Alert archive / New York / Special Weather Statements in 2021
Special Weather Statement, NWS Buffalo, NY
NWS Buffalo, NY issued this special weather statement at Oct 4, 2021, 6:08 PM EDT for Livingston County, New York. It was in force for 52 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
- Oct 4, 2021, 6:08 PM EDT (22:08 UTC)
- Expired
- Oct 4, 2021, 7:00 PM EDT
- In force
- 52 min
- Issued by
- NWS Buffalo, NY
- Hail
- 0.00 in
- Wind
- 30
County Livingston County, NY
The radar
The Buffalo radar (KBUF), 95 km from the middle of the area, began a volume at 22:10 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, 10.1 hours before the alert went out and 91 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
- 353 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 460 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
661
WWUS81 KBUF 042208
SPSBUF
Special Weather Statement
National Weather Service Buffalo NY
608 PM EDT Mon Oct 4 2021
NYZ013-014-042300-
Ontario NY-Livingston NY-
608 PM EDT Mon Oct 4 2021
...A strong thunderstorm with very heavy rain will impact portions
of southeastern Livingston and southwestern Ontario Counties through
700 PM EDT...
At 606 PM EDT, Doppler radar was tracking a strong thunderstorm
with very heavy rain near Dansville, moving east at 10 mph.
HAZARD...Heavy rain.
SOURCE...Radar indicated.
IMPACT...Heavy rainfall could cause localized flooding of low lying
and poor drainage areas.
Locations impacted include...
Dansville, Groveland, Springwater, Ossian, Sonyea, Ossian Center and
Hunt Hollow.
This includes Interstate 390 between exits 4 and 6.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If outdoors, consider seeking shelter inside a building.
Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 4270 7785 4273 7742 4258 7741 4258 7766
4253 7766 4253 7772 4251 7772 4251 7782
TIME...MOT...LOC 2206Z 264DEG 9KT 4261 7773
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...<30 MPH
$$
JJRThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 4, 4:24 PM EDT | Special Weather Statement | BUF | Livingston | 66 min |
| Oct 4, 4:47 PM EDT | Special Weather Statement | BUF | Livingston, Wyoming | 58 min |
| Oct 4, 5:05 PM EDT | Special Weather Statement | BUF | Chautauqua | 55 min |
| Oct 4, 5:27 PM EDT | Flash Flood Warning | BUF | Chautauqua | 2 hr |
| Oct 4, 6:37 PM EDT | Special Weather Statement | BUF | Allegany | 53 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.