Alert archive / Massachusetts / Flash Flood Warnings in 1996

Flash Flood Warning 13, NWS Boston/Norton, MA

June 13, 1996Hampshire County, Massachusetts

NWS Boston/Norton, MA issued this flash flood warning at Jun 13, 1996, 6:30 PM EDT for 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, 6:30 PM EDT (22:30 UTC)
Expired
Jun 13, 1996, 9:30 PM EDT
In force
3 hr
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Hampshire County, MA

The nearest sounding before it

Albany, NY (KALB), launched 12:00Z, 10.5 hours before the alert went out and 103 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 132231
FFWBOS
MAC015-140130-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
630 PM EDT THU JUN 13 1996
 
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  930 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST MASSACHUSETTS
 
   ...WESTERN HAMPSHIRE COUNTY
 
THUNDERSTORMS CONTINUE TO AFFECT WESTERN HAMPSHIRE COUNTY WITH HEAVY
RAINFALL OF UP TO 2 INCHES AN HOUR. FLASH FLOODING COULD OCCUR ON SMALL
STREAMS THROUGH THIS EVENING.
 
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERSx.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
 
WGH/DRV

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 3:43 PM EDTFlash Flood WarningBOXFranklin, Hampshire3 hr
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, 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.