Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Buffalo, NY

January 26, 20217 counties in New York

NWS Buffalo, NY issued this special weather statement at Jan 26, 2021, 11:32 AM EST for 7 counties in 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
Jan 26, 2021, 11:32 AM EST (16:32 UTC)
Expired
Jan 26, 2021, 12:30 PM EST
In force
58 min
Issued by
NWS Buffalo, NY

Counties Genesee County, NY, Livingston County, NY, Monroe County, NY, Niagara County, NY, Ontario County, NY, Orleans County, NY, Wayne County, NY

The radar

The Buffalo radar (KBUF), 90 km from the middle of the area, began a volume at 16:35 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, 4.5 hours before the alert went out and 88 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-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 2021-01-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 2021-01-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 295 square meters per square second.1939587897117136156Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1005 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
295 m²/s²
0-3 km storm-relative helicity
347 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

916 
WWUS81 KBUF 261632
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
1132 AM EST Tue Jan 26 2021

NYZ001>004-010>014-261730-
Ontario-Livingston-Wyoming-Orleans-Wayne-Genesee-Monroe-Niagara-
Northern Erie-
1132 AM EST Tue Jan 26 2021

...AN AREA OF HEAVY SNOW WILL AFFECT WAYNE...NORTHERN WYOMING...
NORTHEASTERN ERIE...NORTHERN LIVINGSTON...NIAGARA...ORLEANS...
GENESEE...MONROE AND ONTARIO COUNTIES...

At 1130 AM EST, an area of heavy snow was located along a line 
extending from near Buffalo and Niagara Falls to near Canandaigua 
was moving northeast at 35 to 40 mph. This area of heavy snow will 
reduce the visibility to under a quarter mile and produce snow at a 
rate of at least an inch an hour. While the heavy snow will only 
last 60 to 90 minutes at any given location...this will be enough to 
cover most roadways. 

Locations impacted include...
Buffalo, Rochester, Greece, Cheektowaga, Irondequoit, North
Tonawanda, Clarence, Chili, Lockport, Batavia, Kenmore, Depew,
Amherst, Tonawanda, Geneva, Canandaigua, Lancaster, Brockport,
Geneseo and East Rochester.

 This includes the following highways...
 Interstate 390 between exits 7 and 12.
 Interstate 90 between exits 52 and 42.

Visibilities will drop quickly to less than a quarter of a mile in
this area of heavy snow.

LAT...LON 4339 7872 4342 7808 4339 7775 4328 7754
      4333 7717 4331 7697 4338 7674 4302 7686
      4301 7696 4276 7697 4276 7731 4265 7737
      4292 7890 4334 7892

$$

RSH

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.