Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 101, NWS Boston/Norton, MA

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

NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 13, 2016, 8:37 PM EDT for Franklin County, Hampden County, Hampshire County, Massachusetts; Capitol Planning Region, Connecticut. It was in force for 53 min. 3 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, 8:37 PM EDT (00:37 UTC)
Expired
Aug 13, 2016, 9:30 PM EDT
In force
53 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), 97 km from the middle of the area, began a volume at 00:39 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, 9:23 PM EDTTSTM WND DMGBlandford, MA6 TO 8 INCH DIMETER BRANCHES DOWN ON CHESTER ROAD
Aug 13, 9:30 PM EDTTSTM WND DMGChester, MATREE DOWN ON HILL ROAD
Aug 13, 9:32 PM EDTTSTM WND GST 60Cummington, MA

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, 0.6 hours before the alert went out and 85 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°0°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.

221 
WUUS51 KBOX 140037
SVRBOX
CTC003-MAC011-013-015-140130-
/O.NEW.KBOX.SV.W.0101.160814T0037Z-160814T0130Z/

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

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

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

* UNTIL 930 PM EDT

* AT 836 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR POWNAL TO NEAR NASSAU TO NEAR LIVINGSTON TO
  PORT EWEN...MOVING EAST AT 25 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  MONROE...GRANBY...CANTON...WILLIAMSBURG...HUNTINGTON...HARTLAND...
  BUCKLAND...CONWAY...SHELBURNE...RUSSELL...ASHFIELD...COLRAIN...
  WESTHAMPTON...GRANVILLE...CHESTER...CHARLEMONT...BLANDFORD...
  CHESTERFIELD...WORTHINGTON AND GOSHEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS SITUATION. THESE STORMS ARE PRODUCING WIDESPREAD
WIND DAMAGE ACROSS UPSTATE NY AND SOUTHERN VT. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS! 
&&

LAT...LON 4227 7300 4238 7307 4239 7301 4263 7295
      4267 7300 4270 7295 4270 7302 4274 7302
      4273 7259 4251 7274 4192 7290 4197 7293
      4186 7292 4186 7295 4193 7293 4197 7296
      4197 7303 4204 7301 4204 7306 4210 7307
TIME...MOT...LOC 0036Z 261DEG 23KT 4275 7328 4249 7354 4214 7369 4188
7397

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

SIPPRELL

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 13, 8:22 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, 9:09 PM EDTSevere Thunderstorm WarningBOXFranklin, Hampden, Hampshire44 min
Aug 13, 9:29 PM EDTSevere Thunderstorm WarningBOXFranklin, Hampden, Hampshire46 min
Aug 13, 9:31 PM EDTAreal Flood WarningBOXFranklin, Hampshire, Worcester119 min
Aug 13, 9:59 PM EDTSpecial Weather StatementBOXEssex, Middlesex, Worcester61 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, 10:38 PM EDTSevere Thunderstorm WarningBOXMiddlesex, Worcester52 min
Aug 13, 11:04 PM EDTSpecial Weather StatementBOXNorfolk41 min
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, 3:28 AM EDTExcessive Heat WarningBOXBristol, Plymouth16 hr
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
Aug 13, 10:28 PM EDTSpecial Weather StatementBOX47 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

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.