Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 73, NWS Boston/Norton, MA

July 23, 2016Franklin County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jul 23, 2016, 6:52 PM EDT for Franklin County, Massachusetts. It was in force for 38 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 23, 2016, 6:52 PM EDT (22:52 UTC)
Expired
Jul 23, 2016, 7:30 PM EDT
In force
38 min
Issued by
NWS Boston/Norton, MA
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Franklin County, MA

The radar

The Albany radar (KENX), 112 km from the middle of the area, began a volume at 22:54 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
Jul 23, 6:04 PM EDTSevere Thunderstorm WatchSPC2 hr

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 10.9 hours before the alert went out and 94 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 2016-07-23Temperature 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 2016-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 square meters per square second.1939587897Sfc1 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
1488 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted.

613 
WUUS51 KBOX 232252
SVRBOX
MAC011-232330-
/O.NEW.KBOX.SV.W.0073.160723T2252Z-160723T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
652 PM EDT SAT JUL 23 2016

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  FRANKLIN COUNTY IN WESTERN MASSACHUSETTS...

* UNTIL 730 PM EDT

* AT 652 PM EDT...A SEVERE THUNDERSTORM WAS LOCATED OVER HEATH...OR
  14 MILES NORTHWEST OF GREENFIELD...MOVING SOUTHEAST AT 35 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  GREENFIELD...ORANGE...DEERFIELD...MONROE...MONTAGUE...SUNDERLAND...
  NORTHFIELD...BERNARDSTON...BUCKLAND...CONWAY...SHELBURNE...
  LEVERETT...ERVING...SHUTESBURY...ASHFIELD...COLRAIN...GILL...
  WHATELY...CHARLEMONT 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 4273 7244 4256 7227 4253 7227 4251 7224
      4249 7227 4244 7270 4245 7270 4245 7276
      4247 7277 4249 7287 4254 7288 4256 7297
      4266 7295 4267 7300 4270 7295 4270 7302
      4274 7302
TIME...MOT...LOC 2252Z 321DEG 29KT 4273 7282 

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

FRANK

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 8:15 PM EDTSpecial Marine WarningBOX90 min
Jul 22, 8:25 PM EDTSevere Thunderstorm WarningBOXBristol, Norfolk65 min
Jul 22, 8:31 PM EDTSevere Thunderstorm WarningBOXMiddlesex, Norfolk, Plymouth, Suffolk59 min
Jul 22, 8:44 PM EDTSpecial Marine WarningBOX61 min
Jul 22, 8:44 PM EDTSevere Thunderstorm WarningBOXBristol46 min
Jul 22, 8:49 PM EDTSevere Thunderstorm WarningBOXBristol, Plymouth56 min
Jul 22, 8:53 PM EDTSpecial Marine WarningBOX52 min
Jul 22, 9:04 PM EDTSevere Thunderstorm WarningBOXPlymouth41 min
Jul 22, 9:27 PM EDTSpecial Weather StatementBOXBristol48 min
Jul 22, 9:40 PM EDTSevere Thunderstorm WarningBOXBarnstable, Plymouth35 min
Jul 22, 9:42 PM EDTSpecial Marine WarningBOX48 min
Jul 22, 10:05 PM EDTSevere Thunderstorm WarningBOXBarnstable40 min
Jul 22, 10:09 PM EDTSpecial Marine WarningBOX66 min
Jul 22, 10:15 PM EDTSpecial Marine WarningBOX60 min
Jul 22, 10:25 PM EDTSevere Thunderstorm WarningBOXBristol65 min
Jul 22, 10:40 PM EDTSpecial Marine WarningBOX65 min
Jul 22, 10:46 PM EDTSpecial Marine WarningBOX59 min
Jul 22, 11:06 PM EDTSevere Thunderstorm WarningBOXBristol54 min
Jul 22, 11:14 PM EDTSevere Thunderstorm WarningBOXBarnstable46 min
Jul 22, 11:37 PM EDTSpecial Marine WarningBOX83 min
Jul 22, 11:39 PM EDTSpecial Marine WarningBOX66 min
Jul 22, 11:55 PM EDTSevere Thunderstorm WarningBOXBarnstable, Bristol, Dukes, Plymouth50 min
Jul 23, 12:46 AM EDTSevere Thunderstorm WarningBOXDukes, Nantucket44 min
Jul 23, 1:10 AM EDTSpecial Weather StatementBOXBristol50 min
Jul 23, 1:41 AM EDTSpecial Weather StatementBOXBarnstable, Dukes, Nantucket94 min
Jul 23, 5:36 PM EDTSpecial Weather StatementBOXSuffolk39 min
Jul 23, 5:43 PM EDTSpecial Weather StatementBOXSuffolk32 min
Jul 23, 5:46 PM EDTSevere Thunderstorm WarningBOXEssex, Middlesex, Suffolk44 min
Jul 23, 5:52 PM EDTSpecial Marine WarningBOX38 min
Jul 23, 6:01 PM EDTSpecial Weather StatementBOXNorfolk44 min
Jul 23, 6:22 PM EDTSpecial Marine WarningBOX38 min
Jul 23, 6:27 PM EDTSpecial Weather StatementBOXSuffolk48 min
Jul 23, 6:38 PM EDTSevere Thunderstorm WarningBOXEssex, Middlesex, Worcester52 min
Jul 23, 6:46 PM EDTSpecial Marine WarningBOX119 min
Jul 23, 7:06 PM EDTSevere Thunderstorm WarningBOXEssex, Middlesex, Norfolk, Suffolk, Worcester54 min
Jul 23, 7:15 PM EDTSevere Thunderstorm WarningBOXFranklin, Hampden, Hampshire, Worcester60 min
Jul 23, 7:29 PM EDTSevere Thunderstorm WarningBOXEssex, Middlesex, Worcester31 min
Jul 23, 7:35 PM EDTSpecial Marine WarningBOX55 min
Jul 23, 7:46 PM EDTSpecial Marine WarningBOX59 min
Jul 23, 7:50 PM EDTSpecial Weather StatementBOXBristol40 min
Jul 23, 7:53 PM EDTSpecial Marine WarningBOX67 min
Jul 23, 7:54 PM EDTSpecial Weather StatementBOXBristol, Norfolk51 min
Jul 23, 7:57 PM EDTSpecial Weather StatementBOXBristol, Norfolk48 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.