Alert archive / New York / Special Weather Statements in 2021
Special Weather Statement, NWS Buffalo, NY
NWS Buffalo, NY issued this special weather statement at Jul 14, 2021, 5:03 PM EDT for Ontario County, New York. It was in force for 57 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 14, 2021, 5:03 PM EDT (21:03 UTC)
- Expired
- Jul 14, 2021, 6:00 PM EDT
- In force
- 57 min
- Issued by
- NWS Buffalo, NY
County Ontario County, NY
The radar
The Buffalo radar (KBUF), 107 km from the middle of the area, began a volume at 21:05 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, 9.1 hours before the alert went out and 104 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
- 499 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 622 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.9
The text
As transmitted.
655 WWUS81 KBUF 142103 SPSBUF Special Weather Statement National Weather Service Buffalo NY 503 PM EDT Wed Jul 14 2021 NYZ003-004-014-142200- Ontario-Wayne-Monroe- 503 PM EDT Wed Jul 14 2021 ...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT SOUTHWESTERN WAYNE... SOUTHEASTERN MONROE AND NORTHERN ONTARIO COUNTIES... At 501 PM EDT, an are of strong thunderstorms were clustered over Brighton and moving east at 15 mph. Winds in excess of 40 mph are possible with this storm. Locations impacted include... Rochester, Irondequoit, Canandaigua, East Rochester, Webster, Fairport, Brighton, Ontario, Henrietta, Penfield, Newark, Williamson, Marion, Palmyra, Victor, Honeoye Falls, Clifton Springs, Farmington, Walworth and Mendon. This includes the following highways... Interstate 390 near exit 12. Interstate 90 between exits 45 and 43. If outdoors, consider seeking shelter inside a building. Torrential rainfall is also occurring with this area of storms, and may cause localized flooding. Do not drive your vehicle through flooded roadways. Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. LAT...LON 4298 7765 4320 7765 4327 7711 4287 7709 TIME...MOT...LOC 2101Z 272DEG 14KT 4311 7758 $$ Reynolds
The office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 8:00 PM EDT | Special Marine Warning | BUF | 45 min | |
| Jul 13, 8:04 PM EDT | Areal Flood Warning | BUF | Monroe | 3 hr |
| Jul 13, 8:04 PM EDT | Special Weather Statement | BUF | Jefferson | 41 min |
| Jul 13, 8:16 PM EDT | Special Weather Statement | BUF | Ontario, Wayne | 44 min |
| Jul 13, 8:28 PM EDT | Special Marine Warning | BUF | 2 hr | |
| Jul 13, 8:35 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Oswego, Wayne | 55 min |
| Jul 13, 9:03 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Wayne | 27 min |
| Jul 13, 9:25 PM EDT | Severe Thunderstorm Warning | BUF | Cayuga, Jefferson, Lewis, Oswego | 65 min |
| Jul 13, 9:38 PM EDT | Special Marine Warning | BUF | 82 min | |
| Jul 13, 10:17 PM EDT | Severe Thunderstorm Warning | BUF | Jefferson, Lewis, Oswego | 73 min |
| Jul 14, 4:07 AM EDT | Flash Flood Warning | BUF | Cattaraugus, Chautauqua, Erie | 3 hr |
| Jul 14, 5:45 AM EDT | Special Weather Statement | BUF | Wyoming | 60 min |
| Jul 14, 7:15 AM EDT | Areal Flood Warning | BUF | Allegany, Cattaraugus, Chautauqua, Erie, Wyoming | 3 hr |
| Jul 14, 2:16 PM EDT | Special Weather Statement | BUF | Niagara | 59 min |
| Jul 14, 3:26 PM EDT | Special Weather Statement | BUF | Genesee | 49 min |
Nearby
Special Weather Statements in New York, 2021Every special weather statement in 2021
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.