Alert archive / Massachusetts / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 111, NWS Boston/Norton, MA

August 21, 2009Middlesex County, Worcester County, Massachusetts

NWS Boston/Norton, MA issued this severe thunderstorm warning at Aug 21, 2009, 6:45 PM EDT for Middlesex County, Worcester County, Massachusetts. It was in force for 28 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
Aug 21, 2009, 6:45 PM EDT (22:45 UTC)
Expired
Aug 21, 2009, 7:13 PM EDT
In force
28 min
Issued by
NWS Boston/Norton, MA
Area
Storm-based polygon

Counties Middlesex County, MA, Worcester County, MA

The radar

The Boston radar (KBOX), 68 km from the middle of the area, began a volume at 22:45 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 21, 6:55 PM EDTTSTM WND DMGShrewsbury, MA16-INCH DIAMETER TREES DOWN ON HOLDEN STREET.

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

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched one storm report to this severe thunderstorm warning; the first came 10 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 21, 4:22 PM EDTTornado WatchSPC3 hr

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 10.8 hours before the alert went out and 161 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 2009-08-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2424 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, Chatham, MA at 12:00Z on 2009-08-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.1939Sfc1 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
2424 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
453 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
61 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 212245
SVRBOX
MAC017-027-212345-
/O.NEW.KBOX.SV.W.0111.090821T2245Z-090821T2345Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
645 PM EDT FRI AUG 21 2009

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN WORCESTER COUNTY IN CENTRAL MASSACHUSETTS...
  THIS INCLUDES THE CITIES OF...WORCESTER...LEOMINSTER...
  CENTRAL MIDDLESEX COUNTY IN EASTERN MASSACHUSETTS...

* UNTIL 745 PM EDT

* AT 644 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR WORCESTER...AND WAS MOVING
  NORTHEAST AT 40 MPH.

* SOME LOCATIONS IN THE WARNING INCLUDE...HOLDEN...SHREWSBURY...WEST
  BOYLSTON...PRINCETON...BOYLSTON...WESTBOROUGH...NORTHBOROUGH...
  STERLING...CLINTON...BERLIN...SOUTHBOROUGH...LANCASTER...
  MARLBOROUGH...HUDSON...BOLTON...SHIRLEY...HARVARD...STOW...
  SUDBURY...MAYNARD...AYER...WAYLAND...BOXBOROUGH...ACTON...GROTON...
  LITTLETON...CONCORD AND LINCOLN.

A TORNADO WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCED WARNING. REMAIN CALM...BUT GO
INDOORS TO A SAFE PLACE NOW...SUCH AS A BASEMENT OR SMALL INTERIOR
ROOM IN A STRONG BUILDING.

&&

LAT...LON 4264 7153 4241 7119 4213 7186 4247 7194
TIME...MOT...LOC 2245Z 231DEG 35KT 4228 7181

$$

FRANK
2 follow-up statements
000 
WWUS51 KBOX 212305
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
705 PM EDT FRI AUG 21 2009

MAC017-027-212345-
/O.CON.KBOX.SV.W.0111.000000T0000Z-090821T2345Z/
WORCESTER MA-MIDDLESEX MA-
705 PM EDT FRI AUG 21 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR CENTRAL MIDDLESEX AND EAST CENTRAL WORCESTER COUNTIES...

AT 704 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR BERLIN...OR 11 MILES
NORTHWEST OF FRAMINGHAM...MOVING NORTHEAST AT 40 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
MARLBOROUGH...HUDSON...BOLTON...SHIRLEY...HARVARD...STOW...SUDBURY...
MAYNARD...AYER...WAYLAND...BOXBOROUGH...ACTON...GROTON...LITTLETON...
CONCORD AND LINCOLN

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY EVENING FOR
NORTHERN CONNECTICUT AND EASTERN MASSACHUSETTS AND SOUTHERN NEW
HAMPSHIRE.

&&

LAT...LON 4248 7176 4264 7153 4241 7119 4216 7178
TIME...MOT...LOC 2304Z 231DEG 35KT 4239 7162

$$

FRANK
000 
WWUS51 KBOX 212313
SVSBOX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
713 PM EDT FRI AUG 21 2009

MAC017-027-212322-
/O.CAN.KBOX.SV.W.0111.000000T0000Z-090821T2345Z/
WORCESTER MA-MIDDLESEX MA-
713 PM EDT FRI AUG 21 2009

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MIDDLESEX AND EAST
CENTRAL WORCESTER COUNTIES IS CANCELLED...

THE THUNDERSTORMS THAT PROMPTED THE WARNING HAVE WEAKENED.  
THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.  A 
PERIOD OF HEAVY RAIN IS STILL POSSIBLE THOUGH WITH THIS STORM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY EVENING FOR
NORTHERN CONNECTICUT AND EASTERN MASSACHUSETTS AND SOUTHERN NEW
HAMPSHIRE.

LAT...LON 4248 7176 4264 7153 4241 7119 4216 7178
TIME...MOT...LOC 2312Z 231DEG 35KT 4244 7153

$$

FRANK

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 21, 5:02 PM EDT, 1 hour 43 minutes earlier.

Area forecast discussion, Aug 21, 5:02 PM EDT, 1 hour 43 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAUNTON MA
502 PM EDT FRI AUG 21 2009

.SYNOPSIS...
VERY WARM AND HUMID WEATHER WILL CONTINUE THROUGH SUNDAY WITH HURRICANE
BILL PASSING WELL EAST OF NANTUCKET EARLY SUNDAY. FLOODING GUSTY
THUNDERSTORMS ARE EXPECTED OVER PARTS OF THE INTERIOR...MAINLY EACH
AFTERNOON AND EVENING. HIGH SURF AND DANGEROUS RIP CURRENTS WILL BE
THE PRIMARY EFFECTS OF HURRICANE BILL ALONG THE COAST THIS WEEKEND
ALONG WITH POSSIBLE HEAVY RAIN SQUALLS SATURDAY NIGHT. NEXT WEEK IS
PROJECTED TO BE SOMEWHAT MORE COMFORTABLE...AND OVERALL MAINLY RAIN-FREE
FOR SOUTHERN NEW ENGLAND.

&&

.NEAR TERM /UNTIL 6 AM SATURDAY MORNING/...
MAIN CONCERN THIS EVENING WILL BE CONVECTION MOVING EAST THROUGH THE
CT RIVER VALLEY.  ABUNDANT ENERGY AVAILABLE FOR CONVECTION AHEAD OF
A COLD FRONT IN EASTERN NEW YORK.  DEW POINTS ARE ANOMALOUSLY HIGH
FOR SOUTHERN NEW ENGLAND...ADDING TO THE PRESENT RISK OF
THUNDERSTORMS AND LOCALLY HEAVY RAINFALL.  DECIDED TO HOLD OFF ON A
FLOOD WATCH FOR THE MOMENT...EXPECTING ANY FLOODING TO BE MORE
ISOLATED AND CONFINED TO URBAN AND POOR-DRAINAGE AREAS.

EXPECTING THIS CONVECTION TO CONTINUE THROUGH THIS EVENING.  LATEST
RADAR TRENDS INDICATE SOME SUPERCELLS...WITH THE ATTENDANT RISK OF
TORNADOES.  A TORNADO WATCH HAS BEEN POSTED FOR THIS EVENING ACROSS
SOUTHERN NH...CENTRAL AND WESTERN MA AND NORTHERN CT.

SWELLS FROM DISTANT HURRICANE BILL HAVE STARTED TO ARRIVE ALONG THE
SOUTH COAST OF NEW ENGLAND.  THESE SWELLS WILL CONTINUE TO BUILD
OVERNIGHT...LEADING TO STRONGER RIP CURRENTS AND HIGHER BREAKING
WAVES...MAINLY ALONG THE SOUTH COAST OF MA AND RI.

TEMPERATURES ARE A BLEND OF THE MET AND MAV GUIDANCE.

&&

.SHORT TERM /6 AM SATURDAY MORNING THROUGH SATURDAY NIGHT/...
GENERALLY FOLLOWED THE 12Z NAM FOR THIS FORECAST PACKAGE...AS IT WAS
VERY CLOSE TO OFFICIAL FORECAST TRACK FOR HURRICANE BILL.  12Z GFS
JUST SLIGHTLY WEST OF THE NAM.

ABUNDANT MOISTURE REMAINS IN PLACE...BUT NOT EXPECTING TEMPERATURES
TO BE AS HOT.  WHILE THIS WILL LIKELY MEAN MORE SHOWERS AND
THUNDERSTORMS ACROSS PORTIONS OF SOUTHERN NEW ENGLAND...NOT
EXPECTING THESE STORMS TO BE AS STRONG AS TODAY.

NOT A GOOD BEACH DAY ALONG THE SOUTH COAST WITH SWELLS CONTINUING TO
BUILD WITH HURRICANE BILL TURNING NORTH OVER THE OPEN ATLANTIC.
HAVE ISSUED A HIGH SURF ADVISORY TO HIGHLIGHT THE DANGEROUS SURF AND
POTENTIAL FOR STRONG RIP CURRENTS.  PEOPLE HEADING TOWARD THE COAST
ARE ENCOURAGED TO CHECK WITH LOCAL AUTHORITIES ABOUT SWIMMING
RESTRICTIONS OR BEACH CLOSURES.

HURRICANE BILL SHOULD MAKE ITS CLOSEST TO SOUTHERN NEW ENGLAND
SATURDAY NIGHT INTO SUNDAY...PASSING ABOUT 220 MILES EAST OF
NANTUCKET. WHILE THIS SHOULD KEEP THE BRUNT OF THE WINDS WELL
OFFSHORE...WILL STILL LIKELY SEE SOME RAINFALL ACROSS PORTIONS OF
EASTERN MA AND RI.

&&

.LONG TERM /SUNDAY THROUGH FRIDAY/...
SUNDAY...ANY EARLY MORNING SQUALLS ALONG THE THE COAST DEPART
RAPIDLY ALONG WITH HURRICANE BILLS ENVELOPE OF WIND. THE
AFTERNOON/EVENING MAY SEE POSSIBLE STRONG THUNDERSTORMS AND QUITE A
WARM DAY IN LINGERING TROPICAL MODIFIED ATMOSPHERE. METNAM TEMPS.
50/50 BLEND OF NAM/GFS WINDS/DEW POINTS. LOW PRES TRIES TO FORM IN SNE.

MONDAY...ANY LOW PRES MAY STILL SERVE AS A LOW PROB CHC OF SHOWERS OTRW
A BIT DRYER AIRMASS SHOULD DEVELOP. 50 50 BLEND OF THE GFS/NAM
WINDS/DEW POINTS AND MAVMOS TEMPS.

TUESDAY-WED...BASICALLY WLY FLOW AS LOW PRES MOVES ACROSS SE CANADA.
GENERAL CONTINUITY WITH THE 4AM FCST PACKAGE. BLENDED 12Z/21 GFS MOS
WITH THE 4AM KBOX FCST. WEAK HIGH PRES SETTLES JUST S OF NEW ENGLAND.
CFP WED NIGHT MAY SPAWN SHOWERS AND TSTMS AHEAD OF IT LATE IN THE
DAY WEDNESDAY.

THU-FRI...DRY COOLER HIGH PRES SHOULD SETTLE SEWD FROM THE GREAT
LAKES TO SNE. 12Z GFS MAV MOS TEMPS BLENDED WITH THE PREV 4 AM KBOX
FCST.

&&

.AVIATION /21Z FRIDAY THROUGH WEDNESDAY/...
KBOS TAF COLLABORATED WITH CWSU ZBW.

1930Z...LINE OF TSTMS SLOWLY ADVANCING INTO WESTERN NEW ENGLAND...
BUT STILL ENOUGH OF A N/NE MOTION TO KEEP US CONFIDENT THAT MOST OF
THIS ACTIVITY WILL BE LIMITED TO KBAF KBDL AND PERHAPS KORH KMHT
PRIOR TO SUNSET. MAIN THREATS ARE WIND GUSTS TO 45KT AND VERY HEAVY
RAINFALL. AMENDED KBAF KBDL TO REFLECT THIS TREND.

IT IS ALSO POSSIBLE AN ISOLD TSTM FORMS NEAR KPVD/KBOS PRIOR TO
SUNSET...BUT THAT DOES NOT APPEAR LIKELY.

WW 729 REMAINS IN EFFECT UNTIL 01Z AND INCLUDES KBDL...KBAF...KORH
AND KMHT.

MVFR CIGS EXPECTED TO DEVELOP THIS EVENING WITH PERIOD OF IFR CIGS
OVERNIGHT. HIGH CONFIDENCE ON IFR/LIFR REDEVELOPING KFMH KHYA KACK
BY THIS EVENING. CONDITIONS SLOWLY IMPROVE TO MVFR SAT MORNING AND
LIKELY PERSISTS THROUGH SAT AFTERNOON. SCATTERED SHOWERS/TSTMS
POSSIBLE SAT AFTERNOON MAINLY ACROSS INTERIOR.

SATURDAY NIGHT...STRONG N-NE WINDS ACROSS CAPE COD AND NANTUCKET AS
HURRICANE BILL PASSES WELL E OF KACK. AREAS OF MVFR CIGS/VSBYS IN SCT
SHOWERS/TSTMS.

OUTLOOK /SUNDAY THROUGH WEDNESDAY/...

SUNDAY...BECOMING MVFR OR VFR CIGS BY NOON WITH ANY EARLY WIND AND
IFR SQUALLS ALONG COASTAL MASSACHUSETTS QUICKLY ENDING. SCT OR BROKEN
AFTN SHOWERS AND TSTMS WITH LOCAL IFR CONDS.

SUN NIGHT...VFR WITH AREAS OF MVFR CONDS IN FOG OR LEFTOVER DYING
SHOWERS.

MONDAY THROUGH WEDNESDAY...GENERALLY VFR.

&&

.MARINE...
FOR THE OCEAN WATERS...SE SWELLS OF 2-4 FT WITH A PERIOD OF 15
SECONDS FROM HURRICANE BILL ALREADY ARRIVING AT BUOYS JUST SOUTH OF
SOUTHERN NEW ENGLAND. THESE WILL CONTINUE TO BUILD INTO SUNDAY.

SMALL CRAFT ADVISORIES POSTED FOR MOST OF THE SOUTH COASTAL WATERS
THROUGH SUNDAY.  MARINERS ARE URGED TO FOLLOW THE LATEST ADVISORIES
CONCERNING HURRICANE BILL.  WHILE CONFIDENCE IS GROWING BILL WILL
TRACK WELL EAST OF THE SOUTHERN NEW ENGLAND COASTAL WATERS...THERE
IS STILL A POSSIBILITY WE COULD SEE SOME WIND IMPACTS ACROSS THE
WATERS EAST OF CAPE COD AND NANTUCKET.

OUTLOOK /SUNDAY THROUGH TUESDAY/...

SUNDAY...LEFTOVER WIND AND SEAS ASSOCIATED HAZARDS ...PROBABLY
CONVERTING TO HAZARDOUS SEAS IN THE OPEN WATERS SOMETIME SUNDAY AND
LINGERING INTO MONDAY OR MONDAY NIGHT AS SE SWELLS ARE SLOW TO DECAY.

TUESDAY...NO HEADLINES ANTICIPATED AT THIS TIME SINCE BILLS LEFTOVER
SWELLS ARE PROBABLY BELOW 5 FEET.

&&

.HYDROLOGY...
RAINFALL FOR AUGUST TO DATE HAS BEEN 1.5 TO NEARLY 2.5 INCHES BELOW
NORMAL...ALLOWING STREAMS AND RIVERS TO GRADUALLY RECEDE OVER THE
PAST COUPLE OF WEEKS...AND ALLOWING SOIL TO DRY OUT. THIS PROVIDES
SOME GIVE WITH RESPECT TO THE FLOOD POTENTIAL.  SMALL STREAM FLASH
FLOOD GUIDANCE IS ABOUT 3 INCHES IN 1 HOUR AND 4.5 INCHES IN 3
HOURS...BUT LESS FOR URBAN AND POOR DRAINAGE FLOODING.

FOR TONIGHT...SCATTERED THUNDERSTORMS ANTICIPATED...ANY
THUNDERSTORMS COULD BRING LOCALLY HEAVY DOWNPOURS WITH ANOMALOUSLY
MOIST AIRMASS IN PLACE. CONCERN IN OUR AREA IS FAR SW NH INTO
CENTRAL CT...CLOSER TO AN APPROACHING FRONT THAT SHOULD STALL OUT
JUST WEST OF OUR AREA FOR SAT. MODELS AND WV IMAGERY INDICATE THAT
MOISTURE IS PRIMARILY OF GULF ORIGIN AS OPPOSED TO MOISTURE FROM
BILL. NOT ENOUGH CONFIDENCE AT THIS TIME TO GO WITH A FLASH FLOOD
WATCH IN WESTERN PORTION OF THE AREA...THOUGH CAN NOT RULE OUT AN
ISOLATED FLASH FLOOD EVENT TONIGHT. MINOR URBAN AND POOR DRAINAGE
FLOODING IS CERTAINLY POSSIBLE.

NAM/GFS INDICATE THAT WEAK FRONT WILL LINGER IN THE VICINITY OF EASTERN
NY ON SAT...WHERE AXIS OF 2 PLUS INCH PRECIPITABLE WATER REMAINS.
ONCE AGAIN POTENTIAL EXISTS FOR LOCALLY HEAVY DOWNPOURS PRIMARILY
OVER SW NH INTO NORTH CENTRAL CT. MINOR URBAN AND POOR DRAINAGE
FLOODING POSSIBLE...ISOLATED FLASH FLOOD EVENT POSSIBLE WESTERN ZONES.

SAT NIGHT SHOWERS AND THUNDERSTORMS FROM BILL PRIMARILY CROSS CAPE
COD AND THE ISLANDS.  MODELS NOT SHOWING MUCH BY WAY OF QPF...BUT
WITH THE SANDY SOILS IN THAT AREA FLOODING ISSUES ARE NOT
ANTICIPATED. TROPICAL MOISTURE BEGINS TO DIMINISH IN SOUTHERN NEW
ENGLAND DURING THE DAY SUNDAY.

&&

.CLIMATE...
HEAT WAVE CONTINUES NORTHERN CONNECTICUT...

HEAT WAVE IS OFFICIAL 7 DAYS AT HFD AND BDL THRU THE 21ST. NO 90 HERE
AT KBOX YET.

HARTFORD/WINDSOR LOCKS.../CORRECTED/ 7 DAY HEAT WAVE FROM 8/15-21
(MAX TEMPS 90/91/94/93/91/91/AND 91 SO FAR TODAY 8/21). TOTAL OF 11 DAYS
OF 90+ DEGREE TEMPS SO FAR IN 2009. (2 DAYS IN APRIL...9 DAYS IN AUGUST)

RECORD TODAY AT BDL IS 93.

FOR THE RECORD...CLIMATE HIGHS TODAY SO FAR.
BOS 90 AT 349PM
BDL 91 AT 304PM
ORH 87 AT 359PM
PVD 89 AT 221PM

&&

.BOX WATCHES/WARNINGS/ADVISORIES...
CT...NONE.
MA...HIGH SURF ADVISORY FROM 4 AM SATURDAY TO 6 PM EDT SUNDAY FOR
     MAZ020>024.
NH...NONE.
RI...HIGH SURF ADVISORY FROM 4 AM SATURDAY TO 6 PM EDT SUNDAY FOR
     RIZ006>008.
MARINE...SMALL CRAFT ADVISORY FROM 11 AM SATURDAY TO 6 AM EDT SUNDAY
     FOR ANZ232-234.
     SMALL CRAFT ADVISORY UNTIL 6 AM EDT SUNDAY FOR ANZ233-235-237-
     250-254>256.
     SMALL CRAFT ADVISORY FROM 6 PM SATURDAY TO 6 AM EDT SUNDAY FOR
     ANZ236-251.

&&

SYNOPSIS...DRAG/BELK
NEAR TERM...BELK
SHORT TERM...BELK
LONG TERM...DRAG
AVIATION...JWD/DRAG
MARINE...BELK/DRAG
HYDROLOGY...NMB
CLIMATE...DRAG
Hazardous weather outlook, Aug 21, 6:43 PM EDT, 2 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAUNTON MA
643 PM EDT FRI AUG 21 2009

MAZ006-013-017-018-RIZ001>005-221200-
WESTERN ESSEX MA-WESTERN NORFOLK MA-NORTHERN BRISTOL MA-
WESTERN PLYMOUTH MA-NORTHWEST PROVIDENCE RI-SOUTHEAST PROVIDENCE RI-
WESTERN KENT RI-EASTERN KENT RI-BRISTOL RI-
643 PM EDT FRI AUG 21 2009

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

.DAY ONE...TONIGHT.

SCATTERED STRONG...TO POSSIBLY SEVERE...THUNDERSTORMS ARE POSSIBLE
THIS EVENING. THE MAIN THREAT WILL BE DAMAGING WINDS AND TORRENTIAL
DOWNPOURS...WHICH COULD CAUSE LOCALIZED POOR-DRAINAGE AND URBAN
FLOODING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

SCATTERED THUNDERSTORMS MAY PRODUCE BRIEF TORRENTIAL DOWNPOURS...
MAINLY DURING THE AFTERNOON AND EVENING HOURS SATURDAY AND SUNDAY.
THIS MAY CAUSE LOCALIZED POOR-DRAINAGE AND URBAN FLOODING.

A THUNDERSTORM MAY OCCUR LATE WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

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

MAZ020>024-RIZ006>008-221200-
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-
NANTUCKET MA-WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI-
643 PM EDT FRI AUG 21 2009

...HIGH SURF ADVISORY IN EFFECT FROM 4 AM SATURDAY TO 6 PM EDT
SUNDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEASTERN MASSACHUSETTS
AND SOUTHERN 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.

   HIGH SURF ADVISORY.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

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

   HIGH SURF ADVISORY.

SCATTERED THUNDERSTORMS MAY PRODUCE BRIEF TORRENTIAL DOWNPOURS...
MAINLY DURING THE AFTERNOON AND EVENING HOURS SATURDAY AND SUNDAY.
THIS MAY CAUSE LOCALIZED POOR-DRAINAGE AND URBAN FLOODING.

CONSIDERABLE BEACH EROSION WILL ALSO OCCUR THROUGH THE WEEKEND HIGH
TIDE CYCLES...ESPECIALLY ON THE SOUTH FACING COASTLINE. MINOR
SPLASH-OVER COULD ALSO OCCUR AROUND THE TIMES OF HIGH TIDE.

A THUNDERSTORM MAY OCCUR LATE WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

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

MAZ007-015-016-019-221200-
EASTERN ESSEX MA-SUFFOLK MA-EASTERN NORFOLK MA-EASTERN PLYMOUTH MA-
643 PM EDT FRI AUG 21 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN
MASSACHUSETTS...NORTHEASTERN MASSACHUSETTS AND SOUTHEASTERN
MASSACHUSETTS.

.DAY ONE...TONIGHT.

SCATTERED STRONG...TO POSSIBLY SEVERE...THUNDERSTORMS ARE POSSIBLE
THIS EVENING. THE MAIN THREAT WILL BE DAMAGING WINDS AND TORRENTIAL
DOWNPOURS...WHICH COULD CAUSE LOCALIZED POOR-DRAINAGE AND URBAN
FLOODING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

SCATTERED THUNDERSTORMS MAY PRODUCE BRIEF TORRENTIAL DOWNPOURS...
MAINLY DURING THE AFTERNOON AND EVENING HOURS SATURDAY AND SUNDAY.
THIS MAY CAUSE LOCALIZED POOR-DRAINAGE AND URBAN FLOODING.

DISTANT HURRICANE BILL WILL BRING INCREASING SOUTH TO SOUTHEAST
SWELLS TO THE COASTAL WATERS. SEAS MAY REACH 10 TO 15 FEET...
ESPECIALLY SATURDAY NIGHT INTO SUNDAY. THIS MAY LEAD TO DANGEROUS
SURF AND RIP CURRENTS THIS WEEKEND.

CONSIDERABLE BEACH EROSION MAY ALSO OCCUR THROUGH THE WEEKEND HIGH
TIDE CYCLES. MINOR SPLASH- OVER COULD ALSO OCCUR AROUND THE TIMES OF
HIGH TIDE.

A THUNDERSTORM MAY OCCUR LATE WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

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

CTZ002-MAZ002-003-008>011-NHZ011-221200-
HARTFORD CT-WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
EASTERN HAMPDEN MA-CHESHIRE NH-
643 PM EDT FRI AUG 21 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN
CONNECTICUT...WESTERN MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE.

.DAY ONE...TONIGHT.

THUNDERSTORMS MAY REDEVELOP DURING THE NIGHT IN SOUTHWEST NEW
HAMPSHIRE AND THE CONNECTICUT RIVER VALLEY AND IF THEY DO...WOULD
PRODUCE TORRENTIAL DOWNPOURS AND LOCALIZED POOR- DRAINAGE AND URBAN
FLOODING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

SCATTERED THUNDERSTORMS MAY PRODUCE BRIEF TORRENTIAL DOWNPOURS...
MAINLY DURING THE AFTERNOON AND EVENING HOURS SATURDAY AND SUNDAY.
THIS MAY CAUSE LOCALIZED POOR-DRAINAGE AND URBAN FLOODING.

A THUNDERSTORM MAY OCCUR LATE WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

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

CTZ003-004-MAZ004-005-012-014-026-NHZ012-015-221200-
TOLLAND CT-WINDHAM CT-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-
SOUTHERN WORCESTER MA-SOUTHEAST MIDDLESEX MA-NORTHERN MIDDLESEX MA-
EASTERN HILLSBOROUGH NH-WESTERN AND CENTRAL HILLSBOROUGH NH-
643 PM EDT FRI AUG 21 2009

...TORNADO WATCH 729 IN EFFECT UNTIL 9 PM EDT THIS EVENING...

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

.DAY ONE...TONIGHT.

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

   TORNADO WATCH.

THUNDERSTORMS WILL ALSO PRODUCE TORRENTIAL DOWNPOURS WHICH COULD
CAUSE LOCALIZED POOR-DRAINAGE AND URBAN FLOODING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

SCATTERED THUNDERSTORMS MAY PRODUCE BRIEF TORRENTIAL DOWNPOURS...
MAINLY DURING THE AFTERNOON AND EVENING HOURS SATURDAY AND SUNDAY.
THIS MAY CAUSE LOCALIZED POOR-DRAINAGE AND URBAN FLOODING.

A THUNDERSTORM MAY OCCUR LATE WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

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

ANZ230>237-250-251-254>256-221200-
BOSTON HARBOR-CAPE COD BAY-NANTUCKET SOUND-VINEYARD SOUND-
BUZZARDS BAY-RHODE ISLAND SOUND-NARRAGANSETT BAY-BLOCK ISLAND SOUND-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK NATIONAL
MARINE SANCTUARY-MASSACHUSETTS BAY AND IPSWICH BAY-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD AND
NANTUCKET-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT TO
20 NM SOUTH OF BLOCK ISLAND-
643 PM EDT FRI AUG 21 2009

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

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

SCATTERED THUNDERSTORMS MAY PRODUCE BRIEF TORRENTIAL DOWNPOURS...
SATURDAY AFTERNOON INTO SUNDAY.

DISTANT HURRICANE BILL WILL BRING INCREASING SOUTH TO SOUTHEAST
SWELLS TO THE COASTAL WATERS. SEAS SHOULD REACH 10 TO 15 FEET...
ESPECIALLY SATURDAY NIGHT AND SUNDAY ACROSS THE WATERS NEAR CAPE COD
AND NANTUCKET. EVEN HIGH SEAS ARE POSSIBLE SOUTH AND EAST OF
NANTUCKET.

A THUNDERSTORM MAY OCCUR LATE WEDNESDAY.

.SPOTTER INFORMATION STATEMENT...

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

In the hours before

Special weather statement, Aug 21, 4:20 PM EDT, 2 hours 25 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
420 PM EDT FRI AUG 21 2009

CTZ002-MAZ009-011-212115-
EASTERN HAMPDEN MA-HARTFORD CT-WESTERN HAMPDEN MA-
420 PM EDT FRI AUG 21 2009

AT 419 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM WITH THE POTENTIAL TO PRODUCE WIND GUSTS TO 50
MPH 5 MILES SOUTH OF GRANVILLE...OR ABOUT 13 MILES NORTHWEST OF
WINDSOR LOCKS...MOVING NORTHEAST AT 35 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...GRANVILLE...SOUTHWICK...
  WESTFIELD...AGAWAM...WEST SPRINGFIELD...SPRINGFIELD AND WILBRAHAM.

FOR YOUR SAFETY...GET INSIDE WHEN THIS STORM APPROACHES. HEAVY RAIN
MAY CAUSE MINOR STREET FLOODING AS WELL AS PONDING OF WATER IN POOR
DRAINAGE AREAS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM EDT FRIDAY
EVENING FOR NORTHERN CONNECTICUT AND MASSACHUSETTS AND SOUTHERN NEW
HAMPSHIRE.

FRANK
Special weather statement, Aug 21, 5:03 PM EDT, 1 hour 42 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
503 PM EDT FRI AUG 21 2009

MAZ003-008-010-011-212200-
EASTERN FRANKLIN MA-EASTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-WESTERN
HAMPSHIRE MA-
503 PM EDT FRI AUG 21 2009

AT 501 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM WITH THE POTENTIAL TO PRODUCE WIND GUSTS TO 50
MPH OVER CHICOPEE...MOVING NORTHEAST AT 35 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...NORTHAMPTON...LUDLOW...SOUTH
  HADLEY...GRANBY...HATFIELD...HADLEY...AMHERST...BELCHERTOWN...
  PELHAM...SHUTESBURY AND NEW SALEM.

FOR YOUR SAFETY...GET INSIDE WHEN THESE STORMS APPROACH. HEAVY RAIN
MAY CAUSE MINOR STREET FLOODING AS WELL AS PONDING OF WATER IN POOR
DRAINAGE AREAS.

HEAVY RAIN MAY CAUSE MINOR STREET FLOODING AND PONDING OF WATER IN
LOW LYING AREAS SUCH AS UNDERPASSES. DO NOT DRIVE THROUGH FLOODED
AREAS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY EVENING FOR
NORTHERN CONNECTICUT AND MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE.

FRANK
Local storm report, Aug 21, 5:12 PM EDT, 1 hour 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MA
512 PM EDT FRI AUG 21 2009

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

0425 PM     TSTM WND DMG     HINSDALE                42.79N 72.49W
08/21/2009                   CHESHIRE           NH   AMATEUR RADIO

            TREES DOWN BLOCKING RIVER ROAD. WIRES DOWN ON ROUTE 119.
            TREE DOWN ON HOUSE ON FERN PARK ROAD.

0444 PM     TSTM WND DMG     CHESTERFIELD            42.40N 72.85W
08/21/2009                   HAMPSHIRE          MA   AMATEUR RADIO

            MULTIPLE TREES DOWN SOUTH OF ROUTE 143.

0451 PM     TSTM WND DMG     KEENE                   42.95N 72.30W
08/21/2009                   CHESHIRE           NH   AMATEUR RADIO

            TREE DOWN IN DUMMERSTON SECTION OF KEENE.

0452 PM     TSTM WND DMG     BURLINGTON              41.77N 72.97W
08/21/2009                   HARTFORD           CT   AMATEUR RADIO

            TREE DOWN ON WIRES NEAR LYONS ROAD. ADDITIONAL TREES AND
            WIRES REPORTED DOWN AT 5 PM ON UPSON STREET AND BLAINE
            LANE.

0506 PM     TSTM WND DMG     SIMSBURY                41.88N 72.81W
08/21/2009                   HARTFORD           CT   AMATEUR RADIO

            MULTIPLE TREES AND WIRES DOWN BLOCKING TOWN FOREST ROAD.

&&

FIELD
Local storm report, Aug 21, 5:54 PM EDT, 51 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TAUNTON MA
554 PM EDT FRI AUG 21 2009

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

0425 PM     TSTM WND DMG     HINSDALE                42.79N 72.49W
08/21/2009                   CHESHIRE           NH   AMATEUR RADIO

            TREES DOWN BLOCKING RIVER ROAD. WIRES DOWN ON ROUTE 119.
            TREE DOWN ON HOUSE ON FERN PARK ROAD.

0444 PM     TSTM WND DMG     CHESTERFIELD            42.40N 72.85W
08/21/2009                   HAMPSHIRE          MA   AMATEUR RADIO

            MULTIPLE TREES DOWN SOUTH OF ROUTE 143.

0451 PM     TSTM WND DMG     KEENE                   42.95N 72.30W
08/21/2009                   CHESHIRE           NH   AMATEUR RADIO

            TREE DOWN IN DUMMERSTON SECTION OF KEENE.

0452 PM     TSTM WND DMG     BURLINGTON              41.77N 72.97W
08/21/2009                   HARTFORD           CT   AMATEUR RADIO

            TREE DOWN ON WIRES NEAR LYONS ROAD. ADDITIONAL TREES AND
            WIRES REPORTED DOWN AT 5 PM ON UPSON STREET AND BLAINE
            LANE.

0506 PM     TSTM WND DMG     SIMSBURY                41.88N 72.81W
08/21/2009                   HARTFORD           CT   AMATEUR RADIO

            MULTIPLE TREES AND WIRES DOWN BLOCKING TOWN FOREST ROAD.

0538 PM     LIGHTNING        TROY                    42.83N 72.18W
08/21/2009                   CHESHIRE           NH   AMATEUR RADIO

            LIGHTNING STRIKE CAUSED GARAGE FIRE.

0539 PM     TSTM WND DMG     SPRINGFIELD             42.12N 72.54W
08/21/2009                   HAMPDEN            MA   AMATEUR RADIO

            LARGE LIMBS DOWN ON PAXTON ROAD.

0540 PM     FLOOD            SWANZEY                 42.87N 72.28W
08/21/2009                   CHESHIRE           NH   AMATEUR RADIO

            BASEMENT FLOODED.

0540 PM     TSTM WND DMG     LUDLOW                  42.17N 72.48W
08/21/2009                   HAMPDEN            MA   AMATEUR RADIO

            WIRES DOWN ON MAIN ST. TREES DOWN ON CENTER ST. WIRES
            DOWN ON A CAR - LOCATION UNKNOWN.

&&

FIELD
Special weather statement, Aug 21, 6:15 PM EDT, 30 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
615 PM EDT FRI AUG 21 2009

MAZ004-005-026-NHZ011-012-015-212315-
CENTRAL MIDDLESEX COUNTY MA-CHESHIRE NH-EASTERN HILLSBOROUGH
NH-NORTHERN WORCESTER MA-NORTHWEST MIDDLESEX COUNTY MA-WESTERN AND
CENTRAL HILLSBOROUGH NH-
615 PM EDT FRI AUG 21 2009

AT 614 PM EDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM WITH THE POTENTIAL TO PRODUCE WIND GUSTS TO 50
MPH 4 MILES NORTHWEST OF ASHBURNHAM...OR ABOUT 9 MILES NORTHWEST OF
FITCHBURG...MOVING NORTHEAST AT 40 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...LUNENBURG...ASHBY...SHIRLEY...NEW
  IPSWICH...TOWNSEND...AYER...GREENVILLE...MASON...GROTON...
  BROOKLINE...PEPPERELL...HOLLIS...MILFORD...DUNSTABLE...AMHERST...
  NASHUA...TYNGSBORO...HUDSON...LITCHFIELD...MERRIMACK AND PELHAM.

FOR YOUR SAFETY...GET INSIDE WHEN THESE STORMS APPROACH. HEAVY RAIN
MAY CAUSE MINOR STREET FLOODING AS WELL AS PONDING OF WATER IN POOR
DRAINAGE AREAS.

HEAVY RAIN MAY CAUSE MINOR STREET FLOODING AND PONDING OF WATER IN
LOW LYING AREAS SUCH AS UNDERPASSES. DO NOT DRIVE THROUGH FLOODED
AREAS.

THIS STORM IS PRODUCING FREQUENT CLOUD TO GROUND LIGHTNING. GET
INDOORS OR INSIDE A VEHICLE NOW IF YOU ARE CAUGHT OUTSIDE...STAY
AWAY FROM ISOLATED TALL OBJECTS SUCH AS TREES. AVOID OPEN AREAS SUCH
AS GOLF COURSES OR BALL FIELDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM EDT FRIDAY EVENING FOR
NORTHERN CONNECTICUT AND MASSACHUSETTS AND SOUTHERN NEW HAMPSHIRE.

FRANK
Local storm report, Aug 21, 6:39 PM EDT, 6 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TAUNTON MA
639 PM EDT FRI AUG 21 2009

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

0425 PM     TSTM WND DMG     HINSDALE                42.79N 72.49W
08/21/2009                   CHESHIRE           NH   AMATEUR RADIO

            TREES DOWN BLOCKING RIVER ROAD. WIRES DOWN ON ROUTE 119.
            TREE DOWN ON HOUSE ON FERN PARK ROAD.

0444 PM     TSTM WND DMG     CHESTERFIELD            42.40N 72.85W
08/21/2009                   HAMPSHIRE          MA   AMATEUR RADIO

            MULTIPLE TREES DOWN SOUTH OF ROUTE 143.

0451 PM     TSTM WND DMG     KEENE                   42.95N 72.30W
08/21/2009                   CHESHIRE           NH   AMATEUR RADIO

            TREE DOWN IN DUMMERSTON SECTION OF KEENE.

0452 PM     TSTM WND DMG     BURLINGTON              41.77N 72.97W
08/21/2009                   HARTFORD           CT   AMATEUR RADIO

            TREE AND WIRES DOWN NEAR LYONS ROAD...UPSON ROAD...NEPAUG
            ROAD...DUANE LANE...AND SCHOOLHOUSE HILL ROAD.

0506 PM     TSTM WND DMG     SIMSBURY                41.88N 72.81W
08/21/2009                   HARTFORD           CT   AMATEUR RADIO

            MULTIPLE TREES AND WIRES DOWN BLOCKING TOWN FOREST ROAD.

0538 PM     LIGHTNING        TROY                    42.83N 72.18W
08/21/2009                   CHESHIRE           NH   AMATEUR RADIO

            LIGHTNING STRIKE CAUSED GARAGE FIRE.

0539 PM     TSTM WND DMG     SPRINGFIELD             42.12N 72.54W
08/21/2009                   HAMPDEN            MA   AMATEUR RADIO

            TREE AND LARGE LIMBS DOWN ON RIVERDALE STREET.

0539 PM     TSTM WND DMG     SPRINGFIELD             42.12N 72.54W
08/21/2009                   HAMPDEN            MA   AMATEUR RADIO

            LARGE LIMBS DOWN ON PAXTON ROAD.

0540 PM     TSTM WND DMG     LUDLOW                  42.17N 72.48W
08/21/2009                   HAMPDEN            MA   AMATEUR RADIO

            WIRES DOWN ON MAIN ST. TREES DOWN ON CENTER ST. WIRES
            DOWN ON A CAR - LOCATION UNKNOWN.

0540 PM     FLOOD            SWANZEY                 42.87N 72.28W
08/21/2009                   CHESHIRE           NH   AMATEUR RADIO

            BASEMENT FLOODED.

0553 PM     TSTM WND DMG     HARDWICK                42.35N 72.20W
08/21/2009                   WORCESTER          MA   AMATEUR RADIO

            TREES DOWN ON ROUTE 32A.

0555 PM     TSTM WND DMG     CANTON                  41.82N 72.90W
08/21/2009                   HARTFORD           CT   AMATEUR RADIO

            NUMEROUS TREES DOWN ON ROUTE 179.

0615 PM     TSTM WND DMG     ELLINGTON               41.90N 72.47W
08/21/2009                   TOLLAND            CT   AMATEUR RADIO

            TREES AND WIRES DOWN ON PENNY ROAD.

0627 PM     TSTM WND DMG     SPENCER                 42.24N 71.99W
08/21/2009                   WORCESTER          MA   TRAINED SPOTTER

            PIECE OF SIDING BLOWN OFF HOUSE ON IRVING STREET.
            MEASURED WIND GUST TO 45 MPH PER AMATEUR RADIO. ESTIMATED
            GUST TO 60 MPH PER SPOTTER.

0629 PM     TSTM WND DMG     WEST BROOKFIELD         42.24N 72.15W
08/21/2009                   WORCESTER          MA   AMATEUR RADIO

            TREE AND WIRES DOWN ON CENTRAL STREET.

&&

FIELD

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 21, 3:45 PM EDTSevere Thunderstorm WarningBOXFranklin, Hampshire60 min
Aug 21, 4:04 PM EDTSevere Thunderstorm WarningBOXHampden, Hampshire41 min
Aug 21, 4:23 PM EDTHigh Surf AdvisoryBOXBarnstable, Bristol, Dukes, Essex, Nantucket, Norfolk and 2 more72 hr
Aug 21, 4:34 PM EDTAreal Flood AdvisoryBOXFranklin, Hampden, Hampshire, Worcester116 min
Aug 21, 4:36 PM EDTSevere Thunderstorm WarningBOXHampden54 min
Aug 21, 4:45 PM EDTSevere Thunderstorm WarningBOXFranklin, Hampshire60 min
Aug 21, 4:57 PM EDTAreal Flood AdvisoryBOXHampden2 hr
Aug 21, 5:16 PM EDTSevere Thunderstorm WarningBOXHampden, Hampshire59 min
Aug 21, 5:38 PM EDTSevere Thunderstorm WarningBOXFranklin, Hampden, Hampshire, Worcester67 min
Aug 21, 6:02 PM EDTAreal Flood AdvisoryBOXFranklin, Hampden, Hampshire, Middlesex, Worcester118 min
Aug 21, 6:05 PM EDTSevere Thunderstorm WarningBOXHampden, Worcester55 min
Aug 21, 6:49 PM EDTSevere Thunderstorm WarningBOXMiddlesex41 min

Nearby

Severe Thunderstorm Warnings in Massachusetts, 2009Every severe thunderstorm warning in 2009

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.