Alert archive / Massachusetts / Flash Flood Warnings in 1998

Flash Flood Warning 14, NWS Boston/Norton, MA

March 9, 1998Middlesex County, Massachusetts

NWS Boston/Norton, MA issued this flash flood warning at Mar 9, 1998, 4:40 PM EST for Middlesex 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 counties it named.

The facts

Issued
Mar 9, 1998, 4:40 PM EST (21:40 UTC)
Expired
Mar 9, 1998, 11:00 PM EST
In force
6 hr
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Middlesex County, MA

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 9.7 hours before the alert went out and 148 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 1998-03-09Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Chatham, MA at 12:00Z on 1998-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
481 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
81 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 
TTAA00 KBOS 092140
FFWBOS
MAC017-100400-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
440 PM EST MON MAR 9 1998
 
THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL 1100 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN EAST CENTRAL MASSACHUSETTS
 
   ...MIDDLESEX COUNTY
 
HEAVY RAIN OF AROUND 2 INCHES OVER MUCH OF MIDDLESEX COUNTY HAS CAUSED
SMALL STREAMS TO RISE TO NEAR BANKFULL. AT 425 PM BEAVER BROOK IN
LITTLETON IN NORTHWEST MIDDLESEX COUNTY WAS ALREADY REPORTED TO BE
RISING OUT OF ITS BANKS. RADAR INDICATES THAT MORE MODERATE TO HEAVY
RAIN WILL FALL OVER THE AREA INTO THIS EVENING TO CAUSE ADDITIONAL
SMALL STREAM FLOODING.
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.
 
THOMPSON
 
&

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Mar 9, 12:43 PM EST, 3 hours 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
1243 PM EST MON MAR 09 1998

TIME(EST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0830 AM    ELLINGTON                 CT   FLOODING
03/09/98   TOLLAND                        BROAD BROOK REPORTED OVER
                                          ITS BANKS.

1000 AM    SOMERS                    CT   FLOODING
03/09/98   TOLLAND                        THE SCANTIC RIVER HAD
                                          RISEN OUT OF BANKS.

1100 AM    MANSFIELD CENTER          CT   FLOODING
03/09/98   TOLLAND                        SMALL STREAMS IN MANSFIELD
                                          CENTER WERE OUT OF BANKS
                                          FLOODING SOME HOMES.

1100 AM    SOUTHINGTON               CT   FLOODING
03/09/98   HARTFORD                       MINOR FLOODING REPORTED
                                          ALONG THE QUINNIPIAC
                                          RIVER.

1212 PM    MONSON                    MA   FLOODING
03/09/98   HAMPDEN                        THE 12 MILE RIVER WAS
                                          RISING OUT OF BANK
                                          FLOODING A ROADWAY.
Local storm report, Mar 9, 12:43 PM EST, 3 hours 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
1243 PM EST MON MAR 09 1998

TIME(EST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0830 AM    ELLINGTON                 CT   FLOODING
03/09/98   TOLLAND                        BROAD BROOK REPORTED OVER
                                          ITS BANKS.

1000 AM    SOMERS                    CT   FLOODING
03/09/98   TOLLAND                        THE SCANTIC RIVER HAD
                                          RISEN OUT OF BANKS.

1100 AM    MANSFIELD CENTER          CT   FLOODING
03/09/98   TOLLAND                        SMALL STREAMS IN MANSFIELD
                                          CENTER WERE OUT OF BANKS
                                          FLOODING SOME HOMES.

1100 AM    SOUTHINGTON               CT   FLOODING
03/09/98   HARTFORD                       MINOR FLOODING REPORTED
                                          ALONG THE QUINNIPIAC
                                          RIVER.

1212 PM    MONSON                    MA   FLOODING
03/09/98   HAMPDEN                        THE 12 MILE RIVER WAS
                                          RISING OUT OF BANK
                                          FLOODING A ROADWAY.
Local storm report, Mar 9, 2:14 PM EST, 2 hours 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
214 PM EST MON MAR 09 1998

TIME(EST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1200 PM    WOODSTOCK VLY             CT   FLOODING
03/09/98   WINDHAM                        DOT REPORTS A PORTION OF
                                          RT 171 CLOSED DUE TO
                                          FLOODING OF BUNGEE BROOK.

1252 PM    SOUTHBRIDGE               MA   FLOODING
03/09/98   WORCESTER                      FLOODING REPORTED ALONG
                                          ROADSIDE WITH SIGNIFICANT
                                          AMOUNT OF DEBRIS ON ROAD.

0120 PM    WEST HARTFORD             CT   FLOODING
03/09/98   HARTFORD                       SMALL STREAM FLOODING
                                          REPORTED.

0125 PM    NEWINGTON                 CT   FLOODING
03/09/98   HARTFORD                       SEVERAL SMALL
                                          STREAMS/CREEKS WERE OUT OF
                                          THEIR BANKS.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 9, 12:13 PM ESTFlash Flood WarningBOXHampden6 hr
Mar 9, 12:36 PM ESTFlash Flood WarningBOXWorcester6 hr
Mar 9, 6:08 PM ESTFlash Flood WarningBOXHampden, Worcester5 hr

Nearby

Flash Flood Warnings in Massachusetts, 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.