Connecticut, 2011Flash Flooding and Flood in Connecticut, September 8, 2011
September 8, 2011 · NWS BOX · 3 events in 1 county or zone
A slow moving cold front moved across Southern New England and stalled just south of the area. This front was instrumental in bringing tropical moisture from the remnants of Tropical Storm Lee into New England.
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
Open the live radar over this ground
- Deaths
- 0
- Injuries
- 0
- Property damage
- $118,000
- Crop damage
- None recorded
- Events
- 3
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
A slow moving cold front moved across Southern New England and stalled just south of the area. This front was instrumental in bringing tropical moisture from the remnants of Tropical Storm Lee into New England. A series of shortwaves moved through the northeast during this time period bringing several periods of showers and steady rainfall to parts of Southern New England. Rainfall totals throughout the region over the four days totaled anywhere from two to eight inches, with most areas receiving four to six inches. This resulted in flooding both on the rivers and small streams and in urban areas. The bulk of the flooding in urban areas occurred on Sept. 8 as a band of very heavy rain moved through, dumping up to two inches of rain in an hour to hour and a half in some locations.
What forecasters said that day
The local office's own words before the first event, 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 the first event at Sep 8, 3:34 AM EST, 2 hours 11 minutes earlier.
Area forecast discussion, Sep 8, 3:34 AM EST, 2 hours 11 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TAUNTON MA
434 AM EDT THU SEP 8 2011
.SYNOPSIS...
SHOWERY WEATHER WILL CONTINUE INTO TONIGHT AS FRONTAL BOUNDARY
LINGERS SOUTH OF NEW ENGLAND. HIGH PRESSURE WILL BUILD SOUTHEAST
FROM CANADA FRIDAY USHERING DRIER WEATHER. MEANWHILE KATIA WILL
TRACK SOUTHEAST OF NEW ENGLAND CONTINUING HIGH SURF AND SWELLS FOR
THE SHORELINES INTO FRIDAY. REMNANT LOW PRESSURE FROM ONCE TROPICAL
STORM WILL APPROACH SOUTHERN NEW ENGLAND THIS WEEKEND. THIS MAY YIELD
A FEW SHOWERS FOR THE AREA HOWEVER A WASHOUT IS NOT EXPECTED. THE
WEATHER THEME FOR EARLY NEXT WEEK FAVORS A WARMING TREND AHEAD OF
AN APPROACHING COLD FRONT THAT MAY YIELD SCATTERED SHOWERS TUE
AND/OR WED.
&&
.NEAR TERM /UNTIL 6 PM THIS EVENING/...
FOR THIS MORNING...LINE OF MODEST RAINS WITH EMBEDDED HEAVIER
THUNDERSTORMS WILL PROGRESS NWD WITH THE RGN OF BEST ISENTROPIC
ASCENT AND FRONTOGENETICAL FORCING OF THE WARM MOIST TROPICAL
CONVEYOR BELT ALONG AND N OF THE SFC FRNTL BOUNDARY S OF NEW
ENGLAND. THE DEEP LYR MOIST CONVERGENCE WILL YIELD PRECIP ACCUM
AVERAGES OF AROUND HALF TO ONE WHOLE INCH IN A VERY SHORT PERIOD OF
TIME.
THIS STILL POSES CONCERNS FOR SOME VERY SWOLLEN SMALL STREAM AND
TRIBUTARIES...ESPECIALLY WITHIN THE SMALL BASINS THAT DRAIN INTO THE
MAINSTEM CONNECTICUT RIVER. FLOOD WARNINGS EXIST FOR THE MAINSTEM
CONNECTICUT FROM MONTAGUE CITY S INTO MIDDLETOWN...WITH A FLOOD
WATCH INTO MIDDAY FOR SURROUNDING VICINITIES. AT PRESENT SMALL
STREAMS ARE REMAINING WITHIN THEIR BANKS...BUT LIKELY THE ABUNDANCE
OF RAIN UPON ALREADY SATURATED GROUND FROM PERSISTENT RAINS OVER THE
PAST 48 HRS WILL YIELD URBAN AND POOR DRAINAGE FLOODING.
OTHERWISE FOR TODAY...SHOULD SEE THE BIFURCATION OF SHRTWV ENERGY AS
A RIDGE OF HIGH PRES BUILDS OUT OF THE CENTRAL PLAINS CONJOINING
WITH THE ATLANTIC RIDGE. THIS WILL PRESS THE MID-LVL TROF EWD AND
THRU THE ERN CANADIAN MARTIMES. AS THE REMNANTS OF LEE DISCONNECT
FROM THE MEAN FLOW...WAVERING WWD INTO THE LOWER OH RVR VLY RGN...
THE UPR LVL SUPPORT AND ISENTROPIC ASCENT OF THE WARM MOIST CONVEYOR
BELT SUSPENDS. STILL AN ABUNDANCE OF LLVL MOIST TROPICAL AIR WELL IN
PLACE WITH SOME REMNANT WEAK ISENTROPIC LIFT WITHIN THE VICINITY OF
A STALLED FRNTL BOUNDARY JUST S OF NEW ENGLAND WILL RESULT IN A
DREARY...COOL...AND CLAMMY DAY WITH SHOWERS AND PERSISTENT DRIZZLE.
WILL KEEP CHC TO LIKELY POPS...REDUCING INTO DUSK AS DRIER AIR AT
MID-LVLS BEGINS TO WRAP CYCLONICALLY INTO S NEW ENGLAND AHEAD OF
KATIA/S APPROACH.
REMAINING MOSTLY CLOUDS...PERHAPS MIXING UP TO H925 WHERE TEMPS
HOWEVER +16-18C...WILL KEEP THE DAY COOL WITH MAX TEMPS IN THE MID TO
UPR 60S THRU MUCH OF THE INTERIOR WITH PERHAPS LOW 70S ALONG THE S
SHORELINE AND CT VLY RGN. LIGHT E/NELY WINDS.
&&
.SHORT TERM /6 PM THIS EVENING THROUGH 6 PM FRIDAY/...
THURSDAY NIGHT...
AS KATIA SLIDES SE OF NEW ENGLAND AND BEGINS ITS NE TRACK OUT TO
SEA...RIDGE OF HIGH PRES WILL BE IN CONTROL...AND MID-LVL DRY AIR
CONTINUES TO WRAP CYCLONICALLY ALONG THE N PERIPHERY OF KATIA
ITSELF. ISENTROPIC FLOW BACKS OUT OF THE N...EXHIBITING A
DOWNWELLING TREND IN RESPONSE TO KATIA. LIGHT NLY SFC FLOW CONTINUES
WITH SLIGHTLY COOLER AND DRIER AIR SETTLING INTO THE RGN. CLOUDS
STILL IN CONTROL...PERHAPS A FEW BREAKS ALONG THE S SHORELINE WITH
THE INTRUSION OF DRIER AIR. MINS IN THE UPR 50S TO LOW 60S N TO S.
FRIDAY...
DRIER AIR AND RIDGE OF HIGH PRES IN PLACE. KATIA SLIDES NEWD PAST
NEW ENGLAND AND MAY SEE GUSTS UP TO 30 MPH OVER NANTUCKET WITH THE
POTENTIAL OF SOME OUTER BAND INTERACTION WITH SHOWERY WX. THE
REMAINDER OF THE RGN MAY GRADUALLY CLEAR OUT MIDDAY INTO AFTN. YET
THIS IS SHORT LIVED AS THE ATLANTIC RIDGE BUILDS WWD WITH KATIA/S
DEPARTURE...ENHANCING THE MID-UPR LVL CYCLONIC FLOW AROUND THE
REMNANTS OF LEE OVER THE LWR OH RVR VLY RGN. THE COLLOCATION OF THE
LEFT EXIT RGN OF THE MID-UPR LVL JET STREAK WILL LEND FOR SHOWERS
AND POTENTIAL THUNDERSTORMS TOWARDS THE END OF THE PD FOR THE WRN
FCST RGN. CONFIDENCE IS LOW AT THIS TIME...SOME DEPENDENCY LIES ON
MOISTURE AVAILABILITY. WITH POTENTIAL CLEARING CONDITIONS AND H925
TEMPS OF +18-20C...COULD SEE UPR 70S TO LOW 80S FOR MAX TEMPS.
&&
.LONG TERM /FRIDAY NIGHT THROUGH WEDNESDAY/...
MODEL PREFERENCES AND SYNOPTIC OVERVIEW...
ABOVE AVERAGE FORECAST CONFIDENCE ON THE LARGE SCALE FLOW THIS
PERIOD AS BOTH THE 12Z/07 GEFS AND ECENS ARE TIGHTLY CLUSTERED.
HOWEVER CONFIDENCE IS BELOW AVERAGE ON THE SMALLER SCALE DETAILS.
BOTH MODELS AGREE THAT REMNANT MID LEVEL LOW FROM ONCE TS LEE WILL
REMAIN DETACHED FROM THE WESTERLIES THIS WEEKEND AND AS A RESULT
WILL MOVE SLOWLY FROM THE OH VLY TO NEW ENGLAND. WITH TIME THIS
CLOSED CIRCULATION WILL TRANSITION TO AN OPEN WAVE AND EJECT SHORT
WAVE IMPULSES AND MID LEVEL MOISTURE TOWARD SOUTHERN NEW ENGLAND.
HENCE PLAYING HAVOC WITH OUR WEEKEND FORECAST. THEN BY EARLY NEXT
WEEK GOOD MODEL AGREEMENT ON POLAR VORTEX SLIDING SOUTHWARD INTO
HUDSON BAY WHICH SERVES TO KICK BROAD NE MID LEVEL TROF FINALLY OFF
THE COAST. AHEAD OF THIS DEVELOPING HUDSON BAY TO GREAT LAKES MEAN
TROF WARM AIR ADVECTION PATTERN WILL SET UP OVER THE NORTHEAST
YIELDING A WARMING TREND HERE IN SOUTHERN NEW ENGLAND EARLY NEXT
WEEK.
DAILY DETAILS...
FRI NIGHT AND SAT...
BACKDOOR COLD FRONT SLIDES SOUTH FROM NORTHERN NEW ENGLAND FRI NIGHT
AND THEN ACROSS THE AREA SAT. MID LEVEL CONFLUENT FLOW THEN SETS UP
OVER THE AREA SAT PROVIDING LARGE SCALE MID LEVEL SUBSIDENCE AND
SURFACE HIGH PRES OVER THE REGION YIELDING DRY AND COOLER WEATHER.
THE 00Z GFS APPEARS TO BE AN OUTLIER WITH CONFLUENT ZONE FARTHER
NORTH ALLOWING LEFTOVER MOISTURE FROM REMNANT TS LEE OVER PA TO
STREAM EASTWARD INTO SOUTHERN NEW ENGLAND. GIVEN THE STRENGTH OF
THE NORTHERN STREAM JET PREFER THE SUPPRESSED SOLUTIONS FROM THE 00Z
NAM/GEFS AND ECMWF. THEREFORE HAVE UNDERCUT GFS MOS POPS BY
INCORPORATING THE DRIER METNAM POPS THIS PERIOD.
NE SURFACE FLOW AND SHALLOW COOL AIRMASS BEHIND BACKDOOR COLD FRONT
WILL YIELD LARGE TEMP DIFFERENCES SAT BETWEEN EASTERN MA /60S/ AND
THE CT RVR VLY /70S/.
SAT NIGHT THROUGH SUN NIGHT...
MID LEVEL CONFLUENT ZONE LIFTS NORTH PROMOTING FRONT TO OUR SOUTH TO
DRIFT NORTHWARD. UPSTREAM MID LEVEL LOW OVER THE OH VLY WILL
EJECT JET IMPULSES TOWARD THE REGION DURING THIS TIME FRAME. THE
COMBINATION OF THESE FEATURES WILL INCREASE THE RISK FOR SCATTERED
SHOWERS OVER SOUTHERN NEW ENGLAND. ALTHOUGH FORCING FOR ASCENT AND
INSTABILITY ARE MARGINAL SO AREAL COVERAGE OF SHOWERS WILL LIKELY BE
ISOLATED TO WIDELY SCATTERED. THUS TRIMMED GFS MOS POPS WITH DRIER
HPC GUIDANCE. OVERALL THE BULK OF THE WEEKEND APPEARS DRY WITH JUST
A LOW PROB OF DODGING A FEW SHOWERS...HIGHEST PROBS ACRS WRN MA INTO
CT AND COASTAL RI AND SOUTHEAST MA.
MON/TUE/WED...
REMNANT MID LEVEL LOW FROM ONCE TS LEE WILL FINALLY MOVE OFFSHORE MON
SUPPORTING A TREND TOWARD DRY WEATHER. NEW MEAN MID LEVEL TROF
DEVELOPS FROM HUDSON BAY SOUTHWARD TO THE GREAT LAKES TUE/WED. THIS
WILL LIKELY PROVIDE A WARMING TREND INTO THE NORTHEAST BEFORE A COLD
FRONTAL PASSAGE SOMETIME MIDDLE OF NEXT WEEK. THE RISK OF SHOWERS
WILL ALSO INCREASE WITH THIS FEATURE TUE AND WED. BEHIND THE FRONT
UNSEASONABLY COOL AIR MAY OVERSPREAD THE REGION.
&&
.AVIATION /09Z THURSDAY THROUGH MONDAY/...
FORECASTER CONFIDENCE LEVELS...
LOW...LESS THAN 30 PERCENT
MODERATE...30 PERCENT TO 60 PERCENT
HIGH...GREATER THAN 60 PERCENT
INTO THE MORNING...
MODERATE CONFIDENCE IFR/LIFR. LINE OF RA WITH EMBEDDED TSRA WILL
LEND TO REDUCED VSBYS ON TOP OF IFR/LIFR CIGS AND DZ CONDITIONS.
HAVE GONE CB AND TEMPO FOR S TERMINALS IN PATH OF RA/TSRA...BUT
ANTICIPATE ENERGY TO DISSIPATE AS IT LIFTS N. CONTINUED LIGHT NLY
FLOW.
TODAY...
MODERATE CONFIDENCE IFR. LLVL MOISTURE REMAINS IN PLACE AS SFC
FRNT REMAINS ADJACENT AND TO THE S OF NEW ENGLAND. SHRA/FG
EXPECTED THRU THE DAY...PERHAPS SOME SLIGHT LIFT DURING THE MIDDAY
OF MVFR PSBL ESPECIALLY WITHIN THE CT VLY TERMINALS. LGT/VRB NLY
FLOW.
TONIGHT...
MODERATE CONFIDENCE IFR/LIFR. COOLING OF THE VERY MOIST LLVLS WILL
CONTINUE THE VERY LOW CIGS AND REDUCTION IN VSBYS. WILL SEE
INCREASE E/NE FLOW FOR THE SE TERMINALS...ESPECIALLY ACK...WITH
THE APPROACH OF KATIA.
FRIDAY...
MODERATE CONFIDENCE MVFR/IFR. IFR/LIFR CONDITIONS LINGERING INTO
MORNING WITH SCT SHRA...BUT DRIER AIR USHERING INTO THRU THE
MIDDAY INTO AFTN PD MAY ALLOW FOR CONDITIONS TO DRAMATICALLY
IMPROVE MVFR/VFR. WILL NEED TO MONITOR ACK WITH THE CLOSE
PROXIMITY OF KATIA...LIKENED TO SEE MODEST GUSTY WINDS. E/NELY
FLOW.
KBOS TERMINAL...
MODERATE CONFIDENCE. IFR/LIFR CIGS AND VSBYS. RAINS TO MOVE IN
THRU THE TERMINAL IN THE NEXT COUPLE OF HRS...THOUGH NOT CONFIDENT
ON TSRA CHCS SO HAVE OMITTED CB FOR NOW. PERHAPS SOME SLIGHT
IMPROVEMENT INTO THE MIDDAY PD...OTHERWISE TERMINAL WILL REMAIN
SOCKED IN WITH AN ABUNDANCE OF LLVL MOISTURE...LOW CIGS AND
DRIZZLE...COUPLED WITH E/NEWLY FLOW.
OUTLOOK...FRIDAY NIGHT THROUGH MONDAY...
FRIDAY NIGHT-SATURDAY...MODERATE TO HIGH CONFIDENCE FOR VFR CIGS.
LOW PROBABILITY OF MVFR CONDITIONS IN SCATTERED SHOWERS ACROSS CT
AND COASTAL SECTIONS OF RI AND SOUTHEAST MA. LIGHT WINDS EXPECTED.
SUNDAY...VFR CIGS WITH A LOW RISK OF ISOLATED TO SCATTERED SHOWERS.
LIGHT WINDS CONTINUE.
MONDAY...MODERATE TO HIGH CONFIDENCE FOR VFR CONDITIONS AND DRY
WEATHER. LIGHT WINDS SHOULD PREVAIL.
&&
.MARINE...
SEAS CONTINUE TO BUILD ALONG THE S/E SHORELINES...WITH INCREASING
SWELL EMANATING NORTH FROM KATIA. ANTICIPATE 8 TO 10 FOOT SEAS
ALONG THE S SHORELINE TODAY...WITH 10 TO 12 FOOT SEAS INTO FRIDAY
MORNING LINGERING INTO DUSK...15 FOOT SEAS WELL S/E OF NANTUCKET.
ALL OF THIS WITH PERIODS OF 13-15 SECONDS AND SWELLS OF 10 TO 12
FEET.
WITH REGARDS TO WINDS...WILL SEE E/NE FLOW INCREASE THURSDAY NIGHT
INTO FRIDAY...WITH THE STRONGEST GUSTS FRIDAY MORNING INTO MIDDAY
WITH GUSTS OF UPWARDS OF 30 KTS.
THE BUILDING SEAS AND LONG PERIODS WILL RESULT IN HEAVY SURF ALONG
PORTIONS OF THE COASTLINE EXPOSED TO SOUTHEAST SWELL. HIGH SURF
AND SMALL CRAFT ADVISORIES HAVE BEEN EXTENDED ACCORDINGLY.
OUTLOOK...FRI NIGHT THROUGH MONDAY...
FRI NIGHT AND SAT...
CHOPPY/ROUGH SEAS ACROSS THE OCEAN WATERS WITH LEFTOVER SE SWELLS
FROM KATIA COMBINING WITH NE WIND WAVES BEHIND BACKDOOR COLD FRONT.
LIGHT NW WINDS FRI NIGHT WILL BECOME NE 15-20 KT SAT. DRY WEATHER
SHOULD PREVAIL WITH A LOW RISK OF SHOWERS OVER THE SOUTHERN COASTAL
WATERS.
SUN AND MON...
SWELLS FROM KATIA WILL HAVE DIMINISHED BY SUN. LIGHT WINDS SUN AS
HIGH PRES BUILDS OVER NEW ENGLAND. THE HIGH MOVES OFSHR MON WITH
WINDS BECOMING WSW. DRY WEATHER SHOULD PREVAIL.
&&
.HYDROLOGY...
FLOOD WARNINGS CONTINUE FOR THE CT RIVER AT ALL POINTS FROM
MONTAGUE SOUTH TO MIDDLETOWN. ALL POINTS ASIDE FROM MIDDLETOWN TO
RISE TO MINOR FLOODING...WITH MIDDLETOWN RISING TO MODERATE
STAGE...FRIDAY INTO SATURDAY. SMALLER BASINS WITHIN THE CT VALLEY
REGION REMAIN IN A FLOOD WATCH INTO MIDDAY...AND AS OF LATE WITHIN
THEIR BANKS. LIKELY SATURATING RAINS OVER THE PAST 48 HRS...
COUPLED WITH THE BASIN AVERAGE ONE INCH RAINS DURING THE EVENING
INTO THE MORNING HRS...WILL LIKELY LEAD TO THE SWELLING OF A FEW
SMALL STREAMS AND TRIBUTARIES...WITH ADDITIONAL IMPACTS TO URBAN
AND POOR DRAINAGE AREAS...AND PONDING OF WATERS ALONG ROADWAYS.
&&
.BOX WATCHES/WARNINGS/ADVISORIES...
CT...FLOOD WATCH UNTIL 11 AM EDT THIS MORNING FOR CTZ002.
MA...HIGH SURF ADVISORY UNTIL 8 PM EDT FRIDAY FOR MAZ007-020-
022>024.
FLOOD WATCH UNTIL 11 AM EDT THIS MORNING FOR MAZ002-003-
008>011.
NH...FLOOD WATCH UNTIL 11 AM EDT THIS MORNING FOR NHZ011.
RI...HIGH SURF ADVISORY UNTIL 8 PM EDT FRIDAY FOR RIZ006>008.
MARINE...SMALL CRAFT ADVISORY UNTIL 8 PM EDT FRIDAY FOR ANZ235-237-250-
254>256.
SMALL CRAFT ADVISORY UNTIL NOON EDT TODAY FOR ANZ251.
&&
SYNOPSIS...NOCERA/SIPPRELL
NEAR TERM...SIPPRELL
SHORT TERM...SIPPRELL
LONG TERM...NOCERA
AVIATION...NOCERA/SIPPRELL
MARINE...NOCERA/SIPPRELL
HYDROLOGY...SIPPRELLHazardous weather outlook, Sep 8, 3:42 AM EST, 2 hours 3 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE TAUNTON MA
442 AM EDT THU SEP 8 2011
MAZ007-020-022>024-RIZ006>008-090845-
EASTERN ESSEX MA-SOUTHERN BRISTOL MA-BARNSTABLE MA-DUKES MA-
NANTUCKET MA-WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI-
442 AM EDT THU SEP 8 2011
...HIGH SURF ADVISORY IN EFFECT UNTIL 8 PM EDT FRIDAY...
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEASTERN
MASSACHUSETTS...SOUTHEASTERN MASSACHUSETTS AND SOUTHERN RHODE
ISLAND.
.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.
HIGH SURF ADVISORY.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.
HIGH SURF ADVISORY.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
CTZ002-MAZ002-003-008>011-NHZ011-090845-
HARTFORD CT-WESTERN FRANKLIN MA-EASTERN FRANKLIN MA-
WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-
EASTERN HAMPDEN MA-CHESHIRE NH-
442 AM EDT THU SEP 8 2011
...FLOOD WATCH IN EFFECT UNTIL 11 AM EDT THIS MORNING...
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN
CONNECTICUT...WESTERN 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.
FLOOD WATCH.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
CTZ003-004-MAZ004>006-012>019-021-026-NHZ012-015-RIZ001>005-090845-
TOLLAND CT-WINDHAM CT-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-
WESTERN ESSEX MA-SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-
SOUTHEAST MIDDLESEX MA-SUFFOLK MA-EASTERN NORFOLK MA-
NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA-
SOUTHERN PLYMOUTH MA-NORTHERN MIDDLESEX MA-EASTERN HILLSBOROUGH NH-
WESTERN AND CENTRAL HILLSBOROUGH NH-NORTHWEST PROVIDENCE RI-
SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-BRISTOL RI-
442 AM EDT THU SEP 8 2011
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN
CONNECTICUT...CENTRAL MASSACHUSETTS...EASTERN
MASSACHUSETTS...NORTHEASTERN MASSACHUSETTS...SOUTHEASTERN
MASSACHUSETTS...SOUTHERN NEW HAMPSHIRE AND NORTHERN RHODE ISLAND.
.DAY ONE...TODAY AND TONIGHT.
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
ANZ230>237-250-251-254>256-090845-
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-
442 AM EDT THU SEP 8 2011
THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS COASTAL WATERS
AND RHODE ISLAND COASTAL WATERS.
.DAY ONE...TODAY AND TONIGHT.
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
LOW PROBABILITY OF TROPICAL STORM FORCE WIND GUSTS SOUTH AND EAST
OF NANTUCKET THURSDAY NIGHT AND FRIDAY.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
Flash Flood, Hartford
- When
- September 8, 5:45 AM EST to 9:00 AM EST
- Where
- Hartford County, 1.49 mi SE of Simsbury to 1.6 mi WSW of Bloomfield
- Cause
- Heavy Rain / Tropical System
- Property damage
- $18,000
- Reported by
- Amateur Radio
- Coordinates
- 41.863, -72.782
Numerous roads were closed throughout Bloomfield because of water one to two feet deep over the roads. In addition, a ten foot section of Bloomfield Avenue was washed out near the intersection of Bloomfield Avenue and Route 218.
Flash Flood, Hartford
- When
- September 8, 6:00 AM EST to 10:00 AM EST
- Where
- Hartford County, 1.54 mi S of Bloomfield to 1.23 mi N of Hartford
- Cause
- Heavy Rain / Tropical System
- Property damage
- $100,000
- Reported by
- Broadcast Media
- Coordinates
- 41.798, -72.725
Dozens of cars in Parking Lot E of the University of Hartford were floating after the north branch of the Park River overflowed its banks into the parking lot. University officials said it was only the second time in the past 15 years that flooding had been this bad. In addition, several mainstem rivers experienced flooding, including: the Farmington River at Simsbury and Unionville and the Connecticut River at Thompsonville and Hartford. No damage associated with this flooding was reported.
Flood, Hartford
- When
- September 8, 7:58 AM EST to 9:00 AM EST
- Where
- Hartford County, Burlington to 1.99 mi WNW of Lake Garda
- Cause
- Heavy Rain / Tropical System
- Reported by
- Amateur Radio
- Coordinates
- 41.770, -72.970
Scoville Street, West Chippens Hill Road, and the George Washington Turnpike were flooded with one foot of water. In addition, Bunnell Brook at Burlington experienced minor flooding.
- Flash Flood
- Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
- Flood
- Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Flooding in New York, September 8, 2011$6.3 million · 7 events
- Flash Flood and Flooding in Massachusetts, September 8 to 9, 2011$195,000 · 6 events
- Excessive Heat in Florida, September 8, 20118 injured · 1 event
- Flash Flood and Flooding in Rhode Island, September 8, 2011$30,000 · 3 events
- High Wind in Nevada, September 8, 2011$20,000 · 58 kt wind · 1 event
- Flash Flooding in Virginia, September 8 to 9, 20117 events
- Flash Flood and Flooding in Maryland, September 8 to 9, 20116 events
- Rip Current and High Surf in Florida, September 8, 20114 events
- Flooding in Connecticut, September 8, 20112 events
- Wildfire in Arkansas, September 8, 20111 event
- Marine Thunderstorm Wind in North Atlantic Coastal Waters, September 8, 20111 event
- Damaging Wind in Nevada, September 8, 2011$8,000 · 61 kt wind · 1 event
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 348398, 348406, 348382.