Alert archive / New York / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 101, NWS Buffalo, NY

June 26, 1998Livingston County, Monroe County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 26, 1998, 8:30 AM EDT for Livingston County, Monroe County, New York. It was in force for 50 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
Jun 26, 1998, 8:30 AM EDT (12:30 UTC)
Expired
Jun 26, 1998, 9:20 AM EDT
In force
50 min
Issued by
NWS Buffalo, NY
Area
Whole counties

Counties Livingston County, NY, Monroe County, NY

The radar

The Buffalo radar (KBUF), 84 km from the middle of the area, began a volume at 12:33 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.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 0.5 hours before the alert went out and 81 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 1998-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 601 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 1998-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -87 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
601 J/kg
Mixed-layer CIN
-103 J/kg
Mixed-layer LCL
712 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
-87 m²/s²
0-3 km storm-relative helicity
-278 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

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

147 
WUUS1 KBUF 261231 RRA
SVRBUF
NYC055-051-261315-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
830 AM EDT FRI JUN 26 1998

THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN MONROE COUNTY IN WESTERN NEW YORK
  NORTHERN LIVINGSTON COUNTY IN WESTERN NEW YORK

* UNTIL 920 AM EDT

* AT 825 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM 10 MILES EAST OF LEROY...MOVING EAST AT 35
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  5 MILES SOUTH OF CHURCHVILLE AT 900 AM
  CALEDONIA AT 905 AM

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 1:40 AM EDTSevere Thunderstorm WarningBUFJefferson65 min
Jun 26, 2:00 AM EDTSevere Thunderstorm WarningBUFMonroe, Wayne65 min
Jun 26, 2:04 AM EDTSevere Thunderstorm WarningBUFLewis61 min
Jun 26, 2:19 AM EDTSevere Thunderstorm WarningBUFOswego66 min
Jun 26, 2:54 AM EDTSevere Thunderstorm WarningBUFNiagara61 min
Jun 26, 3:14 AM EDTSevere Thunderstorm WarningBUFOrleans61 min
Jun 26, 3:31 AM EDTSevere Thunderstorm WarningBUFErie59 min
Jun 26, 3:42 AM EDTSevere Thunderstorm WarningBUFGenesee63 min
Jun 26, 3:50 AM EDTSevere Thunderstorm WarningBUFMonroe, Wayne65 min
Jun 26, 4:23 AM EDTFlash Flood WarningBUFErie, Genesee2 hr
Jun 26, 4:53 AM EDTSevere Thunderstorm WarningBUFWyoming62 min
Jun 26, 5:59 AM EDTFlash Flood WarningBUFCattaraugus, Chautauqua61 min
Jun 26, 6:43 AM EDTSevere Thunderstorm WarningBUFErie87 min
Jun 26, 7:33 AM EDTFlash Flood WarningBUFWyoming92 min
Jun 26, 8:01 AM EDTFlash Flood WarningBUFGenesee94 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.