Alert archive / Connecticut / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 85, NWS New York, NY

September 7, 1998Southeastern Connecticut Planning Region, Connecticut

NWS New York, NY issued this severe thunderstorm warning at Sep 7, 1998, 4:16 PM EDT for Southeastern Connecticut Planning Region, Connecticut. It was in force for 44 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 7, 1998, 4:16 PM EDT (20:16 UTC)
Expired
Sep 7, 1998, 5:00 PM EDT
In force
44 min
Issued by
NWS New York, NY
Area
Whole counties

County Southeastern Connecticut Planning Region, CT

The radar

The Boston radar (KBOX), 94 km from the middle of the area, began a volume at 20:17 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 8.3 hours before the alert went out and 96 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 1998-09-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 242 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 1998-09-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
242 J/kg
Mixed-layer CIN
-232 J/kg
Mixed-layer LCL
1668 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
155 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.0

Open this sounding in Storm Lab

The text

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

308 
WUUS1 KNYC 072018 RRA
SVRNYC
ANZ330-CTC011-072105-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
416 PM EDT MON SEP 7 1998

THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN NEW LONDON COUNTY INCLUDING ADJACENT COASTAL WATERS
  IN SOUTHEASTERN CONNECTICUT

* UNTIL 500 PM EDT

* AT 414 PM EDT... NATIONAL WEATHER SERVICE DOPPLER RADAR IN UPTON
  NY INDICATED A SEVERE THUNDERSTORM OVER LONG ISLAND SOUND NEAR
  PLUM ISLAND. THE STORM IS MOVING EAST-NORTHEASTWARD AT 45 MPH.
  WINDS WILL GUST TO NEAR 60 MPH ALONG COASTAL NEW LONDON COUNTY.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...GROTON BY 430 PM.

THIS IS A DANGEROUS STORM STAY INDOORS AWAY FROM WINDOWS.

DJR/JST

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 7, 3:52 PM EDT, 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
352 PM EDT MON SEP 07 1998

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

0200 PM    WEST MILFORD              NJ   .75 INCH HAIL
09/07/98   PASSAIC

0217 PM    RICHMOND                  NY   80 MPH TSTM GUST
09/07/98   RICHMOND                       REPORTED AT GRAYKILL AND
                                          THE VERAZANO NARROWS
                                          BRIDGE

0220 PM    NEWARK                    NJ   WIND DAMAGE
09/07/98   ESSEX                          TREES DOWN...INJURIES

0222 PM    RAHWAY                    NJ   TORNADO
09/07/98   UNION                          POSSIBLE TORNADO...DIME
                                          SIZE HAIL

0225 PM    UNION CITY                NJ   1.75 INCH HAIL
09/07/98   HUDSON

0227 PM    ELIZABETH                 NJ   69 MPH TSTM GUST
09/07/98   UNION                          TREES AND WIRES
                                          DOWN...DIME SIZE HAIL

0230 PM    TETERBORO ARPT            NJ   58 MPH TSTM GUST
09/07/98   BERGEN

0236 PM    BROOKLYN                  NY   58 MPH TSTM GUST
09/07/98   KINGS

0245 PM    STAMFORD                  CT  F .75 INCH HAIL
09/07/98   FAIRFIELD
Local storm report, Sep 7, 3:52 PM EDT, 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
352 PM EDT MON SEP 07 1998

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

0200 PM    WEST MILFORD              NJ   .75 INCH HAIL
09/07/98   PASSAIC

0217 PM    RICHMOND                  NY   80 MPH TSTM GUST
09/07/98   RICHMOND                       REPORTED AT GRAYKILL AND
                                          THE VERAZANO NARROWS
                                          BRIDGE

0220 PM    NEWARK                    NJ   WIND DAMAGE
09/07/98   ESSEX                          TREES DOWN...INJURIES

0222 PM    RAHWAY                    NJ   TORNADO
09/07/98   UNION                          POSSIBLE TORNADO...DIME
                                          SIZE HAIL

0225 PM    UNION CITY                NJ   1.75 INCH HAIL
09/07/98   HUDSON

0227 PM    ELIZABETH                 NJ   69 MPH TSTM GUST
09/07/98   UNION                          TREES AND WIRES
                                          DOWN...DIME SIZE HAIL

0230 PM    TETERBORO ARPT            NJ   58 MPH TSTM GUST
09/07/98   BERGEN

0236 PM    BROOKLYN                  NY   58 MPH TSTM GUST
09/07/98   KINGS

0245 PM    STAMFORD                  CT  F .75 INCH HAIL
09/07/98   FAIRFIELD

The office that day

Everything else NWS New York, NY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 7, 2:35 PM EDTSevere Thunderstorm WarningOKXGreater Bridgeport Planning Region65 min
Sep 7, 2:45 PM EDTTornado WarningOKXGreater Bridgeport Planning Region35 min
Sep 7, 2:59 PM EDTSevere Thunderstorm WarningOKXNaugatuck Valley Planning Region66 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; radar from the NEXRAD Level II archive.