Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 101, NWS Boston/Norton, MA

June 27, 2008Essex County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Jun 27, 2008, 4:48 PM EDT for Essex County, Massachusetts. It was in force for 42 min. 1 report 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
Jun 27, 2008, 4:48 PM EDT (20:48 UTC)
Expired
Jun 27, 2008, 5:30 PM EDT
In force
42 min
Issued by
NWS Boston/Norton, MA
Area
Storm-based polygon

County Essex County, MA

The radar

The Boston radar (KBOX), 84 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
Jun 27, 5:00 PM EDTTSTM WND DMGRowley, MALARGE BRANCHES DOWN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 8.8 hours before the alert went out and 133 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, Chatham, MA at 12:00Z on 2008-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 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, Chatham, MA at 12:00Z on 2008-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
14 J/kg
Mixed-layer CIN
-215 J/kg
Mixed-layer LCL
1224 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBOX 272048
SVRBOX
MAC009-272130-
/O.NEW.KBOX.SV.W.0101.080627T2048Z-080627T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
448 PM EDT FRI JUN 27 2008

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ESSEX COUNTY IN EASTERN MASSACHUSETTS...
  THIS INCLUDES THE CITY OF BEVERLY...

* UNTIL 530 PM EDT

* AT 447 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  GEORGETOWN...OR 7 MILES SOUTHWEST OF NEWBURYPORT...AND MOVING
  SOUTHEAST AT 27 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  TOPSFIELD BY 455 PM EDT...
  ROWLEY BY 500 PM EDT...
  IPSWICH AND HAMILTON BY 505 PM EDT...
  WENHAM BY 510 PM EDT...
  ESSEX AND 7 MILES NORTHEAST OF BEVERLY BY 515 PM EDT...

THIS STORM HAS A HISTORY OF PRODUCING DAMAGING WINDS AND LARGE
HAIL. GO INDOORS NOW...PREFERABLY INSIDE A STRONG BUILDING
AND AWAY FROM WINDOWS.

LAT...LON 4253 7087 4270 7112 4283 7098 4277 7078
      4271 7077 4270 7075 4268 7072 4266 7071
TIME...MOT...LOC 2048Z 301DEG 24KT 4274 7097

$$
EKSTER
2 follow-up statements
000 
WWUS51 KBOX 272104
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
504 PM EDT FRI JUN 27 2008

MAC009-272130-
/O.CON.KBOX.SV.W.0101.000000T0000Z-080627T2130Z/
ESSEX MA-
504 PM EDT FRI JUN 27 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR CENTRAL ESSEX COUNTY...

AT 456 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR ROWLEY...OR 7 MILES SOUTH OF NEWBURYPORT...MOVING
SOUTHEAST AT 21 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  IPSWICH BY 515 PM EDT...
  ESSEX BY 525 PM EDT...

LAT...LON 4260 7081 4269 7102 4277 7094 4272 7077
      4270 7075 4269 7075 4269 7074 4266 7071
TIME...MOT...LOC 2104Z 300DEG 18KT 4269 7088

$$
MLE
000 
WWUS51 KBOX 272117
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
517 PM EDT FRI JUN 27 2008

MAC009-272130-
/O.CON.KBOX.SV.W.0101.000000T0000Z-080627T2130Z/
ESSEX MA-
516 PM EDT FRI JUN 27 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR CENTRAL ESSEX COUNTY...

AT 510 PM EDT...A SEVERE THUNDERSTORM WAS REPORTED CAPABLE OF
PRODUCING PENNY SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. 
THIS STORM WAS LOCATED NEAR IPSWICH...OR 8 MILES NORTH OF BEVERLY...
MOVING SOUTHEAST AT 27 MPH.

LAT...LON 4262 7081 4266 7091 4273 7081 4272 7077
      4270 7075 4269 7075 4269 7074 4266 7071
TIME...MOT...LOC 2116Z 293DEG 23KT 4266 7077

$$
MLE

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 1:09 PM EDTSpecial Marine WarningBOX36 min
Jun 27, 1:35 PM EDTSevere Thunderstorm WarningBOXMiddlesex, Norfolk, Suffolk, Worcester25 min
Jun 27, 1:56 PM EDTSevere Thunderstorm WarningBOXEssex, Middlesex, Norfolk, Plymouth, Suffolk49 min
Jun 27, 2:10 PM EDTSpecial Marine WarningBOX65 min
Jun 27, 2:12 PM EDTSevere Thunderstorm WarningBOXNorfolk, Plymouth, Suffolk33 min
Jun 27, 2:14 PM EDTAreal Flood AdvisoryBOXMiddlesex, Norfolk, Plymouth, Suffolk46 min
Jun 27, 2:56 PM EDTSpecial Marine WarningBOX64 min
Jun 27, 3:15 PM EDTSpecial Marine WarningBOX30 min
Jun 27, 3:37 PM EDTSevere Thunderstorm WarningBOXFranklin, Worcester38 min
Jun 27, 4:14 PM EDTSevere Thunderstorm WarningBOXEssex49 min
Jun 27, 4:15 PM EDTSevere Thunderstorm WarningBOXWorcester21 min
Jun 27, 4:56 PM EDTAreal Flood AdvisoryBOXEssex2 hr
Jun 27, 5:14 PM EDTSpecial Marine WarningBOX61 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.