Alert archive / New York / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 76, NWS Buffalo, NY

June 26, 1998Jefferson County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 26, 1998, 1:40 AM EDT for Jefferson County, New York. It was in force for 65 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, 1:40 AM EDT (05:40 UTC)
Expired
Jun 26, 1998, 2:45 AM EDT
In force
65 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 05:39 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 watch it was issued in

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

IssuedProductOfficeLasted
Jun 26, 1:15 AM EDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Albany, NY (KALY), launched 00:00Z, 5.7 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 1998-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2224 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 00:00Z on 1998-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 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
2224 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
1105 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
230 m²/s²
Significant tornado parameter
2.0
Supercell composite
10.2

Open this sounding in Storm Lab

The text

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

050 
WUUS1 KBUF 260541 RRA
SVRBUF
NYC045-NYZ526-527-260645-

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

THE NATIONAL WEATHER SERVICE IN BUFFALO NY HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  JEFFERSON COUNTY INCLUDING ADJACENT COASTAL WATERS IN CENTRAL NEW
  YORK

* UNTIL 245 AM EDT

* AT 140 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A SEVERE THUNDERSTORM 20 MILES WEST OF WATERTOWN...MOVING EAST AT
  30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  WATERTOWN BETWEEN 200 AND 215 AM 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.

TAN

The office that day

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

IssuedProductOfficeCountiesLasted
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
Jun 26, 8:30 AM EDTSevere Thunderstorm WarningBUFLivingston, Monroe50 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.