Alert archive / New York / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 179, NWS Buffalo, NY

September 26, 1998Jefferson County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Sep 26, 1998, 8:41 PM EDT for Jefferson County, New York. It was in force for 64 min. 2 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
Sep 26, 1998, 8:41 PM EDT (00:41 UTC)
Expired
Sep 26, 1998, 9:45 PM EDT
In force
64 min
Issued by
NWS Buffalo, NY
Area
Whole counties

County Jefferson County, NY

The radar

The Ft Drum radar (KTYX), 40 km from the middle of the area, began a volume at 00:41 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 26, 9:17 PM EDTThunderstorm WindPt Peninsula, NY
Sep 26, 9:22 PM EDTThunderstorm WindDexter, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 26, 8:00 PM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 0.7 hours before the alert went out and 231 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, Albany, NY at 00:00Z on 1998-09-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 134 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, Albany, NY at 00:00Z on 1998-09-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 square meters per square second.1939Sfc1 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
134 J/kg
Mixed-layer CIN
-240 J/kg
Mixed-layer LCL
952 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
40 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.

940 
WUUS1 KBUF 270043
SVRBUF
NYC045-270145-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED
NATIONAL WEATHER SERVICE BUFFALO NY
841 PM EDT SAT SEP 26 1998

THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN JEFFERSON COUNTY IN CENTRAL NEW YORK

* UNTIL 945 PM EDT

* AT 840 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM NEAR WELLESLEY ISLAND...MOVING EAST AT 40
  MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ALEXANDRIA BAY BY 845 PM EDT
  REDWOOD BY 850 PM
  ANTWERP BY 900 PM

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

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH AND/OR HAIL 3/4 INCH OR LARGER. FOR YOUR PROTECTION FROM
POTENTIALLY DAMAGING WINDS...MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS MAY ALSO
CAUSE RAPID FLOODING OF SMALL STREAMS AND POOR DRAINAGE AREAS.
DONT ATTEMPT TO CROSS FLOODED ROADWAYS.

WCH

The office that day

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

IssuedProductOfficeCountiesLasted
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, 3:27 PM EDTSevere Thunderstorm WarningBUFChautauqua58 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.