Alert archive / New York / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 59, NWS Buffalo, NY

September 29, 1997Cattaraugus County, Chautauqua County, Wyoming County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Sep 29, 1997, 7:59 PM EDT for Cattaraugus County, Chautauqua County, Wyoming County, New York. It was in force for 46 min. 2 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
Sep 29, 1997, 7:59 PM EDT (23:59 UTC)
Expired
Sep 29, 1997, 8:45 PM EDT
In force
46 min
Issued by
NWS Buffalo, NY
Area
Whole counties

Counties Cattaraugus County, NY, Chautauqua County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 59 km from the middle of the area, began a volume at 00:00 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
Sep 29, 8:30 PM EDTThunderstorm WindEllington, NY
Sep 29, 8:30 PM EDTThunderstorm WindWestfield, 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

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 12.0 hours before the alert went out and 57 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 1997-09-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 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 1997-09-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -79 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
533 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
-79 m²/s²
0-3 km storm-relative helicity
-27 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 292358 RRA
SVRBUF
NYC009-013-121-NYZ520-300045-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
759 PM EDT MON SEP 29 1997

THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 845 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WESTERN NEW YORK

   ...CATTARAUGUS COUNTY
   ...CHAUTAUQUA COUNTY
   ...WYOMING COUNTY
 
AT 750PM BUFFALO DOPPLER RADAR DETECTED A LINE OF SEVERE
THUNDERSTORMS THAT EXTENDED FROM JUST EAST OF BUFFALO...SOUTH THROUGH
SPRINGVILLE TO MAYVILLE IN CHAUTAUQUA COUNTY.

THESE STORMS WERE MOVING RAPIDLY EAST AT 50 MPH AND THERE HAVE
BEEN REPORTS OF DOWNED TREES AND POWER LINES ASSOCIATED WITH THE
WINDS MOVING OUT AHEAD OF THE STORMS.
 
THESE STORMS ALSO ARE PRODUCING LIGHTNING AND VERY HEAVY DOWNPOURS.
TUNE IN NOAA WEATHER RADIO OR YOUR LOCAL RADIO OR TV STATION FOR
THE LATEST WEATHER INFORMATION. IF SEVERE WEATHER APPROACHES pTAKE
SHELTER IMMEDIATELY.

NIZIOL

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 29, 6:43 PM EDTSevere Thunderstorm WarningBUFErie, Genesee2 hr

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.