Alert archive / New York / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 9, NWS Buffalo, NY

June 15, 1993Orleans County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 15, 1993, 3:29 PM EDT for Orleans County, New York. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Jun 15, 1993, 3:29 PM EDT (19:29 UTC)
Expired
Jun 15, 1993, 4:30 PM EDT
In force
61 min
Issued by
NWS Buffalo, NY
Area
Whole counties

County Orleans County, NY

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 7.5 hours before the alert went out and 55 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 1993-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 98 joules per kilogram.LCLLFCEL10008507005003002001001 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 1993-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -54 square meters per square second.1939587897Sfc1 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
98 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
815 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-54 m²/s²
0-3 km storm-relative helicity
90 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 151929 RRA
SVRBUF
NYC073-152030-

BULLETIN -      EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE BUFFALO NY
329 PM EDT TUE JUN 15 1993

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 430 PM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE STATE OF NEW YORK
      ORLEANS

AT 330 PM BUFFALO RADAR DETECTED A SEVERE THUNDERSTORM OVER WESTERN
ORLEANS COUNTY.  THE STORMS WERE MOVING TOWRAD THE SOUTHEAST AT
40 MPH.

THE OREANS COUNTY SHERIFF REPORTED MARBLE SIZE HAIL IN THE TOWN
OF JEDDO WHICH IS LOCATED BETWEEN LYNDONVILLE AND RIDGEWAY IN THE
WESTERN PART OF THE COUNTY

BE ON THE ALERT FOR THUNDERSTORMS ACCOMPANIED BY FREQUENT LIGHTN6ING
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.

 NIZIOL

Nearby

Severe Thunderstorm Warnings in New York, 1993Every severe thunderstorm warning in 1993

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.