Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 39, NWS Boston/Norton, MA

August 3, 2005Franklin County, Worcester County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 3, 2005, 4:25 PM EDT for Franklin County, Worcester County, 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
Aug 3, 2005, 4:25 PM EDT (20:25 UTC)
Expired
Aug 3, 2005, 5:09 PM EDT
In force
44 min
Issued by
NWS Boston/Norton, MA
Area
Counties, with a storm outline in the text

Counties Franklin County, MA, Worcester County, MA

The radar

The Boston radar (KBOX), 98 km from the middle of the area, began a volume at 20:26 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

TimeReportWhereRemark
Aug 3, 4:35 PM EDTHAIL 0.88New Salem, MAIN VICINITY OF RTE 202

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 8.4 hours before the alert went out and 141 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, Albany, NY at 12:00Z on 2005-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 936 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, Albany, NY at 12:00Z on 2005-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 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
936 J/kg
Mixed-layer CIN
-142 J/kg
Mixed-layer LCL
944 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
83 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBOX 032025
SVRBOX
MAC011-027-032130-
/O.NEW.KBOX.SV.W.0039.050803T2025Z-050803T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
425 PM EDT WED AUG 3 2005

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL WORCESTER COUNTY IN CENTRAL MASSACHUSETTS
  SOUTHEASTERN FRANKLIN COUNTY IN WESTERN MASSACHUSETTS

* UNTIL 530 PM EDT

* AT 422 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  NEW SALEM...OR ABOUT 12 MILES NORTHEAST OF AMHERST...AND MOVING
  SOUTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  PETERSHAM BY 435 PM EDT
  BARRE BY 450 PM EDT
  HARDWICK BY 455 PM EDT
  NEW BRAINTREE BY 505 PM EDT
  OAKHAM BY 510 PM EDT
  NORTH BROOKFIELD BY 515 PM EDT

LAT...LON 4259 7230 4247 7248 4214 7195 4236 7170

$$

FRANK
2 follow-up statements
000 
WWUS51 KBOX 032056
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
456 PM EDT WED AUG 3 2005

MAC011-032106-
/O.CAN.KBOX.SV.W.0039.000000T0000Z-050803T2130Z/
FRANKLIN MA-
456 PM EDT WED AUG 3 2005

...THE SEVERE THUNDERSTORM WARNING FOR FRANKLIN COUNTY IS
CANCELLED...

LAT...LON 4244 7223 4231 7226 4214 7195 4230 7179

$$

MAC027-032130-
/O.CON.KBOX.SV.W.0039.000000T0000Z-050803T2130Z/
WORCESTER MA-
456 PM EDT WED AUG 3 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 530 PM EDT FOR
CENTRAL WORCESTER COUNTY...

AT 453 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR NEW BRAINTREE...OR
ABOUT 16 MILES WEST OF WORCESTER...MOVING SOUTHEAST AT 35 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  8 MILES SOUTHWEST OF PAXTON BY 500 PM EDT
  EAST BROOKFIELD AND SPENCER BY 505 PM EDT
  7 MILES SOUTHWEST OF LEICESTER BY 510 PM EDT

LAT...LON 4244 7223 4231 7226 4214 7195 4230 7179

$$

FRANK
000 
WWUS51 KBOX 032109
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
508 PM EDT WED AUG 3 2005

MAC027-032118-
/O.CAN.KBOX.SV.W.0039.000000T0000Z-050803T2130Z/
WORCESTER MA-
508 PM EDT WED AUG 3 2005

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL WORCESTER COUNTY IS
CANCELLED...
THE THUNDERSTORM OVER WORCESTER COUNTY HAS WEAKENED BELOW SEVERE 
LIMITS. THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN 
CANCELLED.


LAT...LON 4244 7223 4231 7226 4214 7195 4230 7179

$$

FRANK

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 3, 4:11 PM EDTSevere Thunderstorm WarningBOXHampden40 min
Aug 3, 7:25 PM EDTSpecial Marine WarningBOX35 min

Nearby

Severe Thunderstorm Warnings in Massachusetts, 2005Every severe thunderstorm warning in 2005

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.