Alert archive / New York / Winter Storm Warnings in 2018

Winter Storm Warning 8, NWS Buffalo, NY

November 13, 2018Cayuga County, Oswego County, Wayne County, New York

NWS Buffalo, NY issued this winter storm warning at Nov 13, 2018, 12:58 PM EST for Cayuga County, Oswego County, Wayne County, New York. It took effect at Nov 13, 2018, 7:00 PM EST. It was in force for 15 hr. 1 report 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
Nov 13, 2018, 12:58 PM EST (17:58 UTC)
In effect from
Nov 13, 2018, 7:00 PM EST
Expired
Nov 14, 2018, 9:31 AM EST
In force
15 hr
Issued by
NWS Buffalo, NY

Counties Cayuga County, NY, Oswego County, NY, Wayne County, NY

The radar

The Ft Drum radar (KTYX), 97 km from the middle of the area, began a volume at 17:58 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
Nov 14, 7:00 AM ESTSNOW 3.52 Sw Walworth, NY24-HOUR SNOWFALL.

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 174 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 2018-11-13Temperature 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 2018-11-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 square meters per square second.1939587897117136156175Sfc1 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
663 m above ground
0-6 km bulk shear
94 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

268 
WWUS41 KBUF 131758
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
1258 PM EST Tue Nov 13 2018

NYZ004>006-140200-
/O.UPG.KBUF.WS.A.0006.181114T0000Z-181114T2300Z/
/O.NEW.KBUF.WS.W.0008.181114T0000Z-181114T2300Z/
Wayne-Northern Cayuga-Oswego-
Including the cities of Newark, Fair Haven, and Oswego
1258 PM EST Tue Nov 13 2018

...WINTER STORM WARNING IN EFFECT FROM 7 PM THIS EVENING TO 6 PM
EST WEDNESDAY...

* WHAT...Heavy lake effect snow expected. Total snow accumulations
  of 6 to 15 inches expected in the most persistent lake snows.

* WHERE...Northern Wayne, Northern Cayuga, and Western Oswego 
  counties.

* WHEN...From 7 PM this evening to 6 PM EST Wednesday.

* ADDITIONAL DETAILS...Travel could be very difficult to 
  impossible. The hazardous conditions could impact the morning 
  or evening commute.

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...4322 7647 4327 7631 4339 7664 4331 7695 
        4329 7695 4332 7729 4320 7737 4309 7694 4303 7677 
        4302 7650 
TIME Y18M11D14T0000Z-Y18M11D14T1200Z
COORD...4325 7609 4336 7634 4340 7673 4329 7702 
        4321 7701 4307 7673 4302 7650 4322 7647 4317 7597 
        4322 7629 
TIME Y18M11D14T1200Z-Y18M11D14T2300Z

$$

NYZ003-140200-
/O.NEW.KBUF.WW.Y.0062.181114T0000Z-181114T2300Z/
Monroe-
Including the city of Rochester
1258 PM EST Tue Nov 13 2018

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO
6 PM EST WEDNESDAY...

* WHAT...Lake effect snow expected. Total snow accumulations of 
  3 to 5 inches expected in the most persistent lake snows. 
  Winds gusting as high as 35 mph.

* WHERE...Monroe county, mainly north of the Thruway.

* WHEN...From 7 PM this evening to 6 PM EST Wednesday.

* ADDITIONAL DETAILS...Plan on slippery road conditions. The 
  hazardous conditions could impact the morning or evening 
  commute.

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.

&&

$$

Zaff
4 follow-up statements
915 
WWUS41 KBUF 132342
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
642 PM EST Tue Nov 13 2018

NYZ004>006-140745-
/O.CON.KBUF.WS.W.0008.181114T0000Z-181114T2300Z/
Wayne-Northern Cayuga-Oswego-
Including the cities of Newark, Fair Haven, and Oswego
642 PM EST Tue Nov 13 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM EST
WEDNESDAY...

* WHAT...Heavy lake effect snow expected. Total snow 
  accumulations of 7 to 14 inches expected in the most 
  persistent lake snows.

* WHERE...Wayne, Northern Cayuga, and Oswego counties.

* WHEN...Until 6 PM EST Wednesday.

* ADDITIONAL DETAILS...Travel could be very difficult. The
  hazardous conditions will impact the Wednesday morning  
  commute.

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...4322 7647 4327 7631 4339 7664 4331 7695 
        4329 7695 4332 7729 4320 7737 4309 7694 4303 7677 
        4302 7650 
TIME Y18M11D14T0000Z-Y18M11D14T1200Z
COORD...4325 7609 4336 7634 4340 7673 4329 7702 
        4321 7701 4307 7673 4302 7650 4322 7647 4317 7597 
        4322 7629 
TIME Y18M11D14T1200Z-Y18M11D14T2300Z

$$

NYZ003-140745-
/O.CON.KBUF.WW.Y.0062.181114T0000Z-181114T2300Z/
Monroe-
Including the city of Rochester
642 PM EST Tue Nov 13 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST
WEDNESDAY...

* WHAT...Lake effect snow expected. Total snow accumulations of 3
  to 6 inches expected in the most persistent lake snows.

* WHERE...Monroe county. The most persistent snows will be north
  of downtown Rochester, close to the Lake Ontario shoreline.

* WHEN...Until 6 PM EST Wednesday.

* ADDITIONAL DETAILS...Plan on slippery road conditions. The
  hazardous conditions could impact the Wednesday morning 
  commute.

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
804 
WWUS41 KBUF 140250
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
950 PM EST Tue Nov 13 2018

NYZ004>006-141100-
/O.CON.KBUF.WS.W.0008.000000T0000Z-181114T2300Z/
Wayne-Northern Cayuga-Oswego-
Including the cities of Newark, Fair Haven, and Oswego
950 PM EST Tue Nov 13 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM EST
WEDNESDAY...

* WHAT...Heavy lake effect snow. Additional snow accumulations 
  of 7 to 14 inches in the most persistent lake snows.

* WHERE...Wayne, Northern Cayuga, and Oswego counties.

* WHEN...Until 6 PM EST Wednesday.

* ADDITIONAL DETAILS...Travel could be very difficult. The
  hazardous conditions will impact the Wednesday morning  
  commute.

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...4324 7586 4330 7603 4337 7647 4336 7680 
        4329 7695 4333 7738 4325 7745 4301 7680 4302 7650 
        4320 7647 
TIME Y18M11D14T0000Z-Y18M11D14T1200Z
COORD...4321 7620 4329 7627 4336 7656 4336 7677 
        4329 7695 4333 7738 4325 7745 4303 7701 4302 7650 
        4318 7647 
TIME Y18M11D14T1200Z-Y18M11D14T2300Z

$$

NYZ003-141100-
/O.CON.KBUF.WW.Y.0062.000000T0000Z-181114T2300Z/
Monroe-
Including the city of Rochester
950 PM EST Tue Nov 13 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST
WEDNESDAY...

* WHAT...Lake effect snow. Additional snow accumulations of 3 to 6
  inches in the most persistent lake snows. 

* WHERE...Monroe county. The most persistent snows will be north
  of downtown Rochester, close to the Lake Ontario shoreline.

* WHEN...Until 6 PM EST Wednesday.

* ADDITIONAL DETAILS...Plan on slippery road conditions. The
  hazardous conditions could impact the Wednesday morning 
  commute.

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
432 
WWUS41 KBUF 140919
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
419 AM EST Wed Nov 14 2018

NYZ004>006-141730-
/O.CON.KBUF.WS.W.0008.000000T0000Z-181114T2300Z/
Wayne-Northern Cayuga-Oswego-
Including the cities of Newark, Fair Haven, and Oswego
419 AM EST Wed Nov 14 2018

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM EST THIS
EVENING...

* WHAT...Heavy lake effect snow. Additional snow accumulations of
  3 to 6 inches in the most persistent lake snows.

* WHERE...Wayne, Northern Cayuga, and Oswego counties.

* WHEN...Until 6 PM EST this evening.

* ADDITIONAL DETAILS...Plan on slippery road conditions. The
  hazardous conditions will impact the morning commute.

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...4328 7623 4332 7681 4329 7695 4333 7738 
        4323 7748 4309 7691 4302 7662 4302 7650 4318 7647 
        4320 7626 
TIME Y18M11D14T0900Z-Y18M11D14T1200Z
COORD...4322 7647 4327 7631 4334 7683 4329 7695 
        4332 7729 4327 7745 4320 7743 4305 7701 4302 7650 
        4318 7647 
TIME Y18M11D14T1200Z-Y18M11D14T2300Z

$$

NYZ003-141730-
/O.CON.KBUF.WW.Y.0062.000000T0000Z-181114T2300Z/
Monroe-
Including the city of Rochester
419 AM EST Wed Nov 14 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS
EVENING...

* WHAT...Lake effect snow. Additional snow accumulations of 2 to 4
  inches in the most persistent lake snows. 

* WHERE...Monroe county.

* WHEN...Until 6 PM EST this evening.

* ADDITIONAL DETAILS...Plan on slippery road conditions. The
  hazardous conditions will impact the morning commute.

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.

&&

$$

SW/TMA
970 
WWUS41 KBUF 141431
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
931 AM EST Wed Nov 14 2018

NYZ004-005-142245-
/O.CAN.KBUF.WS.W.0008.000000T0000Z-181114T2300Z/
/O.EXA.KBUF.WW.Y.0062.000000T0000Z-181114T2300Z/
Wayne-Northern Cayuga-
Including the cities of Newark and Fair Haven
931 AM EST Wed Nov 14 2018

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM EST THIS
EVENING...
...WINTER STORM WARNING IS CANCELLED...

* WHAT...Lake effect snow. Additional snow accumulations of 1 to 
  3 inches in the most persistent lake snows.

* WHERE...Wayne and Northern Cayuga counties.

* WHEN...Until 6 PM EST this evening.

* ADDITIONAL DETAILS...Plan on slippery road conditions. The 
  hazardous conditions will impact the morning commute.

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.

&&

$$

NYZ006-141545-
/O.CAN.KBUF.WS.W.0008.000000T0000Z-181114T2300Z/
Oswego-
Including the city of Oswego
931 AM EST Wed Nov 14 2018

...WINTER STORM WARNING IS CANCELLED...

Lake effect snow showers will continue today however intensity
will be light. Additional snow accumulation will remain under an 
inch. 

$$

NYZ003-142245-
/O.CON.KBUF.WW.Y.0062.000000T0000Z-181114T2300Z/
Monroe-
Including the city of Rochester
931 AM EST Wed Nov 14 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS
EVENING...

* WHAT...Lake effect snow. Additional snow accumulations of 2 to 
  4 inches in the most persistent lake snows.

* WHERE...Monroe county.

* WHEN...Until 6 PM EST this evening.

* ADDITIONAL DETAILS...Plan on slippery road conditions. The 
  hazardous conditions will impact the morning commute.

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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 13, 3:45 AM ESTWinter Storm WatchBUFCayuga, Oswego, Wayne9 hr
Nov 13, 3:46 AM ESTSmall Craft AdvisoryBUF42 hr
Nov 13, 12:58 PM ESTWinter Weather AdvisoryBUFCayuga, Monroe, Wayne24 hr

Nearby

Winter Storm Warnings in New York, 2018Every winter storm warning in 2018

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.