Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Buffalo, NY

August 29, 2021Niagara County, New York

NWS Buffalo, NY issued this special weather statement at Aug 29, 2021, 12:07 PM EDT for Niagara County, New York. It was in force for 53 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, 12:07 PM EDT (16:07 UTC)
Expired: Aug 29, 2021, 1:00 PM EDT
In force: 53 min
Issued by: NWS Buffalo, NY
Hail: 0.00 in
Wind: 40

County Niagara County, NY

The radar

The Buffalo radar (KBUF), 37 km from the middle of the area, began a volume at 16:06 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, 4.1 hours before the alert went out and 40 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 580 J/kg
Mixed-layer CIN: -62 J/kg
Mixed-layer LCL: 993 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: 91 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

311 
WWUS81 KBUF 291607
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
1207 PM EDT Sun Aug 29 2021
 
NYZ001-291700-
Niagara NY-
1207 PM EDT Sun Aug 29 2021

...A strong thunderstorm will impact portions of northern Niagara
County through 100 PM EDT...

A storm near Youngstown was nearly stationary at 1205 p.m. This 
storm will produce heavy rainfall, with localized rainfall amounts 
over an inch and a half possible.

HAZARD...Heavy rain and winds in excess of 40 mph. 

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Heavy rain may cause localized flooding.

Locations impacted include...
Niagara Falls, Lockport, Newfane, Lewiston, Youngstown, Fort Niagara
State Park, Wilson, Cambria Center, Olcott, Ransomville and Model
City.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm and may lead 
to localized flooding. Do not drive your vehicle through flooded 
roadways.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 4332 7903 4339 7871 4322 7859 4309 7906
      4311 7906 4312 7907 4314 7904 4317 7905
      4325 7906 4326 7907 4330 7909
TIME...MOT...LOC 1605Z 253DEG 3KT 4323 7899 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...40 MPH

$$

Apffel

The 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, 1:02 AM EDT	Special Weather Statement	BUF	Jefferson, Lewis	58 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, 12:24 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, 2021 Every 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.