Alert archive / Connecticut / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 46, NWS New York, NY

July 7, 1997Naugatuck Valley Planning Region, Connecticut

NWS New York, NY issued this severe thunderstorm warning at Jul 7, 1997, 2:39 PM EDT for Naugatuck Valley Planning Region, Connecticut. It was in force for 66 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
Jul 7, 1997, 2:39 PM EDT (18:39 UTC)
Expired
Jul 7, 1997, 3:45 PM EDT
In force
66 min
Issued by
NWS New York, NY
Area
Whole counties

County Naugatuck Valley Planning Region, CT

The radar

The Brookhaven radar (KOKX), 75 km from the middle of the area, began a volume at 18:41 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, 6.7 hours before the alert went out and 75 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 1997-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 281 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 1997-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 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
281 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
959 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
51 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KNYC 071841 RRA
SVRNYC
CTC009-071945-
 
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
239 PM EDT MON JUL 7 1997
 
THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  345 PM EDT
FOR THE PEOPLE IN THE FOLLOWING LOCATION...
 
IN SOUTH CENTRAL CONNECTICUT
 
   ...NEW HAVEN COUNTY
 
AND THE ADJACENT COASTAL WATERS
 
NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES A POSSIBLE SEVERE
THUNDERSTORM IN THE VICINITY OF STRATFORD MOVING TO NEW MILFORD
AND NEW HAVEN. THIS STORM WILL PRODUCE STRONG WINDS...HAIL...
FREQUENT LIGHTNING...AND TORRENTIAL RAIN.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 58
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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, Jul 7, 12:47 PM EDT, 1 hour 52 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
1248 PM EDT MON JUL 07 1997

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

1210 PM    UNIONVILLE                NY   WIND DAMAGE
07/07/97   ORANGE                         TREES AND WIRES DOWN

1220 PM    GOSHEN                    NY   .5 INCH HAIL
07/07/97   ORANGE

1225 PM    GOSHEN                    NY   WIND DAMAGE
07/07/97   ORANGE                         TREES AND POWERLINES DOWN

1237 PM    NEW WINDSOR               NY   WIND DAMAGE
07/07/97   ORANGE                         TREES AND POWERLBINES
                                          DOWN...PEA SIZE HAIL

1246 PM    MIDDLETOWN                NY   .5 INCH HAIL
07/07/97   ORANGE
Local storm report, Jul 7, 12:48 PM EDT, 1 hour 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
1248 PM EDT MON JUL 07 1997

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

1210 PM    UNIONVILLE                NY   WIND DAMAGE
07/07/97   ORANGE                         TREES AND WIRES DOWN

1220 PM    GOSHEN                    NY   .5 INCH HAIL
07/07/97   ORANGE

1225 PM    GOSHEN                    NY   WIND DAMAGE
07/07/97   ORANGE                         TREES AND POWERLINES DOWN

1237 PM    NEW WINDSOR               NY   WIND DAMAGE
07/07/97   ORANGE                         TREES AND POWERLINES
                                          DOWN...PEA SIZE HAIL

1246 PM    MIDDLETOWN                NY   .5 INCH HAIL
07/07/97   ORANGE

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 2:12 PM EDTSevere Thunderstorm WarningOKXGreater Bridgeport Planning Region63 min

Nearby

Severe Thunderstorm Warnings in Connecticut, 1997Every severe thunderstorm warning in 1997

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.