Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 49, NWS Boston/Norton, MA

July 22, 2016Hampshire County, Worcester County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 22, 2016, 6:53 PM EDT for Hampshire County, Worcester County, Massachusetts. It was in force for 52 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 22, 2016, 6:53 PM EDT (22:53 UTC)
Expired
Jul 22, 2016, 7:45 PM EDT
In force
52 min
Issued by
NWS Boston/Norton, MA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Hampshire County, MA, Worcester County, MA

The radar

The Boston radar (KBOX), 110 km from the middle of the area, began a volume at 22:56 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

Albany, NY (KALY), launched 12:00Z, 10.9 hours before the alert went out and 127 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 2016-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2016-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 299 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1498 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
299 m²/s²
0-3 km storm-relative helicity
262 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

754 
WUUS51 KBOX 222253
SVRBOX
MAC015-027-222345-
/O.NEW.KBOX.SV.W.0049.160722T2253Z-160722T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
653 PM EDT FRI JUL 22 2016

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL HAMPSHIRE COUNTY IN WESTERN MASSACHUSETTS...
  WEST CENTRAL WORCESTER COUNTY IN CENTRAL MASSACHUSETTS...

* UNTIL 745 PM EDT

* AT 653 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER PELHAM...OR
  NEAR AMHERST...MOVING EAST AT 35 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  AMHERST...SPENCER...WARE...RUTLAND...BARRE...PAXTON...
  NORTH BROOKFIELD...HARDWICK...OAKHAM...SHUTESBURY...PELHAM...
  PETERSHAM...NEW BRAINTREE AND NEW SALEM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURE'S LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 4243 7249 4241 7248 4242 7238 4239 7236
      4240 7231 4243 7229 4238 7193 4227 7198
      4234 7232 4239 7232 4235 7236 4238 7251
      4243 7252
TIME...MOT...LOC 2253Z 277DEG 32KT 4235 7238 

HAIL...<.75IN
WIND...60MPH
 
$$

FRANK
3 follow-up statements
784 
WWUS51 KBOX 222308
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
708 PM EDT FRI JUL 22 2016

MAC015-222317-
/O.CAN.KBOX.SV.W.0049.000000T0000Z-160722T2345Z/
HAMPSHIRE MA-
708 PM EDT FRI JUL 22 2016

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL HAMPSHIRE COUNTY
IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE...THE WARNING HAS BEEN CANCELLED.

LAT...LON 4238 7193 4227 7198 4234 7228 4235 7229
      4235 7230 4238 7231 4239 7231 4240 7232
      4243 7229
TIME...MOT...LOC 2307Z 278DEG 23KT 4238 7226 

$$

MAC027-222345-
/O.CON.KBOX.SV.W.0049.000000T0000Z-160722T2345Z/
WORCESTER MA-
708 PM EDT FRI JUL 22 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR WEST CENTRAL WORCESTER COUNTY...

AT 707 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER HARDWICK...OR
12 MILES EAST OF AMHERST...MOVING EAST AT 25 MPH.

HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
SPENCER...RUTLAND...BARRE...PAXTON...NORTH BROOKFIELD...HARDWICK...
OAKHAM...PETERSHAM AND NEW BRAINTREE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

&&

LAT...LON 4238 7193 4227 7198 4234 7228 4235 7229
      4235 7230 4238 7231 4239 7231 4240 7232
      4243 7229
TIME...MOT...LOC 2307Z 278DEG 23KT 4238 7226 

HAIL...0.75IN
WIND...60MPH
 
$$

FRANK
773 
WWUS51 KBOX 222323
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
723 PM EDT FRI JUL 22 2016

MAC027-222345-
/O.CON.KBOX.SV.W.0049.000000T0000Z-160722T2345Z/
WORCESTER MA-
723 PM EDT FRI JUL 22 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR WEST CENTRAL WORCESTER COUNTY...

AT 722 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER OAKHAM...OR 15
MILES NORTHWEST OF WORCESTER...MOVING EAST AT 30 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
SPENCER...RUTLAND...BARRE...PAXTON...NORTH BROOKFIELD...HARDWICK...
OAKHAM AND NEW BRAINTREE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

&&

LAT...LON 4238 7193 4227 7198 4232 7219 4239 7220
      4241 7217
TIME...MOT...LOC 2322Z 277DEG 32KT 4236 7207 

HAIL...<.75IN
WIND...60MPH
 
$$

FRANK
355 
WWUS51 KBOX 222339
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
739 PM EDT FRI JUL 22 2016

MAC027-222349-
/O.EXP.KBOX.SV.W.0049.000000T0000Z-160722T2345Z/
WORCESTER MA-
739 PM EDT FRI JUL 22 2016

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL WORCESTER COUNTY
WILL EXPIRE AT 745 PM EDT...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA.  THEREFORE...THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 4238 7193 4227 7198 4232 7219 4239 7220
      4241 7217
TIME...MOT...LOC 2337Z 277DEG 32KT 4236 7207 

$$

FRANK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 5:09 PM EDTSpecial Weather StatementBOXWorcester36 min
Jul 22, 5:36 PM EDTSpecial Weather StatementBOXHampshire39 min
Jul 22, 5:54 PM EDTSevere Thunderstorm WarningBOXHampden, Hampshire51 min
Jul 22, 6:36 PM EDTSevere Thunderstorm WarningBOXHampden, Hampshire, Worcester39 min
Jul 22, 7:13 PM EDTSevere Thunderstorm WarningBOXHampshire, Worcester20 min
Jul 22, 7:16 PM EDTSevere Thunderstorm WarningBOXWorcester44 min
Jul 22, 7:17 PM EDTSpecial Weather StatementBOXHampden58 min
Jul 22, 7:19 PM EDTSevere Thunderstorm WarningBOXHampden, Worcester41 min
Jul 22, 7:39 PM EDTSevere Thunderstorm WarningBOXHampden51 min
Jul 22, 7:57 PM EDTSevere Thunderstorm WarningBOXMiddlesex, Norfolk, Suffolk, Worcester48 min

Nearby

Severe Thunderstorm Warnings in Massachusetts, 2016Every severe thunderstorm warning in 2016

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.