Alert archive / New York / Winter Storm Watches in 2019

Winter Storm Watch 5, NWS Buffalo, NY

January 27, 20196 counties in New York

NWS Buffalo, NY issued this winter storm watch at Jan 27, 2019, 1:58 PM EST for 6 counties in New York. It took effect at Jan 28, 2019, 10:00 PM EST. It was in force for .

The area

The counties it named.

The facts

Issued: Jan 27, 2019, 1:58 PM EST (18:58 UTC)
In effect from: Jan 28, 2019, 10:00 PM EST
Expired: Jan 28, 2019, 2:24 PM EST
In force
Issued by: NWS Buffalo, NY

Counties Erie County, NY, Genesee County, NY, Jefferson County, NY, Lewis County, NY, Oswego County, NY, Wyoming County, NY

The radar

The Ft Drum radar (KTYX), 130 km from the middle of the area, began a volume at 19:00 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, 7.0 hours before the alert went out and 132 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: 2 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 574 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 79 m²/s²
0-3 km storm-relative helicity: 133 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Buffalo, NY wrote its last area forecast discussion before this winter storm watch went out at Jan 27, 1:22 PM EST, 36 minutes earlier.

Area forecast discussion, Jan 27, 1:22 PM EST, 36 minutes before

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Hazardous weather outlook, Jan 27, 10:54 AM EST, 3 hours 4 minutes before

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In the hours before

Special weather statement, Jan 27, 8:40 AM EST, 5 hours 18 minutes before

Special Weather Statement
National Weather Service Buffalo NY
840 AM EST Sun Jan 27 2019

NYZ005>008-271700-
Northern Cayuga-Oswego-Jefferson-Lewis-
Including the cities of Fair Haven, Oswego, Watertown,
and Lowville
840 AM EST Sun Jan 27 2019

...Areas of blowing and drifting snow expected across the Eastern
Lake Ontario region this morning...

Gusty, southwest winds will move into the Eastern Lake Ontario
region behind a cold front this morning. Ongoing heavy snow and
gusty winds will produce areas of blowing and drifting snow.
Prepare for sudden reductions in visibilities of a few hundred
feet or less. The worst conditions will be near open spaces.

Motorists should use extreme caution when traveling through the
region.

HSK

Local storm report, Jan 27, 10:00 AM EST, 3 hours 58 minutes before

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Special weather statement, Jan 27, 11:40 AM EST, 2 hours 18 minutes before

Special Weather Statement
National Weather Service Buffalo NY
1140 AM EST SUN JAN 27 2019

NYZ010>013-019-020-085-271730-
Chautauqua-Cattaraugus-Livingston-Southern
Erie-Wyoming-Genesee-Northern Erie-
1140 AM EST SUN JAN 27 2019

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

At 1133 AM EST, A band of lake effect snow producing snow fall rates
of 1 to 2 inches per hour was located along the Lake Erie shore from
Westfield to Silver Creek. This band extends inland across the
Southtowns as well as southern Genesee and northwestern Wyoming
counties. This band of heavy snow will slowly drift southward as it
weakens into early afternoon.

Winds in excess of 30 mph are possible with this band of lake effect
snow.

Locations impacted include...
West Seneca, Batavia, Dunkirk, Fredonia, Hamburg, East Aurora, Darien
Lakes State Park, Letchworth State Park, Evans, Boston, Eden,
Marilla, Le Roy, Springville, Perry, Warsaw, Bennington, Colden,
Orchard Park and Westfield.

This includes the following highways...
 Interstate 390 near exit 7.
 Interstate 90 between exits 61 and 57.
 Interstate 86 between exits 4 and 6.

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 4244 7950 4253 7939 4259 7919 4265 7915
      4307 7805 4270 7780 4208 7976 4227 7976
      4228 7973 4231 7977

HSK

Local storm report, Jan 27, 12:53 PM EST, 1 hour 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BUFFALO NY
1253 PM EST SUN JAN 27 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1251 PM     SNOW             PERRYSBURG              42.46N  79.00W
01/27/2019  M7.5 INCH        CATTARAUGUS        NY   CO-OP OBSERVER

            STORM TOTAL FROM 5AM TO 12PM.

&&

EVENT NUMBER BUF1900526

AR

Local storm report, Jan 27, 1:57 PM EST, 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BUFFALO NY
157 PM EST SUN JAN 27 2019

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0700 AM     SNOW             PAVILION 2              42.87N  77.99W
01/27/2019  M6.0 INCH        GENESEE            NY   CO-OP OBSERVER

            24-HOUR SNOWFALL.

1000 AM     SNOW             2 ENE COLDEN            42.65N  78.61W
01/27/2019  M4.8 INCH        ERIE               NY   COCORAHS

            24-HOUR SNOWFALL.

0130 PM     SNOW             3 NE BOSTON             42.66N  78.70W
01/27/2019  M31.3 INCH       ERIE               NY   COCORAHS

            STORM TOTAL SINCE 4 AM JAN 24TH

&&

EVENT NUMBER BUF1900527
EVENT NUMBER BUF1900528
EVENT NUMBER BUF1900529

DPK

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 27, 5:59 AM EST	Special Weather Statement	BUF	Cattaraugus, Chautauqua, Erie, Genesee, Niagara, Orleans and 1 more	61 min
Jan 27, 6:33 AM EST	Snow Squall Warning	BUF	Allegany, Cattaraugus, Chautauqua, Erie, Genesee, Livingston and 4 more	57 min
Jan 27, 7:18 AM EST	Lakeshore Flood Advisory	BUF	Chautauqua, Erie	3 hr
Jan 27, 7:18 AM EST	Snow Squall Warning	BUF	Allegany, Cattaraugus, Genesee, Livingston, Monroe, Ontario and 2 more	57 min
Jan 27, 8:05 AM EST	Snow Squall Warning	BUF	Allegany, Cayuga, Livingston, Monroe, Ontario, Oswego and 1 more	55 min
Jan 27, 8:40 AM EST	Flash Flood Warning	BUF	Erie, Niagara	7 hr
Jan 27, 11:40 AM EST	Special Weather Statement	BUF	Chautauqua, Erie, Genesee, Wyoming	50 min
Jan 27, 4:47 PM EST	Special Weather Statement	BUF	Chautauqua	3 hr

Nearby

Winter Storm Watches in New York, 2019 Every winter storm watch in 2019

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.