Alert archive / New York / Special Weather Statements in 2016

Special Weather Statement, NWS Buffalo, NY

December 16, 2016Jefferson County, New York

NWS Buffalo, NY issued this special weather statement at Dec 16, 2016, 4:08 PM EST for Jefferson County, New York. It was in force for 52 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 16, 2016, 4:08 PM EST (21:08 UTC)
Expired: Dec 16, 2016, 5:00 PM EST
In force: 52 min
Issued by: NWS Buffalo, NY

County Jefferson County, NY

The radar

The Ft Drum radar (KTYX), 39 km from the middle of the area, began a volume at 21:09 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, 9.1 hours before the alert went out and 227 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1242 m above ground
0-6 km bulk shear: 93 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 136 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 16, 4:04 PM EST, 4 minutes earlier.

Area forecast discussion, Dec 16, 4:04 PM EST, 4 minutes before

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Hazardous weather outlook, Dec 16, 3:54 PM EST, 14 minutes before

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In the hours before

Local storm report, Dec 16, 12:29 PM EST, 3 hours 39 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BUFFALO NY
1229 PM EST FRI DEC 16 2016

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

0655 AM     SNOW             SARDINIA                42.54N  78.50W
12/16/2016  M6.5 INCH        ERIE               NY   TRAINED SPOTTER

0930 AM     SNOW             2 NW ROCHESTER          43.19N  77.65W
12/16/2016  M10.0 INCH       MONROE             NY   TRAINED SPOTTER

            24 HOUR SNOWFALL.

&&

EVENT NUMBER BUF1601512
EVENT NUMBER BUF1601513

JAM

Special weather statement, Dec 16, 3:30 PM EST, 38 minutes before

Special Weather Statement
National Weather Service Buffalo NY
330 PM EST FRI DEC 16 2016

NYZ001>003-010-011-162130-
Orleans-Niagara-Northern Erie-Monroe-Genesee-
330 PM EST FRI DEC 16 2016

...An Intense BAND OF LAKE EFFECT SNOW WILL CONTINUE TO AFFECT
NORTHEASTERN ERIE...NIAGARA...NORTHWESTERN GENESEE...AND ORLEANS
COUNTIES...

At 323 PM EST, An intense band of lake effect snow band will
continue to produce snow fall rates of 2 TO 3 inches per hour before
weakening early this evening. If traveling across this area expect
significantly reduced visibilities, snow covered roadways, and
considerable delays.

Locations impacted include...
Buffalo, Cheektowaga, Niagara Falls, North Tonawanda, Clarence,
Lockport, Kenmore, Amherst, Tonawanda and Brockport.

This includes Interstate 90 between exits 51 and 49.

Use extra caution if you must travel into or through this lake
effect snow band. Rapid changes in visibility and potentially slick
roads are likely to lead to accidents. Consider delaying travel
until this lake effect snow band comes to an end.

LAT...LON 4311 7906 4312 7907 4314 7904 4317 7904
      4342 7821 4341 7805 4314 7789 4289 7891
      4293 7890 4296 7893 4296 7896 4300 7902
      4306 7900 4308 7908

Reynolds

Local storm report, Dec 16, 3:52 PM EST, 16 minutes before

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Local storm report, Dec 16, 3:53 PM EST, 15 minutes before

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Local storm report, Dec 16, 3:57 PM EST, 11 minutes before

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Special weather statement, Dec 16, 4:08 PM EST, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 15, 8:05 PM EST	Special Weather Statement	BUF	Monroe, Ontario, Orleans	85 min
Dec 15, 11:14 PM EST	Special Weather Statement	BUF	Monroe, Orleans	2 hr
Dec 16, 3:05 AM EST	Small Craft Advisory	BUF		34 hr
Dec 16, 3:22 AM EST	Winter Weather Advisory	BUF	Allegany, Cattaraugus, Cayuga, Chautauqua, Erie, Genesee and 10 more	57 hr
Dec 16, 11:51 AM EST	Special Marine Warning	BUF		54 min
Dec 16, 3:30 PM EST	Special Weather Statement	BUF	Orleans	60 min
Dec 16, 3:44 PM EST	Lake Effect Snow Advisory	BUF	Jefferson	8 hr

Nearby

Special Weather Statements in New York, 2016 Every special weather statement in 2016

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.