Alert archive / Connecticut / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 71, NWS New York, NY
NWS New York, NY issued this severe thunderstorm warning at Jul 18, 1997, 3:55 PM EDT for Naugatuck Valley Planning Region, Connecticut. It was in force for 65 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 18, 1997, 3:55 PM EDT (19:55 UTC)
- Expired
- Jul 18, 1997, 5:00 PM EDT
- In force
- 65 min
- Issued by
- NWS New York, NY
- Area
- Whole counties
The radar
The Brookhaven radar (KOKX), 75 km from the middle of the area, began a volume at 19:58 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, 7.9 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.
- Mixed-layer CAPE
- 537 J/kg
- Mixed-layer CIN
- -119 J/kg
- Mixed-layer LCL
- 1397 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KNYC 182000 RRA SVRNYC CTC009-182100- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NEW YORK NY 355 PM EDT FRI JUL 18 1997 THE NATIONAL WEATHER SERVICE IN NEW YORK HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 500 PM EDT FOR THE PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL CONNECTICUT ...NEW HAVEN COUNTY AND THE ADJACENT COASTAL WATERS DOPPLER RADAR AS OF 356 PM SHOWS A DEVELOPING THUNDERSTORM IN NORTHERN NEW HAVEN COUNTY. THIS STORM IS MOVING SOUTHEAST AT 25 MPH AND CAN PRODUCE WIND GUSTS IN EXCESS UP TO 60 MPH ALONG WITH CLOUD TO GROUND LIGHTNING AND HAIL. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG &BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. & TRM
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 18, 3:43 PM EDT, 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
347 PM EDT FRI JUL 18 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0230 PM SEA CLIFF NY WIND DAMAGE
07/18/97 NASSAU EXTENSIVE DAMAGE REPORTED
BY NASSAU COUNTY EOC IN
SEA CLIFF...SANDS POINT..
AND ELMONT.
0235 PM BABYLON NY 60 MPH TSTM GUST
07/18/97 SUFFOLK ESTIMATED IN NORTH BABYLON
0245 PM FARMINGDALE RPBLC ARPT NY 52 MPH TSTM GUST
07/18/97 SUFFOLK SQUALL ARE REPUBLIC
AIRPORT
0250 PM DEER PARK NY WIND DAMAGE
07/18/97 SUFFOLK *** 12 INJ ***
ROOFS BLOWN OFF TWO
BUILDINGS...INITIAL
ESTIMATE OF INJURIES TO
PEOPLE INSIDE BUILDINGS.
0250 PM BABYLON NY 1 INCH HAIL
07/18/97 SUFFOLK
0252 PM DEER PARK NY .75 INCH HAIL
07/18/97 SUFFOLK
0308 PM BOHEMIA NY 58 MPH TSTM GUST
07/18/97 SUFFOLKLocal storm report, Jul 18, 3:47 PM EDT, 8 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE NEW YORK NY
347 PM EDT FRI JUL 18 1997
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0230 PM SEA CLIFF NY WIND DAMAGE
07/18/97 NASSAU EXTENSIVE DAMAGE REPORTED
BY NASSAU COUNTY EOC IN
SEA CLIFF...SANDS POINT..
AND ELMONT.
0235 PM BABYLON NY 60 MPH TSTM GUST
07/18/97 SUFFOLK ESTIMATED IN NORTH BABYLON
0245 PM FARMINGDALE RPBLC ARPT NY 52 MPH TSTM GUST
07/18/97 SUFFOLK SQUALL ARE REPUBLIC
AIRPORT
0250 PM DEER PARK NY WIND DAMAGE
07/18/97 SUFFOLK *** 12 INJ ***
ROOFS BLOWN OFF TWO
BUILDINGS...INITIAL
ESTIMATE OF INJURIES TO
PEOPLE INSIDE BUILDINGS.
0250 PM BABYLON NY 1 INCH HAIL
07/18/97 SUFFOLK
0252 PM DEER PARK NY .75 INCH HAIL
07/18/97 SUFFOLK
0308 PM BOHEMIA NY 58 MPH TSTM GUST
07/18/97 SUFFOLKThe office that day
Everything else NWS New York, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 4:52 PM EDT | Severe Thunderstorm Warning | OKX | Lower Connecticut River Valley Planning Region | 53 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.