Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 226, NWS Boston/Norton, MA

August 7, 2008Norfolk County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 7, 2008, 11:34 PM EDT for Norfolk County, Massachusetts. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 7, 2008, 11:34 PM EDT (03:34 UTC)
Expired
Aug 8, 2008, 12:15 AM EDT
In force
41 min
Issued by
NWS Boston/Norton, MA
Area
Storm-based polygon

County Norfolk County, MA

The radar

The Boston radar (KBOX), 24 km from the middle of the area, began a volume at 03:37 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 nearest sounding before it

Brookhaven, NY (KOKX), launched 00:00Z, 3.6 hours before the alert went out and 202 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, Brookhaven, NY at 00:00Z on 2008-08-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1667 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, Brookhaven, NY at 00:00Z on 2008-08-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 123 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
1667 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
704 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
123 m²/s²
0-3 km storm-relative helicity
157 m²/s²
Significant tornado parameter
1.2
Supercell composite
7.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Boston/Norton, MA wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 7, 9:46 PM EDT, 1 hour 48 minutes earlier.

Area forecast discussion, Aug 7, 9:46 PM EDT, 1 hour 48 minutes before
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Hazardous weather outlook, Aug 7, 4:30 PM EDT, 7 hours 4 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAUNTON MA
430 PM EDT THU AUG 7 2008

CTZ002>004-MAZ002>005-008>012-014-026-NHZ011-012-015-RIZ001-002-
082030-
HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA-
EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
EASTERN HAMPDEN MA-SOUTHERN WORCESTER MA-SOUTHEAST MIDDLESEX MA-
NORTHERN MIDDLESEX MA-CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-
430 PM EDT THU AUG 7 2008

...SEVERE THUNDERSTORM WATCH 813 IN EFFECT UNTIL 8 PM EDT THIS
EVENING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN
CONNECTICUT...CENTRAL MASSACHUSETTS...EASTERN
MASSACHUSETTS...WESTERN MASSACHUSETTS...SOUTHERN NEW HAMPSHIRE AND
NORTHERN RHODE ISLAND.

.DAY ONE...TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   SEVERE THUNDERSTORM WATCH.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

SCATTERED SEVERE THUNDERSTORMS ARE POSSIBLE FRIDAY WITH LARGE HAIL
THE PRIMARY THREAT. ISOLATED DAMAGING WIND GUSTS ARE ALSO POSSIBLE.
HEAVY RAINFALL FROM SLOW MOVING THUNDERSTORMS MAY ALSO RESULT IN
AREAS OF URBAN AND POOR DRAINAGE FLOODING.

ADDITIONAL ISOLATED TO SCATTERED THUNDERSTORMS ARE POSSIBLE SATURDAY
AND SUNDAY AFTERNOONS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

MAZ006-007-013-015>024-RIZ003>008-082030-
WESTERN ESSEX MA-EASTERN ESSEX MA-WESTERN NORFOLK MA-SUFFOLK MA-
EASTERN NORFOLK MA-NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-
EASTERN PLYMOUTH MA-SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-
BARNSTABLE MA-DUKES MA-NANTUCKET MA-WESTERN KENT RI-EASTERN KENT RI-
BRISTOL RI-WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI-
430 PM EDT THU AUG 7 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN
MASSACHUSETTS...NORTHEASTERN MASSACHUSETTS...SOUTHEASTERN
MASSACHUSETTS...NORTHERN RHODE ISLAND AND SOUTHERN RHODE ISLAND.

.DAY ONE...TONIGHT.

SCATTERED THUNDERSTORMS ARE EXPECTED LATER TONIGHT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

SCATTERED SEVERE THUNDERSTORMS ARE POSSIBLE FRIDAY WITH LARGE HAIL
THE PRIMARY THREAT. ISOLATED DAMAGING WIND GUSTS ARE ALSO POSSIBLE.
HEAVY RAINFALL FROM SLOW MOVING THUNDERSTORMS MAY ALSO RESULT IN
AREAS OF URBAN AND POOR DRAINAGE FLOODING.

ADDITIONAL ISOLATED TO SCATTERED THUNDERSTORMS ARE POSSIBLE SATURDAY
AND SUNDAY AFTERNOONS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

ANZ230>237-250-254-255-082030-
BOSTON HARBOR-CAPE COD BAY-NANTUCKET SOUND-VINEYARD SOUND-
BUZZARDS BAY-RHODE ISLAND SOUND-NARRAGANSETT BAY-BLOCK ISLAND SOUND-
COASTAL WATERS FROM MERRIMACK RIVER MA OUT 25 NM TO PLYMOUTH MA OUT
40 NM...INCLUDING THE STELLWAGEN BANK NATIONAL MARINE SANCTUARY-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
COASTAL WATERS FROM MONTAUK NY TO BLOCK ISLAND RI TO MARTHAS
VINEYARD MA TO NANTUCKET MA SOUTHEAST TO 20 NM-
430 PM EDT THU AUG 7 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS COASTAL WATERS
AND RHODE ISLAND COASTAL WATERS.

.DAY ONE...TONIGHT.

SCATTERED THUNDERSTORMS ARE POSSIBLE TONIGHT...ESPECIALLY FOR THE
EASTERN MASSACHUSETTS COASTAL WATERS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

THUNDERSTORMS WITH GUSTS TO 35 KNOTS AND SMALL HAIL ARE POSSIBLE
FRIDAY...MAINLY ALONG THE EASTERN MASSACHUSETTS COASTAL WATERS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

In the hours before

Local storm report, Aug 7, 7:12 PM EDT, 4 hours 22 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE TAUNTON MA
712 PM EDT THU AUG 07 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0112 PM     FLOOD            HOLYOKE                 42.21N 72.64W
08/07/2008                   HAMPDEN            MA   AMATEUR RADIO

            SARGENT STREET UNDERPASS FLOODED OUT. PEOPLE TRAPPED IN
            CARS STUCK IN FLOOD WATERS. COMMERCIAL STREET CLOSED DUE
            TO FLOODING.

0114 PM     HAIL             AGAWAM                  42.07N 72.62W
08/07/2008  E0.75 INCH       HAMPDEN            MA   AMATEUR RADIO

0123 PM     HAIL             HOLYOKE                 42.21N 72.64W
08/07/2008  E0.75 INCH       HAMPDEN            MA   AMATEUR RADIO

            ON NORTHAMPTON ST.

0124 PM     HAIL             HOLYOKE                 42.21N 72.64W
08/07/2008  E0.75 INCH       HAMPDEN            MA   AMATEUR RADIO

            ROUTE 5.

0125 PM     HAIL             HOLYOKE                 42.21N 72.64W
08/07/2008  E0.75 INCH       HAMPDEN            MA   AMATEUR RADIO

            ON I-91.

0126 PM     HAIL             HOLYOKE                 42.21N 72.64W
08/07/2008  E0.75 INCH       HAMPDEN            MA   AMATEUR RADIO

0129 PM     HAIL             HOLYOKE                 42.21N 72.64W
08/07/2008  E0.75 INCH       HAMPDEN            MA   AMATEUR RADIO

            IN THE SOUTHERN PART OF TOWN.

0130 PM     HAIL             CHICOPEE                42.18N 72.57W
08/07/2008  E0.75 INCH       HAMPDEN            MA   AMATEUR RADIO

            THROUGH 1333 LDT.

0133 PM     HAIL             WEST HARTFORD           41.77N 72.75W
08/07/2008  E0.75 INCH       HARTFORD           CT   AMATEUR RADIO

0135 PM     HAIL             WEST HARTFORD           41.77N 72.75W
08/07/2008  E0.75 INCH       HARTFORD           CT   AMATEUR RADIO

            ON NEW PARK/NEW BRITAIN LINE

0135 PM     LIGHTNING        SPRINGFIELD             42.12N 72.54W
08/07/2008                   HAMPDEN            MA   AMATEUR RADIO

            GARAGE FIRE FROM LIGHTNING ON METHUEN ST.

0137 PM     TSTM WND DMG     CHICOPEE                42.18N 72.57W
08/07/2008                   HAMPDEN            MA   AMATEUR RADIO

            TREE DOWN ON CAR ON HENRY HARRIS ROAD

0137 PM     HAIL             CHICOPEE                42.18N 72.57W
08/07/2008  E0.88 INCH       HAMPDEN            MA   AMATEUR RADIO

            ON SPRINGFIELD ST.

0137 PM     HAIL             WEST HARTFORD           41.77N 72.75W
08/07/2008  E0.75 INCH       HARTFORD           CT   AMATEUR RADIO

            ELMWOOD STREET

0149 PM     FLOOD            HOLYOKE                 42.21N 72.64W
08/07/2008                   HAMPDEN            MA   AMATEUR RADIO

            RTE 391 NEAR MAIN STREET UNDEPASS FLOODED OUT

0150 PM     HAIL             WEST HARTFORD           41.77N 72.75W
08/07/2008  E0.75 INCH       HARTFORD           CT   AMATEUR RADIO

            IN ELMWOOD SECTION LASTING 10 MINUTES

0200 PM     TSTM WND DMG     BOLTON                  41.77N 72.43W
08/07/2008                   TOLLAND            CT   AMATEUR RADIO

            TREES DOWN AND APPLES BLOWN OF TREES ON RTE 117

0205 PM     FLOOD            SPRINGFIELD             42.12N 72.54W
08/07/2008                   HAMPDEN            MA   AMATEUR RADIO

            BASEMENTS FLOODED ON WAIRE STREET

0205 PM     TSTM WND DMG     WEST SPRINGFIELD        42.12N 72.65W
08/07/2008                   HAMPDEN            MA   AMATEUR RADIO

            LARGE LIMBS AND WIRES DOWN ON DAY STREET

0207 PM     TSTM WND DMG     BELCHERTOWN             42.27N 72.40W
08/07/2008                   HAMPSHIRE          MA   AMATEUR RADIO

            WIRES DOWN ON SPRINGFIELD ROAD

0209 PM     HAIL             GRAFTON                 42.20N 71.68W
08/07/2008  E1.00 INCH       WORCESTER          MA   AMATEUR RADIO

            PENNY TO QUARTER SIZE HAIL FOR 5 MINUTES IN NORTH GRAFTON

0213 PM     FLOOD            SPRINGFIELD             42.12N 72.54W
08/07/2008                   HAMPDEN            MA   AMATEUR RADIO

            LIBERTY CAREW AND WORTHINGTON STREETS FLOODED OUT AND CAR
            STUCK IN FLOOD WATERS AT ROOSEVELT AND BELCHER AVE.

0215 PM     HAIL             HUDSON                  42.39N 71.56W
08/07/2008  E1.00 INCH       MIDDLESEX          MA   AMATEUR RADIO

            3/4 TO 1 INCH HAIL

0216 PM     HAIL             GREENFIELD              42.59N 72.60W
08/07/2008  E0.75 INCH       FRANKLIN           MA   AMATEUR RADIO

            IN TURNERS FALLS SECTION OF GREENFIELD

0217 PM     HAIL             HUDSON                  42.39N 71.56W
08/07/2008  E0.75 INCH       MIDDLESEX          MA   AMATEUR RADIO

            IN RTE 62 AREA

0218 PM     HAIL             MARLBOROUGH             42.35N 71.55W
08/07/2008  E1.00 INCH       MIDDLESEX          MA   TRAINED SPOTTER

0225 PM     HAIL             MARLBOROUGH             42.35N 71.55W
08/07/2008  E0.75 INCH       MIDDLESEX          MA   TRAINED SPOTTER

0229 PM     HAIL             MARLBOROUGH             42.35N 71.55W
08/07/2008  E0.88 INCH       MIDDLESEX          MA   AMATEUR RADIO

0229 PM     TSTM WND DMG     MARLBOROUGH             42.35N 71.55W
08/07/2008                   MIDDLESEX          MA   AMATEUR RADIO

            TREES WIRES DOWN IN MULTIPLE AREAS

0230 PM     HAIL             MARLBOROUGH             42.35N 71.55W
08/07/2008  E0.75 INCH       MIDDLESEX          MA   AMATEUR RADIO

0236 PM     HAIL             WEST HARTFORD           41.77N 72.75W
08/07/2008  E0.75 INCH       HARTFORD           CT   AMATEUR RADIO

0237 PM     FUNNEL CLOUD     SUNDERLAND              42.47N 72.58W
08/07/2008                   FRANKLIN           MA   AMATEUR RADIO

            ON RTE 116 AREA

0239 PM     HAIL             WEST HARTFORD           41.77N 72.75W
08/07/2008  E1.00 INCH       HARTFORD           CT   AMATEUR RADIO

0242 PM     FUNNEL CLOUD     NEW SALEM               42.50N 72.33W
08/07/2008                   FRANKLIN           MA   AMATEUR RADIO

            FUNNEL CLOUD SIGHTED OVER NEW SALEM

0242 PM     TSTM WND DMG     SUNDERLAND              42.47N 72.58W
08/07/2008                   FRANKLIN           MA   AMATEUR RADIO

            TREE TOPS BLOWN DOWN ON RTE 116 AREA NEAR CLIFFSIDE
            APARTMENTS. POSSIBLE TORNADO

0248 PM     HAIL             WEST HARTFORD           41.77N 72.75W
08/07/2008  E0.75 INCH       HARTFORD           CT   AMATEUR RADIO

            ELMWOOD SECTION

0255 PM     HAIL             GRAFTON                 42.20N 71.68W
08/07/2008  E0.75 INCH       WORCESTER          MA   TRAINED SPOTTER

0300 PM     TSTM WND DMG     WETHERSFIELD            41.70N 72.67W
08/07/2008                   HARTFORD           CT   TRAINED SPOTTER

            TREES DOWN AREA OF RTE 5

0300 PM     TSTM WND DMG     NEWINGTON               41.69N 72.73W
08/07/2008                   HARTFORD           CT   TRAINED SPOTTER

            TREE DOWN ON RTE 75

0320 PM     FLOOD            SHREWSBURY              42.30N 71.72W
08/07/2008                   WORCESTER          MA   AMATEUR RADIO

            RTE 9 FROM WORCESTER LINE TO RTE 140 FLOODED

0355 PM     TSTM WND DMG     WINCHESTER              42.78N 72.38W
08/07/2008                   CHESHIRE           NH   AMATEUR RADIO

            TREES DOWN ON WIRES ON WATSON RD

0611 PM     HAIL             PLAINFIELD              42.52N 72.92W
08/07/2008  E0.75 INCH       HAMPSHIRE          MA   TRAINED SPOTTER

0612 PM     HAIL             BLANDFORD               42.18N 72.93W
08/07/2008  E0.88 INCH       HAMPDEN            MA   AMATEUR RADIO

            ON BLANDFORD AND EAST OTIS LINE

0629 PM     HAIL             BLANDFORD               42.18N 72.93W
08/07/2008  E0.75 INCH       HAMPDEN            MA   AMATEUR RADIO

            HAIL BEGAN AS PEA SIZE AT 619 PM AND ENDED AT 635 PM.
            HAIL COVERED GROUND TO 3 INCH DEPTH.

0640 PM     HAIL             GOSHEN                  42.43N 72.80W
08/07/2008  E0.88 INCH       HAMPSHIRE          MA   AMATEUR RADIO

&&

AED
Special weather statement, Aug 7, 9:07 PM EDT, 2 hours 27 minutes before
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Local storm report, Aug 7, 9:45 PM EDT, 1 hour 49 minutes before
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Special weather statement, Aug 7, 10:24 PM EDT, 1 hour 10 minutes before
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Special weather statement, Aug 7, 10:56 PM EDT, 38 minutes before
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Special weather statement, Aug 7, 11:29 PM EDT, 5 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 8:06 PM EDTFlash Flood WarningBOXFranklin, Hampden, Hampshire114 min
Aug 7, 8:45 PM EDTSevere Thunderstorm WarningBOXHampden60 min
Aug 7, 10:21 PM EDTSpecial Marine WarningBOX54 min
Aug 7, 11:08 PM EDTSpecial Marine WarningBOX52 min
Aug 8, 12:01 AM EDTAreal Flood AdvisoryBOXBristol, Middlesex, Norfolk, Plymouth, Suffolk, Worcester3 hr
Aug 8, 12:28 AM EDTSpecial Marine WarningBOX92 min
Aug 8, 12:13 PM EDTSpecial Marine WarningBOX62 min
Aug 8, 1:12 PM EDTSpecial Marine WarningBOX63 min
Aug 8, 2:12 PM EDTSpecial Marine WarningBOX93 min
Aug 8, 2:18 PM EDTSevere Thunderstorm WarningBOXFranklin57 min
Aug 8, 2:22 PM EDTAreal Flood AdvisoryBOXFranklin, Hampden, Hampshire3 hr
Aug 8, 2:30 PM EDTSevere Thunderstorm WarningBOXEssex60 min
Aug 8, 2:32 PM EDTSpecial Marine WarningBOX58 min
Aug 8, 2:45 PM EDTAreal Flood AdvisoryBOXEssex, Middlesex3 hr
Aug 8, 2:53 PM EDTSpecial Marine WarningBOX82 min
Aug 8, 3:22 PM EDTSevere Thunderstorm WarningBOXPlymouth53 min
Aug 8, 3:24 PM EDTSevere Thunderstorm WarningBOXHampden51 min
Aug 8, 3:53 PM EDTAreal Flood AdvisoryBOXPlymouth3 hr
Aug 8, 4:12 PM EDTSevere Thunderstorm WarningBOXHampden48 min
Aug 8, 4:13 PM EDTSevere Thunderstorm WarningBOXPlymouth23 min
Aug 8, 4:20 PM EDTAreal Flood AdvisoryBOXBristol3 hr
Aug 8, 4:31 PM EDTAreal Flood AdvisoryBOXHampden3 hr
Aug 8, 4:45 PM EDTSevere Thunderstorm WarningBOXBristol45 min
Aug 8, 4:46 PM EDTSpecial Marine WarningBOX59 min
Aug 8, 5:15 PM EDTAreal Flood AdvisoryBOXHampden3 hr
Aug 8, 5:22 PM EDTAreal Flood AdvisoryBOXBristol, Norfolk, Plymouth2 hr
Aug 8, 5:36 PM EDTSevere Thunderstorm WarningBOXMiddlesex24 min
Aug 8, 6:30 PM EDTAreal Flood AdvisoryBOXMiddlesex, Norfolk, Suffolk119 min
Aug 8, 7:51 PM EDTAreal Flood AdvisoryBOXEssex105 min
Aug 8, 4:34 PM EDTSevere Thunderstorm WarningBOXCapitol Planning Region14 min
Aug 8, 4:50 PM EDTSevere Thunderstorm WarningBOXCapitol Planning Region, Northeastern Connecticut Planning Region55 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.