Alert archive / Massachusetts / Flash Flood Warnings in 2003

Flash Flood Warning 14, NWS Boston/Norton, MA

August 13, 2003Bristol County, Massachusetts

NWS Boston/Norton, MA issued this flash flood warning at Aug 13, 2003, 7:28 PM EDT for Bristol County, Massachusetts. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 13, 2003, 7:28 PM EDT (23:28 UTC)
Expired
Aug 13, 2003, 10:30 PM EDT
In force
3 hr
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Bristol County, MA

The radar

The Boston radar (KBOX), 22 km from the middle of the area, began a volume at 23:32 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, 11.5 hours before the alert went out and 93 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 2003-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1026 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Chatham, MA at 12:00Z on 2003-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.193958Sfc1 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
1026 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
560 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
20 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 
WGUS51 KBOX 132329
FFWBOX
MAC005-140230-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
728 PM EDT WED AUG 13 2003

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN BRISTOL COUNTY IN SOUTHEAST MASSACHUSETTS   
  INCLUDING FALL RIVER

* UNTIL 1030 PM EDT.

* AT 722 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  THUNDERSTORMS WITH TORRENTIAL RAINFALL NEAR SEEKONK AND            
  SOMERSET. OR JUST NORTHWEST OF FALL RIVER.  THE CLUSTER OF         
  THUNDERSTORMS PRODUCING THE TORRENTIAL RAINFALL WAS MOVING         
  SLOWLY TO THE SOUTHEAST.

FLASH FLOODING OF POOR DRAINAGE AREAS IS LIKELY DUE TO THE TORRENTIAL
RAINFALL. CULVERTS ALONG ROADSIDES MAY BE WASHED OUT. STANDING WATER
ON ROADWAYS AND ESPECIALLY UNDERPASSES MAY RISE TO SEVERAL FEET IN 
DEPTH SUBMERGING VEHICLES.  INTERSTATE 195 AND ROUTE 6 ARE MAJOR 
ROADWAYS THAT MAY BE IMPACTED. 

$$

LAT...LON 4179 7111 4173 7118 4151 7100 4167 7088

THOMPSON
1 follow-up statement
000 
WGUS71 KBOX 140104
FFSBOX
MAC005-140300-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
903 PM EDT WED AUG 13 2003

...A FLASH FLOOD WARNING REMAINS IN EFFECT FOR BRISTOL COUNTY...

ALTHOUGH THE HEAVIEST RAIN IS OVER...THE FLASH FLOOD WARNING REMAINS 
IN EFFECT FOR BRISTOL COUNTY DUE TO ROADS THAT ARE STILL FLOODED.  
REPORTS THUS FAR INDICATE THAT THE HARDEST HIT AREAS INCLUDE 
PORTIONS OF SOMERSET AND FALL RIVER.  A PORTION OF ROUTE 138...IN 
SOMERSET AT BUFFINGTON STREET...WAS REPORTED AS IMPASSABLE DUE TO 
FLOODING.  MAJOR STREET FLOODING WAS ALSO REPORTED ON AIRPORT ROAD 
IN FALL RIVER.  CONDITIONS WILL GRADUALLY IMPROVE AS THE WATER HAS A 
CHANCE TO DRAIN. 

MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER ATTEMPT TO CROSS
BRIDGES OR ROADS WHERE WATER COVERS THE ROADWAY. IT ONLY TAKES A FOOT
OR TWO OF WATER TO WASH MOST CARS AWAY.

$$

THOMPSON

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 8:23 PM EDTFlash Flood WarningBOXWorcester3 hr
Aug 13, 3:00 PM EDTSevere Thunderstorm WarningBOXMiddlesex45 min
Aug 13, 3:27 PM EDTSpecial Marine WarningBOX93 min
Aug 13, 3:27 PM EDTSpecial Marine WarningBOX93 min
Aug 13, 3:29 PM EDTSpecial Marine WarningBOX22 hr
Aug 13, 3:29 PM EDTSpecial Marine WarningBOX22 hr
Aug 13, 4:50 PM EDTSpecial Marine WarningBOX70 min
Aug 13, 4:50 PM EDTSpecial Marine WarningBOX70 min
Aug 13, 4:51 PM EDTSpecial Marine WarningBOX21 hr
Aug 13, 4:51 PM EDTSpecial Marine WarningBOX21 hr
Aug 13, 5:20 PM EDTSevere Thunderstorm WarningBOXPlymouth40 min
Aug 13, 5:51 PM EDTFlash Flood WarningBOXPlymouth3 hr
Aug 13, 7:17 PM EDTSevere Thunderstorm WarningBOXBristol28 min
Aug 13, 7:40 PM EDTSpecial Marine WarningBOX21 hr
Aug 13, 7:40 PM EDTSpecial Marine WarningBOX65 min

Nearby

Flash Flood Warnings in Massachusetts, 2003Every flash flood warning in 2003

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.