Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 50, NWS Boston/Norton, MA

July 22, 2016Hampshire County, Worcester County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 22, 2016, 7:13 PM EDT for Hampshire County, Worcester County, Massachusetts. It was in force for 20 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, 7:13 PM EDT (23:13 UTC)
Expired
Jul 22, 2016, 7:33 PM EDT
In force
20 min
Issued by
NWS Boston/Norton, MA
Area
Storm-based polygon
Hail
0.88 in
Wind
60.0 mph

Counties Hampshire County, MA, Worcester County, MA

The radar

The Boston radar (KBOX), 94 km from the middle of the area, began a volume at 23:15 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, 11.2 hours before the alert went out and 142 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°0°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.

147 
WUUS51 KBOX 222313
SVRBOX
MAC015-027-222345-
/O.NEW.KBOX.SV.W.0050.160722T2313Z-160722T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
713 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...
  SOUTHWESTERN WORCESTER COUNTY IN CENTRAL MASSACHUSETTS...

* UNTIL 745 PM EDT

* AT 713 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  HARDWICK...OR 15 MILES EAST OF AMHERST...MOVING EAST AT 25 MPH.

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

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  CHARLTON...PALMER...SPENCER...WARE...STURBRIDGE...WARREN...
  NORTH BROOKFIELD...WEST BROOKFIELD...BROOKFIELD...HARDWICK...
  EAST BROOKFIELD AND NEW BRAINTREE.

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 4227 7197 4216 7202 4219 7226 4220 7226
      4224 7223 4224 7225 4223 7226 4223 7230
      4230 7232 4233 7230 4233 7228
TIME...MOT...LOC 2313Z 278DEG 23KT 4230 7222 

HAIL...0.88IN
WIND...60MPH
 
$$

FRANK
1 follow-up statement
895 
WWUS51 KBOX 222333
SVSBOX

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

MAC015-027-222343-
/O.CAN.KBOX.SV.W.0050.000000T0000Z-160722T2345Z/
HAMPSHIRE MA-WORCESTER MA-
733 PM EDT FRI JUL 22 2016

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL HAMPSHIRE AND
SOUTHWESTERN WORCESTER COUNTIES IS CANCELLED...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE...THE WARNING HAS BEEN CANCELLED.

LAT...LON 4227 7197 4216 7202 4219 7226 4220 7226
      4224 7223 4224 7225 4223 7226 4223 7230
      4230 7232 4233 7230 4233 7228
TIME...MOT...LOC 2332Z 278DEG 23KT 4228 7205 

$$

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, 6:53 PM EDTSevere Thunderstorm WarningBOXHampshire, Worcester52 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.