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 29, 2021, 1:02 AM EDT for Jefferson County, Lewis County, New York. It was in force for 58 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 29, 2021, 1:02 AM EDT (05:02 UTC)
- Expired
- Aug 29, 2021, 2:00 AM EDT
- In force
- 58 min
- Issued by
- NWS Buffalo, NY
- Hail
- 0.00 in
- Wind
- 30
Counties Jefferson County, NY, Lewis County, NY
The radar
The Ft Drum radar (KTYX), 25 km from the middle of the area, began a volume at 05:05 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
Albany, NY (KALY), launched 00:00Z, 5.0 hours before the alert went out and 216 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
- 722 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 226 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
366
WWUS81 KBUF 290502
SPSBUF
Special Weather Statement
National Weather Service Buffalo NY
102 AM EDT Sun Aug 29 2021
NYZ007-008-290600-
Jefferson NY-Lewis NY-
102 AM EDT Sun Aug 29 2021
...A strong thunderstorm will impact portions of southern Jefferson
and central Lewis Counties through 200 AM EDT...
At 1259 AM EDT, Doppler radar was tracking an area of showers and
thunderstorms across much of southern and central Jefferson County,
moving east at 25 mph.
HAZARD...Winds in excess of 30 mph and torrential downpours.
SOURCE...Radar indicated.
IMPACT...Gusty winds could blow around unsecured objects. Torrential
downpours will result in minor flooding in poor drainage
areas.
Locations impacted include...
Watertown, Fort Drum, Carthage, Adams, Dexter, Southwick Beach State
Park, Henderson Harbor, Barnes Corners, Denmark, Copenhagen, Sackets
Harbor, and Henderson.
This includes Interstate 81 between exits 40 and 48.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
&&
LAT...LON 4368 7543 4373 7628 4378 7629 4391 7630
4392 7628 4392 7630 4406 7630 4416 7548
4395 7531
TIME...MOT...LOC 0459Z 271DEG 20KT 4383 7596
MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH
$$
HitchcockThe office that day
Everything else NWS Buffalo, NY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 9:06 PM EDT | Special Weather Statement | BUF | Livingston | 54 min |
| Aug 29, 12:04 AM EDT | Special Weather Statement | BUF | Jefferson | 56 min |
| Aug 29, 2:04 AM EDT | Special Weather Statement | BUF | Jefferson | 3 hr |
| Aug 29, 12:03 PM EDT | Special Marine Warning | BUF | 57 min | |
| Aug 29, 12:07 PM EDT | Special Weather Statement | BUF | Niagara | 53 min |
| Aug 29, 12:24 PM EDT | Special Weather Statement | BUF | Chautauqua | 66 min |
| Aug 29, 12:47 PM EDT | Flash Flood Warning | BUF | Niagara | 3 hr |
| Aug 29, 1:55 PM EDT | Special Weather Statement | BUF | Seneca | 35 min |
| Aug 29, 2:04 PM EDT | Special Weather Statement | BUF | Ontario | 41 min |
| Aug 29, 2:11 PM EDT | Severe Thunderstorm Warning | BUF | Livingston, Monroe, Ontario, Wayne | 64 min |
| Aug 29, 2:30 PM EDT | Special Weather Statement | BUF | Ontario, Wayne | 60 min |
| Aug 29, 3:25 PM EDT | Severe Thunderstorm Warning | BUF | Ontario | 20 min |
| Aug 29, 3:38 PM EDT | Severe Thunderstorm Warning | BUF | Ontario | 10 min |
| Aug 29, 3:57 PM EDT | Special Marine Warning | BUF | 62 min | |
| Aug 29, 5:29 PM EDT | Special Weather Statement | BUF | Ontario | 31 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.