Alert archive / New York / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 46, NWS Buffalo, NY

July 28, 1997Chautauqua County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 28, 1997, 7:27 AM EDT for Chautauqua County, New York. It was in force for 63 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
Jul 28, 1997, 7:27 AM EDT (11:27 UTC)
Expired
Jul 28, 1997, 8:30 AM EDT
In force
63 min
Issued by
NWS Buffalo, NY
Area
Whole counties

County Chautauqua County, NY

The radar

The Buffalo radar (KBUF), 90 km from the middle of the area, began a volume at 11:31 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jul 28, 8:10 AM EDTThunderstorm WindDunkirk, NYAn early morning thunderstorm brought high winds to the county. The thunderstorm winds downed trees and power lines. In Cassadaga, a large uprooted tree crushed a pickup truck.

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.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 00:00Z, 11.5 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 00:00Z on 1997-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 72 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 00:00Z on 1997-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 63 square meters per square second.19395878Sfc1 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
72 J/kg
Mixed-layer CIN
-114 J/kg
Mixed-layer LCL
664 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
63 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBUF 281127
SVRBUF
NYC013-NYZ520-281240-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
727 AM EDT MON JUL 28 1997

THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 830 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WESTERN NEW YORK

   ...NORTHERN CHAUTAUQUA COUNTY
 
AT 715 AM RADAR SHOWED A SEVERE THUNDERSTORM OVER LAKE ERIE MOVING EAST
TOWARD DUNKIRK NEW YORK.  THE STORM SHOULD REACH DUNKIRK BETWEEN 745
AND 8 AM.
 
THE STORMS MAY CONTAIN LARGE HAIL...DAMAGING WINDS...FREQUENT
LIGHTNING AND VERY HEAVY DOWNPOURS OF RAIN. TUNE IN NOAA WEATHER RADIO
OR YOUR LOCAL RADIO OR TV STATION FOR THE LATEST lWEATHER INFORMATION

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 8:17 AM EDTSevere Thunderstorm WarningBUFCattaraugus63 min

Nearby

Severe Thunderstorm Warnings in New York, 1997Every severe thunderstorm warning in 1997

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; radar from the NEXRAD Level II archive.