Alert archive / New York / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 56, NWS Buffalo, NY

July 22, 2002Jefferson County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jul 22, 2002, 6:34 PM EDT for Jefferson County, New York. It was in force for 26 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 22, 2002, 6:34 PM EDT (22:34 UTC)
Expired
Jul 22, 2002, 7:00 PM EDT
In force
26 min
Issued by
NWS Buffalo, NY
Area
Counties, with a storm outline in the text

County Jefferson County, NY

What was reported inside it

TimeReportWhereRemark
Jul 22, 6:40 PM EDTThunderstorm Wind 50 ENorth Wilna, 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

Albany, NY (KALY), launched 12:00Z, 10.6 hours before the alert went out and 222 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 2002-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 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 2002-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 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
12 J/kg
Mixed-layer CIN
-117 J/kg
Mixed-layer LCL
633 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
25 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.

609 
WUUS51 KBUF 222234
SVRBUF
NYC045-222300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
633 PM EDT MON JUL 22 2002

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

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

* UNTIL 700 PM EDT

* AT 618 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS FROM 9 MILES NORTHEAST OF FORT DRUM TO
  15 MILES SOUTHEAST OF WATERTOWN...MOVING EAST AT 35 MPH.

CARTHAGE AND ANTWERP ARE IN THE PATH OF THIS LINE OF STORMS.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN BUFFALO.

LAT...LON 4422 7581 4385 7591 4402 7557 4428 7565

NIZIOL

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 8:52 AM EDTSpecial Marine WarningBUF38 min
Jul 22, 3:08 PM EDTSpecial Marine WarningBUF52 min
Jul 22, 3:55 PM EDTSevere Thunderstorm WarningBUFOntario, Wayne50 min
Jul 22, 4:05 PM EDTSpecial Marine WarningBUF85 min
Jul 22, 4:48 PM EDTSevere Thunderstorm WarningBUFOntario42 min
Jul 22, 5:14 PM EDTSpecial Marine WarningBUF61 min
Jul 22, 5:23 PM EDTSpecial Marine WarningBUF97 min
Jul 22, 5:40 PM EDTSevere Thunderstorm WarningBUFCattaraugus, Chautauqua65 min
Jul 22, 5:45 PM EDTSevere Thunderstorm WarningBUFJefferson45 min
Jul 22, 5:56 PM EDTSevere Thunderstorm WarningBUFOswego34 min
Jul 22, 6:03 PM EDTSevere Thunderstorm WarningBUFLewis57 min
Jul 22, 6:59 PM EDTSevere Thunderstorm WarningBUFLewis31 min

Nearby

Severe Thunderstorm Warnings in New York, 2002Every severe thunderstorm warning in 2002

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.