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 17, 2021, 4:48 PM EDT for Cayuga County, New York. It was in force for 42 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 17, 2021, 4:48 PM EDT (20:48 UTC)
- Expired
- Aug 17, 2021, 5:30 PM EDT
- In force
- 42 min
- Issued by
- NWS Buffalo, NY
- Hail
- 0.00 in
- Wind
- 40
County Cayuga County, NY
The radar
The Ft Drum radar (KTYX), 99 km from the middle of the area, began a volume at 20:50 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, 8.8 hours before the alert went out and 175 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
- 418 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 603 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
725
WWUS81 KBUF 172048
SPSBUF
Special Weather Statement
National Weather Service Buffalo NY
448 PM EDT Tue Aug 17 2021
NYZ004>006-172130-
Oswego NY-Wayne NY-Northern Cayuga NY-
448 PM EDT Tue Aug 17 2021
...A strong thunderstorm will impact portions of southeastern Wayne,
Cayuga and southwestern Oswego Counties through 530 PM EDT...
At 447 PM EDT, Doppler radar was tracking a strong thunderstorm near
Montezuma, or 8 miles north of Seneca Falls, moving east at 20 mph.
HAZARD...Winds in excess of 40 mph. Torrential rain.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Clyde, Weedsport, Cato, Rose, Ira, Conquest, Savannah, Port Byron,
Meridian, South Hannibal and South Butler.
This includes Interstate 90 near exit 40.
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.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
LAT...LON 4323 7648 4315 7647 4314 7649 4311 7647
4311 7649 4310 7650 4303 7650 4303 7671
4302 7688 4316 7691 4332 7653 4323 7643
TIME...MOT...LOC 2047Z 264DEG 18KT 4304 7678
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH
$$
HSKThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 8:01 AM EDT | Special Weather Statement | BUF | Jefferson | 74 min |
| Aug 17, 2:59 PM EDT | Flash Flood Watch | BUF | Allegany, Cattaraugus, Cayuga, Lewis, Livingston, Ontario and 2 more | 41 hr |
| Aug 17, 3:08 PM EDT | Special Weather Statement | BUF | Monroe | 37 min |
| Aug 17, 3:54 PM EDT | Special Weather Statement | BUF | Wayne | 66 min |
| Aug 17, 4:17 PM EDT | Flash Flood Warning | BUF | Cayuga, Ontario, Wayne | 86 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.