Alert archive / New York / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 56, NWS Buffalo, NY
NWS Buffalo, NY issued this severe thunderstorm warning at Jul 17, 2004, 4:59 PM EDT for Ontario County, New York. It was in force for 61 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
- Jul 17, 2004, 4:59 PM EDT (20:59 UTC)
- Expired
- Jul 17, 2004, 6:00 PM EDT
- In force
- 61 min
- Issued by
- NWS Buffalo, NY
- Area
- Counties, with a storm outline in the text
County Ontario County, NY
The radar
The Buffalo radar (KBUF), 117 km from the middle of the area, began a volume at 21:01 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, 9.0 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
- 131 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 1043 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS51 KBUF 172059 SVRBUF NYC069-172200- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BUFFALO NY 457 PM EDT SAT JUL 17 2004 THE NATIONAL WEATHER SERVICE IN BUFFALO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... ONTARIO COUNTY IN WESTERN NEW YORK * UNTIL 600 PM EDT * AT 451 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS STORM WAS LOCATED 5 MILES NORTHWEST OF CANANDAIGUA...AND WAS MOVING WEST AT 5 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... EAST BLOOMFIELD 515 PM EDT... WEST BLOOMFIELD 530 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. TORRENTIAL RAINS ACCOMPANYING THE THUNDERSTORM COULD RESULT IN POOR DRAINAGE AND ROAD FLOODING. 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 4284 7715 4302 7717 4301 7752 4274 7753 $$ LEVAN
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 4:32 PM EDT | Severe Thunderstorm Warning | BUF | Genesee, Orleans | 58 min |
| Jul 17, 5:23 PM EDT | Severe Thunderstorm Warning | BUF | Niagara | 52 min |
| Jul 17, 6:38 PM EDT | Flash Flood Warning | BUF | Wyoming | 2 hr |
| Jul 17, 7:16 PM EDT | Flash Flood Warning | BUF | Cattaraugus | 119 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.