Alert archive / New York / Special Weather Statements in 2017

Special Weather Statement, NWS Buffalo, NY

December 10, 2017Oswego County, New York

NWS Buffalo, NY issued this special weather statement at Dec 10, 2017, 10:14 AM EST for Oswego County, New York. It was in force for 61 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 10, 2017, 10:14 AM EST (15:14 UTC)
Expired
Dec 10, 2017, 11:15 AM EST
In force
61 min
Issued by
NWS Buffalo, NY

County Oswego County, NY

The radar

The Ft Drum radar (KTYX), 37 km from the middle of the area, began a volume at 15:17 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

Albany, NY (KALY), launched 12:00Z, 3.2 hours before the alert went out and 193 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, Albany, NY at 12:00Z on 2017-12-10Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Albany, NY at 12:00Z on 2017-12-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 square meters per square second.1939587897Sfc1 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
903 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Dec 10, 8:55 AM EST, 1 hour 19 minutes earlier.

Area forecast discussion, Dec 10, 8:55 AM EST, 1 hour 19 minutes before
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Hazardous weather outlook, Dec 10, 5:29 AM EST, 4 hours 45 minutes before
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      <div class="status" id="status">Temporary Notice</div>
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In the hours before

Local storm report, Dec 10, 9:25 AM EST, 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BUFFALO NY
925 AM EST SUN DEC 10 2017

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

0600 AM     SNOW             5 ESE OSWEGO            43.44N  76.41W
12/10/2017  M3.6 INCH        OSWEGO             NY   COCORAHS

            24-HOUR SNOWFALL.

0700 AM     SNOW             WALES                   42.74N  78.51W
12/10/2017  M3.6 INCH        ERIE               NY   CO-OP OBSERVER

            24-HOUR SNOWFALL.

&&

EVENT NUMBER BUF1701689
EVENT NUMBER BUF1701690

SJW
Special weather statement, Dec 10, 10:14 AM EST, 0 minutes before
Special Weather Statement
National Weather Service Buffalo NY
1014 AM EST SUN DEC 10 2017

NYZ006>008-101615-
Jefferson-Oswego-Lewis-
1014 AM EST SUN DEC 10 2017

...A BAND OF LAKE EFFECT SNOW WILL AFFECT SOUTH CENTRAL JEFFERSON...
SOUTHWESTERN LEWIS AND OSWEGO COUNTIES...

At 1013 AM EST, A band of lake effect snow producing snow fall rates
of up to 1 inch per hour along a line extending from Oswego to
Parish to Osceola.

Locations impacted include...
Oswego, Sandy Island Beach State Park, Pulaski, Redfield, Selkirk
Shores State Park, Highmarket, Mexico Point State Park, Nine Mile
Point, Whetstone Gulf State Park and Hastings.

This includes Interstate 81 between exits 33 and 40.

Visibilities at times will drop to a quarter of a mile in this band
of lake effect snow.

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 4344 7548 4342 7554 4348 7581 4333 7589
      4332 7586 4330 7587 4328 7605 4346 7663
      4356 7645 4357 7628 4369 7626 4375 7628
      4372 7543

Welch

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 9, 10:28 PM ESTSpecial Weather StatementBUFErie62 min
Dec 10, 4:09 AM ESTWinter Weather AdvisoryBUFErie, Genesee7 hr
Dec 10, 11:17 AM ESTSpecial Weather StatementBUFLewis58 min
Dec 10, 11:23 AM ESTSpecial Weather StatementBUFErie, Wyoming82 min
Dec 10, 12:15 PM ESTSpecial Weather StatementBUFJefferson, Lewis60 min
Dec 10, 12:50 PM ESTSpecial Weather StatementBUFErie, Genesee, Wyoming55 min
Dec 10, 1:21 PM ESTSpecial Weather StatementBUFLewis84 min
Dec 10, 1:55 PM ESTSpecial Weather StatementBUFErie, Genesee95 min
Dec 10, 2:49 PM ESTSpecial Weather StatementBUFLewis, Oswego86 min
Dec 10, 3:45 PM ESTWinter Weather AdvisoryBUFLivingston, Monroe9 hr
Dec 10, 4:01 PM ESTSpecial Weather StatementBUFErie, Genesee119 min
Dec 10, 4:08 PM ESTSpecial Weather StatementBUFJefferson, Lewis112 min
Dec 10, 5:59 PM ESTSpecial Weather StatementBUFErie2 hr
Dec 10, 6:05 PM ESTSpecial Weather StatementBUFLewis115 min

Nearby

Special Weather Statements in New York, 2017Every special weather statement in 2017

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.