Alert archive / New York / Winter Weather Advisories in 2019

Winter Weather Advisory 21, NWS Buffalo, NY

February 19, 201916 counties in New York

NWS Buffalo, NY issued this winter weather advisory at Feb 19, 2019, 2:34 PM EST for 16 counties in New York. It took effect at Feb 20, 2019, 10:00 AM EST. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Feb 19, 2019, 2:34 PM EST (19:34 UTC)
In effect from
Feb 20, 2019, 10:00 AM EST
Expired
Feb 21, 2019, 10:00 AM EST
In force
24 hr
Issued by
NWS Buffalo, NY

Counties Allegany County, NY, Cattaraugus County, NY, Cayuga County, NY, Chautauqua County, NY, Erie County, NY, Genesee County, NY, Jefferson County, NY, Lewis County, NY, Livingston County, NY, Monroe County, NY, Niagara County, NY, Ontario County, NY, Orleans County, NY, Oswego County, NY, Wayne County, NY, Wyoming County, NY

The radar

The Buffalo radar (KBUF), 90 km from the middle of the area, began a volume at 19:36 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 7.6 hours before the alert went out and 87 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 2019-02-19Temperature 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 2019-02-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -95 square meters per square second.1939587897117136156175194Sfc1 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
726 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
-95 m²/s²
0-3 km storm-relative helicity
-46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

167 
WWUS41 KBUF 191934
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
234 PM EST Tue Feb 19 2019

NYZ012-019>021-085-200345-
/O.NEW.KBUF.WW.Y.0021.190220T1500Z-190221T0600Z/
Wyoming-Chautauqua-Cattaraugus-Allegany-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Wellsville, 
Orchard Park, and Springville
234 PM EST Tue Feb 19 2019

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM WEDNESDAY TO 1 AM
EST THURSDAY...

* WHAT...Mixed precipitation expected. Total snow accumulations 
  of an inch or less and ice accumulations of a few hundredths 
  of an inch expected. Winds gusting as high as 40 mph.

* WHERE...Southern Erie and Wyoming counties and the western 
  Southern Tier.

* WHEN...From 10 AM Wednesday to 1 AM EST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$

NYZ001-002-010-011-200345-
/O.NEW.KBUF.WW.Y.0021.190220T1800Z-190221T0300Z/
Niagara-Orleans-Northern Erie-Genesee-
Including the cities of Niagara Falls, Medina, Buffalo, 
and Batavia
234 PM EST Tue Feb 19 2019

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 PM TO 10 PM EST
WEDNESDAY...

* WHAT...Mixed precipitation expected. Total ice accumulations of
  a few hundredths of an inch expected and less than an inch of
  snow expected.

* WHERE...Niagara, Orleans, Northern Erie, and Genesee counties.

* WHEN...From 1 PM to 10 PM EST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$

NYZ003>005-013-014-200345-
/O.NEW.KBUF.WW.Y.0021.190220T1800Z-190221T0600Z/
Monroe-Wayne-Northern Cayuga-Livingston-Ontario-
Including the cities of Rochester, Newark, Fair Haven, Geneseo, 
and Canandaigua
234 PM EST Tue Feb 19 2019

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

* WHAT...Mixed precipitation expected. Total snow accumulations 
  of an inch or less and ice accumulations of a few hundredths 
  of an inch expected. Winds gusting as high as 35 mph.

* WHERE...The Genesee Valley and northern Finger Lakes.

* WHEN...From 1 PM Wednesday to 1 AM EST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$

NYZ006>008-200345-
/O.NEW.KBUF.WW.Y.0021.190221T0000Z-190221T1200Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
234 PM EST Tue Feb 19 2019

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM WEDNESDAY TO 7 AM
EST THURSDAY...

* WHAT...Mixed precipitation expected. Total snow accumulations 
  of an inch or less and ice accumulations of a few hundredths 
  of an inch expected.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...From 7 PM Wednesday to 7 AM EST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$
10 follow-up statements
279 
WWUS41 KBUF 200224
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
924 PM EST Tue Feb 19 2019

NYZ012-019>021-085-201030-
/O.CON.KBUF.WW.Y.0021.190220T1500Z-190221T0600Z/
Wyoming-Chautauqua-Cattaraugus-Allegany-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Wellsville, 
Orchard Park, and Springville
924 PM EST Tue Feb 19 2019

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM WEDNESDAY
TO 1 AM EST THURSDAY...

* WHAT...Mixed precipitation expected. Total snow accumulations 
  of an inch or less and ice accumulations of a few hundredths 
  of an inch expected. Winds gusting as high as 40 mph.

* WHERE...Southern Erie and Wyoming counties and the western 
  Southern Tier.

* WHEN...From 10 AM Wednesday to 1 AM EST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$

NYZ001-002-010-011-201030-
/O.CON.KBUF.WW.Y.0021.190220T1800Z-190221T0300Z/
Niagara-Orleans-Northern Erie-Genesee-
Including the cities of Niagara Falls, Medina, Buffalo, 
and Batavia
924 PM EST Tue Feb 19 2019

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM TO 10 PM
EST WEDNESDAY...

* WHAT...Mixed precipitation expected. Total ice accumulations 
  of a few hundredths of an inch expected and less than an inch 
  of snow expected.

* WHERE...Niagara, Orleans, Northern Erie, and Genesee counties.

* WHEN...From 1 PM to 10 PM EST Wednesday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$

NYZ003>005-013-014-201030-
/O.CON.KBUF.WW.Y.0021.190220T1800Z-190221T0600Z/
Monroe-Wayne-Northern Cayuga-Livingston-Ontario-
Including the cities of Rochester, Newark, Fair Haven, Geneseo, 
and Canandaigua
924 PM EST Tue Feb 19 2019

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

* WHAT...Mixed precipitation expected. Total snow accumulations 
  of an inch or less and ice accumulations of a few hundredths 
  of an inch expected. Winds gusting as high as 35 mph.

* WHERE...The Genesee Valley and western Finger Lakes.

* WHEN...From 1 PM Wednesday to 1 AM EST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$

NYZ006>008-201030-
/O.CON.KBUF.WW.Y.0021.190221T0000Z-190221T1200Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
924 PM EST Tue Feb 19 2019

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM WEDNESDAY
TO 7 AM EST THURSDAY...

* WHAT...Mixed precipitation expected. Total snow accumulations 
  of an inch or less and ice accumulations of a few hundredths 
  of an inch expected.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...From 7 PM Wednesday to 7 AM EST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$

Hitchcock
136 
WWUS41 KBUF 200836
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
336 AM EST Wed Feb 20 2019

NYZ012-019>021-085-201645-
/O.CON.KBUF.WW.Y.0021.190220T1500Z-190221T0600Z/
Wyoming-Chautauqua-Cattaraugus-Allegany-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Wellsville, 
Orchard Park, and Springville
336 AM EST Wed Feb 20 2019

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM THIS
MORNING TO 1 AM EST THURSDAY...

* WHAT...Mixed precipitation expected. Total snow accumulations of
  an inch or less and ice accumulations of a few hundredths of an
  inch expected. Winds gusting as high as 45 mph, especially near
  the Lake Erie shoreline.

* WHERE...Southern Erie and Wyoming counties and the western 
  Southern Tier.

* WHEN...From 10 AM this morning to 1 AM EST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$

NYZ001-002-010-011-201645-
/O.CON.KBUF.WW.Y.0021.190220T1800Z-190221T0300Z/
Niagara-Orleans-Northern Erie-Genesee-
Including the cities of Niagara Falls, Medina, Buffalo, 
and Batavia
336 AM EST Wed Feb 20 2019

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 PM THIS
AFTERNOON TO 10 PM EST THIS EVENING...

* WHAT...Mixed precipitation expected. Total ice accumulations of
  a few hundredths of an inch expected and less than an inch of
  snow expected. Winds gusting as high as 40 mph.

* WHERE...Niagara, Orleans, Northern Erie, and Genesee counties.

* WHEN...From 1 PM this afternoon to 10 PM EST this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$

NYZ003>005-013-014-201645-
/O.CON.KBUF.WW.Y.0021.190220T1800Z-190221T0600Z/
Monroe-Wayne-Northern Cayuga-Livingston-Ontario-
Including the cities of Rochester, Newark, Fair Haven, Geneseo, 
and Canandaigua
336 AM EST Wed Feb 20 2019

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

* WHAT...Mixed precipitation expected. Total snow accumulations 
  of an inch or less and ice accumulations of a few hundredths 
  of an inch expected. Winds gusting as high as 35 mph.

* WHERE...The Genesee Valley and western Finger Lakes.

* WHEN...From 1 PM this afternoon to 1 AM EST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$

NYZ006>008-201645-
/O.CON.KBUF.WW.Y.0021.190221T0000Z-190221T1200Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
336 AM EST Wed Feb 20 2019

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 7 AM EST THURSDAY...

* WHAT...Mixed precipitation expected. Total snow accumulations 
  of an inch or less and ice accumulations of a few hundredths 
  of an inch expected.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...From 7 PM this evening to 7 AM EST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$
584 
WWUS41 KBUF 201628
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
1128 AM EST Wed Feb 20 2019

NYZ012-019>021-085-210030-
/O.CON.KBUF.WW.Y.0021.000000T0000Z-190221T0600Z/
Wyoming-Chautauqua-Cattaraugus-Allegany-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Wellsville, 
Orchard Park, and Springville
1128 AM EST Wed Feb 20 2019

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

* WHAT...Mixed precipitation expected. Total snow accumulations 
  of an inch or less and ice accumulations of a few hundredths 
  of an inch expected. Winds gusting as high as 45 mph, 
  especially near the Lake Erie shoreline.

* WHERE...Southern Erie and Wyoming counties and the western 
  Southern Tier.

* WHEN...Until 1 AM EST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$

NYZ001-002-010-011-210030-
/O.CON.KBUF.WW.Y.0021.190220T1800Z-190221T0300Z/
Niagara-Orleans-Northern Erie-Genesee-
Including the cities of Niagara Falls, Medina, Buffalo, 
and Batavia
1128 AM EST Wed Feb 20 2019

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS
EVENING...

* WHAT...Mixed precipitation expected. Total ice accumulations 
  of a few hundredths of an inch expected and less than an inch 
  of snow expected. Winds gusting as high as 40 mph.

* WHERE...Niagara, Orleans, Northern Erie, and Genesee counties.

* WHEN...Until 10 PM EST this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$

NYZ003>005-013-014-210030-
/O.CON.KBUF.WW.Y.0021.190220T1800Z-190221T0600Z/
Monroe-Wayne-Northern Cayuga-Livingston-Ontario-
Including the cities of Rochester, Newark, Fair Haven, Geneseo, 
and Canandaigua
1128 AM EST Wed Feb 20 2019

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

* WHAT...Mixed precipitation expected. Total snow accumulations 
  of an inch or less and ice accumulations of a few hundredths 
  of an inch expected. Winds gusting as high as 35 mph.

* WHERE...The Genesee Valley and northern Finger Lakes.

* WHEN...Until 1 AM EST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$

NYZ006>008-210030-
/O.CON.KBUF.WW.Y.0021.190221T0000Z-190221T1200Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
1128 AM EST Wed Feb 20 2019

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 7 AM EST THURSDAY...

* WHAT...Mixed precipitation expected. Total snow accumulations 
  of an inch or less and ice accumulations of a few hundredths 
  of an inch expected.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...From 7 PM this evening to 7 AM EST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$
406 
WWUS41 KBUF 201914
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
214 PM EST Wed Feb 20 2019

NYZ001-010-202015-
/O.CAN.KBUF.WW.Y.0021.000000T0000Z-190221T0300Z/
Niagara-Northern Erie-
Including the cities of Niagara Falls and Buffalo
214 PM EST Wed Feb 20 2019

...WINTER WEATHER ADVISORY IS CANCELLED...

Temperatures have warmed to near or above freezing for most 
locations and will continue to rise this evening. As a result, the
threat for freezing precipitation is minimal.

$$

NYZ012-019>021-085-210315-
/O.CON.KBUF.WW.Y.0021.000000T0000Z-190221T0600Z/
Wyoming-Chautauqua-Cattaraugus-Allegany-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Wellsville, 
Orchard Park, and Springville
214 PM EST Wed Feb 20 2019

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

* WHAT...Mixed precipitation. Ice accumulations of a few 
  hundredths of an inch. Winds gusting as high as 40 mph.

* WHERE...Southern Erie and Wyoming counties and the western 
  Southern Tier.

* WHEN...Until 1 AM EST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$

NYZ002-011-210300-
/O.CON.KBUF.WW.Y.0021.000000T0000Z-190221T0300Z/
Orleans-Genesee-
Including the cities of Medina and Batavia
214 PM EST Wed Feb 20 2019

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS
EVENING...

* WHAT...Mixed precipitation. Trace ice accumulations possible.

* WHERE...Orleans and Genesee counties.

* WHEN...Until 10 PM EST this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$

NYZ003>005-013-014-210315-
/O.CON.KBUF.WW.Y.0021.000000T0000Z-190221T0600Z/
Monroe-Wayne-Northern Cayuga-Livingston-Ontario-
Including the cities of Rochester, Newark, Fair Haven, Geneseo, 
and Canandaigua
214 PM EST Wed Feb 20 2019

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

* WHAT...Mixed precipitation. Additional snow accumulations of 
  an inch or less and ice accumulations of a few hundredths of 
  an inch. Winds gusting as high as 35 mph.

* WHERE...The Genesee Valley and northern Finger Lakes.

* WHEN...Until 1 AM EST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$

NYZ006>008-210315-
/O.CON.KBUF.WW.Y.0021.190221T0000Z-190221T1200Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
214 PM EST Wed Feb 20 2019

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 7 AM EST THURSDAY...

* WHAT...Mixed precipitation expected. Total snow accumulations 
  of an inch or less and ice accumulations of a few hundredths 
  of an inch expected. Winds gusting as high as 35 mph.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...From 7 PM this evening to 7 AM EST Thursday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$
887 
WWUS41 KBUF 210006
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
706 PM EST Wed Feb 20 2019

NYZ001-010-210300-
/O.EXA.KBUF.WW.Y.0021.000000T0000Z-190221T0300Z/
Niagara-Northern Erie-
Including the cities of Niagara Falls and Buffalo
706 PM EST Wed Feb 20 2019

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 PM EST THIS
EVENING...

* WHAT...Freezing rain. Ice accumulations of a few hundredths of 
  an inch.

* WHERE...Niagara and Northern Erie counties.

* WHEN...Until 10 PM EST this evening.

* ADDITIONAL DETAILS...Untreated roads may become slippery briefly
  this evening before temperatures rise overnight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of freezing rain will result in slick roads. Slow down
and use caution while driving.

Submit ice reports through our website or social media.

&&

$$

NYZ012-019>021-085-210600-
/O.CON.KBUF.WW.Y.0021.000000T0000Z-190221T0600Z/
Wyoming-Chautauqua-Cattaraugus-Allegany-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Wellsville, 
Orchard Park, and Springville
706 PM EST Wed Feb 20 2019

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

* WHAT...Freezing rain. Additional ice accumulations of around 
  one tenth of an inch. Winds gusting as high as 35 mph.

* WHERE...Southern Erie and Wyoming counties and the western 
  Southern Tier.

* WHEN...Until 1 AM EST Thursday.

* ADDITIONAL DETAILS...Untreated roads may become slippery briefly
  this evening before temperatures rise overnight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of freezing rain will result in slick roads. Slow down
and use caution while driving.

Submit ice reports through our website or social media.

&&

$$

NYZ002-011-210300-
/O.CON.KBUF.WW.Y.0021.000000T0000Z-190221T0300Z/
Orleans-Genesee-
Including the cities of Medina and Batavia
706 PM EST Wed Feb 20 2019

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM EST THIS
EVENING...

* WHAT...Freezing rain. Ice accumulations of a few hundredths of 
  an inch.

* WHERE...Orleans and Genesee counties.

* WHEN...Until 10 PM EST this evening.

* ADDITIONAL DETAILS...Untreated roads may become slippery briefly
  this evening before temperatures rise overnight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of freezing rain will result in slick roads. Slow down
and use caution while driving.

Submit ice reports through our website or social media.

&&

$$

NYZ003>005-013-014-210600-
/O.CON.KBUF.WW.Y.0021.000000T0000Z-190221T0600Z/
Monroe-Wayne-Northern Cayuga-Livingston-Ontario-
Including the cities of Rochester, Newark, Fair Haven, Geneseo, 
and Canandaigua
706 PM EST Wed Feb 20 2019

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

* WHAT...Freezing rain. Ice accumulations of a few hundredths of 
  an inch. Winds gusting as high as 35 mph.

* WHERE...The Genesee Valley and northern Finger Lakes.

* WHEN...Until 1 AM EST Thursday.

* ADDITIONAL DETAILS...Untreated roads may become slippery briefly
  this evening before temperatures rise overnight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of freezing rain will result in slick roads. Slow down
and use caution while driving.

Submit ice reports through our website or social media.

&&

$$

NYZ006>008-210815-
/O.CON.KBUF.WW.Y.0021.000000T0000Z-190221T1200Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
706 PM EST Wed Feb 20 2019

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
THURSDAY...

* WHAT...Mixed precipitation. Additional snow accumulations of 
  an inch or less and ice accumulations of up to one tenth of an 
  inch.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...Until 7 AM EST Thursday.

* ADDITIONAL DETAILS...Plan on slippery road conditions due to
  light snow and ice.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$

Hitchcock
079 
WWUS41 KBUF 210244
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
944 PM EST Wed Feb 20 2019

NYZ001-002-010-011-210600-
/O.EXT.KBUF.WW.Y.0021.000000T0000Z-190221T0600Z/
Niagara-Orleans-Northern Erie-Genesee-
Including the cities of Niagara Falls, Medina, Buffalo, 
and Batavia
944 PM EST Wed Feb 20 2019

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

* WHAT...Freezing rain. Ice accumulations of a few hundredths of 
  an inch.

* WHERE...Niagara, Orleans, Northern Erie, and Genesee counties.

* WHEN...Until 1 AM EST Thursday.

* ADDITIONAL DETAILS...Untreated roads, sidewalks, and parking
  lots may become slippery briefly this evening before 
  temperatures rise overnight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of freezing rain will result in slick roads. Slow down
and use caution while driving.

Submit ice reports through our website or social media.

&&

$$

NYZ012-019>021-085-210600-
/O.CON.KBUF.WW.Y.0021.000000T0000Z-190221T0600Z/
Wyoming-Chautauqua-Cattaraugus-Allegany-Southern Erie-
Including the cities of Warsaw, Jamestown, Olean, Wellsville, 
Orchard Park, and Springville
944 PM EST Wed Feb 20 2019

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

* WHAT...Freezing rain. Additional ice accumulations of around 
  one tenth of an inch. Winds gusting as high as 35 mph.

* WHERE...Southern Erie and Wyoming counties and the western 
  Southern Tier.

* WHEN...Until 1 AM EST Thursday.

* ADDITIONAL DETAILS...Untreated roads, sidewalks, and parking
  lots may become slippery briefly this evening before 
  temperatures rise overnight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of freezing rain will result in slick roads. Slow down
and use caution while driving.

Submit ice reports through our website or social media.

&&

$$

NYZ003>005-013-014-210600-
/O.CON.KBUF.WW.Y.0021.000000T0000Z-190221T0600Z/
Monroe-Wayne-Northern Cayuga-Livingston-Ontario-
Including the cities of Rochester, Newark, Fair Haven, Geneseo, 
and Canandaigua
944 PM EST Wed Feb 20 2019

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

* WHAT...Freezing rain. Ice accumulations of a few hundredths of 
  an inch. Winds gusting as high as 35 mph.

* WHERE...The Genesee Valley and western Finger Lakes.

* WHEN...Until 1 AM EST Thursday.

* ADDITIONAL DETAILS...Untreated roads, sidewalks, and parking
  lots may become slippery briefly this evening before 
  temperatures rise overnight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of freezing rain will result in slick roads. Slow down
and use caution while driving.

Submit ice reports through our website or social media.

&&

$$

NYZ006>008-211045-
/O.CON.KBUF.WW.Y.0021.000000T0000Z-190221T1200Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
944 PM EST Wed Feb 20 2019

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
THURSDAY...

* WHAT...Mixed precipitation. Additional snow accumulations of 
  an inch or less and ice accumulations of up to one tenth of an 
  inch.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...Until 7 AM EST Thursday.

* ADDITIONAL DETAILS...Plan on slippery road conditions due to 
  light snow and ice.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$

Hitchcock
716 
WWUS41 KBUF 210526
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
1226 AM EST Thu Feb 21 2019

NYZ001>003-010>014-085-210630-
/O.CAN.KBUF.WW.Y.0021.000000T0000Z-190221T0600Z/
Niagara-Orleans-Monroe-Northern Erie-Genesee-Wyoming-Livingston-
Ontario-Southern Erie-
Including the cities of Niagara Falls, Medina, Rochester, 
Buffalo, Batavia, Warsaw, Geneseo, Canandaigua, Orchard Park, 
and Springville
1226 AM EST Thu Feb 21 2019

...WINTER WEATHER ADVISORY IS CANCELLED...

Temperatures have risen above freezing.

$$

NYZ019>021-210900-
/O.EXT.KBUF.WW.Y.0021.000000T0000Z-190221T0900Z/
Chautauqua-Cattaraugus-Allegany-
Including the cities of Jamestown, Olean, and Wellsville
1226 AM EST Thu Feb 21 2019

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 4 AM EST EARLY
THIS MORNING...

* WHAT...Freezing rain. Additional ice accumulations of a few
  hundredths of an inch. Winds gusting as high as 35 mph.

* WHERE...The western Southern Tier.

* WHEN...Until 4 AM EST early this morning.

* ADDITIONAL DETAILS...Untreated roads, sidewalks, and parking 
  lots may become slippery briefly this evening before 
  temperatures rise overnight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of freezing rain will result in slick roads. Slow down
and use caution while driving.

Submit ice reports through our website or social media.

&&

$$

NYZ004-005-210900-
/O.EXT.KBUF.WW.Y.0021.000000T0000Z-190221T0900Z/
Wayne-Northern Cayuga-
Including the cities of Newark and Fair Haven
1226 AM EST Thu Feb 21 2019

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 4 AM EST EARLY
THIS MORNING...

* WHAT...Freezing rain. Ice accumulations of a few hundredths of 
  an inch. Winds gusting as high as 35 mph.

* WHERE...Wayne and Northern Cayuga counties.

* WHEN...Until 4 AM EST early this morning.

* ADDITIONAL DETAILS...Untreated roads, sidewalks, and parking 
  lots may become slippery briefly this evening before 
  temperatures rise overnight.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of freezing rain will result in slick roads. Slow down
and use caution while driving.

Submit ice reports through our website or social media.

&&

$$

NYZ006>008-211200-
/O.CON.KBUF.WW.Y.0021.000000T0000Z-190221T1200Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
1226 AM EST Thu Feb 21 2019

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING...

* WHAT...Freezing rain. Additional ice accumulations of up to one
  tenth of an inch. Winds gusting as high as 40 mph.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...Until 7 AM EST Thursday.

* ADDITIONAL DETAILS...Plan on slippery road conditions due to 
  light snow and ice.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$
364 
WWUS41 KBUF 210836
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
336 AM EST Thu Feb 21 2019

NYZ004-005-019-210945-
/O.CAN.KBUF.WW.Y.0021.000000T0000Z-190221T0900Z/
Wayne-Northern Cayuga-Chautauqua-
Including the cities of Newark, Fair Haven, and Jamestown
336 AM EST Thu Feb 21 2019

...WINTER WEATHER ADVISORY IS CANCELLED...

Temperatures have risen above freezing but there still may be a
few icy patches on roads and walkways.

$$

NYZ020-021-211200-
/O.EXT.KBUF.WW.Y.0021.000000T0000Z-190221T1200Z/
Cattaraugus-Allegany-
Including the cities of Olean and Wellsville
336 AM EST Thu Feb 21 2019

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 7 AM EST THIS
MORNING...

* WHAT...Freezing rain. Additional ice accumulations of a trace. 

* WHERE...Cattaraugus and Allegany counties.

* WHEN...Until 7 AM EST this morning.

* ADDITIONAL DETAILS...Untreated roads, sidewalks, and parking
  lots may be slippery.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of freezing rain will result in slick roads. Slow down
and use caution while driving.

Submit ice reports through our website or social media.

&&

$$

NYZ006>008-211200-
/O.CON.KBUF.WW.Y.0021.000000T0000Z-190221T1200Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
336 AM EST Thu Feb 21 2019

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING...

* WHAT...Freezing rain. Additional ice accumulations of up to a 
  few hundredths of an inch. Winds gusting as high as 40 mph.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...Until 7 AM EST Thursday.

* ADDITIONAL DETAILS...Untreated roads, sidewalks, and parking
  lots may be slippery.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$
366 
WWUS41 KBUF 211124
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
624 AM EST Thu Feb 21 2019

NYZ020-021-211230-
/O.CAN.KBUF.WW.Y.0021.000000T0000Z-190221T1200Z/
Cattaraugus-Allegany-
Including the cities of Olean and Wellsville
624 AM EST Thu Feb 21 2019

...WINTER WEATHER ADVISORY IS CANCELLED...

Temperatures have risen above freezing but there still may be a
few icy patches on roads and walkways.

$$

NYZ006>008-211500-
/O.EXT.KBUF.WW.Y.0021.000000T0000Z-190221T1500Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
624 AM EST Thu Feb 21 2019

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

* WHAT...Freezing rain. Additional ice accumulations of up to a 
  few hundredths of an inch. Winds gusting as high as 40 mph.

* WHERE...The Eastern Lake Ontario Region.

* WHEN...Until 10 AM EST this morning.

* ADDITIONAL DETAILS...Untreated roads, sidewalks, and parking 
  lots may be slippery.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Periods of snow, sleet or freezing rain will result in slippery
roads and limited visibilities. Slow down and use caution while
driving.

Submit snow and ice reports through our website or social media.

&&

$$
642 
WWUS41 KBUF 211448
WSWBUF

URGENT - WINTER WEATHER MESSAGE
National Weather Service Buffalo NY
948 AM EST Thu Feb 21 2019

NYZ006>008-211600-
/O.EXP.KBUF.WW.Y.0021.000000T0000Z-190221T1500Z/
Oswego-Jefferson-Lewis-
Including the cities of Oswego, Watertown, and Lowville
948 AM EST Thu Feb 21 2019

...WINTER WEATHER ADVISORY WILL EXPIRE AT 10 AM EST THIS
MORNING...

Temperatures have risen above freezing, therefore the threat for 
freezing rain has ended. However, there still may be a few icy 
patches on roads and walkways from earlier ice, so continue to 
exercise caution.

$$

TMA

Nearby

Winter Weather Advisories in New York, 2019Every winter weather advisory in 2019

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.