Alert archive / Connecticut / Flash Flood Warnings in 1998

Flash Flood Warning 19, NWS Boston/Norton, MA

March 9, 1998Northeastern Connecticut Planning Region, Connecticut

NWS Boston/Norton, MA issued this flash flood warning at Mar 9, 1998, 6:08 PM EST for Northeastern Connecticut Planning Region, Connecticut. It was in force for 5 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
Mar 9, 1998, 6:08 PM EST (23:08 UTC)
Expired
Mar 9, 1998, 11:15 PM EST
In force
5 hr
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Northeastern Connecticut Planning Region, CT

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 11.1 hours before the alert went out and 130 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, Brookhaven, NY at 12:00Z on 1998-03-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 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, Brookhaven, NY at 12:00Z on 1998-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 332 square meters per square second.19395878Sfc1 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
4 J/kg
Mixed-layer CIN
-208 J/kg
Mixed-layer LCL
489 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
332 m²/s²
0-3 km storm-relative helicity
334 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBOS 092308
FFWBOS
CTC003-013-015-MAC027-013-100415-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
608 PM EST MON MAR 9 1998
 
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL 1115 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL CONNECTICUT
 
   ...HARTFORD COUNTY...TOLLAND COUNTY
 
IN NORTHEAST CONNECTICUT
 
   ...WINDHAM COUNTY
 
IN CENTRAL MASSACHUSETTS
 
   ...WORCESTER COUNTY
 
IN WEST MASSACHUSETTS
 
   ...HAMPDEN COUNTY
 
MORE HEAVY RAINFALL...LIKELY IN EXCESS OF ANOTHER INCH...WILL FALL
ACROSS MUCH OF NORTHERN CONNECTICUT AS WELL AS EASTERN HAMPDEN AND
WORCESTER COUNTIES TONIGHT. SMALL STREAM FLOODING WAS ONGOING IN SOME
COMMUNITIES AND WILL DEVELOP IN OTHERS AS THIS NEXT AREA OF TORRENTIAL
RAINFALL MOVES THROUGH.
 
IN ADDITION...CONSIDERABLE URBAN AND POOR DRAINAGE FLOODING WILL OCCUR
WITH SOME ROADWAYS BECOMING IMPASSABLE AS STREET FLOODING OCCURS.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. MOVE UP
TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.
 
VALLEE

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 9, 8:28 AM ESTFlash Flood WarningBOXCapitol Planning Region, Northeastern Connecticut Planning Region6 hr
Mar 9, 2:24 PM ESTFlash Flood WarningBOXCapitol Planning Region, Northeastern Connecticut Planning Region4 hr
Mar 9, 6:08 PM ESTFlash Flood WarningBOXCapitol Planning Region5 hr

Nearby

Flash Flood Warnings in Connecticut, 1998Every flash flood warning in 1998

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.