Alert archive / New York / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 13, NWS Buffalo, NY

June 25, 1997Chautauqua County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 25, 1997, 6:16 PM EDT for Chautauqua County, New York. It was in force for 64 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: Jun 25, 1997, 6:16 PM EDT (22:16 UTC)
Expired: Jun 25, 1997, 7:20 PM EDT
In force: 64 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 22:20 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

Time	Report	Where	Remark
Jun 25, 6:40 PM EDT	Thunderstorm Wind	Clymer, 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.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 10.3 hours before the alert went out and 218 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: 804 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 1080 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 119 m²/s²
0-3 km storm-relative helicity: 107 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBUF 252216 RRA
SVRBUF
NYC013-NYZ520-252320-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
616 PM EDT WED JUN 25 1997

THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 720 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WESTERN NEW YORK

   ...CHAUTAUQUA COUNTY
 
AT 615PM DOPPLER WEATHER RADAR INDICATED SEVERE THUNDERSTORMS OVER
EXTREME SOUTHERN CHAUTAUQUA COUNTY BETWEEN RTE 17 AND THE STATE
LINE. THESE STORMS WILL CROSS THE TOWNS OF PANAMA AND FREWSBURG AS
WELL AS THE SOUTHERN PORTION OF JAMESTOWN BETWEEN 615 AND 700PM.

 THESE STORMS MAY CONTAIN 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 WEATHER INFORMATION

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 25, 5:22 PM EDT	Severe Thunderstorm Warning	BUF	Niagara	58 min
Jun 25, 5:47 PM EDT	Severe Thunderstorm Warning	BUF	Orleans	58 min
Jun 25, 6:26 PM EDT	Severe Thunderstorm Warning	BUF	Cattaraugus	79 min
Jun 25, 7:24 PM EDT	Flash Flood Warning	BUF	Chautauqua	76 min
Jun 25, 7:24 PM EDT	Severe Thunderstorm Warning	BUF	Chautauqua	76 min

Nearby

Severe Thunderstorm Warnings in New York, 1997 Every 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.