Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 7, NWS Boston/Norton, MA

June 6, 2005Hampden County, Hampshire County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 6, 2005, 4:45 PM EDT for Hampden County, Hampshire County, Massachusetts. It was in force for 45 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
Jun 6, 2005, 4:45 PM EDT (20:45 UTC)
Expired
Jun 6, 2005, 5:30 PM EDT
In force
45 min
Issued by
NWS Boston/Norton, MA
Area
Counties, with a storm outline in the text

Counties Hampden County, MA, Hampshire County, MA

The radar

The Albany radar (KENX), 93 km from the middle of the area, began a volume at 20:47 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 6, 3:20 PM EDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 8.8 hours before the alert went out and 81 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 2005-06-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 468 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 2005-06-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 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
468 J/kg
Mixed-layer CIN
-112 J/kg
Mixed-layer LCL
1043 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
125 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 
WUUS51 KBOX 062046
SVRBOX
MAC013-015-062130-
/O.NEW.KBOX.SV.W.0007.050606T2045Z-050606T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
445 PM EDT MON JUN 6 2005

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN HAMPDEN COUNTY IN WESTERN MASSACHUSETTS
  WESTERN HAMPSHIRE COUNTY IN WESTERN MASSACHUSETTS
  THIS INCLUDES THE CITY OF NORTHAMPTON

* UNTIL 530 PM EDT

* AT 442 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
  EXCESS OF 60 MPH.  THESE STORMS WERE LOCATED JUST EAST OF A LINE
  EXTENDING FROM LENOX TO GREAT BARRINGTON.  THE LINE WAS MOVING 
  EAST AT 30 MPH. 

* SEVERE THUNDERSTORMS WILL BE NEAR...
  TOLLAND...MIDDLEFIELD AND CHESTER BY 500 PM EDT
  WORTHINGTON BY 505 PM EDT
  HUNTINGTON AND BLANDFORD BY 510 PM EDT
  RUSSELL...GRANVILLE AND CHESTERFIELD BY 515 PM EDT
  WESTHAMPTON BY 520 PM EDT

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 4245 7328 4207 7332 4203 7260 4241 7255

$$
WTB/GAF
1 follow-up statement
000 
WWUS51 KBOX 062112
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
509 PM EDT MON JUN 6 2005

MAC013-015-062130-
/O.CON.KBOX.SV.W.0007.000000T0000Z-050606T2130Z/
HAMPSHIRE MA-HAMPDEN MA-
509 PM EDT MON JUN 6 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 530 PM EDT FOR
WESTERN HAMPDEN AND WESTERN HAMPSHIRE COUNTIES...

AT 508 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 HUNTINGTON...OR ABOUT
15 MILES SOUTHWEST OF NORTHAMPTON...MOVING EAST AT 25 MPH.

AT 510 PM...HALF INCH HAIL WAS OCCURING AND SOME BRANCHES WERE 
REPORTED DOWN IN BLANFORD.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  HUNTINGTON AND RUSSELL BY 515 PM EDT
  MONTGOMERY BY 520 PM EDT
  9 MILES NORTH OF WESTFIELD BY 525 PM EDT
  WESTHAMPTON...SOUTHAMPTON...EASTHAMPTON AND 6 MILES SOUTHWEST OF
  NORTHAMPTON BY 530 PM EDT

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT MONDAY
EVENING FOR NORTHERN CONNECTICUT AND WESTERN MASSACHUSETTS AND
SOUTHERN NEW HAMPSHIRE.

LAT...LON 4245 7328 4207 7332 4203 7260 4241 7255

$$

FRANK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 4:14 PM EDTSevere Thunderstorm WarningBOXFranklin46 min
Jun 6, 4:58 PM EDTSevere Thunderstorm WarningBOXFranklin47 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.