Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 103, NWS Boston/Norton, MA

August 13, 2016Capitol Planning Region, Connecticut; Franklin County, Hampden County, Hampshire County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 13, 2016, 9:29 PM EDT for Capitol Planning Region, Connecticut; Franklin County, Hampden County, Hampshire County, Massachusetts. It was in force for 46 min. 5 reports 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 13, 2016, 9:29 PM EDT (01:29 UTC)
Expired
Aug 13, 2016, 10:15 PM EDT
In force
46 min
Issued by
NWS Boston/Norton, MA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Capitol Planning Region, CT, Franklin County, MA, Hampden County, MA, Hampshire County, MA

The radar

The Albany radar (KENX), 107 km from the middle of the area, began a volume at 01:32 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 13, 9:30 PM EDTTSTM WND DMGChester, MATREE DOWN ON HILL ROAD
Aug 13, 9:32 PM EDTTSTM WND GST 60Cummington, MA
Aug 13, 9:45 PM EDTTSTM WND DMGShutesbury, MATREES AND WIRES DOWN ON ROUTE 202
Aug 13, 9:50 PM EDTTSTM WND DMGMontague, MATREE DOWN ON SUTH AND FEDERAL STREET
Aug 13, 10:11 PM EDTTSTM WND DMGAmherst, MATREE AND WIRES DOWN ON MONTAGUE ROAD

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 00:00Z, 1.5 hours before the alert went out and 93 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 00:00Z on 2016-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2222 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 00:00Z on 2016-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 112 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
2222 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
1393 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
112 m²/s²
0-3 km storm-relative helicity
175 m²/s²
Significant tornado parameter
0.0
Supercell composite
9.0

Open this sounding in Storm Lab

The text

As transmitted.

560 
WUUS51 KBOX 140129
SVRBOX
CTC003-MAC011-013-015-140215-
/O.NEW.KBOX.SV.W.0103.160814T0129Z-160814T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
929 PM EDT SAT AUG 13 2016

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN HARTFORD COUNTY IN NORTHERN CONNECTICUT...
  HAMPSHIRE COUNTY IN WESTERN MASSACHUSETTS...
  HAMPDEN COUNTY IN WESTERN MASSACHUSETTS...
  FRANKLIN COUNTY IN WESTERN MASSACHUSETTS...

* UNTIL 1015 PM EDT

* AT 927 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR GUILFORD CENTER TO PLAINFIELD TO NEAR BLANDFORD
  TO 6 MILES SOUTH OF NORFOLK...MOVING EAST AT 45 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  SPRINGFIELD...CHICOPEE...ENFIELD...WESTFIELD...HOLYOKE...AMHERST...
  WINDSOR...NORTHAMPTON...AGAWAM...WEST SPRINGFIELD...
  SOUTH WINDSOR...GREENFIELD...ORANGE...DEERFIELD...SIMSBURY...
  LUDLOW...BLOOMFIELD...AVON...SOUTH HADLEY AND EASTHAMPTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS SITUATION. THESE STORMS ARE PRODUCING WIDESPREAD
WIND DAMAGE ACROSS BERKSHIRE COUNTY MASSACHUSETTS. EXPECTING
STRONGEST WINDS AROUND EAST WINDSOR...CUMMINGTON...AND GOSHEN
MASSACHUSETTS. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS! 

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 7300 4238 7307 4239 7301 4263 7295
      4267 7300 4270 7295 4270 7302 4274 7302
      4272 7228 4264 7222 4258 7228 4204 7246
      4203 7251 4184 7252 4179 7302 4181 7295
      4197 7289 4197 7303 4204 7301 4210 7307
TIME...MOT...LOC 0127Z 262DEG 39KT 4278 7258 4253 7293 4214 7293 4191
7322

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

SIPPRELL
1 follow-up statement
199 
WWUS51 KBOX 140150
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
950 PM EDT SAT AUG 13 2016

CTC003-MAC013-140200-
/O.CAN.KBOX.SV.W.0103.000000T0000Z-160814T0215Z/
HARTFORD CT-HAMPDEN MA-
950 PM EDT SAT AUG 13 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN HARTFORD AND HAMPDEN
COUNTIES IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED.
THEREFORE...THE WARNING HAS BEEN CANCELLED.

LAT...LON 4273 7268 4272 7228 4264 7222 4258 7228
      4231 7237 4227 7282
TIME...MOT...LOC 0150Z 263DEG 43KT 4250 7264 

$$

MAC011-015-140215-
/O.CON.KBOX.SV.W.0103.000000T0000Z-160814T0215Z/
HAMPSHIRE MA-FRANKLIN MA-
950 PM EDT SAT AUG 13 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT
FOR CENTRAL HAMPSHIRE AND FRANKLIN COUNTIES...

AT 950 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
DEERFIELD...OR 8 MILES SOUTH OF GREENFIELD...MOVING EAST AT 50 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
AMHERST...NORTHAMPTON...GREENFIELD...ORANGE...DEERFIELD...
SOUTH HADLEY...EASTHAMPTON...BELCHERTOWN...MONTAGUE...GRANBY...
HADLEY...SUNDERLAND...HATFIELD...NORTHFIELD...WILLIAMSBURG...
BERNARDSTON...CONWAY...SHELBURNE...LEVERETT AND ERVING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS SITUATION. THIS STORM IS PRODUCING WIDESPREAD
WIND DAMAGE. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS.

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 4273 7268 4272 7228 4264 7222 4258 7228
      4231 7237 4227 7282
TIME...MOT...LOC 0150Z 263DEG 43KT 4250 7264 

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

SIPPRELL

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 13, 8:37 PM EDTSevere Thunderstorm WarningBOXCapitol Planning Region53 min
Aug 13, 9:09 PM EDTSevere Thunderstorm WarningBOXCapitol Planning Region44 min
Aug 13, 9:59 PM EDTSpecial Weather StatementBOX61 min
Aug 13, 10:28 PM EDTSpecial Weather StatementBOX47 min
Aug 13, 10:38 PM EDTSevere Thunderstorm WarningBOXNortheastern Connecticut Planning Region52 min
Aug 13, 11:04 PM EDTSpecial Weather StatementBOX41 min
Aug 13, 11:19 PM EDTAreal Flood WarningBOXNortheastern Connecticut Planning Region3 hr
Aug 14, 12:06 AM EDTSpecial Weather StatementBOX54 min
Aug 14, 12:15 AM EDTSevere Thunderstorm WarningBOXCapitol Planning Region45 min
Aug 14, 12:37 AM EDTSpecial Weather StatementBOX38 min
Aug 14, 12:51 AM EDTSpecial Weather StatementBOX39 min
Aug 14, 1:32 AM EDTSpecial Weather StatementBOX58 min
Aug 14, 3:28 AM EDTExcessive Heat WarningBOXCapitol Planning Region16 hr
Aug 13, 8:22 PM EDTSpecial Weather StatementBOXFranklin38 min
Aug 13, 8:59 PM EDTSpecial Weather StatementBOXFranklin, Hampden, Hampshire61 min
Aug 13, 9:04 PM EDTAreal Flood WarningBOXFranklin, Hampshire, Middlesex, Worcester116 min
Aug 13, 9:04 PM EDTSpecial Weather StatementBOXMiddlesex56 min
Aug 13, 9:31 PM EDTAreal Flood WarningBOXFranklin, Hampshire, Worcester119 min
Aug 13, 10:07 PM EDTSevere Thunderstorm WarningBOXFranklin, Hampshire, Middlesex, Worcester38 min
Aug 13, 10:15 PM EDTSevere Thunderstorm WarningBOXHampden, Hampshire, Worcester45 min
Aug 13, 10:25 PM EDTFlash Flood WarningBOXWorcester2 hr
Aug 13, 11:06 PM EDTSpecial Marine WarningBOX54 min
Aug 13, 11:35 PM EDTSpecial Weather StatementBOXBristol, Norfolk, Plymouth55 min
Aug 13, 11:42 PM EDTSpecial Marine WarningBOX63 min
Aug 14, 12:44 AM EDTSpecial Marine WarningBOX61 min
Aug 14, 1:44 AM EDTSpecial Marine WarningBOX61 min
Aug 14, 1:50 AM EDTSevere Thunderstorm WarningBOXWorcester40 min
Aug 14, 2:04 AM EDTSpecial Weather StatementBOXBristol, Norfolk56 min
Aug 14, 2:10 AM EDTSpecial Marine WarningBOX65 min
Aug 14, 2:28 AM EDTSevere Thunderstorm WarningBOXNorfolk, Plymouth, Suffolk32 min
Aug 14, 3:13 AM EDTSpecial Marine WarningBOX62 min
Aug 14, 7:27 PM EDTSpecial Weather StatementBOXWorcester33 min
Aug 14, 7:47 PM EDTSpecial Weather StatementBOXWorcester28 min
Aug 14, 7:49 PM EDTSevere Thunderstorm WarningBOXMiddlesex, Worcester38 min

Nearby

Severe Thunderstorm Warnings in Massachusetts, 2016Severe Thunderstorm Warnings in Connecticut, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.