Alert archive / New York / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 8, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Apr 18, 2004, 1:03 PM EDT for Allegany County, New York. It was in force for 42 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
- Apr 18, 2004, 1:03 PM EDT (17:03 UTC)
- Expired
- Apr 18, 2004, 1:45 PM EDT
- In force
- 42 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), 96 km from the middle of the area, began a volume at 17:03 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
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 5.1 hours before the alert went out and 93 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1052 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 151 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
537 WUUS51 KBUF 181703 SVRBUF NYC003-181745- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BUFFALO NY 102 PM EDT SUN APR 18 2004 THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ALLEGANY COUNTY IN WESTERN NEW YORK * UNTIL 145 PM EDT * AT 100 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM DANSVILLE TO 10 MILES WEST OF HORNELL TO 20 MILES NORTHEAST OF OLEAN...AND WERE MOVING EAST AT 20 MPH. * THE SEVERE THUNDERSTORMS WILL BE NEAR... ALFRED AT 120 PM EDT... WHITESVILLE AT 130 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. LAT...LON 4252 7803 4203 7817 4202 7776 4246 7774 $$ RSH
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 18, 10:24 AM EDT | Special Marine Warning | BUF | 51 min | |
| Apr 18, 10:24 AM EDT | Special Marine Warning | BUF | 51 min | |
| Apr 18, 10:24 AM EDT | Special Marine Warning | BUF | 51 min | |
| Apr 18, 10:24 AM EDT | Special Marine Warning | BUF | 51 min | |
| Apr 18, 10:42 AM EDT | Severe Thunderstorm Warning | BUF | Erie, Niagara | 48 min |
| Apr 18, 11:14 AM EDT | Severe Thunderstorm Warning | BUF | Genesee, Orleans | 61 min |
| Apr 18, 11:15 AM EDT | Special Marine Warning | BUF | 60 min | |
| Apr 18, 11:30 AM EDT | Severe Thunderstorm Warning | BUF | Wyoming | 60 min |
| Apr 18, 11:53 AM EDT | Severe Thunderstorm Warning | BUF | Livingston, Monroe | 52 min |
| Apr 18, 12:15 PM EDT | Special Marine Warning | BUF | 60 min | |
| Apr 18, 12:19 PM EDT | Severe Thunderstorm Warning | BUF | Ontario | 56 min |
| Apr 18, 12:34 PM EDT | Severe Thunderstorm Warning | BUF | Wayne | 56 min |
| Apr 18, 12:42 PM EDT | Severe Thunderstorm Warning | BUF | Livingston | 33 min |
| Apr 18, 1:15 PM EDT | Special Marine Warning | BUF | 60 min |
Nearby
Severe Thunderstorm Warnings in New York, 2004Every severe thunderstorm warning in 2004
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.