Alert archive / New York / Special Weather Statements in 2021
Special Weather Statement, NWS Buffalo, NY
NWS Buffalo, NY issued this special weather statement at Jan 20, 2021, 8:01 AM EST for Genesee County, Ontario County, New York. It was in force for 59 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
- Jan 20, 2021, 8:01 AM EST (13:01 UTC)
- Expired
- Jan 20, 2021, 9:00 AM EST
- In force
- 59 min
- Issued by
- NWS Buffalo, NY
Counties Genesee County, NY, Ontario County, NY
The radar
The Buffalo radar (KBUF), 59 km from the middle of the area, began a volume at 13:03 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, 1.0 hours before the alert went out and 56 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 839 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
020
WWUS81 KBUF 201301
SPSBUF
Special Weather Statement
National Weather Service Buffalo NY
801 AM EST Wed Jan 20 2021
NYZ003-004-011>014-201400-
Ontario-Livingston-Wyoming-Wayne-Genesee-Monroe-
801 AM EST Wed Jan 20 2021
...A SNOW SQUALL WILL AFFECT SOUTHWESTERN WAYNE...NORTHERN WYOMING...
NORTHERN LIVINGSTON...GENESEE...SOUTHERN MONROE AND NORTHWESTERN
ONTARIO COUNTIES...
At 800 AM EST, a snow squall was located along a line from Corfu to
Batavia to Avon, moving south at 15 mph.
Locations impacted include...
Batavia, Canandaigua, Geneseo, Darien Lakes State Park, Henrietta, Le
Roy, Pembroke, Palmyra, Warsaw, Avon, Bennington, Mount Morris,
Victor, Honeoye Falls, Attica, Pavilion, Bristol, Caledonia, Lima and
Scottsville.
This includes the following highways...
Interstate 390 between exits 8 and 12.
Interstate 90 between exits 48A and 43.
Visibilities will drop quickly to less than a quarter of a mile in
this squall.
Use extra caution if you must travel into or through this dangerous
snow squall. Rapid changes in visibility and potentially slick roads
are likely to lead to accidents. Consider delaying travel until the
squall passes your location.
Conditions can deteriorate rapidly in winter weather situations. Be
prepared for snow or ice covered roads. Slow down and allow extra
time when traveling.
LAT...LON 4274 7846 4278 7846 4278 7849 4287 7849
4287 7846 4306 7846 4308 7719 4276 7719
4276 7731 4274 7733
$$
JLAThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 20, 5:51 AM EST | Special Weather Statement | BUF | Monroe, Orleans, Wayne | 54 min |
| Jan 20, 6:47 AM EST | Special Weather Statement | BUF | Monroe, Orleans, Wayne | 88 min |
| Jan 20, 8:15 AM EST | Special Weather Statement | BUF | Cayuga | 60 min |
| Jan 20, 8:42 AM EST | Special Weather Statement | BUF | Lewis, Oswego | 78 min |
| Jan 20, 9:08 AM EST | Special Weather Statement | BUF | Livingston, Wyoming | 112 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.