Alert archive / New York / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 43, NWS Buffalo, NY

June 27, 2002Allegany County, New York

NWS Buffalo, NY issued this severe thunderstorm warning at Jun 27, 2002, 2:15 PM EDT for Allegany County, New York. It was in force for 30 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 27, 2002, 2:15 PM EDT (18:15 UTC)
Expired
Jun 27, 2002, 2:45 PM EDT
In force
30 min
Issued by
NWS Buffalo, NY
Area
Counties, with a storm outline in the text

County Allegany County, NY

The radar

The Buffalo radar (KBUF), 115 km from the middle of the area, began a volume at 18:18 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 27, 1:30 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.3 hours before the alert went out and 112 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 2002-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 551 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 2002-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.193958Sfc1 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
551 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
927 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
110 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

000 
WUUS51 KBUF 271815
SVRBUF
NYC003-271845-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BUFFALO NY
215 PM EDT THU JUN 27 2002

THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  ALLEGANY COUNTY IN WESTERN NEW YORK

* UNTIL 245 PM EDT

* AT 213 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A LINE OF SEVERE THUNDERSTORMS FROM 8 MILES SOUTH OF DANSVILLE   
  TO 9 MILES SOUTHWEST OF WELLSVILLE...MOVING EAST AT 30 MPH.

* THE SEVERE THUNDERSTORMS WILL BE NEAR...
  WHITESVILLE AT 240 PM EDT...

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM EDT 
THURSDAY EVENING FOR WESTERN NEW YORK...INCLUDING ALLEGANY COUNTY.

LAT...LON 4253 7773 4225 7790 4218 7796 4197 7828
          4198 7768 4219 7736 4225 7729 4253 7713

DJF

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 27, 12:10 PM EDTSpecial Marine WarningBUF80 min
Jun 27, 12:19 PM EDTSevere Thunderstorm WarningBUFCattaraugus56 min
Jun 27, 12:54 PM EDTSevere Thunderstorm WarningBUFWyoming66 min
Jun 27, 12:56 PM EDTSevere Thunderstorm WarningBUFNiagara64 min
Jun 27, 1:02 PM EDTSevere Thunderstorm WarningBUFAllegany73 min
Jun 27, 1:04 PM EDTTornado WarningBUFCattaraugus56 min
Jun 27, 1:15 PM EDTSpecial Marine WarningBUF105 min
Jun 27, 1:15 PM EDTSpecial Marine WarningBUF105 min
Jun 27, 1:27 PM EDTSevere Thunderstorm WarningBUFOrleans63 min
Jun 27, 1:37 PM EDTSevere Thunderstorm WarningBUFCayuga, Oswego53 min
Jun 27, 1:40 PM EDTSpecial Marine WarningBUF2 hr
Jun 27, 2:01 PM EDTSevere Thunderstorm WarningBUFMonroe59 min
Jun 27, 2:04 PM EDTSevere Thunderstorm WarningBUFNiagara56 min
Jun 27, 2:09 PM EDTSevere Thunderstorm WarningBUFChautauqua51 min
Jun 27, 2:26 PM EDTSevere Thunderstorm WarningBUFLewis, Oswego64 min
Jun 27, 2:38 PM EDTSpecial Marine WarningBUF112 min
Jun 27, 2:55 PM EDTSevere Thunderstorm WarningBUFJefferson65 min
Jun 27, 2:56 PM EDTSevere Thunderstorm WarningBUFCattaraugus34 min
Jun 27, 3:30 PM EDTSevere Thunderstorm WarningBUFLewis, Oswego60 min
Jun 27, 5:27 PM EDTSpecial Marine WarningBUF93 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.