Alert archive / New York / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 19, NWS Buffalo, NY

September 17, 1987Chautauqua County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Sep 17, 1987, 2:15 PM EDT for Chautauqua County, New York. It was in force for 75 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Sep 17, 1987, 2:15 PM EDT (18:15 UTC)
Expired
Sep 17, 1987, 3:30 PM EDT
In force
75 min
Issued by
NWS Buffalo, NY
Area
Whole counties

County Chautauqua County, NY

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Sep 17, 2:30 PM EDTHail 0.75Chautauqua, NY

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.3 hours before the alert went out and 91 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 12:00Z on 1987-09-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 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 12:00Z on 1987-09-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 92 square meters per square second.1939Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
573 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
92 m²/s²
0-3 km storm-relative helicity
172 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.

000 
TTAA00 KBUF 171818
SVRBUF
NYC013-171930-

BULLETIN  IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
215 PM EDT THU SEP 17 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 330 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES IN

WESTERN NEW YORK...CHAUTAUQUA AND ADJACENT WATERS OF LAKE ERIE

AT 210 PM BUFFALO WEATHER RADAR SHOWED AN INTENSE THUNDERSTORM NEAR
ERIE PENNSYLVANIA. THIS THUNDERSTORM WAS MOVING EAST AT 25 MPH.
ERIE WEATHER RECEIVED REPORTS OF GOLF BALL SIZE HAIL WITH THIS STORM.

BE ON THE ALERT FOR THUNDERSTORMS ACCOMPANIED BY FREQUENT LIGHTNING..
STRONG DAMAGING WINDS AND LARGE HAIL.  LOCALLY HEAVY RAIN MAY ALSO CAUSE
DRAINAGE FLOODING.

BE ON THE ALERT FOR THUNDERSTORMS ACCOMPANIED BY FREQUENT LIGHTNING..
STRONG DAMAGING WINDS AND LARGE HAIL.  LOCALLY HEAVY RAIN MAY ALSO CAUSE
DRAINAGE FLOODING.

IF THREATENING WEATHER APPROACHES GO TO A SAFE PLACE IMMEDIATELY.  IN
HOMES A BASEMENT OR INTERIOR ROOM IS THE SAFEST LOCATION.

PACE

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 17, 4:00 PM EDTSevere Thunderstorm WarningBUFCattaraugus70 min

Nearby

Severe Thunderstorm Warnings in New York, 1987Every severe thunderstorm warning in 1987

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.