Alert archive / New York / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 1, NWS Buffalo, NY

May 6, 1986Cattaraugus County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at May 6, 1986, 4:13 PM EDT for Cattaraugus County, New York. It was in force for 62 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
May 6, 1986, 4:13 PM EDT (20:13 UTC)
Expired
May 6, 1986, 5:15 PM EDT
In force
62 min
Issued by
NWS Buffalo, NY
Area
Whole counties

County Cattaraugus 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
May 6, 4:45 PM EDTThunderstorm Wind 0Cattaraugus, 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, 8.2 hours before the alert went out and 76 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 1986-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 1986-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 315 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1240 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
315 m²/s²
0-3 km storm-relative helicity
343 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 062013
SVRBUF
NYC009-062115-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
413 PM EDT TUE MAY 6 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 515 PM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTY OF

NEW YORK...CATTARAUGUS

AT 410 PM EDT BUFFALO WEATHER RADAR OBSERVED A STRONG
THUNDERSTORM OVER THE CHAUTUAUQUA CATTARAUGUS NEW YORK
COUNTY LINE NEAR SOUTH DAYTON.

THE THUNDERSTORM WAS MOVING EAST ABOUT 40 MPH.

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 WEATHERy APPROACHES GO TO A SAFE PLACE IMMEDIATELY.  IN
HOMES A BASEMENT OR INTERIOR ROOM IS THE SAFEST LOCATION.  MOBILE
HOMES OFFER NO SHELTER FROM HIGH WINDS.

 REICH

Nearby

Severe Thunderstorm Warnings in New York, 1986Every severe thunderstorm warning in 1986

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.