4/7: Sunday Evening Update...'SNOW' anyone?

GOOD Sunday Evening Everyone!

The Afternoon brought in Warm Temperatures with High's in the Lower 60°s for Much of Central WY.  However, Moist Pacific Coast moisture has slid in and will continue our 'Rain Chances' through the evening...

 

Showers have been very spotty, but best coverage will be in the Mountainous areas. Some snow is possible in the Higher Elevations in the Bighorns and West of the Divide in Tetons...up to 10" is possible!


BEFORE OUR STORM, Here is a Look at the 'lack' of Snow Depth throughout the State...Very Bad :(

Blown away how 'little' our snow is in the Laramies, where only the Northern Laramies have any 'measurable' snow depth, besides the Bighorns, Sierra's, Snowy's, and the West of the Divide.


NOW, lets get to the Timeline of when to Expect this Snow Arrival...BTW, this was made after looking at past Model Data from various runs of the Canadian, European, NAM, and GFS. I forgot to Mention that the Snow 'should' Taper off when we get to Late Tuesday and Early Wednesday Morning.

 

 

Watches are out, and can likely see these changes to WARNINGS as we Progress late into the Evening or Early Monday Morning before the Storm arrives.  Here are the CURRENT Winter Storm Watches as of 6PM Sunday:  
The BLUE depicts the Winter Storm Watches, while the GREEN shows the Blizzard Watches

NOW, I showed you the Timeline & Advisory Board...Here is my 1st Projected Snow Amount Map...

Remember, as this Storm digs out of NV and into CO, it all depends on where the Storm 'cranks' up as the Upslope begins to form.  We must carefully watch our Temperatures and DewPoint/Relative Humidity cause if we are 'dry', this could take the snow a little while to get going.
PLEASE note that this storm is 'subject to change' with the amounts.

Casper, Cheyenne, Jeffrey City, Wheatland, Torrington: 6-12"
Riverton, Rock Springs, and much of Northern WY:  3-7"
Pinedale, Big Piney (Green River Basin): 1-4"
Lusk and 'near' Newcastle: 12-18" +


METEOGRAM TIME:

Sometimes the Iowa St. Meteogram is quite accurate with the ranges of how much or little snow could be seen.
Here is Casper's:

Hard to see, but is showing 8-24" at the Airport...wide range!





And, this is for Riverton:

Snow Range of: 5-17"..still a large Range!







Last, but not least...here is Cheyenne's:

Snow Range of 5-12"..A little bit better 'confined'







TO SUM UP: 
 Still a lot of data coming in as the Low is about to dig into NV as our Cold Front is sagging South from MT into WY for the Morning.  Many things can still change, but I'll be keeping up with my Posts on my Page!