Alert archive / New York / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 13, NWS Burlington, VT

July 15, 1995St. Lawrence County, New York

NWS Burlington, VT issued this severe thunderstorm warning at Jul 15, 1995, 4:40 AM EDT for St. Lawrence County, New York. It was in force for 65 min.

The area

The counties it named.

The facts

Issued
Jul 15, 1995, 4:40 AM EDT (08:40 UTC)
Expired
Jul 15, 1995, 5:45 AM EDT
In force
65 min
Issued by
NWS Burlington, VT
Area
Whole counties

County St. Lawrence County, NY

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 8.7 hours before the alert went out and 337 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, Buffalo Intl Airport, NY at 00:00Z on 1995-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3272 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, Buffalo Intl Airport, NY at 00:00Z on 1995-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 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
3272 J/kg
Mixed-layer CIN
-150 J/kg
Mixed-layer LCL
979 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
207 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBTV 150842 RRA
SVRBTV
NYC089-150945-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BURLINGTON VT
440 AM EDT SAT JUL 15 1995
 
THE NATIONAL WEATHER SERVICE IN BURLINGTON VT HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH NEW YORK
 
   ...SOUTHERN ST. LAWRENCE COUNTY
 
AT 435 AM...RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS ENTERING
WESTERN ST. LAWRENCE COUNTY. THESE STORMS WILL MOVE RAPIDLY SOUTHEAST
ACROSS SOUTHERN ST. LAWRENCE COUNTY THROUGH 530 AM AND WILL LIKELY
AFFECT GOUVERNEUR BY 5 AM AND NEWTON FALLS BY 530 AM.  STRONG DAMAGING
WINDS ARE LIKELY.
 
SEVERE THUNDERSTORMS PRODUCE STRONG DAMAGING WIND...LARGE HAIL...VERY
HEAVY RAIN...AND FREQUENT DEADLY LIGHTNING. IF YOU ARE CAUGHT OUTSIDE
AND CAN NOT FIND REFUGE IN A STURDY INDOOR SHELTER...CROUCH DOWN IN A
DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. STAY AWAY FROM
TBREES...HILL TOPS...WIRE FENCES AND METAL OBJECTS.

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

Special weather statement, Jul 15, 3:40 AM EDT, 1 hour before
VTZ001>012-NYZ026>031-034-035-151100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
340 AM EDT SAT JUL 15 1995

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHERN NEW YORK
AND ALL OF VERMONT UNTIL 10 AM...

THE WATCH INCLUDES ST. LAWRENCE...FRANKLIN AND CLINTON COUNTIES IN
NORTHERN NEW YORK AND ALL OF VERMONT.

A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR THE
DEVELOPMENT OF SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...LARGE HAIL...DEADLY
LIGHTNING AND TORRENTIAL RAIN.

PERSONS LIVING VERMONT AND NORTHERN NEW YORK SHOULD BE ON THE LOOKOUT
FOR THREATENING WEATHER.  LISTEN TO NOAA WEATHER RADIO FOR LATER
STATEMENTS OR POSSIBLE WARNINGS.

WHEN SEVERE THUNDERSTORMS ARE OCCURRING...YOU SHOULD MOVE INSIDE
A STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORMS
HAVE PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

CADIMA
Special weather statement, Jul 15, 3:42 AM EDT, 58 minutes before
VTZ001>012-NYZ026>031-034-035-151100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BURLINGTON VT
340 AM EDT SAT JUL 15 1995

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR NORTHERN NEW YORK
AND ALL OF VERMONT UNTIL 10 AM...

THE WATCH INCLUDES ST. LAWRENCE...FRANKLIN AND CLINTON COUNTIES IN
NORTHERN NEW YORK AND ALL OF VERMONT.

A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR THE
DEVELOPMENT OF SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND...LARGE HAIL...DEADLY
LIGHTNING AND TORRENTIAL RAIN.

PERSONS LIVING VERMONT AND NORTHERN NEW YORK SHOULD BE ON THE LOOKOUT
FOR THREATENING WEATHER.  LISTEN TO NOAA WEATHER RADIO FOR LATER
STATEMENTS OR POSSIBLE WARNINGS.

WHEN SEVERE THUNDERSTORMS ARE OCCURRING...YOU SHOULD MOVE INSIDE
A STRONG BUILDING. DO NOT STAND BY WINDOWS. DO NOT USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORMS
HA VE PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

CADIMA

The office that day

Everything else NWS Burlington, VT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 15, 4:40 AM EDTSevere Thunderstorm WarningBTVJefferson50 min
Jul 15, 4:51 AM EDTSevere Thunderstorm WarningBTVLewis, Oswego69 min
Jul 15, 4:51 AM EDTSevere Thunderstorm WarningBTVCayuga69 min
Jul 15, 5:46 AM EDTSevere Thunderstorm WarningBTVEssex74 min

Nearby

Severe Thunderstorm Warnings in New York, 1995Every severe thunderstorm warning in 1995

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.