Alert archive / Massachusetts / Flash Flood Warnings in 2005

Flash Flood Warning 13, NWS Boston/Norton, MA

October 17, 2005Bristol County, Massachusetts

NWS Boston/Norton, MA issued this flash flood warning at Oct 17, 2005, 5:39 PM EDT for Bristol County, Massachusetts. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Oct 17, 2005, 5:39 PM EDT (21:39 UTC)
Expired
Oct 17, 2005, 11:45 PM EDT
In force
6 hr
Issued by
NWS Boston/Norton, MA
Area
Counties, with a storm outline in the text

County Bristol County, MA

The radar

The Boston radar (KBOX), 5 km from the middle of the area, began a volume at 21:45 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.

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 9.7 hours before the alert went out and 101 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 2005-10-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2005-10-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 161 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1064 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
161 m²/s²
0-3 km storm-relative helicity
177 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 172151
FFWBOX
MAC005-180345-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
539 PM EDT MON OCT 17 2005

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* FLASH FLOOD WARNING FOR A DAM FAILURE IN...
  BRISTOL COUNTY IN SOUTHEAST MASSACHUSETTS  THIS INCLUDES THE       
  CITY OF TAUNTON

* UNTIL 1145 PM EDT

* AT 539 PM EDT...LOCAL OFFICIALS CONTINUE TO TELL US THAT THE       
  WHITTENTON POND DAM ON THE MILL RIVER MAY FAIL AT ANYTIME. THE     
  MAYOR OF TAUNTON HAS ISSUED A STATE OF EMERGENCY AND               
  EVACUATIONS ARE ORDERED FOR PARTS OF TAUNTON DOWNSTREAM OF THE     
  DAM. THE DAM IS 12 FEET HIGH IF IT FAILS AN APPROXIMATELY 8 FOOT   
  FLOOD WAVE WOULD OCCUR WITH A 4 TO 6 FOOT FLOOD WAVE INTO PARTS OF 
  TAUNTON THAT ARE DOWNSTREAM.     

* AFFECTED LOCATIONS INCLUDE TAUNTON

THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. IF 
YOU ARE IN AN AREA WHERE AN EVACUATION HAS BEEN ORDERED, LEAVE 
IMMEDIATELY

LAT...LON 4202 7109 4178 7098 4178 7121 4194 7135

$$

FRANK
1 follow-up statement
000 
WGUS71 KBOX 172352
FFSBOX
MAC005-180345-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TAUNTON MA
749 PM EDT MON OCT 17 2005

THE NATIONAL WEATHER SERVICE IN TAUNTON CONTINUES THE
FLASH FLOOD WARNING FOR A POTENTIAL DAM FAILURE IN...
BRISTOL COUNTY IN SOUTHEAST MASSACHUSETTS THIS INCLUDES THE         
CITY OF TAUNTON UNTIL 1145 PM EDT

AT 745 PM EDT...LOCAL OFFICIALS HAVE REPORTED THAT WATER LEVELS HAVE 
RECEDED BY 1 INCH ON THE WHITTENTON DAM ON THE MILL RIVER...OVER THE 
PAST FEW HOURS. HOWEVER...THEY CONTINUE TO TELL US THAT THE DAM 
STILL MAY FAIL AT ANYTIME OVER THE NEXT 24 HOURS. THE MAYOR OF 
TAUNTON HAS ISSUED A STATE OF EMERGENCY AND EVACUATIONS ARE ORDERED 
FOR PARTS OF TAUNTON DOWNSTREAM OF THE DAM. THE DAM IS 12 FEET HIGH 
IF IT WERE TO FAIL AN APPROXIMATELY 8 FOOT FLOOD WAVE WOULD OCCUR 
WITH A 4 TO 6 FOOT FLOOD WAVE INTO PARTS OF TAUNTON THAT ARE 
DOWNSTREAM.      

THIS IS AN EXTREMELY DANGEROUS AND LIFE THREATENING SITUATION. IF 
YOU ARE IN AN AREA WHERE AN EVACUATION HAS BEEN ORDERED, LEAVE 
IMMEDIATELY

$$

FRANK

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 17, 4:11 PM EDTFlash Flood WarningBOXBristol6 hr

Nearby

Flash Flood Warnings in Massachusetts, 2005Every flash flood warning in 2005

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.