Alert archive / Massachusetts / Flash Flood Warnings in 1998

Flash Flood Warning 22, NWS Boston/Norton, MA

June 13, 1998Middlesex County, Norfolk County, Worcester County, Massachusetts; Northeastern Connecticut Planning Region, Connecticut; Providence County, Rhode Island

NWS Boston/Norton, MA issued this flash flood warning at Jun 13, 1998, 3:08 PM EDT for Middlesex County, Norfolk County, Worcester County, Massachusetts; Northeastern Connecticut Planning Region, Connecticut; Providence County, Rhode Island. It was in force for 10 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, 1998, 3:08 PM EDT (19:08 UTC)
Expired
Jun 14, 1998, 1:05 AM EDT
In force
10 hr
Issued by
NWS Boston/Norton, MA
Area
Whole counties

Counties Northeastern Connecticut Planning Region, CT, Middlesex County, MA, Norfolk County, MA, Worcester County, MA, Providence County, RI

The nearest sounding before it

Chatham, MA (KCHH), launched 12:00Z, 7.1 hours before the alert went out and 145 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 1998-06-13Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Chatham, MA at 12:00Z on 1998-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
669 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
78 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 131907
FFWBOS
CTC015-MAC005-017-021-025-027-RIC007-140505-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
308 PM EDT SAT JUN 13 1998

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHEASTERN WORCESTER COUNTY IN CENTRAL MASSACHUSETTS
  MIDDLESEX COUNTY IN NORTHEASTERN MASSACHUSETTS
  SUFFOLK COUNTY IN EASTERN MASSACHUSETTS
  NORFOLK COUNTY IN EASTERN MASSACHUSETTS
  NORTHWESTERN BRISTOL MA COUNTY IN SOUTHEASTERN MASSACHUSETTS
  PROVIDENCE COUNTY IN NORTHERN RHODE ISLAND
  EASTERN WINDHAM COUNTY IN NORTHEASTERN CONNECTICUT

* UNTIL 105 AM EDT SUNDAY

* PERIODS OF VERY HEAVY RAIN WILL CONTINUE INTO THIS EVENING WITH
  AMOUNTS BY MIDNIGHT POSSIBLY UP TO 8 INCHES IN A FEW LOCATIONS.

  THIS IS A DANGEROUS SITUATION...ESPECIALLY FROM MANSFIELD TO
  WALPOLE AND NORWOOD ALONG THE INTERSTATE 95 CORRIDOR AS WELL AS
  THE LITTLEON AREA OF NORTHWEST MIDDLESEX COUNTY AND THE HILLY
  TERRAIN OF NORTHERN RHODE ISLAND AND FAR EASTERN WINDHAM COUNTY
  CONNECTICUT.

  SPRING DIAMOND AND MINE BROOK IN WALPOLE ARE ALREADY IN FLOOD.
  AT LEAST FIVE INCHES OF RAIN HAS BEEN RECORDED IN MANSFIELD AND
  WALPOLE MASSACHUSETTS.

* DANGEROUS FLOODING WILL OCCUR IN A FEW LOCATIONS...ESPECIALLY IN
  POOR DRAINAGE AREAS AND ALONG THE SMALL STREAMS IN THE AREA.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO RIVERS AND STREAM.
EVEN THE SMALLEST STREAMS CAN BECOME KILLERS IN TORRENTIAL RAINS.

DRAG

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 13, 3:08 PM EDTFlash Flood WarningBOXSuffolk10 hr
Jun 13, 3:08 PM EDTFlash Flood WarningBOXBristol10 hr
Jun 13, 4:31 PM EDTFlash Flood WarningBOXEssex9 hr
Jun 13, 4:31 PM EDTFlash Flood WarningBOXKent9 hr

Nearby

Flash Flood Warnings in Massachusetts, 1998Flash Flood Warnings in Connecticut, 1998Flash Flood Warnings in Rhode Island, 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.