Alert archive / New Hampshire / Flash Flood Warnings in 1995

Flash Flood Warning 5, NWS Boston/Norton, MA

July 29, 1995Hillsborough County, New Hampshire

NWS Boston/Norton, MA issued this flash flood warning at Jul 29, 1995, 12:14 AM EDT for Hillsborough County, New Hampshire. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jul 29, 1995, 12:14 AM EDT (04:14 UTC)
Expired
Jul 29, 1995, 3:15 AM EDT
In force
3 hr
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Hillsborough County, NH

The nearest sounding before it

Gray, ME (KGYX), launched 00:00Z, 4.2 hours before the alert went out and 160 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, Gray, ME at 00:00Z on 1995-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 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, Gray, ME at 00:00Z on 1995-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
11 J/kg
Mixed-layer CIN
-148 J/kg
Mixed-layer LCL
542 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
121 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBOS 290414
FFWBOS
NHC011-290715-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
1214 AM EDT SAT JUL 29 1995
 
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  315 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH NEW HAMPSHIRE
 
   ...NORTHERN HILLSBOROUGH COUNTY
 
AT 1215 AM EDT NATIONAL WEATHER SERVICE RADAR INDICATED MORE
SHOWERS AND THUNDERSTORMS MOVING ACROSS NORTHERN HILLSBOROUGH
COUNTY.  THIS AREA ALREADY HAS RECEIVED AN ESTIMATED 4 TO 5
INCHES OF RAINFALL BETWEEN 7 AND MIDNIGHT.  AN ADDITIONAL
1 TO 2 INCHES OF RAIN IS POSSIBLE THROUGH 3AM.
 
THE BEST CHANCE OF FLOODING IS ALONG THE CONTOOCOOK RIVER.
 
 
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.
 
LJC

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 9:22 PM EDTFlash Flood WarningBOXCheshire2 hr
Jul 28, 9:46 PM EDTSevere Thunderstorm WarningBOXHillsborough44 min
Jul 28, 11:40 PM EDTFlash Flood WarningBOXCheshire2 hr

Nearby

Flash Flood Warnings in New Hampshire, 1995Every flash flood warning in 1995

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.