While You Were Sleeping

The NWS upgraded the Watch to a Warning

COZ018-019-192100-
/O.EXT.KGJT.WS.W.0019.191120T0600Z-191122T1200Z/
NORTHWEST SAN JUAN MOUNTAINS-SOUTHWEST SAN JUAN MOUNTAINS-
INCLUDING THE CITIES OF TELLURIDE, OURAY, LAKE CITY, SILVERTON,
AND RICO
239 AM MST TUE NOV 19 2019

…WINTER STORM WARNING NOW IN EFFECT FROM 11 PM THIS EVENING TO
5 AM MST FRIDAY ABOVE 8500 FEET…

* WHAT…HEAVY SNOW EXPECTED ABOVE 8500 FEET. TOTAL SNOW
ACCUMULATIONS OF 12 TO 20 INCHES WITH LOCAL AMOUNTS UP TO 30
INCHES.

* WHERE…SOUTHWEST SAN JUAN MOUNTAINS AND NORTHWEST SAN JUAN
MOUNTAINS.

* WHEN…FROM 11 PM THIS EVENING TO 5 AM MST FRIDAY.

* IMPACTS…TRAVEL WILL BE VERY DIFFICULT TO IMPOSSIBLE,
ESPECIALLY OVER THE HIGH MOUNTAIN PASSES. EXPECT HAZARDOUS
WINTER DRIVING CONDITIONS ON ALL ROADS AND VERY POOR VISIBILITY
IN BLOWING SNOW. A DETAILED MAP OF THE SNOWFALL CAN BE FOUND AT:
WWW.WEATHER.GOV/GJT/WINTER.

The evening Euro run did this

EURO111900zprecip

Snow

gfs11190zsnow

The overnight Euro did this

Euro111906zprecip.png

Snow

Euro111906zsnow.png

The evening GFS did this

GFS111900zprecip

Snow

gfs11190zsnow

The overnight GFS did this

GFS111906zprecp.png

Snow

GFS111906zsnow.png

Oh Canada

CAN111900zprecip.png

Snow

CAN111900zsnow.png

This is the first real test for the “upgraded” new GFS, so it will be interesting to see how it does. Not much has changed in my mind, there are some other differences to talk about, like the Lull separating phase 1 from phase 2, I will talk about that later today, I will have something out around 1:00.

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