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 21, 2021, 6:55 PM EDT for Cattaraugus County, New York. It was in force for 50 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 21, 2021, 6:55 PM EDT (22:55 UTC)
- Expired
- Aug 21, 2021, 7:45 PM EDT
- In force
- 50 min
- Issued by
- NWS Buffalo, NY
- Hail
- 0.00 in
- Wind
- 30
County Cattaraugus County, NY
The radar
The Buffalo radar (KBUF), 69 km from the middle of the area, began a volume at 22:59 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, 10.9 hours before the alert went out and 68 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
- 2 J/kg
- Mixed-layer CIN
- -203 J/kg
- Mixed-layer LCL
- 1298 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
752
WWUS81 KBUF 212255
SPSBUF
Special Weather Statement
National Weather Service Buffalo NY
655 PM EDT Sat Aug 21 2021
NYZ020-212345-
Cattaraugus NY-
655 PM EDT Sat Aug 21 2021
...A strong thunderstorm will impact portions of northern Cattaraugus
County through 745 PM EDT...
At 653 PM EDT, Doppler radar was tracking a strong thunderstorm 10
miles northwest of Salamanca, moving northeast at 15 mph.
HAZARD...Winds in excess of 30 mph.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Ashford, Ashford Hollow, New Albion, Dayton, Little Valley, Delevan,
East Otto, Cattaraugus, Otto, Ellicottville, Lime Lake-Machias,
Cattaraugus County Landfill and West Valley.
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. Doppler radar has already estimated that over
an inch of rain has fallen, and another half to one inch is
possible. Some of the heavy rain is falling over areas that received
significant rainfall a couple days ago. Do not drive your vehicle
through flooded roadways.
&&
LAT...LON 4218 7900 4242 7901 4251 7848 4234 7848
TIME...MOT...LOC 2253Z 243DEG 13KT 4228 7884
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH
$$
RSHThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 1:31 PM EDT | Special Weather Statement | BUF | Jefferson | 44 min |
| Aug 21, 2:18 PM EDT | Special Weather Statement | BUF | Jefferson, Lewis | 57 min |
| Aug 21, 3:09 PM EDT | Special Weather Statement | BUF | Jefferson | 66 min |
| Aug 21, 3:13 PM EDT | Special Marine Warning | BUF | 47 min | |
| Aug 21, 5:21 PM EDT | Special Weather Statement | BUF | Chautauqua | 54 min |
| Aug 21, 6:00 PM EDT | Flash Flood Warning | BUF | Cattaraugus, Chautauqua | 4 hr |
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.