Alert archive / Massachusetts / Flash Flood Watches in 2015
Flash Flood Watch 7, NWS Boston/Norton, MA
NWS Boston/Norton, MA issued this flash flood watch at Sep 10, 2015, 11:35 AM EDT for 11 counties in Massachusetts; Capitol Planning Region, Northeastern Connecticut Planning Region, Connecticut; 5 counties in Rhode Island. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Sep 10, 2015, 11:35 AM EDT (15:35 UTC)
- Expired
- Sep 11, 2015, 4:14 AM EDT
- In force
- 17 hr
- Issued by
- NWS Boston/Norton, MA
- Flood severity
- None
Counties Capitol Planning Region, CT, Northeastern Connecticut Planning Region, CT, Barnstable County, MA, Bristol County, MA, Essex County, MA, Franklin County, MA, Hampden County, MA, Hampshire County, MA, Middlesex County, MA, Norfolk County, MA, Plymouth County, MA, Suffolk County, MA, Worcester County, MA, Bristol County, RI, Kent County, RI, Newport County, RI, Providence County, RI, Washington County, RI
The radar
The Boston radar (KBOX), 37 km from the middle of the area, began a volume at 15:36 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
Chatham, MA (KCHH), launched 12:00Z, 3.6 hours before the alert went out and 138 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.
- Mixed-layer CAPE
- 380 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 663 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
685 WGUS61 KBOX 101535 FFABOX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE TAUNTON MA 1135 AM EDT THU SEP 10 2015 ...PATCHES OF HEAVY RAINFALL WILL CONTINUE THROUGH EVENING... MAZ017>022-RIZ002>007-102345- /O.NEW.KBOX.FF.A.0007.150910T1535Z-150911T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA- SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA- SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI- BRISTOL RI-WASHINGTON RI-NEWPORT RI- INCLUDING THE CITIES OF...TAUNTON...BROCKTON...PLYMOUTH... FALL RIVER...NEW BEDFORD...MATTAPOISETT...CHATHAM...FALMOUTH... PROVINCETOWN...PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL... NARRAGANSETT...WESTERLY...NEWPORT 1135 AM EDT THU SEP 10 2015 ...FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A * FLASH FLOOD WATCH FOR BRISTOL...PLYMOUTH AND BARNSTABLE COUNTIES IN MASSACHUSETTS...AS WELL AS WASHINGTON...KENT...NEWPORT AND BRISTOL COUNTIES IN RHODE ISLAND. METRO PROVIDENCE IS ALSO INCLUDED. * THROUGH MIDNIGHT. * THUNDERSTORMS AND VERY HEAVY SHOWERS CONTINUE TO MOVE ACROSS SOUTHEASTERN PORTIONS OF SOUTHERN NEW ENGLAND...IN A CORRIDOR OF VERY HIGH MOISTURE CONTENT. THIS WILL BE A FOCUS FOR CONTINUED HEAVY RAIN THROUGH THE DAY. THE HEAVY RAIN MAY LEAD TO LOCALIZED FLASH FLOODING...PARTICULARLY IN URBANIZED AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$
4 follow-up statements
327 WGUS61 KBOX 101843 FFABOX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE TAUNTON MA 243 PM EDT THU SEP 10 2015 ...LOCALIZED FLASH FLOODING POSSIBLE LATE THIS AFTERNOON AND INTO THE OVERNIGHT HOURS... CTZ002>004-MAZ002>016-026-RIZ001-110245- /O.EXB.KBOX.FF.A.0007.000000T0000Z-150911T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA- EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA- WESTERN ESSEX MA-EASTERN ESSEX MA-WESTERN HAMPSHIRE MA- WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA- SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA- SUFFOLK MA-EASTERN NORFOLK MA-NORTHERN MIDDLESEX MA- NORTHWEST PROVIDENCE RI- INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION... VERNON...PUTNAM...WILLIMANTIC...CHARLEMONT...GREENFIELD... ORANGE...BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE... GLOUCESTER...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON... SPRINGFIELD...MILFORD...WORCESTER...FOXBORO...NORWOOD... CAMBRIDGE...BOSTON...QUINCY...AYER...FOSTER...SMITHFIELD 243 PM EDT THU SEP 10 2015 ...FLASH FLOOD WATCH IN EFFECT THROUGH LATE TONIGHT... THE NATIONAL WEATHER SERVICE IN TAUNTON HAS EXPANDED THE * FLASH FLOOD WATCH TO INCLUDE PORTIONS OF NORTHERN CONNECTICUT...NORTHWEST RHODE ISLAND AND MOST OF MASSACHUSETTS. * THROUGH EARLY FRIDAY MORNING. * PERIODS OF HEAVY SHOWERS AND EMBEDDED THUNDERSTORMS WILL RESULT IN TORRENTIAL RAINFALL LATER THIS AFTERNOON AND INTO THE OVERNIGHT HOURS. SOME LOCATIONS MAY SEE 2 TO 3 INCHES OF RAINFALL IN LESS THAN AN HOUR. THIS MAY RESULT IN LOCALIZED FLASH FLOODING AND ALSO SEND SOME FLASHIER STREAMS INTO FLOOD. * THE GREATEST RISK FOR FLASH FLOODING IS ACROSS THE WESTERN HALF OF MASSACHUSETTS AND ESPECIALLY INTO NORTHERN CONNECTICUT. HOWEVER...LOCALIZED FLASH FLOODING CAN NOT BE RULED OUT ACROSS THE REST OF THE REGION...WHICH IS THE REGION FOR THE LARGE FLASH FLOOD WATCH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ MAZ017>022-RIZ002>007-110245- /O.CON.KBOX.FF.A.0007.000000T0000Z-150911T0400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA- SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA- SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI- BRISTOL RI-WASHINGTON RI-NEWPORT RI- INCLUDING THE CITIES OF...TAUNTON...BROCKTON...PLYMOUTH... FALL RIVER...NEW BEDFORD...MATTAPOISETT...CHATHAM...FALMOUTH... PROVINCETOWN...PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL... NARRAGANSETT...WESTERLY...NEWPORT 243 PM EDT THU SEP 10 2015 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF SOUTHEAST MASSACHUSETTS AND RHODE ISLAND. * THROUGH MIDNIGHT. * PERIODS OF HEAVY SHOWERS AND EMBEDDED THUNDERSTORMS WILL RESULT IN TORRENTIAL RAINFALL TONIGHT...ESPECIALLY DURING THE EVENING HOURS. SOME LOCATIONS MAY SEE 2 TO 3 INCHES OF RAINFALL IN LESS THAN AN HOUR. THIS MAY RESULT IN LOCALIZED FLASH FLOODING AND ALSO SEND SOME FLASHIER STREAMS INTO FLOOD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$
760 WGUS61 KBOX 110237 FFABOX URGENT - IMMEDIATE BROADCAST REQUESTED FLOOD WATCH NATIONAL WEATHER SERVICE TAUNTON MA 1037 PM EDT THU SEP 10 2015 ...LOCALIZED FLASH FLOODING POSSIBLE OVERNIGHT... MAZ017>022-RIZ002>007-111000- /O.EXT.KBOX.FF.A.0007.000000T0000Z-150911T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA- SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA- SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI- BRISTOL RI-WASHINGTON RI-NEWPORT RI- INCLUDING THE CITIES OF...TAUNTON...BROCKTON...PLYMOUTH... FALL RIVER...NEW BEDFORD...MATTAPOISETT...CHATHAM...FALMOUTH... PROVINCETOWN...PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL... NARRAGANSETT...WESTERLY...NEWPORT 1037 PM EDT THU SEP 10 2015 ...FLASH FLOOD WATCH NOW IN EFFECT UNTIL 6 AM EDT FRIDAY... THE FLASH FLOOD WATCH IS NOW IN EFFECT FOR * PORTIONS OF SOUTHEASTERN MASSACHUSETTS AND RHODE ISLAND...INCLUDING THE FOLLOWING IN SOUTHEASTERN ...MASSACHUSETTS... BARNSTABLE...BRISTOL AND PLYMOUTH. IN RHODE ISLAND...BRISTOL... KENT...NEWPORT...SOUTHEAST PROVIDENCE AND WASHINGTON. * UNTIL 6 AM EDT FRIDAY * PERIODS OF HEAVY SHOWERS AND EMBEDDED THUNDERSTORMS WILL RESULT IN TORRENTIAL RAINFALL TONIGHT. SOME LOCATIONS MAY SEE 2 TO 3 INCHES OF RAINFALL IN LESS THAN AN HOUR. THIS MAY RESULT IN LOCALIZED FLASH FLOODING AND ALSO SEND SOME FLASHIER STREAMS INTO FLOOD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ CTZ002>004-MAZ002>016-026-RIZ001-111000- /O.CON.KBOX.FF.A.0007.000000T0000Z-150911T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA- EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA- WESTERN ESSEX MA-EASTERN ESSEX MA-WESTERN HAMPSHIRE MA- WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA- SOUTHERN WORCESTER MA-WESTERN NORFOLK MA-SOUTHEAST MIDDLESEX MA- SUFFOLK MA-EASTERN NORFOLK MA-NORTHERN MIDDLESEX MA- NORTHWEST PROVIDENCE RI- INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION... VERNON...PUTNAM...WILLIMANTIC...CHARLEMONT...GREENFIELD... ORANGE...BARRE...FITCHBURG...FRAMINGHAM...LOWELL...LAWRENCE... GLOUCESTER...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON... SPRINGFIELD...MILFORD...WORCESTER...FOXBORO...NORWOOD... CAMBRIDGE...BOSTON...QUINCY...AYER...FOSTER...SMITHFIELD 1037 PM EDT THU SEP 10 2015 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 6 AM EDT FRIDAY... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF NORTHERN CONNECTICUT...MASSACHUSETTS AND NORTHERN RHODE ISLAND...INCLUDING THE FOLLOWING IN NORTHERN ... CONNECTICUT...HARTFORD...TOLLAND AND WINDHAM. IN MASSACHUSETTS...ESSEX...FRANKLIN...HAMPDEN...HAMPSHIRE...MIDDLESEX...NORFOLK...SUFFOLK AND WORCESTER. IN NORTHERN RHODE ISLAND...NORTHWEST PROVIDENCE. * UNTIL 6 AM EDT FRIDAY * PERIODS OF HEAVY SHOWERS AND EMBEDDED THUNDERSTORMS WILL RESULT IN TORRENTIAL RAINFALL LATER THIS AFTERNOON AND INTO THE OVERNIGHT HOURS. SOME LOCATIONS MAY SEE 2 TO 3 INCHES OF RAINFALL IN LESS THAN AN HOUR. THIS MAY RESULT IN LOCALIZED FLASH FLOODING AND ALSO SEND SOME FLASHIER STREAMS INTO FLOOD. * THE GREATEST RISK FOR FLASH FLOODING IS ACROSS THE WESTERN HALF OF MASSACHUSETTS AND ESPECIALLY INTO NORTHERN CONNECTICUT. HOWEVER...LOCALIZED FLASH FLOODING CAN NOT BE RULED OUT ACROSS THE REST OF THE REGION...WHICH IS THE REGION FOR THE LARGE FLASH FLOOD WATCH. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$
375 WGUS61 KBOX 110529 FFABOX FLOOD WATCH NATIONAL WEATHER SERVICE TAUNTON MA 129 AM EDT FRI SEP 11 2015 ...LOCALIZED FLASH FLOODING POSSIBLE OVERNIGHT... CTZ002>004-MAZ002-003-008>011-110630- /O.CAN.KBOX.FF.A.0007.000000T0000Z-150911T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA- EASTERN FRANKLIN MA-WESTERN HAMPSHIRE MA-WESTERN HAMPDEN MA- EASTERN HAMPSHIRE MA-EASTERN HAMPDEN MA- INCLUDING THE CITIES OF...HARTFORD...WINDSOR LOCKS...UNION... VERNON...PUTNAM...WILLIMANTIC...CHARLEMONT...GREENFIELD... ORANGE...CHESTERFIELD...BLANDFORD...AMHERST...NORTHAMPTON... SPRINGFIELD 129 AM EDT FRI SEP 11 2015 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR PORTIONS OF NORTHERN CONNECTICUT AND WESTERN MASSACHUSETTS HAS BEEN CANCELLED. RAINFALL OCCURRING IN THESE AREAS HAS BEEN MINIMAL...ONE TENTH OF AN INCH PER HOUR OR LESS. THEREFORE...THE FLASH FLOOD WATCH HAS BEEN CANCELLED. $$ MAZ004>007-012>016-026-RIZ001-111000- /O.CON.KBOX.FF.A.0007.000000T0000Z-150911T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-WESTERN ESSEX MA- EASTERN ESSEX MA-SOUTHERN WORCESTER MA-WESTERN NORFOLK MA- SOUTHEAST MIDDLESEX MA-SUFFOLK MA-EASTERN NORFOLK MA- NORTHERN MIDDLESEX MA-NORTHWEST PROVIDENCE RI- INCLUDING THE CITIES OF...BARRE...FITCHBURG...FRAMINGHAM... LOWELL...LAWRENCE...GLOUCESTER...MILFORD...WORCESTER...FOXBORO... NORWOOD...CAMBRIDGE...BOSTON...QUINCY...AYER...FOSTER... SMITHFIELD 129 AM EDT FRI SEP 11 2015 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 6 AM EDT EARLY THIS MORNING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF MASSACHUSETTS AND NORTHERN RHODE ISLAND... INCLUDING THE FOLLOWING IN MASSACHUSETTS...ESSEX... ... MIDDLESEX...NORFOLK...SUFFOLK AND WORCESTER. IN NORTHERN RHODE ISLAND...NORTHWEST PROVIDENCE. * UNTIL 6 AM EDT EARLY THIS MORNING * PERIODS OF HEAVY SHOWERS AND EMBEDDED THUNDERSTORMS WILL RESULT IN TORRENTIAL RAINFALL LATER THIS AFTERNOON AND INTO THE OVERNIGHT HOURS. SOME LOCATIONS MAY SEE 2 TO 3 INCHES OF RAINFALL IN LESS THAN AN HOUR. THIS MAY RESULT IN LOCALIZED FLASH FLOODING AND ALSO SEND SOME FLASHIER STREAMS INTO FLOOD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ MAZ017>022-RIZ002>007-111000- /O.CON.KBOX.FF.A.0007.000000T0000Z-150911T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NORTHERN BRISTOL MA-WESTERN PLYMOUTH MA-EASTERN PLYMOUTH MA- SOUTHERN BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA- SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI- BRISTOL RI-WASHINGTON RI-NEWPORT RI- INCLUDING THE CITIES OF...TAUNTON...BROCKTON...PLYMOUTH... FALL RIVER...NEW BEDFORD...MATTAPOISETT...CHATHAM...FALMOUTH... PROVINCETOWN...PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL... NARRAGANSETT...WESTERLY...NEWPORT 129 AM EDT FRI SEP 11 2015 ...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 6 AM EDT EARLY THIS MORNING... THE FLASH FLOOD WATCH CONTINUES FOR * PORTIONS OF SOUTHEASTERN MASSACHUSETTS AND RHODE ISLAND... INCLUDING THE FOLLOWING IN SOUTHEASTERN ...MASSACHUSETTS... BARNSTABLE...BRISTOL AND PLYMOUTH. IN RHODE ISLAND...BRISTOL... KENT...NEWPORT...SOUTHEAST PROVIDENCE AND WASHINGTON. * UNTIL 6 AM EDT EARLY THIS MORNING * PERIODS OF HEAVY SHOWERS AND EMBEDDED THUNDERSTORMS WILL RESULT IN TORRENTIAL RAINFALL TONIGHT. SOME LOCATIONS MAY SEE 2 TO 3 INCHES OF RAINFALL IN LESS THAN AN HOUR. THIS MAY RESULT IN LOCALIZED FLASH FLOODING AND ALSO SEND SOME FLASHIER STREAMS INTO FLOOD. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED. && $$ RLG
490 WGUS61 KBOX 110814 FFABOX FLOOD WATCH NATIONAL WEATHER SERVICE TAUNTON MA 414 AM EDT FRI SEP 11 2015 MAZ004>007-012>022-026-RIZ001>007-110915- /O.CAN.KBOX.FF.A.0007.000000T0000Z-150911T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA-WESTERN ESSEX MA- EASTERN 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 BRISTOL MA-SOUTHERN PLYMOUTH MA-BARNSTABLE MA- NORTHERN MIDDLESEX MA-NORTHWEST PROVIDENCE RI- SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI- BRISTOL RI-WASHINGTON RI-NEWPORT RI- INCLUDING THE CITIES OF...BARRE...FITCHBURG...FRAMINGHAM... LOWELL...LAWRENCE...GLOUCESTER...MILFORD...WORCESTER...FOXBORO... NORWOOD...CAMBRIDGE...BOSTON...QUINCY...TAUNTON...BROCKTON... PLYMOUTH...FALL RIVER...NEW BEDFORD...MATTAPOISETT...CHATHAM... FALMOUTH...PROVINCETOWN...AYER...FOSTER...SMITHFIELD... PROVIDENCE...WEST GREENWICH...WARWICK...BRISTOL...NARRAGANSETT... WESTERLY...NEWPORT 414 AM EDT FRI SEP 11 2015 ...FLASH FLOOD WATCH IS CANCELLED... THE FLASH FLOOD WATCH FOR PORTIONS OF MASSACHUSETTS AND RHODE ISLAND HAS BEEN CANCELLED. WHILE SHOWERS WILL CONTINUE THIS MORNING ACROSS RHODE ISLAND AND SOUTHEAST MASSACHUSETTS...RAINFALL AMOUNTS WILL NO LONGER BE HEAVY ENOUGH TO RESULT IN FLASH FLOODING. THERE COULD BE SOME AREAS OF NUISANCE POOR-DRAINAGE FLOODING OF URBAN AND LOW-LYING AREAS...ESPECIALLY ACROSS SOUTHEAST MASSACHUSETTS THIS MORNING. $$
What forecasters said that day
The local office's own words before this flash flood watch 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 flash flood watch went out at Sep 10, 10:49 AM EDT, 46 minutes earlier.
Area forecast discussion, Sep 10, 10:49 AM EDT, 46 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAUNTON MA 1049 AM EDT THU SEP 10 2015 .SYNOPSIS... A WEAK COLD FRONT WILL STALL ALONG THE SOUTHERN NEW ENGLAND COASTLINE THIS AFTERNOON. A WAVE OF LOW PRESSURE WILL TRAVEL ALONG THE FRONT LATE AFTERNOON AND TONIGHT...BRINGING WIDESPREAD SHOWERS AND SOME THUNDERSTORMS ALONG WITH LOCALLY HEAVY RAINFALL. THE LOW DEPARTS ON FRIDAY. WEAK HIGH PRESSURE THEN BRINGS DRY AND MILD CONDITIONS FOR SATURDAY. AN ANOMALOUS WEATHER SYSTEM MOVES EAST...WITH MORE RAIN MOVING IN LATE THIS WEEKEND BEFORE EXITING MONDAY. HIGH PRESSURE LOOKS TO RETURN WITH DRY CONDITIONS AND ABOVE NORMAL TEMPERATURES INTO THE MIDDLE OF NEXT WEEK. && .NEAR TERM /UNTIL 6 PM THIS EVENING/... MOIST AIR REMAINS IN PLACE OVER SOUTHERN NEW ENGLAND WITH DEEP MOISTURE IN PLACE. PRECIPITABLE WATER VALUES OF 1.8 TO 2.1 INCHES EXTEND FROM CAPE COD TO LONG ISLAND SOUND. VALUES DIMINISH TO 1.5 NEAR THE NH BORDER. FAVORABLE STABILITY PARAMETERS AND DEEP MOISTURE ARE IN PLACE. LOW PRESSURE OVER THE MID ATLANTIC STATES IS DIRECTING SOUTHERLY LOW LEVEL WINDS UP THE COAST AND OVER THE STALLED FRONT. THIS MEANS LOW LEVEL CONVERGENCE ALONG THE STALLED FRONT AT THE SURFACE...AND ITS REFLECTIONS UP TO 5000 FEET. ALL OF THIS WILL WORK FAVORABLY TO GENERATE ADDITIONAL SHOWERS/SCATTERED TSTMS DURING THE AFTERNOON. THE DEEP MOISTURE IS AROUND 2 STD DEV ABOVE NORMAL. ALL OF THIS MEANS POTENTIAL FOR LOCALLY HEAVY DOWNPOURS WITH URBAN/POOR DRAINAGE FLOODING A CONCERN THAT WE WILL MONITOR. WITH THE COASTAL AREAS WORKED OVER DURING THE MORNING...THE FOCUS FOR CONVECTION MAY SHIFT FARTHER NORTH/WEST FOR THE AFTERNOON/EVENING. MOVEMENT OF EXISTING CONVECTION UPSTREAM NEAR NYC WOULD ALSO SUGGEST THIS. NO CHANGES TO THE TEMPERATURE FORECASTS. && .SHORT TERM /6 PM THIS EVENING THROUGH 6 PM FRIDAY/... LOW PRESSURE DEVELOPS ALONG THIS STALLED FRONT OFF THE MID ATLANTIC COAST TONIGHT...THEN PASSES BY SOUTHERN NEW ENGLAND FRIDAY MORNING. THIS IS MORE OF A CLASSIC COLD SEASON SCENARIO THAN OF SUMMER. THUS EXPECTING PROLONGED PERIOD OF WIDESPREAD SHOWERS TONIGHT. SHOWERS DIMINISH...WITH CLEARING FROM WEST TO EAST FRIDAY AS THE LOW PRESSURE MOVES BY. INSTABILITY REMAINS LIMITED ACROSS SOUTHERN NEW ENGLAND...BUT NOT COMPLETELY MISSING. WILL CONTINUE TO MENTION AT LEAST A FEW THUNDERSTORMS TONIGHT INTO FRIDAY. THE MAIN THREAT REMAINS LOCALLY HEAVY RAINFALL LEADING TO POOR-DRAINAGE FLOODING. STORM TOTAL RAINFALL OF 1-2 INCHES...WITH LOCALLY HIGHER AMOUNTS REMAIN POSSIBLE BY FRIDAY AFTERNOON. SEASONABLE TEMPERATURES EXPECTED TONIGHT AND FRIDAY. && .LONG TERM /FRIDAY NIGHT THROUGH WEDNESDAY/... HIGHLIGHTS... * WEAK HIGH PRESSURE BRINGS DRY AND MILD CONDITIONS SATURDAY * WET WEATHER RETURNS ALONG WITH A FEW THUNDERSTORMS POSSIBLE SUNDAY INTO EARLY MONDAY * LOOKING FOR DRY AND WARM CONDITIONS INTO THE MIDDLE OF NEXT WEEK OVERVIEW... AFTER LOW PRES AND COLD FRONT MOVE OFFSHORE...RATHER ANOMALOUS PATTERN SETS UP FOR THIS WEEKEND. MODELS REMAIN IN GOOD AGREEMENT WITH DIGGING H5 TROUGH WITH LOW TRYING TO CLOSE OFF ON SOME RUNS. PROGRESSIVE PATTERN IS IN PLACE THOUGH...SO THIS LOW WILL MOVE NE OVER THE WEEKEND. ANOTHER PERIOD OF RAINFALL FOR SUNDAY INTO MONDAY AS THIS SYSTEM PROGRESSES. ONCE THIS SYSTEM MOVES OFF...MODELS AND ENSEMBLES CONTINUE TO SIGNAL HIGH AMPLITUDE RIDGING REDEVELOPING ACROSS THE NORTHEAST INTO EASTERN CANADA WITH SURFACE HIGH RE- ESTABLISHING AS TROUGH DIGS ALONG THE WEST COAST. WILL ALSO SEE A RETURN TO WARM TEMPS INTO THE MIDDLE OF NEXT WEEK...WITH HIGHS RUNNING 5 TO 10 DEGREES ABOVE SEASONAL NORMALS FOR MID SEPTEMBER. DETAILS... FRIDAY NIGHT-SATURDAY... AS LOW PRES PUSHES OFFSHORE FRI NIGHT...WILL SEE DRY CONDITIONS MOVE IN THOUGH CLOUDS MAY LINGER EARLY ACROSS EASTERN AREAS. MAY ALSO SEE SOME PATCHY FOG DEVELOP ESPECIALLY IN AREAS WHERE HEAVIER RAIN FELL DURING FRIDAY. BUBBLE HIGH PRES MOVES ACROSS LATE FRI NIGHT AND SAT...SO WILL REMAIN DRY. LIGHT N-NW WINDS WILL BE IN PLACE...THOUGH SEA BREEZES WILL LIKELY DEVELOP ALONG THE E COAST. EXPECT SATURDAYS HIGHS IN THE MID 70S TO AROUND 80. UNUSUALLY STRONG UPPER LEVEL LOW/TROUGH MOVING OUT OF THE OHIO VALLEY MAY START TO BRING SOME CLOUDS AND POSSIBLY SOME SCT SHOWERS INTO WESTERN AREAS SAT AFTERNOON...MAYBE EVEN AN ISOLD THUNDERSTORM MAINLY ACROSS THE E SLOPES OF THE BERKSHIRES THOUGH THE AIRMASS IS ONLY MARGINALLY UNSTABLE. SATURDAY NIGHT-SUNDAY NIGHT... CUTOFF H5 LOW MOVES E-NE THROUGH NY/PA DURING THIS TIMEFRAME... WITH COMPLEX SURFACE LOW AND FRONT MOVING INTO THE REGION. NOTING SOME DECENT PWATS MOVING INTO CENTRAL AND SOUTHERN AREAS...UP TO 1.5 TO 1.7 INCHES DURING SUNDAY. MAY SEE SOME LOCALLY HEAVIER RAINFALL ACROSS THE CT VALLEY INTO THE E SLOPES OF THE BERKSHIRES AS WINDS SHIFT TO E-SE BRINGING UPSLOPE LOW LEVEL MOISTURE IN. MOST OF THE ORGANIZED ENERGY AND INSTABILITY REMAINS CLOSER TO THE LOW W OF THE REGION...BUT COULD STILL SEE SOME ISOLD THUNDERSTORMS ANYTIME AS THE TRIPLE POINT SYSTEM STARTS TO MOVE ACROSS. LOOKS LIKE BEST SHOT FOR MAINLY ELEVATED CONVECTION WILL BE DURING SUNDAY INTO EARLY SUNDAY NIGHT. MONDAY... CUTOFF LOW OPENS TO A TROUGH AS IT CROSSES THE REGION. SURFACE SYSTEM WILL SHIFT OFFSHORE MON MORNING. WILL SEE SOME LINGERING SHOWERS ACROSS THE REGION WHICH LOOK TO LIFT N-NE DURING THE DAY. SHOULD SEE SOME BREAKS IN THE CLOUDS MOVING INTO SOUTHERN AREAS DURING THE AFTERNOON...WHILE SOME SPOTTY SHOWERS COULD LINGER THROUGH MOST OF THE DAY MAINLY ACROSS N MA. WITH THE UPPER LEVEL COLD POOL CROSSING THE REGION...EXPECT HIGHS IN THE LOWER-MID 70S...WHICH IS ACTUALLY CLOSE TO SEASONAL NORMALS. TUESDAY-WEDNESDAY... LARGE HIGH PRES WILL BUILD IN ACROSS AND S OF THE REGION DURING THIS TIMEFRAME AS UPPER LEVEL RIDGING RETURNS. WILL SEE TEMPS SOAR BACK TO ABOVE NORMAL LEVELS WITH HIGHS RUNNING IN THE MID 70S TO AROUND 80. MODELS AND ENSEMBLES CONTINUE TO SIGNAL SW WINDS TAKING OVER... WHICH ALSO MEANS A RETURN TO MORE HUMID CONDITIONS ESPECIALLY ON WEDNESDAY. && .AVIATION /14Z THURSDAY THROUGH MONDAY/... FORECASTER CONFIDENCE LEVELS... LOW...LESS THAN 30 PERCENT. MODERATE...30 TO 60 PERCENT. HIGH...GREATER THAN 60 PERCENT. SHORT TERM /THROUGH THURSDAY NIGHT/... THIS AFTERNOON...MODERATE CONFIDENCE OVERALL... IFR AND LIFR CIGS ALONG THE SOUTH COAST WILL LINGER THROUGH EARLY AFTERNOON. CONDITIONS SHOULD IMPROVE TO VFR WITH AREAS OF MVFR VFR WITH AREAS OF MVFR/IFR IN ANY SHOWERS/TSTMS/PATCHY FOG. LOCALLY HEAVY DOWNPOURS POSSIBLE. TONIGHT...MODERATE CONFIDENCE. CONDITIONS LOWERING TO IFR IN SHOWERS/TSTMS AND PATCHY FOG. LOCALLY +RA POSSIBLE. FRIDAY...MODERATE CONFIDENCE. MVFR-IFR MIX ALONG WITH -SHRA MOVES EAST...ALLOWING CONDITIONS TO IMPROVE THROUGH THE DAY. N-NE WINDS WITH THE POSSIBILITY OF 20 KT GUSTS ACROSS THE EAST COAST. KBOS TERMINAL...MODERATE CONFIDENCE IN TAF. KBDL TERMINAL...MODERATE CONFIDENCE IN TAF. OUTLOOK /FRIDAY NIGHT THROUGH MONDAY/... FRIDAY NIGHT...MODERATE TO HIGH CONFIDENCE. MAINLY VFR. MAY SEE PATCHY FOG DEVELOP AROUND OR AFTER MIDNIGHT WITH MVFR-IFR VSBYS ESPECIALLY ACROSS NORMALLY PRONE INLAND VALLEYS. EXPECT LIGHT NW OR CALM WINDS. SATURDAY...MODERATE CONFIDENCE. VFR DURING THE DAY. AREAS OF MVFR CIGS MAY MOVE INTO WESTERN AREAS SAT NIGHT WITH SCT SHOWERS. MAY SEE ISOLD THUNDER THROUGH MIDNIGHT. PATCHY FOG MAINLY AFTER MIDNIGHT WITH MVFR-IFR VSBYS. WINDS BECOME S- SE BY SAT NIGHT. SUNDAY...MODERATE CONFIDENCE. WILL SEE AREAS OF MVFR-IFR CIGS/VSBYS WITH ONSHORE WINDS. EXPECT SHOWERS WITH LOW CHANCE FOR ISOLD THUNDER INTO SUNDAY NIGHT. SHOWERS BEGIN TO TAPER OFF SUNDAY NIGHT ACROSS N CT/RI/SE MA...BUT WILL LINGER ACROSS CENTRAL AND N MA. MAY ALSO SEE PATCHY FOG WITH LOCAL MVFR-IFR VSBYS SUN NIGHT. MONDAY...MODERATE CONFIDENCE. MAINLY VFR CONDITIONS. MAY SEE LOCAL MVFR IN SPOTTY LEFTOVER SHOWERS ACROSS CENTRAL AND N MA. ANY SHOWERS SHOULD TAPER OFF BY LATE MON AFTERNOON/EVENING. W-SW WINDS MAY GUST UP TO 20 KT MON AFTERNOON ALONG S COAST. && .MARINE... FORECASTER CONFIDENCE LEVELS... LOW...LESS THAN 30 PERCENT. MODERATE...30 TO 60 PERCENT. HIGH...GREATER THAN 60 PERCENT. SHORT TERM /THROUGH THURSDAY NIGHT/...HIGH CONFIDENCE IN TRENDS. MODERATE CONFIDENCE IN SPECIFIC TIMING. THIS AFTERNOON AND TONIGHT...INCREASING COVERAGE IN SHOWERS AND THUNDERSTORMS. LOCALLY HEAVY DOWNPOURS POSSIBLE. AREAS OF POOR VISIBILITY IN FOG AROUND NANTUCKET FRIDAY...LOW PRESSURE LIFTING NE ACROSS THE WATERS. SHOWERS AND AREAS OF FOG START THE DAY. INCREASING NORTH WINDS WEST OF THIS LOW PRESSURE COULD GET AS STRONG AS 25 KT. THE N-NE FETCH SHOULD BE ENOUGH TO BUILD SEAS TO AROUND 5 FEET. A SMALL CRAFT ADVISORY MAY BE NEEDED ACROSS THE EASTERN MA COASTAL WATERS. OUTLOOK /FRIDAY NIGHT THROUGH MONDAY/... FRIDAY NIGHT...MODERATE CONFIDENCE. MAY SEE NW WIND GUSTS TO AROUND 20 KT FRI EVENING. SEAS WILL BE UP TO 5 FT ACROSS THE EASTERN OUTER WATERS...WHICH SHOULD START TO SUBSIDE AFTER MIDNIGHT. ELSEWHERE...WINDS AND SEAS BELOW SMALL CRAFT CRITERIA. SATURDAY...MODERATE CONFIDENCE. EXPECT LIGHT NW WINDS BECOMING S-SE DURING THE AFTERNOON BUT REMAIN BELOW 15 KT. SEAS ALSO CONTINUE TO SUBSIDE...4 FT OR LESS. MAY SEE SOME VSBY RESTRICTIONS IN PATCHY FOG AND A FEW SHOWERS. SUNDAY-MONDAY...MODERATE CONFIDENCE. LIGHT E-SE WINDS SUNDAY WILL SHIFT TO W-SW MONDAY. MAY SEE SOME GUSTS UP TO 20 KT MONDAY ON THE SOUTHERN WATERS...WITH SEAS BUILDING TO AROUND 5 FT. SOME VSBY RESTRICTIONS POSSIBLE SUN NIGHT-MONDAY IN PATCHY FOG AND SHOWERS BUT SHOULD IMPROVE FROM S-N DURING MONDAY. && .BOX WATCHES/WARNINGS/ADVISORIES... CT...NONE. MA...NONE. RI...NONE. MARINE...NONE. && SYNOPSIS...BELK/EVT NEAR TERM...WTB SHORT TERM...BELK LONG TERM...EVT AVIATION...BELK/EVT MARINE...BELK/EVT
Hazardous weather outlook, Sep 10, 4:55 AM EDT, 6 hours 40 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAUNTON MA 455 AM EDT THU SEP 10 2015 CTZ002>004-MAZ002>024-026-RIZ001>008-110900- HARTFORD CT-TOLLAND CT-WINDHAM CT-WESTERN FRANKLIN MA- EASTERN FRANKLIN MA-NORTHERN WORCESTER MA-CENTRAL MIDDLESEX MA- WESTERN ESSEX MA-EASTERN ESSEX MA-WESTERN HAMPSHIRE MA- WESTERN HAMPDEN MA-EASTERN HAMPSHIRE MA-EASTERN HAMPDEN 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 BRISTOL MA- SOUTHERN PLYMOUTH MA-BARNSTABLE MA-DUKES MA-NANTUCKET MA- NORTHERN MIDDLESEX MA-NORTHWEST PROVIDENCE RI- SOUTHEAST PROVIDENCE RI-WESTERN KENT RI-EASTERN KENT RI-BRISTOL RI- WASHINGTON RI-NEWPORT RI-BLOCK ISLAND RI- 455 AM EDT THU SEP 10 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHERN CONNECTICUT...ALL OF MASSACHUSETTS EXCEPT BERKSHIRE COUNTY...AND RHODE ISLAND. .DAY ONE...TODAY AND TONIGHT. THERE IS A LOW RISK FOR LOCALIZED URBAN AND POOR DRAINAGE FLOODING ACROSS PORTIONS OF THE REGION THIS AFTERNOON AND TONIGHT. SHOWERS AND ISOLATED THUNDERSTORMS WITH LOCALLY HEAVY RAINFALL WILL DEVELOP ACROSS WESTERN AREAS DURING THIS AFTERNOON...THEN PUSH EAST TONIGHT. THE HEAVIEST RAINFALL IS EXPECTED ACROSS NORTH CENTRAL AND WESTERN MASSACHUSETTS INTO NORTHERN CONNECTICUT. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY... THERE IS A LOW CHANCE FOR LOCALIZED URBAN AND POOR DRAINAGE FLOODING AS MORE SHOWERS AND ISOLATED THUNDERSTORMS MOVE ACROSS SUNDAY INTO MONDAY. THE HEAVIEST RAIN WILL FALL ACROSS THE CONNECTICUT VALLEY TO THE EAST SLOPES OF THE BERKSHIRES...MAINLY SUNDAY AFTERNOON INTO EARLY MONDAY MORNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. ANZ230>237-250-251-254>256-110900- 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- 455 AM EDT THU SEP 10 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MASSACHUSETTS 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. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT WWW.WEATHER.GOV/BOSTON YOU CAN FOLLOW US ON FACEBOOK AT WWW.FACEBOOK.COM/NWSBOSTON YOU CAN FOLLOW US ON TWITTER AT @NWSBOSTON
In the hours before
Special weather statement, Sep 10, 6:40 AM EDT, 4 hours 55 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
640 AM EDT THU SEP 10 2015
RIZ006-007-101130-
NEWPORT-WASHINGTON-
640 AM EDT THU SEP 10 2015
...STRONG THUNDERSTORMS IN SOUTHWESTERN NEWPORT AND CENTRAL
WASHINGTON COUNTIES COUNTIES WILL RESULT IN BRIEF NUISANCE POOR
DRAINAGE STREET FLOODING...
AT 639 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM OVER CHARLESTOWN...OR 8 MILES WEST OF SOUTH
KINGSTOWN...MOVING NORTHEAST AT 25 MPH.
HAIL UP TO THE SIZE OF PEAS AND WIND GUSTS UP TO 30 MPH CAN BE
EXPECTED WITH THIS STORM. THE MAIN CONCERN THOUGH IS BRIEF
TORRENTIAL RAINFALL THAT WILL RESULT IN TYPICAL NUISANCE POOR
DRAINAGE STREET FLOODING.
LOCATIONS IMPACTED INCLUDE...
SOUTH KINGSTOWN...NORTH KINGSTOWN...NEWPORT...WESTERLY...
NARRAGANSETT...HOPKINTON...CHARLESTOWN...RICHMOND...EXETER AND
JAMESTOWN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL WAS OCCURRING WITH THIS STORM. MINOR URBAN AND
POOR DRAINAGE FLOODING CAN BE EXPECTED. DO NOT DRIVE THROUGH FLOODED
ROADS.
&&
LAT...LON 4141 7184 4142 7180 4145 7179 4156 7143
4153 7140 4157 7137 4157 7136 4151 7137
4149 7137 4149 7133 4148 7137 4148 7134
4146 7131 4147 7143 4136 7149 4138 7153
4137 7153 4132 7184
TIME...MOT...LOC 1039Z 245DEG 28KT 4140 7171
FRANKSpecial weather statement, Sep 10, 7:24 AM EDT, 4 hours 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
724 AM EDT THU SEP 10 2015
MAZ020-RIZ006-007-101200-
SOUTHERN BRISTOL-NEWPORT-WASHINGTON-
724 AM EDT THU SEP 10 2015
...STRONG THUNDERSTORMS WITH TORRENTIAL RAINFALL AND BRIEF NUISANCE
STREET FLOODING WILL AFFECT SOUTHEASTERN BRISTOL...NEWPORT AND EAST
CENTRAL WASHINGTON COUNTIES COUNTIES...
AT 722 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORMS OVER NEWPORT...MOVING EAST AT 30 MPH.
WIND GUSTS UP TO 30 MPH CAN BE EXPECTED FROM THESE STORMS. THE MAIN
CONCERN IS DANGEROUS CLOUD TO GROUND LIGHTNING ALONG WITH BRIEF
TORRENTIAL RAINFALL RESULTING IN NUISANCE POOR DRAINAGE STREET
FLOODING.
LOCATIONS IMPACTED INCLUDE...
NEW BEDFORD...DARTMOUTH...SOUTH KINGSTOWN...NORTH KINGSTOWN...
NEWPORT...PORTSMOUTH...MIDDLETOWN...FAIRHAVEN...NARRAGANSETT...
TIVERTON...WESTPORT...ACUSHNET...JAMESTOWN AND LITTLE COMPTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL WAS OCCURRING WITH THIS STORM. MINOR URBAN AND
POOR DRAINAGE FLOODING CAN BE EXPECTED. DO NOT DRIVE THROUGH FLOODED
ROADS.
FREQUENT CLOUD TO GROUND LIGHTNING WAS OCCURRING WITH THIS STORM. FOR
YOUR SAFETY...GO INSIDE OR IN A VEHICLE. STAY AWAY FROM OPEN AREAS
SUCH AS BALL FIELDS...GOLF COURSES AND PARKS. WAIT AT LEAST 30
MINUTES AFTER THE STORM ENDS TO RESUME OUTDOOR ACTIVITIES.
&&
LAT...LON 4146 7160 4170 7091 4161 7086 4165 7092
4162 7092 4159 7085 4161 7093 4152 7096
4153 7096 4149 7104 4150 7113 4146 7117
4150 7124 4145 7131 4145 7135 4148 7135
4145 7140 4149 7138 4151 7142 4136 7149
TIME...MOT...LOC 1122Z 248DEG 27KT 4147 7127
FRANKSpecial weather statement, Sep 10, 7:49 AM EDT, 3 hours 46 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
749 AM EDT THU SEP 10 2015
MAZ018>021-RIZ007-101230-
SOUTHERN PLYMOUTH-EASTERN PLYMOUTH-SOUTHERN BRISTOL-WESTERN
PLYMOUTH-NEWPORT-
749 AM EDT THU SEP 10 2015
...THUNDERSTORMS WITH TORRENTIAL RAINFALL ACROSS SOUTHERN RHODE
ISLAND WILL BE MOVING ON THE SOUTH COAST OF MASSACHUSETTS SHORTLY...
AT 747 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
THUNDERSTORMS WITH TORRENTIAL RAINFALL OVER LITTLE COMPTON...OR 9
MILES WEST OF DARTMOUTH...MOVING NORTHEAST AT 30 MPH. THIS ACTIVITY
WILL MOVE EAST ONTO THE SOUTH COAST OF MASSACHUSETTS SHORTLY.
NUISANCE POOR DRAINAGE STREET FLOODING IS EXPECTED. THERE IS
PARTICULAR CONCERN FOR THE NEW BEDFORD AREA...WHICH IS TYPICALLY
SUSCEPTIBLE TO STREET FLOODING.
LOCATIONS IMPACTED INCLUDE...
NEW BEDFORD...FALL RIVER...PLYMOUTH...DARTMOUTH...MARION...
MIDDLEBOROUGH...WAREHAM...BOURNE...PORTSMOUTH...FAIRHAVEN...
TIVERTON...WESTPORT...CARVER...ACUSHNET...MATTAPOISETT...ROCHESTER
AND LITTLE COMPTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL WAS OCCURRING WITH THIS STORM. MINOR URBAN AND
POOR DRAINAGE FLOODING CAN BE EXPECTED. DO NOT DRIVE THROUGH FLOODED
ROADS.
FREQUENT CLOUD TO GROUND LIGHTNING WAS OCCURRING WITH THIS STORM. FOR
YOUR SAFETY...GO INSIDE OR IN A VEHICLE. STAY AWAY FROM OPEN AREAS
SUCH AS BALL FIELDS...GOLF COURSES AND PARKS. WAIT AT LEAST 30
MINUTES AFTER THE STORM ENDS TO RESUME OUTDOOR ACTIVITIES.
&&
LAT...LON 4158 7125 4192 7058 4189 7053 4180 7055
4170 7067 4174 7072 4168 7072 4172 7076
4164 7076 4164 7077 4165 7077 4163 7087
4158 7082 4160 7085 4162 7092 4152 7096
4153 7096 4147 7117
TIME...MOT...LOC 1147Z 237DEG 36KT 4154 7113
FRANKSpecial weather statement, Sep 10, 8:35 AM EDT, 3 hours before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
835 AM EDT THU SEP 10 2015
MAZ020>022-101315-
SOUTHERN PLYMOUTH-SOUTHERN BRISTOL-BARNSTABLE-
835 AM EDT THU SEP 10 2015
...THUNDERSTORMS WITH TORRENTIAL RAINFALL MOVING ACROSS THE
IMMEDIATE SOUTH COAST OF MASSACHUSETTS WILL MOVE ONTO THE UPPER
CAPE SHORTLY AND MAY RESULT IN BRIEF NUISANCE POOR DRAINAGE STREET
FLOODING...
AT 831 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM OVER DARTMOUTH...MOVING NORTHEAST AT 30 MPH.
THE MAIN CONCERN IS DANGEROUS CLOUD TO GROUND LIGHTNING ALONG WITH
BRIEF TORRENTIAL RAINFALL. THIS WILL RESULT IN SOME NUISANCE POOR
DRAINAGE STREET FLOODING
LOCATIONS IMPACTED INCLUDE...
NEW BEDFORD...PLYMOUTH...BARNSTABLE...DARTMOUTH...FALMOUTH...
MARION...WAREHAM...SANDWICH...BOURNE...FAIRHAVEN...WESTPORT...MASHPEE
AND MATTAPOISETT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL WAS OCCURRING WITH THIS STORM. MINOR URBAN AND
POOR DRAINAGE FLOODING CAN BE EXPECTED. DO NOT DRIVE THROUGH FLOODED
ROADS.
FREQUENT CLOUD TO GROUND LIGHTNING WAS OCCURRING WITH THIS STORM. FOR
YOUR SAFETY...GO INSIDE OR IN A VEHICLE. STAY AWAY FROM OPEN AREAS
SUCH AS BALL FIELDS...GOLF COURSES AND PARKS. WAIT AT LEAST 30
MINUTES AFTER THE STORM ENDS TO RESUME OUTDOOR ACTIVITIES.
&&
LAT...LON 4156 7065 4168 7066 4174 7062 4175 7063
4170 7067 4174 7071 4169 7073 4171 7077
4164 7077 4163 7087 4158 7082 4165 7092
4159 7090 4161 7091 4161 7092 4151 7098
4160 7106 4181 7054 4170 7028
TIME...MOT...LOC 1231Z 242DEG 42KT 4157 7092
FRANKSpecial weather statement, Sep 10, 9:04 AM EDT, 2 hours 31 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
904 AM EDT THU SEP 10 2015
MAZ022-101345-
BARNSTABLE-
904 AM EDT THU SEP 10 2015
...THUNDERSTORMS WITH BRIEF TORRENTIAL RAINFALL WILL BE MOVING ONTO
THE UPPER CAPE SHORTLY...
AT 901 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A CLUSTER OF THUNDERSTORMS IN BUZZARDS BAY. THIS ACTIVITY WILL MOVE
ONTO THE UPPER CAPE SHORTLY. MAIN CONCERN IS TORRENTIAL RAINFALL
AND DANGEROUS CLOUD TO GROUND LIGHTNING. BRIEF NUISANCE POOR
DRAINAGE STREET FLOODING POSSIBLE.
LOCATIONS IMPACTED INCLUDE...
BARNSTABLE...FALMOUTH...YARMOUTH...SANDWICH...BOURNE...MASHPEE AND
HYANNIS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL WAS OCCURRING WITH THIS STORM. MINOR URBAN AND
POOR DRAINAGE FLOODING CAN BE EXPECTED. DO NOT DRIVE THROUGH FLOODED
ROADS.
FREQUENT CLOUD TO GROUND LIGHTNING WAS OCCURRING WITH THIS STORM. FOR
YOUR SAFETY...GO INSIDE OR IN A VEHICLE. STAY AWAY FROM OPEN AREAS
SUCH AS BALL FIELDS...GOLF COURSES AND PARKS. WAIT AT LEAST 30
MINUTES AFTER THE STORM ENDS TO RESUME OUTDOOR ACTIVITIES.
&&
LAT...LON 4165 7026 4162 7033 4164 7035 4159 7046
4160 7046 4155 7049 4152 7069 4154 7065
4168 7062 4168 7066 4174 7063 4180 7053
4176 7047 4173 7031 4172 7030 4172 7035
4171 7029 4164 7023
TIME...MOT...LOC 1301Z 237DEG 20KT 4156 7071
FRANKSpecial weather statement, Sep 10, 9:53 AM EDT, 1 hour 42 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
953 AM EDT THU SEP 10 2015
MAZ022-101430-
BARNSTABLE-
953 AM EDT THU SEP 10 2015
...THUNDERSTORMS WITH TORRENTIAL RAINFALL WILL MOVE ACROSS CAPE COD
THROUGH 11 AM...
AT 951 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A THUNDERSTORMS OVER MASHPEE...OR NEAR BARNSTABLE...MOVING NORTHEAST
AT 25 MPH. THIS ACTIVITY WILL MOVE ACROSS MUCH OF CAPE COD BRINGING
TORRENTIAL RAINFALL AND DANGEROUS CLOUD TO GROUND LIGHTNING. BRIEF
POOR DRAINAGE STREET FLOODING CAN BE EXPECTED. FALMOUTH REPORTED
0.93 INCH OF RAIN IN JUST 16 MINUTES!
LOCATIONS IMPACTED INCLUDE...
BARNSTABLE...FALMOUTH...BREWSTER...YARMOUTH...SANDWICH...DENNIS...
MASHPEE...HARWICH...CHATHAM...ORLEANS...EASTHAM AND HYANNIS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FREQUENT CLOUD TO GROUND LIGHTNING WAS OCCURRING WITH THIS STORM. FOR
YOUR SAFETY...GO INSIDE OR IN A VEHICLE. STAY AWAY FROM OPEN AREAS
SUCH AS BALL FIELDS...GOLF COURSES AND PARKS. WAIT AT LEAST 30
MINUTES AFTER THE STORM ENDS TO RESUME OUTDOOR ACTIVITIES.
&&
LAT...LON 4168 6993 4168 6994 4154 7000 4154 7001
4166 6999 4164 7028 4161 7026 4164 7035
4155 7057 4178 7051 4171 7026 4179 7002
4189 6996 4188 6995 4171 6993 4176 6997
4173 6998 4169 6993
TIME...MOT...LOC 1351Z 243DEG 20KT 4162 7045
FRANKThe office that day
Everything else NWS Boston/Norton, MA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 9, 8:18 PM EDT | Special Weather Statement | BOX | Franklin | 42 min |
| Sep 9, 8:45 PM EDT | Special Weather Statement | BOX | Franklin | 45 min |
| Sep 10, 7:49 AM EDT | Special Weather Statement | BOX | Bristol | 41 min |
| Sep 10, 8:35 AM EDT | Special Weather Statement | BOX | Dukes | 40 min |
| Sep 10, 8:38 AM EDT | Special Marine Warning | BOX | 37 min | |
| Sep 10, 9:04 AM EDT | Special Weather Statement | BOX | Barnstable | 41 min |
| Sep 10, 9:53 AM EDT | Special Weather Statement | BOX | Barnstable | 37 min |
| Sep 10, 11:41 AM EDT | Special Marine Warning | BOX | 64 min | |
| Sep 10, 11:53 AM EDT | Special Weather Statement | BOX | Dukes | 82 min |
| Sep 10, 12:02 PM EDT | Special Weather Statement | BOX | Bristol | 88 min |
| Sep 10, 12:21 PM EDT | Areal Flood Warning | BOX | Plymouth | 114 min |
| Sep 10, 12:27 PM EDT | Special Marine Warning | BOX | 63 min | |
| Sep 10, 12:41 PM EDT | Areal Flood Warning | BOX | Bristol | 2 hr |
| Sep 10, 1:47 PM EDT | Special Weather Statement | BOX | Dukes | 88 min |
| Sep 10, 4:05 PM EDT | Small Craft Advisory | BOX | 40 hr | |
| Sep 10, 6:06 AM EDT | Special Weather Statement | BOX | Washington | 39 min |
| Sep 10, 6:40 AM EDT | Special Weather Statement | BOX | Washington | 50 min |
| Sep 10, 7:24 AM EDT | Special Weather Statement | BOX | Newport | 36 min |
| Sep 10, 3:41 PM EDT | Special Weather Statement | BOX | Washington | 94 min |
| Sep 10, 4:20 PM EDT | Special Weather Statement | BOX | Newport | 85 min |
Nearby
Flash Flood Watches in Massachusetts, 2015Flash Flood Watches in Rhode Island, 2015Flash Flood Watches in Connecticut, 2015Every flash flood watch in 2015
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.