Alert archive / Massachusetts / Flash Flood Warnings in 1998

Flash Flood Warning 51, NWS Boston/Norton, MA

June 19, 1998Worcester County, Massachusetts

NWS Boston/Norton, MA issued this flash flood warning at Jun 19, 1998, 4:32 PM EDT for Worcester County, Massachusetts. It was in force for 118 min. 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 19, 1998, 4:32 PM EDT (20:32 UTC)
Expired
Jun 19, 1998, 6:30 PM EDT
In force
118 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Worcester County, MA

The nearest sounding before it

Albany, NY (KALY), launched 12:00Z, 8.5 hours before the alert went out and 162 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 1998-06-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 138 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 1998-06-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.1939Sfc1 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
138 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
695 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
2 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 192032
FFWBOS
MAC027-192230-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
432 PM EDT FRI JUN 19 1998

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN WORCESTER COUNTY IN CENTRAL MASSACHUSETTS

* UNTIL 630 PM EDT

* AT 425 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A THUNDERSTORM WITH VERY HEAVY RAIN OVER SUTTON...OXFORD AND
  DOUGLAS...MOVING SLOWLY SOUTHEAST.

* THE TOWNS OF SUTTON...OXFORD AND DOUGLAS CAN EXPECT 2 TO 4 INCHES
  OF RAINFALL FROM THESE THUNDERSTORMS
*

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR
OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER
GROUNFD IMMEDIATELY.

WGH/JL

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, Jun 19, 3:06 PM EDT, 1 hour 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
306 PM EDT FRI JUN 19 1998

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

0240 PM    TAUNTON                   MA   .75 INCH HAIL
06/19/98   BRISTOL                        DIME SIZE HAIL ON RTE. 140
                                          PER SPOTTER.

0254 PM    NORTH KINGSTOWN           RI   .88 INCH HAIL
06/19/98   WASHINGTON                     DIME TO NICKEL SIZE HAIL
                                          REPORTED PER POLICE DEPT.
Local storm report, Jun 19, 3:51 PM EDT, 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
351 PM EDT FRI JUN 19 1998

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

0233 PM    FOXBOROUGH                MA   .88 INCH HAIL
06/19/98   NORFOLK                        NICKEL SIZE HAIL REPORTED
                                          BY FOXBORO FIRE CHIEF.

0240 PM    TAUNTON                   MA   .75 INCH HAIL
06/19/98   BRISTOL                        DIME SIZE HAIL ON RTE. 140
                                          PER SPOTTER.

0254 PM    NORTH KINGSTOWN           RI   .88 INCH HAIL
06/19/98   WASHINGTON                     DIME TO NICKEL SIZE HAIL
                                          REPORTED PER POLICE DEPT.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 19, 2:44 PM EDTSevere Thunderstorm WarningBOXBristol46 min

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.