Alert archive / New York / Special Weather Statements in 2021
Special Weather Statement, NWS Buffalo, NY
NWS Buffalo, NY issued this special weather statement at Aug 1, 2021, 5:14 PM EDT for Ontario County, New York. It was in force for 46 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
- Aug 1, 2021, 5:14 PM EDT (21:14 UTC)
- Expired
- Aug 1, 2021, 6:00 PM EDT
- In force
- 46 min
- Issued by
- NWS Buffalo, NY
County Ontario County, NY
The radar
The Buffalo radar (KBUF), 113 km from the middle of the area, began a volume at 21:14 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, 9.2 hours before the alert went out and 110 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
- 266 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 925 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 118 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
055
WWUS81 KBUF 012114
SPSBUF
Special Weather Statement
National Weather Service Buffalo NY
514 PM EDT Sun Aug 1 2021
NYZ003-014-012200-
Ontario-Monroe-
514 PM EDT Sun Aug 1 2021
...A STRONG THUNDERSTORM WILL AFFECT SOUTHEASTERN MONROE AND
NORTHWESTERN ONTARIO COUNTIES...
At 512 PM EDT, a thunderstorm with torrential downpours was
located over Victor, or 7 miles south of Fairport, moving southeast
at 20 mph. Ponding of water on low lying areas is possible
with this storm.
Winds in excess of 30 mph are possible with this storm.
Locations impacted include...
Canandaigua, Victor, Bloomfield, Farmington, Mendon, East Bloomfield,
Manchester, Shortsville, Cheshire, Fishers, Cottage City and Holcomb.
This includes Interstate 90 between exits 45 and 44.
Do not drive your vehicle through flooded roadways.
LAT...LON 4298 7754 4306 7744 4294 7715 4284 7716
4279 7730
TIME...MOT...LOC 2112Z 304DEG 17KT 4300 7746
$$
ThomasThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 7:30 AM EDT | Special Weather Statement | BUF | Erie | 45 min |
| Aug 1, 9:55 AM EDT | Special Weather Statement | BUF | Livingston | 35 min |
| Aug 1, 10:08 AM EDT | Special Weather Statement | BUF | Chautauqua | 37 min |
| Aug 1, 10:11 AM EDT | Special Weather Statement | BUF | Wyoming | 34 min |
| Aug 1, 10:44 AM EDT | Special Weather Statement | BUF | Chautauqua | 46 min |
| Aug 1, 10:47 AM EDT | Special Weather Statement | BUF | Allegany | 43 min |
| Aug 1, 11:14 AM EDT | Special Weather Statement | BUF | Lewis | 46 min |
| Aug 1, 11:33 AM EDT | Special Weather Statement | BUF | Cattaraugus | 42 min |
| Aug 1, 12:07 PM EDT | Special Marine Warning | BUF | 83 min | |
| Aug 1, 12:18 PM EDT | Special Weather Statement | BUF | Allegany | 42 min |
| Aug 1, 12:42 PM EDT | Severe Thunderstorm Warning | BUF | Allegany | 48 min |
| Aug 1, 1:38 PM EDT | Special Weather Statement | BUF | Allegany | 82 min |
| Aug 1, 3:24 PM EDT | Special Weather Statement | BUF | Jefferson | 81 min |
| Aug 1, 5:34 PM EDT | Special Marine Warning | BUF | 116 min | |
| Aug 1, 6:20 PM EDT | Special Marine Warning | BUF | 85 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.