Alert archive / Connecticut / Special Weather Statements in 2013

Special Weather Statement, NWS Boston/Norton, MA

August 9, 2013

NWS Boston/Norton, MA issued this special weather statement at Aug 9, 2013, 1:54 PM EDT. It was in force for 36 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: Aug 9, 2013, 1:54 PM EDT (17:54 UTC)
Expired: Aug 9, 2013, 2:30 PM EDT
In force: 36 min
Issued by: NWS Boston/Norton, MA

The radar

The Boston radar (KBOX), 107 km from the middle of the area, began a volume at 17:55 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 12:00Z, 5.9 hours before the alert went out and 125 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 673 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 549 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 134 m²/s²
0-3 km storm-relative helicity: 165 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 9, 1:30 PM EDT, 24 minutes earlier.

Area forecast discussion, Aug 9, 1:30 PM EDT, 24 minutes before

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Hazardous weather outlook, Aug 9, 8:36 AM EDT, 5 hours 18 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TAUNTON MA
836 AM EDT FRI AUG 9 2013

CTZ002>004-MAZ002>005-008>012-026-NHZ011-012-015-101245-
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-NORTHERN MIDDLESEX MA-
CHESHIRE NH-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-
836 AM EDT FRI AUG 9 2013

...FLASH FLOOD WATCH IN EFFECT UNTIL 6 PM EDT THIS EVENING...

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

.DAY ONE...TODAY AND TONIGHT.

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

   FLASH FLOOD WATCH.

SOME THUNDERSTORMS MAY PRODUCE STRONG WIND GUSTS. THERE IS A LOW
PROBABILITY OF DAMAGING WIND GUSTS FROM ANY THUNDERSTORMS.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

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

MAZ006-007-013>021-RIZ001>007-101245-
WESTERN ESSEX MA-EASTERN ESSEX MA-WESTERN NORFOLK MA-
SOUTHEAST MIDDLESEX MA-SUFFOLK MA-EASTERN NORFOLK MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-
SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-BRISTOL RI-
WASHINGTON RI-NEWPORT RI-
836 AM EDT FRI AUG 9 2013

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

.DAY ONE...TODAY AND TONIGHT.

A FEW LOCALLY HEAVY DOWNPOURS COULD PRODUCE FLOODING IN URBAN AND
POOR DRAINAGE AREAS.

SOME THUNDERSTORMS MAY PRODUCE STRONG WIND GUSTS. THERE IS A LOW
PROBABILITY OF DAMAGING WIND GUSTS FROM ANY THUNDERSTORMS WITH A
VERY LOW PROBABILITY OF STORMS PRODUCING A BRIEF TORNADO SPIN-UP.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

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

MAZ022>024-RIZ008-101245-
BARNSTABLE MA-DUKES MA-NANTUCKET MA-BLOCK ISLAND RI-
836 AM EDT FRI AUG 9 2013

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

.DAY ONE...TODAY AND TONIGHT.

SOME THUNDERSTORMS MAY PRODUCE STRONG WIND GUSTS. THERE IS A LOW
PROBABILITY OF DAMAGING WIND GUSTS FROM ANY THUNDERSTORMS WITH A
VERY LOW PROBABILITY OF STORMS PRODUCING A BRIEF TORNADO SPIN-UP.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

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

ANZ230>237-250-251-254>256-101245-
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-
836 AM EDT FRI AUG 9 2013

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

.DAY ONE...TODAY AND TONIGHT.

SHOWERS AND THUNDERSTORMS WILL PRODUCE POOR VISIBILITY WITH LOCALLY
HEAVY DOWNPOURS.

THERE IS A LOW PROBABILITY FOR THUNDERSTORMS TO CONTAIN GALE FORCE
WIND GUSTS IN ADDITION TO HEAVY RAIN AND LIGHTNING.

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

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

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

FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON

YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.BOSTON.GOV

YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON

In the hours before

Special weather statement, Aug 9, 11:35 AM EDT, 2 hours 19 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
1135 AM EDT FRI AUG 9 2013

MAZ013-015>019-091615-
SUFFOLK MA-EASTERN PLYMOUTH MA-NORTHERN BRISTOL MA-
EASTERN NORFOLK MA-WESTERN PLYMOUTH MA-WESTERN NORFOLK MA-
1135 AM EDT FRI AUG 9 2013

...HEAVY RAIN HEADING TO THE SOUTH SHORE...

AT 1130 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
AN AREA OF HEAVY RAIN OVER SOUTHEAST MASSACHUSETTS...MOVING
NORTHEAST AT 30 MPH.

RAINFALL RATES OF UP TO ONE INCH PER HOUR CAN BE EXPECTED ACROSS THE
SOUTHERN SUBURBS OF BOSTON...AND AS FAR SOUTH AS PLYMOUTH THROUGH
1230 PM.

DRIVERS ON ROUTES 3 AND 24 WILL ENCOUNTER POOR VISIBILITY AND
PONDING OF WATER.

OTHER LOCATIONS IMPACTED INCLUDE...
BROCKTON...QUINCY...WEYMOUTH...PLYMOUTH...
BRAINTREE...HULL...HOLBROOK...MIDDLEBOROUGH AND BRIDGEWATER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DO NOT DRIVE THROUGH FLOODED ROADS.

&&

LAT...LON 4178 7097 4214 7139 4233 7096 4229 7102
      4228 7095 4225 7096 4226 7085 4230 7089
      4229 7094 4230 7093 4231 7089 4221 7072
      4208 7064 4200 7064 4201 7060 4199 7063
      4200 7071 4195 7058
TIME...MOT...LOC 1530Z 233DEG 24KT 4205 7101

JWD

Special weather statement, Aug 9, 12:40 PM EDT, 1 hour 14 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
1240 PM EDT FRI AUG 9 2013

MAZ004-010-011-091730-
NORTHERN WORCESTER MA-EASTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
1240 PM EDT FRI AUG 9 2013

...STRONG THUNDERSTORMS DEVELOPING IN WESTERN MASSACHUSETTS...

AT 1235 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A LINE OF STRONG THUNDERSTORMS FROM NEAR BELCHERTOWN TO NEAR
SOUTHWICK...MOVING NORTHEAST AT 45 MPH.

TORRENTIAL RAINFALL AND WIND GUSTS UP TO 40 MPH CAN BE EXPECTED AS
THESE STORMS HEAD INTO WORCESTER COUNTY BY 130 PM.

SOME LOCATIONS IMPACTED INCLUDE...
SPRINGFIELD...CHICOPEE...LEOMINSTER...PRINCETON...NEW
BRAINTREE...NORTH BROOKFIELD...RUTLAND AND BROOKFIELD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GET INDOORS WHEN THESE STORMS APPROACH. WINDS MAY BE STRONG ENOUGH TO
PRODUCE MINOR DAMAGE...SUCH AS DOWNED BRANCHES.

A FLASH FLOOD WARNING IS IN EFFECT. AVOID FLOODED ROADWAYS.

&&

LAT...LON 4241 7245 4242 7238 4231 7236 4232 7233
      4240 7232 4244 7229 4253 7176 4212 7219
      4207 7277
TIME...MOT...LOC 1634Z 241DEG 40KT 4228 7243 4206 7271

JWD

Local storm report, Aug 9, 1:04 PM EDT, 50 minutes before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TAUNTON MA
104 PM EDT FRI AUG 09 2013

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

1205 PM     FLASH FLOOD      WARREN                  41.72N  71.27W
08/09/2013                   BRISTOL            RI   AMATEUR RADIO

            ROUTE 114 CLOSED DUE TO FLOODING

1251 PM     FLASH FLOOD      GRANBY                  42.26N  72.53W
08/09/2013                   HAMPSHIRE          MA   PUBLIC

            NUMEROUS ROADS CLOSED DUE TO FLOODING

1252 PM     FLASH FLOOD      WESTFIELD               42.14N  72.76W
08/09/2013                   HAMPDEN            MA   AMATEUR RADIO

            SEVERAL CARS NEAR WESTFIELD INDUSTRIAK PARK RD STUCK IN
            FLOODED WATERS...WATER RESCUES ARE OCCURRING

1257 PM     FLASH FLOOD      WESTFIELD               42.14N  72.76W
08/09/2013                   HAMPDEN            MA   AMATEUR RADIO

            MEADOW ST FLOODED ... CARS ARE STUCK

&&

123

Special weather statement, Aug 9, 1:05 PM EDT, 49 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
105 PM EDT FRI AUG 9 2013

CTZ002-003-MAZ004-010>012-091745-
TOLLAND CT-HARTFORD CT-NORTHERN WORCESTER MA-EASTERN HAMPDEN MA-
EASTERN HAMPSHIRE MA-SOUTHERN WORCESTER MA-
105 PM EDT FRI AUG 9 2013

...LINE OF STRONG THUNDERSTORMS DEVELOPING IN WESTERN NEW ENGLAND...

AT 1 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
LINE OF STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR
BELCHERTOWN MASSACHUSETTS TO CANTON CONNECTICUT...MOVING EAST AT 25
MPH.

WIND GUSTS UP TO 40 MPH AND TORRENTIAL RAINFALL WILL ACCOMPANY THIS
LINE OF STORMS...AS IT TRACKS INTO WORCESTER AND TOLLAND COUNTIES BY
2 PM.

SOME LOCATIONS IMPACTED INCLUDE...
SPRINGFIELD...WINDSOR LOCKS... VERNON...WEST BOYLSTON... AGAWAM...
HARDWICK...SPENCER...STAFFORD...LUDLOW...WILBRAHAM...AND BLOOMFIELD.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THESE STORMS MAY STRENGTHEN AND BECOME CAPABLE OF PRODUCING DAMAGING
WINDS. STAY TUNED FOR LATER STATEMENTS AND POSSIBLE WARNINGS.

&&

LAT...LON 4233 7236 4233 7235 4231 7236 4234 7232
      4243 7171 4180 7241 4177 7292
TIME...MOT...LOC 1658Z 258DEG 22KT 4224 7240 4178 7289

JWD

Local storm report, Aug 9, 1:53 PM EDT, 1 minute before

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TAUNTON MA
153 PM EDT FRI AUG 09 2013

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

1205 PM     FLASH FLOOD      WARREN                  41.72N  71.27W
08/09/2013                   BRISTOL            RI   AMATEUR RADIO

            ROUTE 114 CLOSED DUE TO FLOODING

1251 PM     FLASH FLOOD      GRANBY                  42.26N  72.53W
08/09/2013                   HAMPSHIRE          MA   PUBLIC

            NUMEROUS ROADS CLOSED DUE TO FLOODING

1252 PM     FLASH FLOOD      WESTFIELD               42.14N  72.76W
08/09/2013                   HAMPDEN            MA   AMATEUR RADIO

            SEVERAL CARS NEAR WESTFIELD INDUSTRIAK PARK RD STUCK IN
            FLOODED WATERS...WATER RESCUES ARE OCCURRING

1257 PM     FLASH FLOOD      WESTFIELD               42.14N  72.76W
08/09/2013                   HAMPDEN            MA   AMATEUR RADIO

            MEADOW ST FLOODED ... CARS ARE STUCK

0128 PM     FLASH FLOOD      HOLYOKE                 42.21N  72.64W
08/09/2013                   HAMPDEN            MA   AMATEUR RADIO

            HOLYOKE MALL - NEAR SEARS - CAR FLOATING IN PARKING LOT

0136 PM     FLASH FLOOD      HOLYOKE                 42.21N  72.64W
08/09/2013                   HAMPDEN            MA   AMATEUR RADIO

            CAR SUBMERGED - PEOPLE TRAPPED - AT CABOT AND
            COMMERCIAL STREETS

&&

123

Special weather statement, Aug 9, 1:54 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
154 PM EDT FRI AUG 9 2013

CTZ002-003-091830-
TOLLAND CT-HARTFORD CT-
154 PM EDT FRI AUG 9 2013

...STRONG THUNDERSTORM NEAR WINDSOR LOCKS...

AT 150 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR WINDSOR LOCKS...MOVING EAST AT 25 MPH.

WIND GUSTS UP TO 40 MPH...TORRENTIAL RAINFALL AND FREQUENT LIGHTNING
WILL ACCOMPANY THIS STORM...AS IT HEADS INTO TOLLAND COUNTY AND
REACHES STAFFORD SPRINGS BY 230 PM.

LOCATIONS IMPACTED INCLUDE... WILLINGTON...STAFFORD...EAST
WINDSOR...ELLINGTON... WINDSOR...SOMERS...ROCKVILLE AND STAFFORD
SPRINGS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GET INDOORS WHEN THIS STORM APPROACHES. WINDS MAY BE STRONG ENOUGH TO
PRODUCE MINOR DAMAGE...SUCH AS DOWNED BRANCHES.

FREQUENT CLOUD TO GROUND LIGHTNING WAS OCCURRING WITH THIS STORM. FOR
YOUR SAFETY...GO INSIDE OR IN A VEHICLE.

&&

LAT...LON 4203 7232 4203 7230 4186 7222 4182 7270
      4191 7274
TIME...MOT...LOC 1750Z 251DEG 21KT 4189 7264

JWD

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 9, 4:11 AM EDT	Flash Flood Watch	BOX	Bristol, Essex, Franklin, Hampden, Hampshire, Middlesex and 4 more	15 hr
Aug 9, 7:31 AM EDT	Areal Flood Advisory	BOX	Franklin, Hampshire, Worcester	119 min
Aug 9, 8:25 AM EDT	Areal Flood Advisory	BOX	Hampden	3 hr
Aug 9, 9:43 AM EDT	Special Weather Statement	BOX	Bristol	47 min
Aug 9, 10:44 AM EDT	Special Weather Statement	BOX	Bristol	46 min
Aug 9, 11:21 AM EDT	Flash Flood Warning	BOX	Hampden, Hampshire	3 hr
Aug 9, 11:35 AM EDT	Special Weather Statement	BOX	Norfolk, Plymouth	40 min
Aug 9, 11:58 AM EDT	Areal Flood Advisory	BOX	Bristol, Norfolk, Plymouth, Suffolk, Worcester	3 hr
Aug 9, 12:33 PM EDT	Flash Flood Warning	BOX	Franklin, Hampden, Hampshire, Worcester	3 hr
Aug 9, 12:40 PM EDT	Special Weather Statement	BOX	Hampden	50 min
Aug 9, 1:05 PM EDT	Special Weather Statement	BOX	Worcester	40 min
Aug 9, 2:14 PM EDT	Flash Flood Warning	BOX	Hampden, Hampshire	3 hr
Aug 9, 3:01 PM EDT	Areal Flood Advisory	BOX	Bristol, Essex, Middlesex, Norfolk, Plymouth, Suffolk	3 hr
Aug 9, 3:05 PM EDT	Areal Flood Advisory	BOX	Middlesex, Worcester	3 hr
Aug 9, 4:29 PM EDT	Special Weather Statement	BOX	Barnstable	46 min
Aug 9, 5:22 PM EDT	Areal Flood Advisory	BOX	Hampden	3 hr
Aug 9, 8:15 AM EDT	Special Weather Statement	BOX	Kent, Providence	45 min
Aug 9, 10:16 AM EDT	Areal Flood Advisory	BOX	Cheshire, Hillsborough	119 min

Nearby

Special Weather Statements in Connecticut, 2013 Every special weather statement in 2013

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.