Alert archive / Connecticut / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 87, NWS Boston/Norton, MA

September 16, 1998Northeastern Connecticut Planning Region, Connecticut

NWS Boston/Norton, MA issued this severe thunderstorm warning at Sep 16, 1998, 1:09 AM EDT for Northeastern Connecticut Planning Region, Connecticut. It was in force for 46 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
Sep 16, 1998, 1:09 AM EDT (05:09 UTC)
Expired
Sep 16, 1998, 1:55 AM EDT
In force
46 min
Issued by
NWS Boston/Norton, MA
Area
Whole counties

County Northeastern Connecticut Planning Region, CT

The nearest sounding before it

Chatham, MA (KCHH), launched 00:00Z, 5.2 hours before the alert went out and 167 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 00:00Z on 1998-09-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 197 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, Chatham, MA at 00:00Z on 1998-09-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 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
197 J/kg
Mixed-layer CIN
-297 J/kg
Mixed-layer LCL
918 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
119 m²/s²
0-3 km storm-relative helicity
144 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

573 
WUUS1 KBOS 160511 RRA
SVRBOS
CTC013-015-160555-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TAUNTON MA
109 AM EDT WED SEP 16 1998

THE NATIONAL WEATHER SERVICE IN TAUNTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  TOLLAND COUNTY IN NORTHEASTERN CONNECTICUT
  WINDHAM COUNTY IN NORTHEASTERN CONNECTICUT

* UNTIL 155 AM EDT

* AT 110 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM OVER NORTHERN TOLLAND COUNTY...MOVING EAST
SOUTHEAST AT 40 TO 50 MPH.

* TOWNS IN/NEAR THE PATH OF THIS STORM INCLUDE...
  WILLINGTON AT 115 AM EDT
  CHAPLIN AT AT 120 AM EDT


SEVERE THUNDERSTORMS CAN CREATE WINDS OVER 50 MPH WHICH CAN PROVE
DAMAGING TO PROPERTY.  MOVE INDOORS AND STAY AWAY FROM WINDOWS.

GIRODO

What forecasters said that day

The local office's own words before this severe thunderstorm 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, Sep 15, 8:05 PM EDT, 5 hours 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
805 PM EDT TUE SEP 15 1998

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

0657 PM    BOSTON                    MA   WIND DAMAGE
09/15/98   SUFFOLK                        63 MPH WIND GUST PER ASOS
Local storm report, Sep 15, 8:05 PM EDT, 5 hours 4 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAUNTON MASSACHUSETTS
805 PM EDT TUE SEP 15 1998

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

0657 PM    BOSTON                    MA   WIND DAMAGE
09/15/98   SUFFOLK                        63 MPH WIND GUST PER ASOS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 16, 12:41 AM EDTSevere Thunderstorm WarningBOXCapitol Planning Region29 min

Nearby

Severe Thunderstorm Warnings in Connecticut, 1998Every severe thunderstorm 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.