Alert archive / New York / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 61, NWS Buffalo, NY

September 29, 1997Monroe County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Sep 29, 1997, 8:32 PM EDT for Monroe County, New York. It was in force for 43 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: Sep 29, 1997, 8:32 PM EDT (00:32 UTC)
Expired: Sep 29, 1997, 9:15 PM EDT
In force: 43 min
Issued by: NWS Buffalo, NY
Area: Whole counties

County Monroe County, NY

The radar

The Buffalo radar (KBUF), 93 km from the middle of the area, began a volume at 00:33 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
Sep 29, 9:00 PM EDT	Thunderstorm Wind	Penfield, 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 00:00Z, 0.5 hours before the alert went out and 90 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: 127 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 2031 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 339 m²/s²
0-3 km storm-relative helicity: 396 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBUF 300032 RRA
SVRBUF
NYC055-NYZ524-300115-

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

THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 915 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WESTERN NEW YORK

   ...MONROE COUNTY
 
AT 830PM BUFFALO DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM JUST
EAST OF BATAVIA IN GENESEE COUNTY. THIS STORM WAS MOVING RAPIDLY EAST
AT 45 TO 50 MPH.

SKYWARN SPOTTERS REPORTED DOWNED TREES AND POWER LINES IN PEMBORKE
AND BATAVIA AS THE STORM PASSED THROUGH JUST AFTER 8PM.
 

THESE STORMS ALSO CONTAIN 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. TAKE SHELTER IMMEDIATELY IF
SEVERE WEATHER APPROACHES.

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.