Alert archive / New York / Lake Effect Snow Warnings in 2017

Lake Effect Snow Warning 8, NWS Buffalo, NY

December 5, 20176 counties in New York

NWS Buffalo, NY issued this lake effect snow warning at Dec 5, 2017, 1:01 PM EST for 6 counties in New York. It took effect at Dec 6, 2017, 7:00 PM EST. It was in force for 39 hr. 57 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 5, 2017, 1:01 PM EST (18:01 UTC)
In effect from
Dec 6, 2017, 7:00 PM EST
Expired
Dec 8, 2017, 9:30 AM EST
In force
39 hr
Issued by
NWS Buffalo, NY

Counties Cattaraugus County, NY, Chautauqua County, NY, Erie County, NY, Jefferson County, NY, Lewis County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 79 km from the middle of the area, began a volume at 18:03 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.

What was reported inside it

TimeReportWhereRemark
Dec 7, 11:00 AM ESTSNOW 5Lowville, NY
Dec 7, 11:26 AM ESTSNOW 3.52 Ssw Blasdell, NY
Dec 7, 11:30 AM ESTSNOW 5.5Marilla, NY
Dec 7, 12:00 PM ESTSNOW 6Elma, NY
Dec 7, 12:01 PM ESTSNOW 7Harrisville, NY
Dec 7, 12:23 PM ESTSNOW 61 N Loveland, NY
Dec 7, 12:32 PM ESTSNOW 8Marilla, NY
Dec 7, 1:40 PM ESTSNOW 11.5Marilla, NY
Dec 7, 2:00 PM ESTSNOW 7Ene East Aurora, NY
Dec 7, 2:20 PM ESTSNOW 13.5Marilla, NY
Dec 7, 2:29 PM ESTSNOW 12Silver Creek, NY
Dec 7, 2:35 PM ESTSNOW 81 W Lake View, NY
Dec 7, 2:45 PM ESTSNOW 8.3Ene East Aurora, NY
Dec 7, 3:00 PM ESTSNOW 10Hamburg, NY
Dec 7, 3:05 PM ESTSNOW 14.5Marilla, NY
Dec 7, 4:22 PM ESTSNOW 12North Boston, NY
Dec 7, 4:30 PM ESTSNOW 7.5Farnham, NY
Dec 7, 4:30 PM ESTSNOW 16.5Marilla, NY
Dec 7, 4:46 PM ESTSNOW 122 S East Aurora, NY
Dec 7, 5:28 PM ESTSNOW 145 Ssw Harrisville, NY
Dec 7, 5:30 PM ESTSNOW 13.31 E East Aurora, NY
Dec 7, 5:45 PM ESTSNOW 121 W Boston, NY
Dec 7, 5:52 PM ESTSNOW 52 Ssw Blasdell, NY
Dec 7, 5:55 PM ESTSNOW 11.71 S Hamburg, NY
Dec 7, 6:00 PM ESTSNOW 132 Ne Boston, NY
Dec 7, 6:24 PM ESTSNOW 133 Sse Orchard Park, NY
Dec 7, 7:50 PM ESTSNOW 3.5Alden, NY
Dec 7, 8:00 PM ESTSNOW 11Ene East Aurora, NY
Dec 7, 8:35 PM ESTSNOW 10Perrysburg, NY
Dec 7, 9:00 PM ESTSNOW 7Watertown, NY
Dec 7, 9:20 PM ESTSNOW 8Ene West Carthage, NY24-HOUR SNOWFALL.
Dec 8, 5:00 AM ESTSNOW 81 Wnw Fredonia, NY24-HOUR SNOWFALL.
Dec 8, 5:30 AM ESTSNOW 13.75 Ssw Harrisville, NY24-HOUR SNOWFALL.
Dec 8, 6:00 AM ESTSNOW 141 Sse Silver Creek, NY24-HOUR SNOWFALL.
Dec 8, 6:00 AM ESTSNOW 14Silver Creek, NY24-HOUR SNOWFALL.
Dec 8, 6:45 AM ESTSNOW 5Sardinia, NY
Dec 8, 7:00 AM ESTSNOW 4.13 N Silver Springs, NY24-HOUR SNOWFALL.
Dec 8, 7:00 AM ESTSNOW 6.52 Ssw Blasdell, NY24-HOUR SNOWFALL.
Dec 8, 7:00 AM ESTSNOW 82 E Elma Center, NY24-HOUR SNOWFALL.
Dec 8, 7:00 AM ESTSNOW 8.41 S Dunkirk, NY24-HOUR SNOWFALL.
Dec 8, 7:00 AM ESTSNOW 8.41 Sw Dunkirk, NY24-HOUR SNOWFALL.
Dec 8, 7:00 AM ESTSNOW 92 E Watertown, NY24-HOUR SNOWFALL.
Dec 8, 7:00 AM ESTSNOW 9.91 W Lakeville, NY24-HOUR SNOWFALL.
Dec 8, 7:00 AM ESTSNOW 106 N Croghan, NY24-HOUR SNOWFALL.
Dec 8, 7:00 AM ESTSNOW 12Wsw Hamburg, NY24-HOUR SNOWFALL.
Dec 8, 7:00 AM ESTSNOW 13.33 Wsw Elma, NY24-HOUR SNOWFALL.
Dec 8, 7:00 AM ESTSNOW 14Lowville, NY24-HOUR SNOWFALL.
Dec 8, 7:00 AM ESTSNOW 14.7Wales, NY24-HOUR SNOWFALL.
Dec 8, 7:00 AM ESTSNOW 15.43 W Wyoming, NY24-HOUR SNOWFALL.
Dec 8, 7:00 AM ESTSNOW 16Ene East Aurora, NY24-HOUR SNOWFALL.
Dec 8, 7:00 AM ESTSNOW 182 Ne Boston, NY24-HOUR SNOWFALL.
Dec 8, 7:30 AM ESTSNOW 10.5Ese Hamburg, NY24-HOUR SNOWFALL.
Dec 8, 8:00 AM ESTSNOW 112 Se Glenwood, NY24-HOUR SNOWFALL.
Dec 8, 8:30 AM ESTSNOW 16.8Perrysburg, NY24-HOUR SNOWFALL.
Dec 8, 9:18 AM ESTSNOW 4Kenmore, NY
Dec 8, 9:20 AM ESTSNOW 4French Creek, NY
Dec 8, 9:21 AM ESTSNOW 10Ripley, NY

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 6.0 hours before the alert went out and 76 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 2017-12-05Temperature 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 2017-12-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 529 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
710 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
529 m²/s²
0-3 km storm-relative helicity
594 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

568 
WWUS41 KBUF 051801
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
101 PM EST Tue Dec 5 2017

NYZ001-002-051915-
/O.CAN.KBUF.WS.A.0005.171206T0800Z-171207T0300Z/
Niagara-Orleans-
Including the cities of Niagara Falls and Medina
101 PM EST Tue Dec 5 2017

...WINTER STORM WATCH IS CANCELLED...

Heavy snow is no longer expected in the watch area. There still 
will be periods of light to moderate lake effect snow at times.

$$

NYZ006-051915-
/O.CAN.KBUF.WS.A.0005.171207T0300Z-171208T1200Z/
Oswego-
Including the city of Oswego
101 PM EST Tue Dec 5 2017

...WINTER STORM WATCH IS CANCELLED...

Heavy snow is no longer expected in the watch area. There still
will be periods of light to moderate lake effect snow at times.

$$

NYZ007-008-060215-
/O.UPG.KBUF.WS.A.0005.171206T1200Z-171208T1200Z/
/O.NEW.KBUF.LE.W.0008.171207T0000Z-171208T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
101 PM EST Tue Dec 5 2017

...LAKE EFFECT SNOW WARNING IN EFFECT FROM 7 PM WEDNESDAY TO
10 AM EST FRIDAY...

* WHAT...Heavy lake effect snow expected. Travel will be very
  difficult to impossible at times. Total snow accumulations of 
  10 to 18 inches are expected in the most persistent lake snows.

* WHERE...Jefferson and Lewis counties. Greatest amounts across
  central and southeast Jefferson County and northern portions of
  Lewis county.

* WHEN...7 PM Wednesday to 10 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4412 7533 4417 7531 4425 7548 4424 7559 
        4416 7583 4401 7606 4390 7606 4390 7588 4399 7570 
        4406 7552 
TIME Y17M12D07T0000Z-Y17M12D07T0900Z
COORD...4400 7517 4408 7515 4422 7543 4414 7593 
        4407 7609 4401 7634 4386 7637 4383 7629 4370 7625 
        4381 7563 
TIME Y17M12D07T0900Z-Y17M12D08T0600Z
COORD...4413 7541 4420 7540 4428 7556 4429 7584 
        4418 7606 4395 7612 4380 7595 4381 7584 4391 7579 
        4402 7562 
TIME Y17M12D08T0600Z-Y17M12D08T1500Z

$$

NYZ012-019-020-085-060215-
/O.UPG.KBUF.WS.A.0005.171206T2300Z-171208T0900Z/
/O.NEW.KBUF.LE.W.0008.171207T0000Z-171208T1200Z/
Wyoming-Chautauqua-Cattaraugus-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Orchard Park, 
and Springville
101 PM EST Tue Dec 5 2017

...LAKE EFFECT SNOW WARNING IN EFFECT FROM 7 PM WEDNESDAY TO 7 AM
EST FRIDAY...

* WHAT...Heavy lake effect snow expected. Travel will be very
  difficult to impossible at times. Total snow accumulations of 
  10 to 18 inches are expected in the most persistent lake snows.

* WHERE...Wyoming, Chautauqua, Cattaraugus, and Southern Erie
  counties. Greatest amounts will be across southern Erie county,
  western portions of Wyoming county, and northern portions of
  Chautauqua and Cattaraugus counties.
 
* WHEN...7 PM Wednesday to 7 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4267 7827 4276 7825 4283 7839 4276 7858 
        4274 7884 4264 7895 4248 7934 4238 7941 4238 7920 
        4250 7877 
TIME Y17M12D07T0000Z-Y17M12D07T0900Z
COORD...4253 7838 4267 7830 4273 7848 4262 7914 
        4255 7936 4232 7975 4217 7977 4223 7944 4236 7897 
        4242 7861 
TIME Y17M12D07T0900Z-Y17M12D07T2100Z
COORD...4260 7851 4265 7833 4273 7826 4275 7870 
        4270 7909 4232 7975 4221 7976 4229 7945 4244 7890 
        4247 7872 
TIME Y17M12D07T2100Z-Y17M12D08T1200Z

$$

NYZ010-011-060215-
/O.UPG.KBUF.WS.A.0005.171206T0800Z-171208T0900Z/
/O.NEW.KBUF.WW.Y.0019.171206T2100Z-171207T0600Z/
Northern Erie-Genesee-
Including the cities of Buffalo and Batavia
101 PM EST Tue Dec 5 2017

...WINTER WEATHER ADVISORY IN EFFECT FROM 4 PM WEDNESDAY TO 1 AM
EST THURSDAY...

* WHAT...Lake effect snow expected. Plan on slippery road
  conditions, including during the evening commute on Wednesday.
  Total snow accumulations of 3 to 6 inches are expected in the 
  most persistent lake snows.

* WHERE...Northern Erie and Genesee counties. Mainly south of a
  Buffalo to Batavia line, with greatest amounts toward the
  southtowns of Buffalo.

* WHEN...4 PM Wednesday to 1 AM Thursday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

&&

$$

Apffel
15 follow-up statements
984 
WWUS41 KBUF 060233
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
933 PM EST Tue Dec 5 2017

NYZ012-019-020-085-061045-
/O.CON.KBUF.LE.W.0008.171207T0000Z-171208T1200Z/
Wyoming-Chautauqua-Cattaraugus-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Orchard Park, 
and Springville
933 PM EST Tue Dec 5 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 7 PM WEDNESDAY
TO 7 AM EST FRIDAY...

* WHAT...Heavy lake effect snow expected. Travel will be very 
  difficult to impossible at times. Total snow accumulations of 
  10 to 18 inches are expected in the most persistent lake snows.

* WHERE...Wyoming, Chautauqua, Cattaraugus, and Southern Erie 
  counties. Greatest amounts will be across southern Erie county,
   western portions of Wyoming county, and northern portions of 
  Chautauqua and Cattaraugus counties.

* WHEN...7 PM Wednesday to 7 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4267 7827 4276 7825 4283 7839 4276 7858 
        4274 7884 4264 7895 4248 7934 4238 7941 4238 7920 
        4250 7877 
TIME Y17M12D07T0000Z-Y17M12D07T0900Z
COORD...4253 7838 4267 7830 4273 7848 4262 7914 
        4255 7936 4232 7975 4217 7977 4223 7944 4236 7897 
        4242 7861 
TIME Y17M12D07T0900Z-Y17M12D07T2100Z
COORD...4260 7851 4265 7833 4273 7826 4275 7870 
        4270 7909 4232 7975 4221 7976 4229 7945 4244 7890 
        4247 7872 
TIME Y17M12D07T2100Z-Y17M12D08T1200Z

$$

NYZ007-008-061045-
/O.CON.KBUF.LE.W.0008.171207T0000Z-171208T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
933 PM EST Tue Dec 5 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 7 PM WEDNESDAY
TO 10 AM EST FRIDAY...

* WHAT...Heavy lake effect snow expected. Travel will be very 
  difficult to impossible at times. Total snow accumulations of 
  10 to 18 inches are expected in the most persistent lake snows.

* WHERE...Jefferson and Lewis counties. Greatest amounts across 
  central and southeast Jefferson County and northern portions 
  of Lewis county.

* WHEN...7 PM Wednesday to 10 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4412 7533 4417 7531 4425 7548 4424 7559 
        4416 7583 4401 7606 4390 7606 4390 7588 4399 7570 
        4406 7552 
TIME Y17M12D07T0000Z-Y17M12D07T0900Z
COORD...4400 7517 4408 7515 4422 7543 4414 7593 
        4407 7609 4401 7634 4386 7637 4383 7629 4370 7625 
        4381 7563 
TIME Y17M12D07T0900Z-Y17M12D08T0600Z
COORD...4413 7541 4420 7540 4428 7556 4429 7584 
        4418 7606 4395 7612 4380 7595 4381 7584 4391 7579 
        4402 7562 
TIME Y17M12D08T0600Z-Y17M12D08T1500Z

$$

NYZ010-011-061045-
/O.CON.KBUF.WW.Y.0019.171206T2100Z-171207T0600Z/
Northern Erie-Genesee-
Including the cities of Buffalo and Batavia
933 PM EST Tue Dec 5 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM WEDNESDAY
TO 1 AM EST THURSDAY...

* WHAT...Lake effect snow expected. Plan on slippery road 
  conditions, including during the evening commute on Wednesday. 
  Total snow accumulations of 3 to 6 inches are expected in the 
  most persistent lake snows.

* WHERE...Northern Erie and Genesee counties. Mainly south of a 
  Buffalo to Batavia line, with greatest amounts toward the 
  southtowns of Buffalo.

* WHEN...4 PM Wednesday to 1 AM Thursday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

&&

$$
931 
WWUS41 KBUF 060601
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
101 AM EST Wed Dec 6 2017

NYZ012-019-020-085-061415-
/O.CON.KBUF.LE.W.0008.171207T0000Z-171208T1200Z/
Wyoming-Chautauqua-Cattaraugus-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Orchard Park, 
and Springville
101 AM EST Wed Dec 6 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 7 AM EST FRIDAY...

* WHAT...Heavy lake effect snow expected. Travel will be very 
  difficult to impossible at times. Total snow accumulations of 
  10 to 18 inches are expected in the most persistent lake snows.

* WHERE...Wyoming, Chautauqua, Cattaraugus, and Southern Erie 
  counties. Greatest amounts will be across southern Erie county,
   western portions of Wyoming county, and northern portions of 
  Chautauqua and Cattaraugus counties.

* WHEN...7 PM Wednesday to 7 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4267 7827 4276 7825 4283 7839 4276 7858 
        4274 7884 4264 7895 4248 7934 4238 7941 4238 7920 
        4250 7877 
TIME Y17M12D07T0000Z-Y17M12D07T0900Z
COORD...4253 7838 4267 7830 4273 7848 4262 7914 
        4255 7936 4232 7975 4217 7977 4223 7944 4236 7897 
        4242 7861 
TIME Y17M12D07T0900Z-Y17M12D07T2100Z
COORD...4260 7851 4265 7833 4273 7826 4275 7870 
        4270 7909 4232 7975 4221 7976 4229 7945 4244 7890 
        4247 7872 
TIME Y17M12D07T2100Z-Y17M12D08T1200Z

$$

NYZ007-008-061415-
/O.CON.KBUF.LE.W.0008.171207T0000Z-171208T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
101 AM EST Wed Dec 6 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 10 AM EST FRIDAY...

* WHAT...Heavy lake effect snow expected. Travel will be very 
  difficult to impossible at times. Total snow accumulations of 
  10 to 18 inches are expected in the most persistent lake snows.

* WHERE...Jefferson and Lewis counties. Greatest amounts across 
  central and southeast Jefferson County and northern portions 
  of Lewis county.

* WHEN...7 PM Wednesday to 10 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4412 7533 4417 7531 4425 7548 4424 7559 
        4416 7583 4401 7606 4390 7606 4390 7588 4399 7570 
        4406 7552 
TIME Y17M12D07T0000Z-Y17M12D07T0900Z
COORD...4400 7517 4408 7515 4422 7543 4414 7593 
        4407 7609 4401 7634 4386 7637 4383 7629 4370 7625 
        4381 7563 
TIME Y17M12D07T0900Z-Y17M12D08T0600Z
COORD...4413 7541 4420 7540 4428 7556 4429 7584 
        4418 7606 4395 7612 4380 7595 4381 7584 4391 7579 
        4402 7562 
TIME Y17M12D08T0600Z-Y17M12D08T1500Z

$$

NYZ010-011-061415-
/O.CON.KBUF.WW.Y.0019.171206T2100Z-171207T0600Z/
Northern Erie-Genesee-
Including the cities of Buffalo and Batavia
101 AM EST Wed Dec 6 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 1 AM EST THURSDAY...

* WHAT...Lake effect snow expected. Plan on slippery road 
  conditions, including during the evening commute on Wednesday. 
  Total snow accumulations of 3 to 6 inches are expected in the 
  most persistent lake snows.

* WHERE...Northern Erie and Genesee counties. Mainly south of a 
  Buffalo to Batavia line, with greatest amounts toward the 
  southtowns of Buffalo.

* WHEN...4 PM Wednesday to 1 AM Thursday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

&&

$$
403 
WWUS41 KBUF 060903
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
403 AM EST Wed Dec 6 2017

NYZ012-019-020-085-061715-
/O.CON.KBUF.LE.W.0008.171207T0000Z-171208T1200Z/
Wyoming-Chautauqua-Cattaraugus-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Orchard Park, 
and Springville
403 AM EST Wed Dec 6 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 7 AM EST FRIDAY...

* WHAT...Heavy lake effect snow expected. Travel will become very
  difficult, including during the evening commute on Thursday. 
  Total snow accumulations of 9 to 18 inches are expected in the 
  most persistent lake snows.

* WHERE...Wyoming, Chautauqua, Cattaraugus, and Southern Erie 
  counties.

* WHEN...7 PM today to 7 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow could fall in relatively narrow bands. If traveling, 
be prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4267 7827 4276 7825 4283 7839 4276 7858 
        4274 7884 4264 7895 4248 7934 4238 7941 4238 7920 
        4250 7877 
TIME Y17M12D07T0000Z-Y17M12D07T0900Z
COORD...4253 7838 4267 7830 4273 7848 4262 7914 
        4255 7936 4232 7975 4217 7977 4223 7944 4236 7897 
        4242 7861 
TIME Y17M12D07T0900Z-Y17M12D07T2100Z
COORD...4260 7851 4265 7833 4273 7826 4275 7870 
        4270 7909 4232 7975 4221 7976 4229 7945 4244 7890 
        4247 7872 
TIME Y17M12D07T2100Z-Y17M12D08T1200Z

$$

NYZ007-008-061715-
/O.CON.KBUF.LE.W.0008.171207T0000Z-171208T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
403 AM EST Wed Dec 6 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 10 AM EST FRIDAY...

* WHAT...Heavy lake effect snow expected. Travel will become very
  difficult. Total snow accumulations of 9 to 17 inches are 
  expected in the most persistent lake snows.

* WHERE...Jefferson and Lewis counties.

* WHEN...7 PM today to 10 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4412 7533 4417 7531 4425 7548 4424 7559 
        4416 7583 4401 7606 4390 7606 4390 7588 4399 7570 
        4406 7552 
TIME Y17M12D07T0000Z-Y17M12D07T0900Z
COORD...4400 7517 4408 7515 4422 7543 4414 7593 
        4407 7609 4401 7634 4386 7637 4383 7629 4370 7625 
        4381 7563 
TIME Y17M12D07T0900Z-Y17M12D08T0600Z
COORD...4413 7541 4420 7540 4428 7556 4429 7584 
        4418 7606 4395 7612 4380 7595 4381 7584 4391 7579 
        4402 7562 
TIME Y17M12D08T0600Z-Y17M12D08T1500Z

$$

NYZ010-011-061715-
/O.CON.KBUF.WW.Y.0019.171206T2100Z-171207T0600Z/
Northern Erie-Genesee-
Including the cities of Buffalo and Batavia
403 AM EST Wed Dec 6 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 1 AM EST THURSDAY...

* WHAT...Lake effect snow expected from 4 PM today to 1 AM
  Thursday. Plan on slippery road conditions, including during the
  evening commute. Total snow accumulations of 2 to 5 inches are 
  expected in the most persistent lake snows.

* WHERE...Northern Erie and Genesee counties.

* WHEN...4 PM today to 1 AM Thursday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

&&

$$
596 
WWUS41 KBUF 061016
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
516 AM EST Wed Dec 6 2017

NYZ012-019-020-085-061830-
/O.CON.KBUF.LE.W.0008.171207T0000Z-171208T1200Z/
Wyoming-Chautauqua-Cattaraugus-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Orchard Park, 
and Springville
516 AM EST Wed Dec 6 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 7 AM EST FRIDAY...

* WHAT...Heavy lake effect snow expected. Travel will be very
  difficult, including during the evening commute on Thursday. 
  Total snow accumulations of 9 to 18 inches are expected in the 
  most persistent lake snows.

* WHERE...Wyoming, Chautauqua, Cattaraugus, and Southern Erie 
  counties.

* WHEN...7 PM today to 7 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4259 7816 4277 7819 4279 7839 4276 7876 
        4270 7909 4234 7970 4212 7978 4210 7972 4222 7938 
        4226 7913 4232 7904 4240 7864 
TIME Y17M12D07T0000Z-Y17M12D07T1200Z
COORD...4259 7816 4279 7813 4282 7827 4278 7854 
        4269 7901 4265 7904 4262 7922 4236 7968 4233 7969 
        4237 7906 4247 7873 4251 7847 
TIME Y17M12D07T1200Z-Y17M12D07T1800Z
COORD...4246 7836 4260 7822 4268 7834 4259 7884 
        4260 7893 4232 7975 4212 7978 4220 7934 4225 7922 
        4227 7895 4231 7889 4233 7859 
TIME Y17M12D07T1800Z-Y17M12D08T0000Z
COORD...4235 7838 4242 7837 4243 7851 4241 7929 
        4227 7975 4214 7977 4215 7954 4221 7926 4221 7902 
        4225 7893 4225 7869 4229 7848 
TIME Y17M12D08T0000Z-Y17M12D08T0600Z
COORD...4267 7870 4264 7892 4265 7904 4259 7914 
        4255 7915 4256 7923 4251 7939 4240 7938 4240 7914 
        4243 7898 4246 7881 4251 7868 
TIME Y17M12D08T0600Z-Y17M12D08T1200Z

$$

NYZ007-008-061830-
/O.CON.KBUF.LE.W.0008.171207T0000Z-171208T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
516 AM EST Wed Dec 6 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 10 AM EST FRIDAY...

* WHAT...Heavy lake effect snow expected. Travel will be very
  difficult. Total snow accumulations of 9 to 17 inches are 
  expected in the most persistent lake snows.

* WHERE...Jefferson and Lewis counties.

* WHEN...7 PM today to 10 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4408 7515 4425 7548 4431 7565 4413 7620 
        4406 7640 4397 7634 4386 7637 4383 7629 4370 7625 
        4369 7577 4389 7534 4391 7516 
TIME Y17M12D07T0000Z-Y17M12D08T0300Z
COORD...4408 7515 4412 7527 4405 7540 4400 7577 
        4388 7637 4383 7629 4367 7623 4363 7603 4359 7564 
        4363 7555 4375 7548 4378 7515 
TIME Y17M12D08T0300Z-Y17M12D08T1200Z
COORD...4390 7548 4395 7554 4404 7555 4405 7581 
        4403 7592 4398 7602 4394 7603 4390 7612 4384 7617 
        4377 7615 4373 7568 4384 7550 
TIME Y17M12D08T1200Z-Y17M12D08T1500Z

$$

NYZ010-011-061830-
/O.CON.KBUF.WW.Y.0019.171206T2100Z-171207T0600Z/
Northern Erie-Genesee-
Including the cities of Buffalo and Batavia
516 AM EST Wed Dec 6 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 1 AM EST THURSDAY...

* WHAT...Lake effect snow expected from 4 PM today to 1 AM
  Thursday. Plan on slippery road conditions, including during the
  evening commute. Total snow accumulations of 2 to 5 inches are 
  expected in the most persistent lake snows.

* WHERE...Northern Erie and Genesee counties.

* WHEN...4 PM today to 1 AM Thursday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

&&

$$
157 
WWUS41 KBUF 061732
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
1232 PM EST Wed Dec 6 2017

NYZ012-019-020-085-070145-
/O.CON.KBUF.LE.W.0008.171207T0000Z-171208T1200Z/
Wyoming-Chautauqua-Cattaraugus-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Orchard Park, 
and Springville
1232 PM EST Wed Dec 6 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 7 AM EST FRIDAY...

* WHAT...Heavy lake effect snow expected. Travel will be very
  difficult. Total snow accumulations of 12 to 20 inches are 
  expected in the most persistent lake snows.

* WHERE...Wyoming, Chautauqua, Cattaraugus, and Southern Erie 
  counties.

* WHEN...7 PM today to 7 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in
  visibility at times. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4259 7816 4277 7819 4279 7839 4276 7876 
        4270 7909 4234 7970 4212 7978 4210 7972 4232 7904 
        4240 7864 
TIME Y17M12D07T0000Z-Y17M12D07T1200Z
COORD...4259 7816 4279 7813 4282 7827 4269 7901 
        4262 7922 4236 7968 4233 7969 4237 7906 4247 7873 
        4251 7847 
TIME Y17M12D07T1200Z-Y17M12D07T1800Z
COORD...4246 7836 4260 7822 4268 7834 4259 7884 
        4260 7893 4232 7975 4212 7978 4220 7934 4231 7889 
        4233 7859 
TIME Y17M12D07T1800Z-Y17M12D08T0000Z
COORD...4261 7834 4272 7838 4274 7858 4264 7895 
        4251 7920 4232 7975 4217 7977 4227 7925 4240 7893 
        4246 7856 
TIME Y17M12D08T0000Z-Y17M12D08T0600Z
COORD...4261 7863 4266 7845 4277 7837 4275 7897 
        4268 7913 4232 7975 4229 7966 4237 7930 4248 7906 
        4250 7880 
TIME Y17M12D08T0600Z-Y17M12D08T1200Z

$$

NYZ007-008-070145-
/O.CON.KBUF.LE.W.0008.171207T0000Z-171208T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
1232 PM EST Wed Dec 6 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 10 AM EST FRIDAY...

* WHAT...Heavy lake effect snow expected. Travel will be very
  difficult. Total snow accumulations of 10 to 18 inches are 
  expected in the most persistent lake snows.

* WHERE...Jefferson and Lewis counties.

* WHEN...7 PM today to 10 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4408 7515 4425 7548 4431 7565 4406 7640 
        4386 7637 4383 7629 4370 7625 4369 7577 4389 7534 
        4391 7516 
TIME Y17M12D07T0000Z-Y17M12D08T0000Z
COORD...4406 7516 4408 7548 4404 7558 4403 7586 
        4391 7623 4383 7629 4367 7623 4371 7598 4367 7536 
        4373 7513 
TIME Y17M12D08T0000Z-Y17M12D08T0900Z
COORD...4423 7555 4429 7568 4429 7587 4409 7627 
        4386 7637 4381 7626 4381 7608 4389 7581 4399 7573 
        4404 7558 
TIME Y17M12D08T0900Z-Y17M12D08T1500Z

$$

NYZ010-011-070145-
/O.CON.KBUF.WW.Y.0019.171206T2100Z-171207T0600Z/
Northern Erie-Genesee-
Including the cities of Buffalo and Batavia
1232 PM EST Wed Dec 6 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 1 AM EST THURSDAY...

* WHAT...Lake effect snow expected. Plan on slippery road
  conditions. Total snow accumulations of 2 to 5 inches are 
  expected in the most persistent lake snows.

* WHERE...Northern Erie and Genesee counties.

* WHEN...4 PM today to 1 AM Thursday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

&&

$$

Apffel
521 
WWUS41 KBUF 061840
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
140 PM EST Wed Dec 6 2017

NYZ012-019-020-085-070245-
/O.CON.KBUF.LE.W.0008.171207T0000Z-171208T1200Z/
Wyoming-Chautauqua-Cattaraugus-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Orchard Park, 
and Springville
140 PM EST Wed Dec 6 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 7 AM EST FRIDAY...

* WHAT...Heavy lake effect snow expected. Travel will be very 
  difficult. Total snow accumulations of 12 to 20 inches are 
  expected in the most persistent lake snows.

* WHERE...Wyoming, Chautauqua, Cattaraugus, and Southern Erie 
  counties.

* WHEN...7 PM today to 7 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4259 7816 4277 7819 4279 7839 4276 7876 
        4270 7909 4234 7970 4212 7978 4210 7972 4232 7904 
        4240 7864 
TIME Y17M12D07T0000Z-Y17M12D07T1200Z
COORD...4259 7816 4279 7813 4282 7827 4269 7901 
        4262 7922 4236 7968 4233 7969 4237 7906 4247 7873 
        4251 7847 
TIME Y17M12D07T1200Z-Y17M12D07T1800Z
COORD...4246 7836 4260 7822 4268 7834 4259 7884 
        4260 7893 4232 7975 4212 7978 4220 7934 4231 7889 
        4233 7859 
TIME Y17M12D07T1800Z-Y17M12D08T0000Z
COORD...4261 7834 4272 7838 4274 7858 4264 7895 
        4251 7920 4232 7975 4217 7977 4227 7925 4240 7893 
        4246 7856 
TIME Y17M12D08T0000Z-Y17M12D08T0600Z
COORD...4261 7863 4266 7845 4277 7837 4275 7897 
        4268 7913 4232 7975 4229 7966 4237 7930 4248 7906 
        4250 7880 
TIME Y17M12D08T0600Z-Y17M12D08T1200Z

$$

NYZ007-008-070245-
/O.CON.KBUF.LE.W.0008.171207T0000Z-171208T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
140 PM EST Wed Dec 6 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 10 AM EST FRIDAY...

* WHAT...Heavy lake effect snow expected. Travel will be very 
  difficult. Total snow accumulations of 10 to 18 inches are 
  expected in the most persistent lake snows.

* WHERE...Jefferson and Lewis counties.

* WHEN...7 PM today to 10 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4408 7515 4425 7548 4431 7565 4406 7640 
        4386 7637 4383 7629 4370 7625 4369 7577 4389 7534 
        4391 7516 
TIME Y17M12D07T0000Z-Y17M12D08T0000Z
COORD...4406 7516 4408 7548 4404 7558 4403 7586 
        4391 7623 4383 7629 4367 7623 4371 7598 4367 7536 
        4373 7513 
TIME Y17M12D08T0000Z-Y17M12D08T0900Z
COORD...4423 7555 4429 7568 4429 7587 4409 7627 
        4386 7637 4381 7626 4381 7608 4389 7581 4399 7573 
        4404 7558 
TIME Y17M12D08T0900Z-Y17M12D08T1500Z

$$

NYZ010-011-070245-
/O.EXT.KBUF.WW.Y.0019.171206T1840Z-171207T0600Z/
Northern Erie-Genesee-
Including the cities of Buffalo and Batavia
140 PM EST Wed Dec 6 2017

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 1 AM EST
THURSDAY...

* WHAT...Lake effect snow with slippery road conditions. Total 
  snow accumulations of 2 to 5 inches are expected in the most 
  persistent lake snows.

* WHERE...Northern Erie and Genesee counties.

* WHEN...Until 1 AM Thursday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

&&

$$

SMITH
739 
WWUS41 KBUF 070217
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
917 PM EST Wed Dec 6 2017

NYZ012-019-020-085-071030-
/O.CON.KBUF.LE.W.0008.000000T0000Z-171208T1200Z/
Wyoming-Chautauqua-Cattaraugus-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Orchard Park, 
and Springville
917 PM EST Wed Dec 6 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
FRIDAY...

* WHAT...Heavy lake effect snow expected. Travel will be very 
  difficult. Total snow accumulations of 12 to 20 inches are 
  expected in the most persistent lake snows.

* WHERE...Wyoming, Chautauqua, Cattaraugus, and Southern Erie 
  counties.

* WHEN...7 PM today to 7 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4259 7816 4277 7819 4279 7839 4276 7876 
        4270 7909 4234 7970 4212 7978 4210 7972 4232 7904 
        4240 7864 
TIME Y17M12D07T0000Z-Y17M12D07T1200Z
COORD...4259 7816 4279 7813 4282 7827 4269 7901 
        4262 7922 4236 7968 4233 7969 4237 7906 4247 7873 
        4251 7847 
TIME Y17M12D07T1200Z-Y17M12D07T1800Z
COORD...4246 7836 4260 7822 4268 7834 4259 7884 
        4260 7893 4232 7975 4212 7978 4220 7934 4231 7889 
        4233 7859 
TIME Y17M12D07T1800Z-Y17M12D08T0000Z
COORD...4261 7834 4272 7838 4274 7858 4264 7895 
        4251 7920 4232 7975 4217 7977 4227 7925 4240 7893 
        4246 7856 
TIME Y17M12D08T0000Z-Y17M12D08T0600Z
COORD...4261 7863 4266 7845 4277 7837 4275 7897 
        4268 7913 4232 7975 4229 7966 4237 7930 4248 7906 
        4250 7880 
TIME Y17M12D08T0600Z-Y17M12D08T1200Z

$$

NYZ007-008-071030-
/O.CON.KBUF.LE.W.0008.000000T0000Z-171208T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
917 PM EST Wed Dec 6 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 10 AM EST
FRIDAY...

* WHAT...Heavy lake effect snow expected. Travel will be very 
  difficult. Total snow accumulations of 10 to 18 inches are 
  expected in the most persistent lake snows.

* WHERE...Jefferson and Lewis counties.

* WHEN...7 PM today to 10 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4408 7515 4425 7548 4431 7565 4406 7640 
        4386 7637 4383 7629 4370 7625 4369 7577 4389 7534 
        4391 7516 
TIME Y17M12D07T0000Z-Y17M12D08T0000Z
COORD...4406 7516 4408 7548 4404 7558 4403 7586 
        4391 7623 4383 7629 4367 7623 4371 7598 4367 7536 
        4373 7513 
TIME Y17M12D08T0000Z-Y17M12D08T0900Z
COORD...4423 7555 4429 7568 4429 7587 4409 7627 
        4386 7637 4381 7626 4381 7608 4389 7581 4399 7573 
        4404 7558 
TIME Y17M12D08T0900Z-Y17M12D08T1500Z

$$

NYZ010-011-070600-
/O.CON.KBUF.WW.Y.0019.000000T0000Z-171207T0600Z/
Northern Erie-Genesee-
Including the cities of Buffalo and Batavia
917 PM EST Wed Dec 6 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST
THURSDAY...

* WHAT...Lake effect snow with slippery road conditions. Total 
  snow accumulations of 2 to 5 inches are expected in the most 
  persistent lake snows.

* WHERE...Northern Erie and Genesee counties.

* WHEN...Until 1 AM Thursday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Lake effect snow will fall in relatively narrow bands. If
traveling, be prepared for rapidly changing road conditions and
visibilities.

Submit snow reports through our website or social media.

&&

$$
306 
WWUS41 KBUF 070252
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
952 PM EST Wed Dec 6 2017

NYZ010-011-070400-
/O.CAN.KBUF.WW.Y.0019.000000T0000Z-171207T0600Z/
Northern Erie-Genesee-
Including the cities of Buffalo and Batavia
952 PM EST Wed Dec 6 2017

...WINTER WEATHER ADVISORY IS CANCELLED...

Lake effect snows have shifted south of the area and are expected
to remain south of the area through the rest of tonight.

$$

NYZ012-019-020-085-071100-
/O.CON.KBUF.LE.W.0008.000000T0000Z-171208T1200Z/
Wyoming-Chautauqua-Cattaraugus-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Orchard Park, 
and Springville
952 PM EST Wed Dec 6 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
FRIDAY...

* WHAT...Heavy lake effect snow occurring. Travel will be very 
  difficult to impossible, including during the evening commute 
  on Thursday. Additional snow accumulations of 10 to 20 inches 
  are expected in the most persistent lake snows.

* WHERE...Wyoming, Chautauqua, Cattaraugus, and Southern Erie 
  counties.

* WHEN...Until 7 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4259 7816 4277 7819 4279 7839 4276 7876 
        4270 7909 4234 7970 4212 7978 4210 7972 4232 7904 
        4240 7864 
TIME Y17M12D07T0000Z-Y17M12D07T1200Z
COORD...4259 7816 4279 7813 4282 7827 4269 7901 
        4262 7922 4236 7968 4233 7969 4237 7906 4247 7873 
        4251 7847 
TIME Y17M12D07T1200Z-Y17M12D07T1800Z
COORD...4246 7836 4260 7822 4268 7834 4259 7884 
        4260 7893 4232 7975 4212 7978 4220 7934 4231 7889 
        4233 7859 
TIME Y17M12D07T1800Z-Y17M12D08T0000Z
COORD...4261 7834 4272 7838 4274 7858 4264 7895 
        4251 7920 4232 7975 4217 7977 4227 7925 4240 7893 
        4246 7856 
TIME Y17M12D08T0000Z-Y17M12D08T0600Z
COORD...4261 7863 4266 7845 4277 7837 4275 7897 
        4268 7913 4232 7975 4229 7966 4237 7930 4248 7906 
        4250 7880 
TIME Y17M12D08T0600Z-Y17M12D08T1200Z

$$

NYZ007-008-071100-
/O.CON.KBUF.LE.W.0008.000000T0000Z-171208T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
952 PM EST Wed Dec 6 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 10 AM EST
FRIDAY...

* WHAT...Heavy lake effect snow occurring. Travel will be very 
  difficult to impossible. Additional snow accumulations of 9 to 
  18 inches are expected in the most persistent lake snows.

* WHERE...Jefferson and Lewis counties.

* WHEN...Until 10 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4408 7515 4425 7548 4431 7565 4406 7640 
        4386 7637 4383 7629 4370 7625 4369 7577 4389 7534 
        4391 7516 
TIME Y17M12D07T0000Z-Y17M12D08T0000Z
COORD...4406 7516 4408 7548 4404 7558 4403 7586 
        4391 7623 4383 7629 4367 7623 4371 7598 4367 7536 
        4373 7513 
TIME Y17M12D08T0000Z-Y17M12D08T0900Z
COORD...4423 7555 4429 7568 4429 7587 4409 7627 
        4386 7637 4381 7626 4381 7608 4389 7581 4399 7573 
        4404 7558 
TIME Y17M12D08T0900Z-Y17M12D08T1500Z

$$
895 
WWUS41 KBUF 070944
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
444 AM EST Thu Dec 7 2017

NYZ012-019-020-085-071745-
/O.CON.KBUF.LE.W.0008.000000T0000Z-171208T1200Z/
Wyoming-Chautauqua-Cattaraugus-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Orchard Park, 
and Springville
444 AM EST Thu Dec 7 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
FRIDAY...

* WHAT...Heavy lake effect snow occurring. Plan on difficult
  travel conditions, including during the morning commute. 
  Additional snow accumulations of 6 to 11 inches are expected in 
  the most persistent lake snows.

* WHERE...Wyoming, Chautauqua, Cattaraugus, and Southern Erie 
  counties.

* WHEN...Until 7 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4270 7808 4281 7815 4278 7856 4272 7888 
        4260 7926 4232 7975 4219 7977 4222 7958 4247 7872 
        4250 7853 
TIME Y17M12D07T0900Z-Y17M12D07T1800Z
COORD...4256 7826 4269 7829 4269 7853 4261 7905 
        4251 7920 4232 7975 4212 7978 4224 7934 4222 7934 
        4237 7855 
TIME Y17M12D07T1800Z-Y17M12D08T0000Z
COORD...4259 7831 4272 7831 4274 7855 4266 7892 
        4252 7927 4225 7976 4212 7978 4211 7966 4234 7900 
        4236 7870 
TIME Y17M12D08T0000Z-Y17M12D08T0600Z
COORD...4261 7854 4266 7836 4281 7833 4288 7844 
        4283 7886 4237 7965 4229 7963 4232 7930 4245 7901 
        4247 7877 
TIME Y17M12D08T0600Z-Y17M12D08T1200Z

$$

NYZ007-008-071745-
/O.CON.KBUF.LE.W.0008.000000T0000Z-171208T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
444 AM EST Thu Dec 7 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 10 AM EST
FRIDAY...

* WHAT...Heavy lake effect snow occurring. Plan on difficult
  travel conditions, including during the morning commute.  
  Additional snow accumulations of 7 to 13 inches are expected in 
  the most persistent lake snows.

* WHERE...Jefferson and Lewis counties.

* WHEN...Until 10 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4391 7516 4408 7515 4425 7548 4425 7566 
        4414 7608 4401 7637 4356 7619 4352 7584 4362 7548 
        4381 7545 
TIME Y17M12D07T0900Z-Y17M12D08T0000Z
COORD...4408 7515 4422 7543 4423 7555 4409 7600 
        4390 7628 4361 7623 4353 7608 4355 7568 4372 7538 
        4373 7513 
TIME Y17M12D08T0000Z-Y17M12D08T0900Z
COORD...4423 7545 4433 7568 4435 7584 4416 7629 
        4408 7636 4386 7637 4378 7618 4380 7575 4394 7566 
        4402 7553 
TIME Y17M12D08T0900Z-Y17M12D08T1300Z

$$

NYZ006-071745-
/O.NEW.KBUF.WW.Y.0020.171207T0944Z-171208T1100Z/
Oswego-
Including the city of Oswego
444 AM EST Thu Dec 7 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM EST FRIDAY...

* WHAT...Lake effect snow occurring. Plan on difficult travel
  conditions. Snow accumulations of 4 to 8 inches are expected in
  the most persistent lake snows.

* WHERE...Northern Oswego county.

* WHEN...Until 6 AM Friday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow will result in snow covered roads and limited
visibilities. Slow down and use caution while driving.

Submit snow reports through our website or social media.

&&

$$

TMA
399 
WWUS41 KBUF 071744
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
1244 PM EST Thu Dec 7 2017

NYZ012-019-020-085-080145-
/O.CON.KBUF.LE.W.0008.000000T0000Z-171208T1200Z/
Wyoming-Chautauqua-Cattaraugus-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Orchard Park, 
and Springville
1244 PM EST Thu Dec 7 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
FRIDAY...

* WHAT...Heavy lake effect snow occurring. Plan on difficult 
  travel conditions, including during the evening commute. 
  Additional snow accumulations of 4 to 8 inches are expected in 
  the most persistent lake snows.

* WHERE...Wyoming, Chautauqua, Cattaraugus, and Southern Erie
  counties. Heaviest expected from Dunkirk to Springville.

* WHEN...Until 7 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4254 7826 4265 7809 4276 7806 4281 7842 
        4271 7891 4270 7909 4234 7970 4214 7977 4216 7965 
        4243 7878 
TIME Y17M12D07T1800Z-Y17M12D08T0000Z
COORD...4247 7845 4256 7826 4269 7829 4271 7847 
        4264 7919 4232 7975 4201 7976 4214 7942 4227 7890 
        4230 7854 
TIME Y17M12D08T0000Z-Y17M12D08T0600Z
COORD...4271 7829 4287 7834 4279 7866 4279 7893 
        4237 7965 4236 7944 4241 7908 4247 7898 4251 7870 
        4258 7848 
TIME Y17M12D08T0600Z-Y17M12D08T1200Z

$$

NYZ007-008-080145-
/O.CON.KBUF.LE.W.0008.000000T0000Z-171208T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
1244 PM EST Thu Dec 7 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 10 AM EST
FRIDAY...

* WHAT...Heavy lake effect snow occurring. Plan on difficult 
  travel conditions. Additional snow accumulations of 5 to 10 
  inches are expected in the most persistent lake snows.

* WHERE...Jefferson and Lewis counties. Heaviest South of 
  Watertown and east to Crogan.

* WHEN...Until 10 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4404 7516 4412 7548 4403 7592 4390 7606 
        4383 7629 4372 7625 4370 7604 4375 7570 4383 7539 
        4385 7517 
TIME Y17M12D07T1800Z-Y17M12D08T0000Z
COORD...4408 7515 4412 7530 4407 7545 4406 7573 
        4394 7623 4388 7637 4383 7629 4370 7625 4369 7529 
        4371 7514 
TIME Y17M12D08T0000Z-Y17M12D08T0900Z
COORD...4390 7522 4401 7526 4400 7559 4396 7584 
        4392 7588 4386 7634 4374 7628 4379 7569 4381 7569 
        4384 7534 
TIME Y17M12D08T0900Z-Y17M12D08T1500Z

$$

NYZ006-080145-
/O.CON.KBUF.WW.Y.0020.000000T0000Z-171208T1100Z/
Oswego-
Including the city of Oswego
1244 PM EST Thu Dec 7 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST
FRIDAY...

* WHAT...Snow occurring. Plan on slippery road conditions. 
  Additional snow accumulations of 3 to 6 inches are expected.

* WHERE...Northern Oswego county north of Pulaski.

* WHEN...Until 6 AM Friday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow will result in snow covered roads and limited
visibilities. Slow down and use caution while driving.

Submit snow reports through our website or social media.

&&

$$

SMITH
008 
WWUS41 KBUF 071902
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
202 PM EST Thu Dec 7 2017

NYZ012-019-020-085-080315-
/O.CON.KBUF.LE.W.0008.000000T0000Z-171208T1200Z/
Wyoming-Chautauqua-Cattaraugus-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Orchard Park, 
and Springville
202 PM EST Thu Dec 7 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
FRIDAY...

* WHAT...Heavy lake effect snow occurring. Plan on difficult 
  travel conditions, including during the evening commute. 
  Additional snow accumulations of 5 to 10 inches are expected 
  in the most persistent lake snows.

* WHERE...Wyoming, Chautauqua, Cattaraugus, and Southern Erie
  counties. Highest amounts between Dunkirk and Springville.

* WHEN...Until 7 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4254 7826 4265 7809 4276 7806 4281 7842 
        4271 7891 4270 7909 4234 7970 4214 7977 4216 7965 
        4243 7878 
TIME Y17M12D07T1800Z-Y17M12D08T0000Z
COORD...4247 7845 4256 7826 4269 7829 4271 7847 
        4264 7919 4232 7975 4201 7976 4214 7942 4227 7890 
        4230 7854 
TIME Y17M12D08T0000Z-Y17M12D08T0600Z
COORD...4271 7829 4287 7834 4279 7866 4279 7893 
        4237 7965 4236 7944 4241 7908 4247 7898 4251 7870 
        4258 7848 
TIME Y17M12D08T0600Z-Y17M12D08T1200Z

$$

NYZ007-008-080315-
/O.CON.KBUF.LE.W.0008.000000T0000Z-171208T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
202 PM EST Thu Dec 7 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 10 AM EST
FRIDAY...

* WHAT...Heavy lake effect snow occurring. Travel will be very 
  difficult to impossible. Additional snow accumulations of 7 to 
  14 inches are expected in the most persistent lake snows.

* WHERE...Jefferson and Lewis counties. Highest amounts south of
  Watertown.

* WHEN...Until 10 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4404 7516 4412 7548 4403 7592 4390 7606 
        4383 7629 4372 7625 4370 7604 4375 7570 4383 7539 
        4385 7517 
TIME Y17M12D07T1800Z-Y17M12D08T0000Z
COORD...4408 7515 4412 7530 4407 7545 4406 7573 
        4394 7623 4388 7637 4383 7629 4370 7625 4369 7529 
        4371 7514 
TIME Y17M12D08T0000Z-Y17M12D08T0900Z
COORD...4390 7522 4401 7526 4400 7559 4396 7584 
        4392 7588 4386 7634 4374 7628 4379 7569 4381 7569 
        4384 7534 
TIME Y17M12D08T0900Z-Y17M12D08T1500Z

$$

NYZ006-080315-
/O.CON.KBUF.WW.Y.0020.000000T0000Z-171208T1100Z/
Oswego-
Including the city of Oswego
202 PM EST Thu Dec 7 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST
FRIDAY...

* WHAT...Snow occurring. Plan on difficult travel conditions,
  including during the evening commute. Additional snow
  accumulations of 3 to 6 inches are expected.

* WHERE...Oswego county. Highest north of Pulaski.

* WHEN...Until 6 AM Friday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow will result in snow covered roads and limited
visibilities. Slow down and use caution while driving.

Submit snow reports through our website or social media.

&&

$$

SMITH
195 
WWUS41 KBUF 080002
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
702 PM EST Thu Dec 7 2017

NYZ012-019-020-085-080815-
/O.CON.KBUF.LE.W.0008.000000T0000Z-171208T1200Z/
Wyoming-Chautauqua-Cattaraugus-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Orchard Park, 
and Springville
702 PM EST Thu Dec 7 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST
FRIDAY...

* WHAT...Heavy lake effect snow occurring. Plan on difficult
  travel conditions. Additional snow accumulations of 4 to 7 
  inches are expected in the most persistent lake snows.

* WHERE...Wyoming, Chautauqua, Cattaraugus, and Southern Erie 
  counties.

* WHEN...Until 7 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4254 7829 4266 7812 4277 7822 4261 7887 
        4252 7933 4230 7975 4218 7962 4226 7913 4236 7897 
        4242 7863 
TIME Y17M12D07T2100Z-Y17M12D08T0300Z
COORD...4265 7851 4271 7829 4283 7833 4284 7866 
        4265 7901 4260 7926 4232 7975 4219 7977 4239 7908 
        4250 7856 
TIME Y17M12D08T0300Z-Y17M12D08T1200Z

$$

NYZ007-008-080815-
/O.CON.KBUF.LE.W.0008.000000T0000Z-171208T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
702 PM EST Thu Dec 7 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 10 AM EST
FRIDAY...

* WHAT...Heavy lake effect snow occurring. Plan on difficult
  travel conditions. Additional snow accumulations of 5 to 9 
  inches are expected in the most persistent lake snows.

* WHERE...Jefferson and Lewis counties, with greatest snowfall
  expected across the Northern Tug Hill plateau.

* WHEN...Until 10 AM Friday.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4408 7515 4423 7545 4421 7555 4392 7612 
        4385 7623 4378 7623 4365 7598 4366 7563 4381 7539 
        4382 7514 
TIME Y17M12D07T2100Z-Y17M12D08T0600Z
COORD...4410 7527 4413 7556 4424 7556 4426 7578 
        4416 7605 4405 7581 4387 7604 4374 7601 4378 7555 
        4392 7525 
TIME Y17M12D08T0600Z-Y17M12D08T1500Z

$$

NYZ006-080815-
/O.CON.KBUF.WW.Y.0020.000000T0000Z-171208T1100Z/
Oswego-
Including the city of Oswego
702 PM EST Thu Dec 7 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST
FRIDAY...

* WHAT...Snow occurring. Plan on slippery road conditions, 
  including during the evening commute. Additional snow 
  accumulations of 2 to 4 inches are expected.

* WHERE...Northern Oswego county.

* WHEN...Until 6 AM Friday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow will result in snow covered roads and limited
visibilities. Slow down and use caution while driving.

Submit snow reports through our website or social media.

&&

$$

Wood
987 
WWUS41 KBUF 080837
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
337 AM EST Fri Dec 8 2017

NYZ006-080945-
/O.CAN.KBUF.WW.Y.0020.000000T0000Z-171208T1100Z/
Oswego-
Including the city of Oswego
337 AM EST Fri Dec 8 2017

...WINTER WEATHER ADVISORY IS CANCELLED...

The lake snows have moved north of the county.

$$

NYZ012-019-020-085-081200-
/O.CON.KBUF.LE.W.0008.000000T0000Z-171208T1200Z/
Wyoming-Chautauqua-Cattaraugus-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Orchard Park, 
and Springville
337 AM EST Fri Dec 8 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING...

* WHAT...Lake effect snow occurring. Plan on difficult travel 
  conditions. Additional snow accumulations of 1 to 3 inches are 
  expected in the most persistent lake snows.

* WHERE...Wyoming, Chautauqua, Cattaraugus, and Southern Erie 
  counties.

* WHEN...Until 7 AM today.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Snow will fall in relatively narrow bands. If traveling, be 
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4254 7829 4266 7812 4277 7822 4261 7887 
        4252 7933 4230 7975 4218 7962 4226 7913 4236 7897 
        4242 7863 
TIME Y17M12D07T2100Z-Y17M12D08T0300Z
COORD...4265 7851 4271 7829 4283 7833 4284 7866 
        4265 7901 4260 7926 4232 7975 4219 7977 4239 7908 
        4250 7856 
TIME Y17M12D08T0300Z-Y17M12D08T1200Z

$$

NYZ007-008-081500-
/O.CON.KBUF.LE.W.0008.000000T0000Z-171208T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
337 AM EST Fri Dec 8 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 10 AM EST
THIS MORNING...

* WHAT...Lake effect snow occurring. Plan on difficult travel 
  conditions, including during the morning commute. Additional 
  snow accumulations of 2 to 4 inches are expected in the most 
  persistent lake snows.

* WHERE...Jefferson and Lewis counties.

* WHEN...Until 10 AM today.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Snow will fall in relatively narrow bands. If traveling, be 
prepared for rapidly changing road conditions and visibilities.

Submit snow reports through our website or social media.

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4408 7515 4423 7545 4421 7555 4392 7612 
        4385 7623 4378 7623 4365 7598 4366 7563 4381 7539 
        4382 7514 
TIME Y17M12D07T2100Z-Y17M12D08T0600Z
COORD...4410 7527 4413 7556 4424 7556 4426 7578 
        4416 7605 4405 7581 4387 7604 4374 7601 4378 7555 
        4392 7525 
TIME Y17M12D08T0600Z-Y17M12D08T1500Z

$$

NYZ010-011-081500-
/O.NEW.KBUF.WW.Y.0021.171208T0837Z-171208T1500Z/
Northern Erie-Genesee-
Including the cities of Buffalo and Batavia
337 AM EST Fri Dec 8 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Lake effect snow expected. Plan on snow covered and
  slippery road conditions, including during the morning commute.
  Snow accumulations of 2 to 4 inches are expected.

* WHERE...Northern Erie and Genesee counties.

* WHEN...Until 10 AM today.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at 
  times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow will result in snow covered roads and limited
visibilities. Slow down and use caution while driving.

Submit snow reports through our website or social media.

&&

$$

TMA
827 
WWUS41 KBUF 081129
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
629 AM EST Fri Dec 8 2017

NYZ012-019-020-085-081230-
/O.CAN.KBUF.LE.W.0008.000000T0000Z-171208T1200Z/
Wyoming-Chautauqua-Cattaraugus-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Orchard Park, 
and Springville
629 AM EST Fri Dec 8 2017

...LAKE EFFECT SNOW WARNING IS CANCELLED...

While there will be some areas of light snow and flurries through
8 AM EST...the accumulating lake snows have pushed away to the 
north.

$$

NYZ007-008-081500-
/O.CON.KBUF.LE.W.0008.000000T0000Z-171208T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
629 AM EST Fri Dec 8 2017

...LAKE EFFECT SNOW WARNING REMAINS IN EFFECT UNTIL 10 AM EST
THIS MORNING...

* WHAT...Moderate to occasionally heavy lake effect snow occurring.
  Plan on difficult travel conditions, including this mornings 
  commute. Additional snow accumulations of up to 2 inches are 
  expected in the most persistent lake snows.

* WHERE...Northern Jefferson county and the northern tip of Lewis
  county. 

* WHEN...Until 10 AM today.

* ADDITIONAL DETAILS...Be prepared for significant reductions in 
  visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Heavy snow will fall in relatively narrow bands. If traveling, be
prepared for rapidly changing road conditions and visibilities. 

&&

Experimental content below...do not use operationally
Please see below links for more information on this experiment
http://www.weather.gov/buf/polygon_pdd
http://www.nws.noaa.gov/os/notification/
pns15lake_effect_snowaaa.htm
To view the experimental polygons please see:
http://www.weather.gov/buf/lespolygon
COORD...4408 7515 4423 7545 4421 7555 4392 7612 
        4385 7623 4378 7623 4365 7598 4366 7563 4381 7539 
        4382 7514 
TIME Y17M12D07T2100Z-Y17M12D08T0600Z
COORD...4410 7527 4413 7556 4424 7556 4426 7578 
        4416 7605 4405 7581 4387 7604 4374 7601 4378 7555 
        4392 7525 
TIME Y17M12D08T0600Z-Y17M12D08T1500Z

$$

NYZ010-011-081500-
/O.CON.KBUF.WW.Y.0021.000000T0000Z-171208T1500Z/
Northern Erie-Genesee-
Including the cities of Buffalo and Batavia
629 AM EST Fri Dec 8 2017

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* WHAT...Snow occurring. Plan on slippery road conditions, 
  including during the morning commute. Additional snow 
  accumulations of up to 2 inches are expected.

* WHERE...Northern Erie and Genesee counties.

* WHEN...Until 10 AM today.

* ADDITIONAL DETAILS...Be prepared for greatly reduced 
  visibilities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow will result in snow covered roads and limited
visibilities. Slow down and use caution while driving.

&&

$$
372 
WWUS41 KBUF 081430
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
930 AM EST Fri Dec 8 2017

NYZ007-008-081530-
/O.CAN.KBUF.LE.W.0008.000000T0000Z-171208T1500Z/
Jefferson-Lewis-
Including the cities of Watertown and Lowville
930 AM EST Fri Dec 8 2017

...LAKE EFFECT SNOW WARNING IS CANCELLED...

The lake snows have greatly weakened and will continue to wind
down through the remainder of the day, therefore the Lake Effect 
Snow Warning has been cancelled.

$$

NYZ010-011-081530-
/O.CAN.KBUF.WW.Y.0021.000000T0000Z-171208T1500Z/
Northern Erie-Genesee-
Including the cities of Buffalo and Batavia
930 AM EST Fri Dec 8 2017

...WINTER WEATHER ADVISORY IS CANCELLED...

The lake snows have greatly weakened and will continue to wind
down through the remainder of the day, therefore the Winter 
Weather Advisory has been cancelled.

$$

JJR

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 4, 7:35 PM ESTWind AdvisoryBUFChautauqua, Erie8 hr
Dec 4, 7:53 PM ESTGale WarningBUF41 hr
Dec 5, 3:49 AM ESTLakeshore Flood WarningBUFJefferson, Oswego33 hr
Dec 5, 1:01 PM ESTWinter Weather AdvisoryBUFErie, Genesee33 hr

Nearby

Lake Effect Snow Warnings in New York, 2017Every lake effect snow warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.