Alert archive / New York / Special Weather Statements in 2021

Special Weather Statement, NWS Buffalo, NY

December 7, 2021Erie County, New York

NWS Buffalo, NY issued this special weather statement at Dec 7, 2021, 7:14 PM EST for Erie County, New York. It was in force for 91 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
Dec 7, 2021, 7:14 PM EST (00:14 UTC)
Expired
Dec 7, 2021, 8:45 PM EST
In force
91 min
Issued by
NWS Buffalo, NY

County Erie County, NY

The radar

The Buffalo radar (KBUF), 49 km from the middle of the area, began a volume at 00:14 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, 0.2 hours before the alert went out and 49 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 00:00Z on 2021-12-08Temperature 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 00:00Z on 2021-12-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 127 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
815 m above ground
0-6 km bulk shear
80 kt
0-1 km storm-relative helicity
127 m²/s²
0-3 km storm-relative helicity
215 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

946 
WWUS81 KBUF 080014
SPSBUF

Special Weather Statement
National Weather Service Buffalo NY
714 PM EST Tue Dec 7 2021
 
NYZ010-019-085-080145-
Chautauqua NY-Southern Erie NY-Northern Erie NY-
714 PM EST Tue Dec 7 2021

...A LAKE EFFECT SNOW BAND WILL CONTINUE TO AFFECT PARTS OF FAR 
NORTHERN CHAUTAUQUA COUNTY AND SOUTHWESTERN ERIE COUNTY...

HAZARDS...A lake effect snow band which can rapidly reduce 
visibility to less than a quarter of a mile. This lake effect snow 
band is producing heavy snow at the rate over 1 inch per hour.

LOCATION AND MOVEMENT...At 709 PM EST, a band of lake effect snow 
extended from Silver Creek to Eden to Hamburg. The band will 
continue to impact Interstate 90, Route 5 and US Highway 219. The 
heaviest portion of the band on the 90 will be from Silver Creek to 
Hamburg. The band will remain nearly stationary through 8 p.m. and 
then it is expected to weaken as it moves northward late this 
evening.

LOCATIONS IMPACTED INCLUDE...
West Seneca, Dunkirk, Hamburg, East Aurora, Evans, Boston, Eden,
Colden, Orchard Park, Silver Creek, Angola, North Collins, Derby,
Elma Center, Evangola State Park, Angola on the Lake, North Boston,
Billington Heights, Holland and Farnham.

This includes Interstate 90 between exits 58 and 57.
 
SAFETY INFO...
Conditions can deteriorate rapidly in winter weather situations. Be
prepared for snow or ice covered roads. Slow down and allow extra
time to reach your destination.

&&

LAT...LON 4254 7934 4257 7927 4259 7919 4264 7916
      4267 7912 4269 7910 4286 7859 4260 7857
      4253 7900 4254 7903 4254 7906 4252 7906
      4247 7935
TIME...MOT...LOC 0009Z 063DEG 1KT 4262 7903 
$$

Apffel

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 8, 3:29 AM ESTWinter Weather AdvisoryBUFOswego24 hr
Dec 8, 12:39 PM ESTSmall Craft AdvisoryBUF21 hr
Dec 8, 1:20 PM ESTSpecial Weather StatementBUFErie85 min
Dec 8, 2:38 PM ESTSpecial Weather StatementBUFErie82 min
Dec 8, 3:59 PM ESTSpecial Weather StatementBUFChautauqua, Erie61 min
Dec 8, 4:59 PM ESTSpecial Weather StatementBUFChautauqua61 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.