Alert archive / Massachusetts / Flash Flood Warnings in 1996

Flash Flood Warning 11, NWS Boston/Norton, MA

June 13, 1996Franklin County, Hampshire County, Massachusetts

NWS Boston/Norton, MA issued this flash flood warning at Jun 13, 1996, 3:43 PM EDT for Franklin County, Hampshire 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
Jun 13, 1996, 3:43 PM EDT (19:43 UTC)
Expired
Jun 13, 1996, 6:45 PM EDT
In force
3 hr
Issued by
NWS Boston/Norton, MA
Area
Whole counties

Counties Franklin County, MA, Hampshire County, MA

The radar

The Albany radar (KENX), 119 km from the middle of the area, began a volume at 19:45 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

Albany, NY (KALB), launched 12:00Z, 7.7 hours before the alert went out and 102 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, Albany, NY at 12:00Z on 1996-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 767 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 1996-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 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
767 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
522 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
44 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBOS 131944
FFWBOS
MAC011-015-132245-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
343 PM EDT THU JUN 13 1996
 
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  645 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST MASSACHUSETTS
 
   ...WESTERN FRANKLIN COUNTY...WESTERN HAMPSHIRE COUNTY
 
...AT 340 PM...WEATHER SERVICE DOPPLER RADAR CONTINUED TO SHOW A
PERSISTANT LINE OF SHOWERS AND THUNDERSTORMS WITH TORRENTIAL RAINFALL
FROM THE NORTHWEST PART OF HAMPSHIRE COUNTY NEAR WORTHINGTON AND
CUMMINGTON INTO WESTERN FRANKLIN COUNTY FROM ASHFIELD THROUGH COLRAIN
AND LEYDEN.  RADAR HAS ESTIMATED RAINFALL AT OVER 2 INCHES AN HOUR IN
PARTS OF THIS AREA.
 
MORE SHOWERS AND THUNDERSTORMS DEVELOPING IN BERKSHIRE COUNTY WILL
LIKELY MOVE NORTHEAST OVER THIS AREA AS THE AFTERNOON PROGRESSES AND
MAY RESULT IN FLASH FLOODING OF SMALL STREAMS AND POSSIBLE ROAD WASHOUTS
IN POOR DRAINAGE AREAS.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT.  IT'S
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS.  CAMPERS SHOULD
AVOID CAMPING ALONG STREAMS OR CREEKS DURING THREATENING RAINS.
 
MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A
SMALL ONE...ON FOOT.
 
DRV/WH

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 4:26 PM EDTSevere Thunderstorm WarningBOXFranklin64 min
Jun 13, 5:25 PM EDTSevere Thunderstorm WarningBOXFranklin65 min
Jun 13, 5:31 PM EDTFlash Flood WarningBOXFranklin4 hr
Jun 13, 6:21 PM EDTSevere Thunderstorm WarningBOXHampshire54 min
Jun 13, 6:30 PM EDTFlash Flood WarningBOXHampshire3 hr
Jun 13, 7:19 PM EDTSevere Thunderstorm WarningBOXHampshire41 min
Jun 13, 7:28 PM EDTSevere Thunderstorm WarningBOXHampden, Worcester47 min

Nearby

Flash Flood Warnings in Massachusetts, 1996Every flash flood warning in 1996

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.