Alert archive / New York / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 22, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at May 21, 2004, 2:25 AM EDT for Cattaraugus County, Chautauqua County, New York. It was in force for 50 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
- May 21, 2004, 2:25 AM EDT (06:25 UTC)
- Expired
- May 21, 2004, 3:15 AM EDT
- In force
- 50 min
- Issued by
- NWS Buffalo, NY
- Area
- Counties, with a storm outline in the text
Counties Cattaraugus County, NY, Chautauqua County, NY
The radar
The Buffalo radar (KBUF), 114 km from the middle of the area, began a volume at 06:26 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 00:00Z, 6.4 hours before the alert went out and 114 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
- 1163 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 875 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 284 m²/s²
- 0-3 km storm-relative helicity
- 339 m²/s²
- Significant tornado parameter
- 2.2
- Supercell composite
- 9.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS51 KBUF 210625 SVRBUF NYC009-013-210715- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BUFFALO NY 225 AM EDT FRI MAY 21 2004 THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CATTARAUGUS COUNTY IN WESTERN NEW YORK CHAUTAUQUA COUNTY IN WESTERN NEW YORK * UNTIL 315 AM EDT * AT 215 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING LARGE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 5 MILES WEST OF FINDLEY LAKE...OR ABOUT 10 MILES EAST OF NORTHWEST HARBORCREEK...AND WAS MOVING EAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... SHERMAN AT 230 AM EDT... PANAMA AT 245 AM EDT... LAKEWOOD AT 300 AM EDT... FREWSBURG AT 315 AM 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 4225 7978 4208 7987 4183 7909 4207 7898 $$ APB
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 20, 8:29 PM EDT | Severe Thunderstorm Warning | BUF | Genesee | 31 min |
| May 20, 8:40 PM EDT | Severe Thunderstorm Warning | BUF | Livingston | 65 min |
| May 21, 12:56 AM EDT | Flash Flood Warning | BUF | Allegany | 2 hr |
| May 21, 2:28 AM EDT | Severe Thunderstorm Warning | BUF | Chautauqua | 47 min |
| May 21, 5:45 AM EDT | Flash Flood Warning | BUF | Chautauqua | 3 hr |
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.