Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 27, NWS Boston/Norton, MA

June 2, 2002Middlesex County, Worcester County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 2, 2002, 12:05 PM EDT for Middlesex County, Worcester County, Massachusetts. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 2, 2002, 12:05 PM EDT (16:05 UTC)
Expired
Jun 2, 2002, 12:45 PM EDT
In force
40 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

Counties Middlesex County, MA, Worcester County, MA

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 4.1 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.

Skew-T log-pSkew-T log-p diagram, Chatham, MA at 12:00Z on 2002-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Chatham, MA at 12:00Z on 2002-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 square meters per square second.1939587897Sfc1 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
12 J/kg
Mixed-layer CIN
-351 J/kg
Mixed-layer LCL
1507 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBOX 021605
SVRBOX
MAC017-027-021645-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
1205 PM EDT SUN JUN 2 2002

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL WORCESTER COUNTY IN CENTRAL MASSACHUSETTS
    INCLUDING FITCHBURG
  NORTHERN MIDDLESEX COUNTY IN EASTERN MASSACHUSETTS

* UNTIL 1245 PM EDT.

* AT 1202 PM EDT...SKYWARN SPOTTERS REPORTED A SEVERE THUNDERSTORM
  OVER GARDNER...OR ABOUT 3 MILES NORTHEAST OF FITCHBURG...MOVING
  EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  GROTON...AYER AND PEPPERELL AROUND 1215 PM EDT
  LITTLETON AROUND 1225 PM EDT
  WESTFORD AND CHELMSFORD AROUND 1230 PM EDT
  CARLISLE AROUND 1235 PM EDT
  BILLERICA AROUND 1240 PM EDT
  WILMINGTON AND BURLINGTON AROUND 1245 PM EDT.

SEVERE THUNDERSTORMS PRODUCE LARGE HAIL AND/OR WIND STRONG ENOUGH TO
KNOCK DOWN TREES AND POWER LINES. MOVE INDOORS AND STAY AWAY FROM
WINDOWS.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 12:52 PM EDTSpecial Marine WarningBOX68 min
Jun 2, 12:52 PM EDTSpecial Marine WarningBOX68 min
Jun 2, 12:57 PM EDTSpecial Marine WarningBOX21 hr
Jun 2, 12:57 PM EDTSpecial Marine WarningBOX21 hr
Jun 2, 1:39 PM EDTSevere Thunderstorm WarningBOXEssex36 min
Jun 2, 2:26 PM EDTSpecial Marine WarningBOX64 min
Jun 2, 2:27 PM EDTSpecial Marine WarningBOX21 hr

Nearby

Severe Thunderstorm Warnings in Massachusetts, 2002Every severe thunderstorm warning in 2002

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.