Alert archive / New York / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 189, NWS Buffalo, NY

September 27, 1998Chautauqua County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Sep 27, 1998, 3:27 PM EDT for Chautauqua County, New York. It was in force for 58 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Sep 27, 1998, 3:27 PM EDT (19:27 UTC)
Expired
Sep 27, 1998, 4:25 PM EDT
In force
58 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 19:26 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.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 7.5 hours before the alert went out and 91 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 1998-09-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 joules per kilogram.LCLLFCEL10008507005003002001001 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 1998-09-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 196 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
4 J/kg
Mixed-layer CIN
-339 J/kg
Mixed-layer LCL
1619 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
196 m²/s²
0-3 km storm-relative helicity
252 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.

999 
WUUS1 KBUF 271928 RRA
SVRBUF
NYC013-272025-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
327 PM EDT SUN SEP 27 1998

THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN CHAUTAUQUA COUNTY IN WESTERN NEW YORK

* UNTIL 425 PM EDT

* AT 320 PM EDT...NATIONAL WEATHER SERVICE   DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM JUST EAST OF ERIE   PENNSYLVANIA...MOVING
  EAST AT 60 MPH.

  NICKEL TO QUARTER SIZE HAIL WAS REPORTED WITH THE THUNDERSTORM.

* THE SEVERE THUNDERSTORM WILL BE NEAR...SHERMAN 340 PM AND WILL
  CONTINUE EAST.

 IF YOU ARE IN THESE AREAS...SEEK SAFETY IN A SMALL INTERIOR ROOM
 AWAY FROM WINDOWS. A BASEMENT OFFERS THE BEST PROTECTION.

  BE ON THE ALERT FOR THUNDERSTORMS ACCOMPANIED BY DAMAGING
  WINDS...FREQUENT LIGHTNING AND HAIL. LOCALLY HEAVY RAINFALL
  MAY ALSO PRODUCE DRAINAGE FLOODING.

EGR

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 26, 8:41 PM EDTSevere Thunderstorm WarningBUFJefferson64 min
Sep 26, 9:07 PM EDTSevere Thunderstorm WarningBUFJefferson63 min
Sep 26, 9:12 PM EDTSevere Thunderstorm WarningBUFWayne63 min
Sep 26, 9:24 PM EDTSevere Thunderstorm WarningBUFOswego61 min
Sep 26, 9:27 PM EDTSevere Thunderstorm WarningBUFLewis63 min
Sep 27, 2:18 PM EDTSevere Thunderstorm WarningBUFGenesee62 min
Sep 27, 4:23 PM EDTSevere Thunderstorm WarningBUFErie, Niagara62 min
Sep 27, 5:15 PM EDTSevere Thunderstorm WarningBUFOrleans65 min

Nearby

Severe Thunderstorm Warnings in New York, 1998Every severe thunderstorm warning in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.