH.

* THE TORNADO WILL BE NEAR...
  FREETOWN AND TAUNTON BY 430 PM EDT...
  RAYNHAM BY 435 PM EDT...
  MIDDLEBOROUGH AND LAKEVILLE BY 440 PM EDT...
  MIDDLEBOROUGH AND 7 MILES SOUTHEAST OF BRIDGEWATER BY 445 PM EDT...
  CARVER BY 455 PM EDT...


HEAVY RAIN MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT TO
SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...GO TO AN INTERIOR HALLWAY OR SMALL ROOM THE LOWEST FLOOR.
USE BLANKETS OR PILLOWS TO COVER YOUR BODY. STAY AWAY FROM WINDOWS.

ABANDON MOBILE HOMES OR VEHICLES AND GET TO A STRONG BUILDING. IF NO
SHELTER IS AVAILABLE...LIE FLAT IN A DITCH OR LOW SPOT AND COVER YOUR
HEAD WITH YOUR HANDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
WEDNESDAY EVENING FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND
CENTRAL RHODE ISLAND.

LAT...LON 4200 7098 4186 7071 4171 7117 4187 7131
TIME...MOT...LOC 2021Z 246DEG 30KT 4182 7114

$$

FRANK
2 follow-up statements
000 
WWUS51 KBOX 232040
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
440 PM EDT WED JUL 23 2008

MAC005-023-232100-
/O.CON.KBOX.TO.W.0002.000000T0000Z-080723T2100Z/
PLYMOUTH MA-BRISTOL MA-
439 PM EDT WED JUL 23 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM EDT FOR CENTRAL
BRISTOL AND CENTRAL PLYMOUTH COUNTIES IN SOUTHEAST MASSACHUSETTS...

AT 436 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A POSSIBLE TORNADO.  THIS TORNADO WAS LOCATED NEAR 
LAKEVILLE...OR 6 MILES EAST OF TAUNTON...MOVING NORTHEAST AT 34 MPH.


THE TORNADO WILL BE NEAR...
  MIDDLEBOROUGH BY 445 PM EDT...
  CARVER BY 455 PM EDT...

HEAVY RAINFALL MAY OBSCURE THIS TORNADO. TAKE COVER NOW IF YOU WAIT
TO SEE OR HEAR IT COMING...IT MAY BE TOO LATE TO GET TO A SAFE PLACE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
WEDNESDAY EVENING FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND
CENTRAL RHODE ISLAND.

LAT...LON 4200 7098 4186 7071 4179 7096 4192 7107
TIME...MOT...LOC 2039Z 246DEG 30KT 4188 7096

$$

FRANK
000 
WWUS51 KBOX 232049
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
449 PM EDT WED JUL 23 2008

MAC005-023-232058-
/O.CAN.KBOX.TO.W.0002.000000T0000Z-080723T2100Z/
PLYMOUTH MA-BRISTOL MA-
448 PM EDT WED JUL 23 2008

...THE TORNADO WARNING FOR CENTRAL BRISTOL AND CENTRAL PLYMOUTH
COUNTIES IN SOUTHEAST MASSACHUSETTS IS CANCELLED...

THE THUNDERSTORM THAT PROMPTED THE TORNADO WARNING HAS WEAKENED.  
THEREFORE...THE TORNADO WARNING HAS BEEN CANCELED. 
HOWEVER...TORRENTIAL RAIN WILL CAUSE STREET FLOODING.  THERE ALSO 
WILL BE DANGEROUS CLOUD TO GROUND LIGHTNING WITH THIS STORM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
WEDNESDAY EVENING FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND
CENTRAL RHODE ISLAND.

LAT...LON 4200 7098 4186 7071 4179 7096 4192 7107
TIME...MOT...LOC 2048Z 246DEG 30KT 4191 7087

$$

FRANK

The office that day

Everything else NWS Boston/Norton, MA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 23, 1:34 PM EDTAreal Flood AdvisoryBOXFranklin, Hampden, Hampshire, Worcester3 hr
Jul 23, 2:18 PM EDTFlood WatchBOXBristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more36 hr
Jul 23, 3:10 PM EDTSevere Thunderstorm WarningBOXBristol65 min
Jul 23, 3:35 PM EDTSpecial Marine WarningBOX55 min
Jul 23, 3:50 PM EDTSevere Thunderstorm WarningBOXBristol, Norfolk, Worcester44 min
Jul 23, 3:51 PM EDTFlash Flood WarningBOXBristol84 min
Jul 23, 4:04 PM EDTTornado WarningBOXBristol25 min
Jul 23, 4:36 PM EDTHigh Surf AdvisoryBOXBristol, Dukes, Nantucket48 hr
Jul 23, 4:38 PM EDTAreal Flood AdvisoryBOXEssex, Middlesex, Suffolk3 hr
Jul 23, 4:47 PM EDTFlash Flood WarningBOXBristol, Norfolk, Plymouth88 min
Jul 23, 4:54 PM EDTSpecial Marine WarningBOX96 min
Jul 23, 5:03 PM EDTSevere Thunderstorm WarningBOXBristol, Plymouth40 min
Jul 23, 6:06 PM EDTSpecial Marine WarningBOX39 min
Jul 23, 7:24 PM EDTSpecial Marine WarningBOX66 min

Nearby

Tornado Warnings in Massachusetts, 2008Every tornado warning in 2008Tornadoes in 2008

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.