Alert archive / New York / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 90, NWS Buffalo, NY

September 11, 1996Niagara County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Sep 11, 1996, 11:47 PM EDT for Niagara County, New York. It was in force for 58 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 11, 1996, 11:47 PM EDT (03:47 UTC)
Expired
Sep 12, 1996, 12:45 AM EDT
In force
58 min
Issued by
NWS Buffalo, NY
Area
Whole counties

County Niagara County, NY

The radar

The Buffalo radar (KBUF), 25 km from the middle of the area, began a volume at 03:50 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 11, 11:50 PM EDTThunderstorm Wind 52Wheatfield, 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, 3.8 hours before the alert went out and 27 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 1996-09-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 497 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°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 1996-09-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 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
497 J/kg
Mixed-layer CIN
-16 J/kg
Mixed-layer LCL
964 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
80 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 120347
SVRBUF
NYC063-NYZ523-524-120445-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1147 PM EDT WED SEP 11 1996

THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1245 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WESTERN NEW YORK

   ...NIAGARA COUNTY
 
AT 1142 PM DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM LOCATED BETWEEN
YOUNGSTOWN AND LEWISTON IN NORTHERN NIAGARA COUNTY. THIS STORM WAS
MOVING TO THE EAST AT 30 MPH AND WILL REACH BARKER AROUND 1215 AM.

SEVERE THNDERSTORMS PRODUCE WINDS IN EXCESS OF 60 MPH AND OR THREE
QUARTER INCH HAIL. THIS STORM WILL ALSO BE ACCOMPANIED BY VERY
HEAVY TRAIN AND FREQUENT LIGHTNING.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 12, 6:37 PM EDTSevere Thunderstorm WarningBUFOswego58 min

Nearby

Severe Thunderstorm Warnings in New York, 1996Every 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.