Alert archive / New York / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 29, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at May 23, 2004, 2:31 PM EDT for Chautauqua County, New York. It was in force for 44 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 23, 2004, 2:31 PM EDT (18:31 UTC)
- Expired
- May 23, 2004, 3:15 PM EDT
- In force
- 44 min
- Issued by
- NWS Buffalo, NY
- Area
- Counties, with a storm outline in the text
County Chautauqua County, NY
The radar
The Buffalo radar (KBUF), 99 km from the middle of the area, began a volume at 18:33 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
Pittsburgh, PA (KPIT), launched 12:00Z, 6.5 hours before the alert went out and 212 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
- 1054 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 810 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 109 m²/s²
- 0-3 km storm-relative helicity
- 131 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.9
The text
As transmitted, in the capitals the NWS used until 2016.
594 WUUS51 KBUF 231831 SVRBUF NYC013-231915- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BUFFALO NY 231 PM EDT SUN MAY 23 2004 THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CHAUTAUQUA COUNTY IN WESTERN NEW YORK * UNTIL 315 PM EDT * AT 228 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS STORM WAS LOCATED 7 MILES WEST OF MAYVILLE...OR ABOUT 19 MILES EAST OF NORTHWEST HARBORCREEK...AND WAS MOVING EAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... MAYVILLE AT 245 PM EDT... CHAUTAUQUA INSTITUTE AT 250 PM EDT... SINCLAIRVILLE AT 315 PM EDT... IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. 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 4230 7976 4212 7973 4214 7913 4248 7919 $$ OHARA
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 22, 8:45 PM EDT | Severe Thunderstorm Warning | BUF | Ontario | 60 min |
| May 22, 10:02 PM EDT | Flash Flood Warning | BUF | Livingston, Ontario | 4 hr |
| May 22, 10:11 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Livingston, Monroe | 49 min |
| May 23, 12:20 AM EDT | Flash Flood Warning | BUF | Allegany, Cattaraugus | 4 hr |
| May 23, 5:53 AM EDT | Flash Flood Warning | BUF | Cattaraugus | 2 hr |
| May 23, 6:26 AM EDT | Flash Flood Warning | BUF | Chautauqua, Erie | 3 hr |
| May 23, 3:25 PM EDT | Severe Thunderstorm Warning | BUF | Cattaraugus, Chautauqua | 65 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.