Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Buffalo, NY

February 6, 2021Erie County, New York

NWS Buffalo, NY issued this special weather statement at Feb 6, 2021, 4:45 AM EST for Erie County, New York. It was in force for 90 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: Feb 6, 2021, 4:45 AM EST (09:45 UTC)
Expired: Feb 6, 2021, 6:15 AM EST
In force: 90 min
Issued by: NWS Buffalo, NY

County Erie County, NY

The radar

The Buffalo radar (KBUF), 25 km from the middle of the area, began a volume at 09:45 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 00:00Z, 9.8 hours before the alert went out and 22 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: 1 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 901 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 95 m²/s²
0-3 km storm-relative helicity: 129 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

898 
WWUS81 KBUF 060945
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
445 AM EST Sat Feb 6 2021

NYZ010>012-085-061115-
Southern Erie-Wyoming-Genesee-Northern Erie-
445 AM EST Sat Feb 6 2021

...A BAND OF LAKE EFFECT SNOW WILL AFFECT NORTHWESTERN WYOMING...
CENTRAL ERIE AND SOUTHERN GENESEE COUNTIES...

At 440 AM EST, a narrow band of lake effect snow producing snow fall 
rates of up to 1 per hour extended from Eden and East Aurora to 
Attica and Le Roy. This band will remain nearly stationary through 
daybreak. 

Winds in excess of 35 mph are possible with this band of lake effect 
snow creating blowing and drifting snow along with very low 
visibility.

Locations impacted include...
Batavia, Hamburg, East Aurora, Darien Lakes State Park, Evans, Eden,
Marilla, Le Roy, Bennington, Orchard Park, Attica, Angola, North
Collins, Derby, Wales Center, Evangola State Park, Angola on the
Lake, North Boston, Billington Heights and Elma Center.

 This includes Interstate 90 near exit 57A.
 
Conditions can deteriorate rapidly in winter weather situations. Be
prepared for snow or ice covered roads. Slow down and allow extra
time when traveling.

LAT...LON 4264 7912 4305 7800 4295 7791 4294 7793
      4292 7794 4253 7902 4254 7908 4257 7911

$$

TMA

The office that day

Everything else NWS Buffalo, NY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 6, 4:55 AM EST	Special Weather Statement	BUF	Jefferson	50 min
Feb 6, 8:34 AM EST	Special Weather Statement	BUF	Erie, Genesee	86 min
Feb 6, 10:17 AM EST	Special Weather Statement	BUF	Genesee	88 min
Feb 6, 4:41 PM EST	Special Weather Statement	BUF	Jefferson	49 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.