Alert archive / New York / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 2, NWS Buffalo, NY

April 12, 1996Cattaraugus County, Chautauqua County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Apr 12, 1996, 8:04 PM EDT for Cattaraugus County, Chautauqua County, New York. It was in force for 56 min. 3 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: Apr 12, 1996, 8:04 PM EDT (00:04 UTC)
Expired: Apr 12, 1996, 9:00 PM EDT
In force: 56 min
Issued by: NWS Buffalo, NY
Area: Whole counties

Counties Cattaraugus County, NY, Chautauqua County, NY

The radar

The Buffalo radar (KBUF), 79 km from the middle of the area, began a volume at 00:07 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
Apr 12, 8:10 PM EDT	Thunderstorm Wind 52	Celeron, NY
Apr 12, 8:30 PM EDT	Thunderstorm Wind	Carroll, NY
Apr 12, 8:45 PM EDT	Thunderstorm Wind	South Valley, 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, 0.1 hours before the alert went out and 78 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 527 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: -26 m²/s²
0-3 km storm-relative helicity: -14 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 130005
SVRBUF
NYC009-013-130100-
 
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
804 PM EDT FRI APR 12 1996
 
THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  900 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN  NEW YORK
 
   ...CATTARAUGUS COUNTY...CHAUTAUQUA COUNTY
 
THUNDERSTORMS WITH STRONG WINDS WERE MOVING EAST ACROSS CHAUTAUQUA
COUNTY AT 8 PM. A COUPLE OF TREES WERE REPORTED DOWN NEAR MAYVILLE.
THE STORMS SHOULD MOVE THROUGH EASTERN CHAUTAUQUA COUNTY AND CATTARAUGUS
COUNTIES THROUGH 9 PM.
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING.  DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
 
SAGE

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 12, 9:33 PM EDT	Flash Flood Warning	BUF	Allegany, Cattaraugus	3 hr

Nearby

Severe Thunderstorm Warnings in New York, 1996 Every severe thunderstorm warning in 1996

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.