Alert archive / Connecticut / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 22, NWS New York, NY

May 6, 1997Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Connecticut

NWS New York, NY issued this severe thunderstorm warning at May 6, 1997, 2:50 PM EDT for Lower Connecticut River Valley Planning Region, Naugatuck Valley Planning Region, Connecticut. It was in force for 55 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: May 6, 1997, 2:50 PM EDT (18:50 UTC)
Expired: May 6, 1997, 3:45 PM EDT
In force: 55 min
Issued by: NWS New York, NY
Area: Whole counties

Counties Lower Connecticut River Valley Planning Region, CT, Naugatuck Valley Planning Region, CT

The radar

The Brookhaven radar (KOKX), 69 km from the middle of the area, began a volume at 18:51 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, 6.8 hours before the alert went out and 69 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1042 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 198 m²/s²
0-3 km storm-relative helicity: 203 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.

248 
WUUS1 KNYC 061851 RRA
SVRNYC
CTC007-009-061945-
 
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NEW YORK NY
250 PM EDT TUE MAY 6 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 LOCATIONS...
 
IN SOUTH CENTRAL CONNECTICUT
 
   ...MIDDLESEX COUNTY...EASTERN NEW HAVEN COUNTY
 
AND THE ADJACENT COASTAL WATERS
 
AT 245 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE
OF SEVERE THUNDERSTORMS ACROSS WESTERN NEW HAVEN COUNTY. THESE STORMS
HAVE A HISTORY OF PRODUCING WIND GUSTS IN EXCESS OF 60 MPH...TREE AND
POWER LINE DAMAGE IN ADDITION TO HAIL.
 
MOVEMENT WAS EAST AT 35 MPH.
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 58 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
 
HAYES

The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 1:38 PM EDT	Severe Thunderstorm Warning	OKX	Greater Bridgeport Planning Region	67 min
May 6, 2:03 PM EDT	Severe Thunderstorm Warning	OKX	Naugatuck Valley Planning Region	57 min
May 6, 2:40 PM EDT	Tornado Warning	OKX	Greater Bridgeport Planning Region, Naugatuck Valley Planning Region	35 min
May 6, 3:21 PM EDT	Severe Thunderstorm Warning	OKX	Southeastern Connecticut Planning Region	69 min

Nearby

Severe Thunderstorm Warnings in Connecticut, 1997 Every 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.