Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 252, NWS Boston/Norton, MA

August 16, 20084 counties in Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 16, 2008, 4:51 PM EDT for 4 counties in Massachusetts. It was in force for 24 min. 2 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 16, 2008, 4:51 PM EDT (20:51 UTC)
Expired
Aug 16, 2008, 5:15 PM EDT
In force
24 min
Issued by
NWS Boston/Norton, MA
Area
Storm-based polygon

Counties Franklin County, MA, Hampden County, MA, Hampshire County, MA, Worcester County, MA

The radar

The Boston radar (KBOX), 101 km from the middle of the area, began a volume at 20:51 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 16, 5:01 PM EDTHAIL 0.884 N Belchertown, MA4 MILES NORTH OF TOWN CENTER ON RTE 202
Aug 16, 5:15 PM EDTHAIL 0.88Ware, 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 12:00Z, 8.9 hours before the alert went out and 135 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 2008-08-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 91 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 12:00Z on 2008-08-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -65 square meters per square second.19395878Sfc1 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
91 J/kg
Mixed-layer CIN
-90 J/kg
Mixed-layer LCL
862 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-65 m²/s²
0-3 km storm-relative helicity
-17 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS51 KBOX 162051
SVRBOX
MAC011-013-015-027-162115-
/O.NEW.KBOX.SV.W.0252.080816T2051Z-080816T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
451 PM EDT SAT AUG 16 2008

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WEST CENTRAL WORCESTER COUNTY IN CENTRAL MASSACHUSETTS...
  EXTREME SOUTHEASTERN FRANKLIN COUNTY IN WESTERN MASSACHUSETTS...
  NORTHEASTERN HAMPDEN COUNTY IN WESTERN MASSACHUSETTS...
  SOUTHEASTERN HAMPSHIRE COUNTY IN WESTERN MASSACHUSETTS...

* UNTIL 515 PM EDT

* AT 451 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM.  THIS STORM WAS LOCATED 9 MILES NORTHWEST OF
  WARE...OR 8 MILES SOUTHEAST OF AMHERST...AND MOVING EAST AT 19 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WARE BY 505 PM EDT...
  HARDWICK BY 510 PM EDT...
  WARREN BY 515 PM EDT...

LAT...LON 4236 7214 4220 7217 4229 7244 4235 7241
TIME...MOT...LOC 2051Z 283DEG 16KT 4231 7233

$$

NOCERA

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 15, 8:16 PM EDTAreal Flood AdvisoryBOXNorfolk2 hr
Aug 15, 10:50 PM EDTSpecial Marine WarningBOX55 min
Aug 16, 3:42 PM EDTSpecial Marine WarningBOX33 min
Aug 16, 4:20 PM EDTSpecial Marine WarningBOX25 min
Aug 16, 4:45 PM EDTSpecial Marine WarningBOX30 min
Aug 16, 5:07 PM EDTSevere Thunderstorm WarningBOXPlymouth23 min
Aug 16, 6:24 PM EDTSevere Thunderstorm WarningBOXPlymouth23 min
Aug 16, 6:33 PM EDTAreal Flood AdvisoryBOXPlymouth3 hr
Aug 16, 6:35 PM EDTSevere Thunderstorm WarningBOXBarnstable25 min
Aug 16, 6:36 PM EDTSpecial Marine WarningBOX54 min
Aug 16, 6:42 PM EDTSpecial Marine WarningBOX33 min
Aug 16, 6:51 PM EDTSpecial Marine WarningBOX24 min

Nearby

Severe Thunderstorm Warnings in Massachusetts, 2008Every severe thunderstorm warning in 2008

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.