Alert archive / New York / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 140, NWS Buffalo, NY

August 24, 1998Jefferson County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Aug 24, 1998, 11:52 AM EDT for Jefferson County, New York. It was in force for 93 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
Aug 24, 1998, 11:52 AM EDT (15:52 UTC)
Expired
Aug 24, 1998, 1:25 PM EDT
In force
93 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 15:51 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

Albany, NY (KALY), launched 12:00Z, 3.9 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 12:00Z on 1998-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1304 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, Albany, NY at 12:00Z on 1998-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 149 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
1304 J/kg
Mixed-layer CIN
-62 J/kg
Mixed-layer LCL
661 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
149 m²/s²
0-3 km storm-relative helicity
185 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.0

Open this sounding in Storm Lab

The text

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

235 
WUUS1 KBUF 241555 RRA
SVRBUF
NYC045-241725-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
1152 AM EDT MON AUG 24 1998

THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A

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

* UNTIL 125 PM EDT

* AT 1150 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM 20 MILES NORTH OF KINGSTON ONTARIO...MOVING
  EAST SOUTHEAST 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ALEXANDRIA BAY AT 1210 PM EDT
  CLAYTON AT 1215 PM EDT
  FT DRUM 1220 PM EDT

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
Aug 23, 8:10 PM EDTSevere Thunderstorm WarningBUFOswego60 min
Aug 23, 9:45 PM EDTSevere Thunderstorm WarningBUFOswego60 min
Aug 24, 5:37 AM EDTSevere Thunderstorm WarningBUFMonroe63 min
Aug 24, 6:58 AM EDTSevere Thunderstorm WarningBUFOntario67 min
Aug 24, 9:17 AM EDTSevere Thunderstorm WarningBUFChautauqua78 min
Aug 24, 10:15 AM EDTSevere Thunderstorm WarningBUFCattaraugus65 min
Aug 24, 10:42 AM EDTSevere Thunderstorm WarningBUFAllegany63 min
Aug 24, 4:20 PM EDTSevere Thunderstorm WarningBUFJefferson60 min
Aug 24, 5:44 PM EDTSevere Thunderstorm WarningBUFCayuga, Oswego61 min
Aug 24, 6:44 PM EDTSevere Thunderstorm WarningBUFWayne61 min
Aug 24, 6:52 PM EDTSevere Thunderstorm WarningBUFCayuga, Oswego63 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.