Alert archive / New York / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 103, NWS Buffalo, NY

June 30, 1998Erie County, Niagara County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 30, 1998, 6:46 AM EDT for Erie County, Niagara County, New York. It was in force for 49 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
Jun 30, 1998, 6:46 AM EDT (10:46 UTC)
Expired
Jun 30, 1998, 7:35 AM EDT
In force
49 min
Issued by
NWS Buffalo, NY
Area
Whole counties

Counties Erie County, NY, Niagara County, NY

What was reported inside it

TimeReportWhereRemark
Jun 30, 6:55 AM EDTThunderstorm WindLewiston, 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, 10.8 hours before the alert went out and 5 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 1998-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 1998-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 82 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2237 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
82 m²/s²
0-3 km storm-relative helicity
76 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KBUF 301046 RRA
SVRBUF
NYC029-063-301135-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
646 AM EDT TUE JUN 30 1998

THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ERIE COUNTY IN WESTERN NEW YORK
  NIAGARA COUNTY IN WESTERN NEW YORK

* UNTIL 735 AM EDT

* AT 645 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A LINE OF SEVERE THUNDERSTORMS FROM NIAGARA FALLS TO
  BUFFALO...MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  AMHERST AND LOCKPORT AT 650 AM
  CLARENCE AT 700 AM

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

LEVAN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 7:32 AM EDTSevere Thunderstorm WarningBUFOrleans33 min
Jun 30, 2:51 PM EDTFlash Flood WarningBUFMonroe2 hr
Jun 30, 2:59 PM EDTSevere Thunderstorm WarningBUFOntario61 min
Jun 30, 3:35 PM EDTSevere Thunderstorm WarningBUFErie55 min
Jun 30, 4:26 PM EDTSevere Thunderstorm WarningBUFErie44 min
Jun 30, 4:51 PM EDTSevere Thunderstorm WarningBUFWyoming64 min
Jun 30, 6:00 PM EDTSevere Thunderstorm WarningBUFLivingston20 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.