Alert archive / New York / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 23, NWS Buffalo, NY

August 28, 1990Chautauqua County, Erie County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 28, 1990, 1:15 AM EDT for Chautauqua County, Erie County, New York. It was in force for 75 min. 7 reports 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: Aug 28, 1990, 1:15 AM EDT (05:15 UTC)
Expired: Aug 28, 1990, 2:30 AM EDT
In force: 75 min
Issued by: NWS Buffalo, NY
Area: Whole counties

Counties Chautauqua County, NY, Erie 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

Time	Report	Where
Aug 28, 1:18 AM EDT	Thunderstorm Wind 0	Chautauqua, NY
Aug 28, 1:18 AM EDT	Thunderstorm Wind 0	Chautauqua, NY
Aug 28, 1:25 AM EDT	Thunderstorm Wind 0	Chautauqua, NY
Aug 28, 1:25 AM EDT	Thunderstorm Wind 0	Chautauqua, NY
Aug 28, 1:30 AM EDT	Thunderstorm Wind 0	Erie, NY
Aug 28, 1:40 AM EDT	Thunderstorm Wind 0	Chautauqua, NY
Aug 28, 1:55 AM EDT	Thunderstorm Wind 0	Chautauqua, 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 00:00Z, 5.3 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 663 J/kg
Mixed-layer CIN: -184 J/kg
Mixed-layer LCL: 1181 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 120 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBUF 280511
SVRBUF
NYC013-029-063-280630-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
115 AM EDT TUE AUG 28 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 230 AM EDT FOR PEOPLE IN THE FOLLOWING
COUNTY

   IN THE STATE OF NEW YORK
      NIAGARA...ERIE AND CHAUTAUQUA

...THIS WARNING ALSO INCLUDES THE ADJACENT LAKE WATERS FOR THE
COUNTIES JUST MENTIONED

AT 1 AM BUFFALO WEATHER RADAR INDICATED A LINE OF VERY HEAVY
THUNDERSTORMS RUNNING FROM WESTERN LAKE ONTARIO SOUTHWARD ACROSS THE
NIAGARA PENINSULA TO NEAR ERIE PENNSYLVANIA. FREQUENT
LIGHTNING AND HEAVY DOWNPOURS AND STRONG GUSTY WINDS MAY ACCOMPANY THESE
THUNDERSTORMS. 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.

SAGE

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 28, 1:15 AM EDT	Severe Thunderstorm Warning	BUF	Niagara	75 min
Aug 28, 1:35 AM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus, Genesee, Wyoming	85 min
Aug 28, 1:35 AM EDT	Severe Thunderstorm Warning	BUF	Orleans	85 min
Aug 28, 2:10 AM EDT	Severe Thunderstorm Warning	BUF	Allegany	80 min
Aug 28, 6:00 PM EDT	Tornado Warning	BUF	Erie	60 min
Aug 28, 6:15 PM EDT	Tornado Warning	BUF	Chautauqua	45 min
Aug 28, 6:50 PM EDT	Tornado Warning	BUF	Cattaraugus, Chautauqua, Erie	70 min
Aug 28, 7:10 PM EDT	Tornado Warning	BUF	Allegany	50 min

Nearby

Severe Thunderstorm Warnings in New York, 1990 Every severe thunderstorm warning in 1990

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.