winter storm warning wind chill watch · 2019. 1. 29. · presentation created . follow us on...

Weather Forecast Office Presentation Created

1/29/2019 5:19 AM Follow us on Twitter Follow us on Facebook

Wind Chill Watch added to Jefferson and

Lewis Counties

Low pressure will bring heavy snow

to the Eastern Lake Ontario region

through tonight.

Heavy lake effect snow and near

blizzard conditions possible east of

Lake Ontario Wednesday through

Friday morning, and from early

Wednesday morning through late

Thursday east of Lake Erie.

Winter Storm Warning

Wind Chill Watch

What Has Changed?

Decision Support Briefing #4

As of: 5:20 AM January 29, 2019

Buffalo, NY 1

https://www.facebook.com/NWSGray/

https://twitter.com/NWSGray

https://twitter.com/NWSBuffalo

https://www.facebook.com/NWSBuffalo


1/29/2019 5:19 AM Follow us on Twitter Follow us on Facebook 2

Main Points

Hazard Impacts Location Timing

Elevated risk to health such as

frostbite and hypothermia. Dress

in layers including a wind-

resistant outer layer.

Western and North

Central New York

Wednesday through

Thursday afternoon

Heavy

Snow, then

lake effect

Heavy Lake

Effect Snow

Heavy Lake

Effect Snow

Blowing

Snow

Heavy snow will result in

hazardous travel conditions,

followed by heavy lake effect

snow

Heavy lake effect snow will

result in very difficult or near

impossible travel at times

Heavy lake effect snow will

result in very difficult or near

impossible travel at times

Strong winds will result in

severe blowing and drifting

snow with near blizzard

conditions possible

Eastern Lake Ontario

region

Erie, Genesee, and

Wyoming counties

Chautauqua and

Cattaraugus counties

East of Lakes Erie and

Ontario

Today and tonight, then

Wednesday through Friday

morning

Late this afternoon through

Thursday evening

Wednesday afternoon

through Thursday evening

Wednesday through

Thursday

Buffalo, NY

Wind Chill







None Limited Elevated Significant Extreme

Summary of Greatest Impacts





Heavy Snow: Eastern Lake Ontario region

Heavy Snow: Erie, Genesee, and Wyoming counties

Heavy Snow: Chautauqua and Cattaraugus counties

Blowing Snow: East of Lakes Erie and Ontario

Wind Chill: Western NY / North Central NY

Buffalo, NY 3







***Actual amounts will be

hard to measure***. MUCH

more important will be the

near blizzard conditions

Snow fall rates 1-2”/hr

Lake effect snow will

develop first across the

Buffalo Metro/Northtowns

area late this afternoon and

tonight, then drift south on

Wednesday

West winds gusting up to 40

to 45 mph will produce near

blizzard conditions at times

Heavy Lake Effect Snow East of Lake Erie

Late Tuesday through Thursday Night

Buffalo, NY 7







Strong west to southwest

winds gusting 35 to 45 mph

will last for an extended

period of time

Severe blowing and drifting

snow will develop in areas

receiving lake effect snow

Near blizzard conditions at

times

Peak Wind Gusts Wednesday through Thursday

Buffalo, NY 8







Strong winds and bitterly

cold temperatures will

combine to produce

dangerously cold wind

chills

Lowest wind chills

expected late Wednesday

through Thursday morning

Dangerous Wind Chills Wednesday through Thursday

Buffalo, NY 9







Event Summary

Low pressure will bring a moderate to heavy snowfall to the eastern

Lake Ontario region today and tonight

Heavy lake effect snow will develop northeast of Lake Erie late this

afternoon and continue through Thursday evening

Heavy lake effect snow will develop northeast of Lake Ontario

Wednesday and continue through Friday morning

Strong winds Wednesday through Thursday will produce near blizzard

conditions at times in lake effect areas with severe blowing and drifting

snow

Dangerously cold wind chills will develop Wednesday and continue

through Thursday

Buffalo, NY 10





winter storm warning wind chill watch · 2019. 1. 29. · presentation created . follow us on...

Documents