Public Information Statement
Issued by NWS National HQ

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NOUS41 KWBC 061740 AAA
PNSWSH

Public Information Statement, Amended
National Weather Service Headquarters Washington DC
140 PM EST Tue Dec 6 2016

TO: Subscribers:
 -NOAA Weather Wire Service
 -Emergency Managers Weather Information Network
 -NOAAPORT
 Other NWS Partners and NWS Employees

FROM: Eli Jacks
 National Weather Service Headquarters
 Chief, Forecast Services Division

 John Guiney
 Eastern Region Headquarters
 Chief, Meteorological Services Division

SUBJECT: Amended, Comment Period extended through April 30,
 2017, on Lake Effect Snow (LES) Warning Polygons from
 Weather Forecast Office (WFO) Buffalo, NY

Amended to add new zones around Lake Erie and to extend comment
period through April 30, 2017

WFO Buffalo, NY, will produce experimental LES polygon warnings
around Lake Erie this winter and continue the polygons around
Lake Ontario per last year`s experiment. The experiment adds
latitude/longitude coordinates to segments of the Winter Weather
Message text product (BUFWSWBUF) and provides increased
specificity with polygons issued for sub-county areas.

These coordinates will be added to products containing the LES
Warning Valid Time Event code (LE.W) for certain zones in
western and north central New York along Lake Erie and Lake
Ontario. WFO Buffalo will begin issuing the experimental product
with the coordinates on or about Tuesday, December 6, 2016.

When a LES Warning is in effect for these areas, WFO Buffalo
will also produce a graphic displaying these polygons at:

http://www.weather.gov/buf/lespolygon

Geographic Information Systems (GIS) users will be able to use
these coordinates to plot areas most prone to heavy LES.  NWS
Buffalo will also provide a downloadable file of the geographic
data on its website at:

http://www.weather.gov/buf/lespolygon

The purpose of these polygons is to display small areas of
intense snowfall with low visibility at sub-zone levels in
upstate New York where the highest impacts to transportation and
commerce are expected.

Coordinates and polygons are only for experimental use. NWS
Buffalo will continue to issue operational zone-based LES
warnings for these areas.

The following WFO Buffalo Public Zones will be included in this
experiment:

Zone Number    Zone Name
NYZ001    Niagara
NYZ002    Orleans
NYZ003    Monroe
NYZ004    Wayne
NYZ005    Northern Cayuga
NYZ006    Oswego
NYZ007    Jefferson
NYZ008    Lewis
NYZ010    Northern Erie
NYZ011    Genesee
NYZ012    Wyoming
NYZ013    Livingston
NYZ014    Ontario
NYZ019    Chautauqua
NYZ020    Cattaraugus
NYZ021    Allegany
NYZ085    Southern Erie

The feedback gathered from this experiment will help us provide
more precise watches and warnings in the future and will support
a decision on whether to make these warning polygons
operational.

You can find more information on the experimental LES warning
polygons at the link below:

2016ExperimentalBUFLESPolygonPDD.pdf

Please submit comments from December 6, 2016, through April 30,
2017, via the short survey linked below:

http://www.nws.noaa.gov/survey/nws-survey.php?code=LESWP

If you have questions, please contact:

Rick Watling
NWS Eastern Region Headquarters
Bohemia, NY 11716-2618
E-mail: Richard.Watling@noaa.gov
Phone:631-244-0123

Judith Levan
Warning Coordination Meteorologist
NWS WFO Buffalo
Buffalo, NY 14225
E-mail:  judith.levan@noaa.gov
Phone:716-565-0204 x223

National NWS Public Information Statements are online at:

   http://www.nws.noaa.gov/os/notif.htm



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