Sunday Update–A Winter Storm Ushers In Cold And Snow For Everyone!

12/11/22 Sunday 6:45 am

A storm will blow into the area tomorrow morning with some very cold air accompanying it. The low-pressure system will move onshore this morning and start trekking east. I will wait to post my forecast until tomorrow morning, but it looks like everyone gets snow with this one. Advisories and Warnings are in place across most of the forecast area.

COZ021>023-112300-
/O.NEW.KGJT.WW.Y.0025.221212T1200Z-221213T0000Z/
Four Corners/Upper Dolores River-Animas River Basin-
San Juan River Basin- Including the cities of Dove Creek, Mancos, Durango, Bayfield, Ignacio, and Pagosa Springs
255 AM MST Sun Dec 11 2022

…WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM TO 5 PM MST MONDAY ABOVE 6500 FEET…

* WHAT…Snow is expected above 6500 feet. Total snow accumulations
of 2 to 5 inches. Winds gusting as high as 45 mph.

* WHERE…Four Corners/Upper Dolores River, Animas River Basin
, and San Juan River Basin.

* WHEN…From 5 AM to 5 PM MST Monday.

* IMPACTS…Plan on slippery road conditions. The hazardous
conditions could impact the morning or evening commute. Blowing
snow will significantly reduce visibility at times.

______________________________________________________

COZ019-112300-
/O.NEW.KGJT.WS.W.0011.221212T1200Z-221213T0600Z/
Southwest San Juan Mountains-
Including the cities of Silverton, Rico, and Hesperus (Mayday)
255 AM MST Sun Dec 11 2022

…WINTER STORM WARNING IN EFFECT FROM 5 AM TO 11 PM MST MONDAY…

* WHAT…Heavy snow is expected. Total snow accumulations of 6 to 12
inches with locally higher amounts. Winds gusting as high as 45
mph.

* WHERE…Southwest San Juan Mountains.

* WHEN…From 5 AM to 11 PM MST Monday.

* IMPACTS…Plan on slippery road conditions. Blowing snow will
significantly reduce visibility. The cold wind chills as low as
20 below zero could cause frostbite on exposed skin in as little
as 30 minutes.

____________________________________________________

COZ068-111845-
/O.NEW.KPUB.WS.W.0018.221212T1200Z-221213T0600Z/
Eastern San Juan Mountains Above 10000 Feet-
341 AM MST Sun Dec 11 2022

…WINTER STORM WARNING IN EFFECT FROM 5 AM TO 11 PM MST MONDAY…

* WHAT…Heavy snow is expected. Total snow accumulations of 8 to 14
inches. Winds gusting as high as 40 mph.

* WHERE…Eastern San Juan Mountains Above 10000 Feet.

* WHEN…From 5 AM to 11 PM MST Monday.

* IMPACTS…Travel could be very difficult. Areas of blowing snow
could significantly reduce visibility. The cold wind chills as
low as 20 below zero could cause frostbite on exposed skin in as
little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

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Here are the latest model runs, overall they are in decent agreement regarding timing and amounts. Higher elevations will see some decent SLRs (snow-to-liquid ratios) with this cold storm. I will cover the totals in more detail early Monday morning.