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Old 10-02-2014, 04:39 PM
 
Location: Near the Coast SWCT
83,540 posts, read 75,373,979 times
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Too fascinating not to start a thread for and why flood the Fall thread with it.

Discussion from NWS Grand Forks. Good reminder for those that are using the "warm ground" to forecast. Rate of falls means just as much.

Question is who. As always we don't know where these heavy snow bands setup.

Feels like we're in December that we're talking about this. Gees.

National Weather Service Text Product Display

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Old 10-02-2014, 04:57 PM
 
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No doubt about it, this is a powerful cold shot coming


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Old 10-02-2014, 05:21 PM
 
Location: Near the Coast SWCT
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Quote:
Originally Posted by chicagogeorge View Post
No doubt about it, this is a powerful cold shot coming

Yup. If the polar Jet is already doing this, something to consider moving on.

Future radar loop. White is snow not clouds.

Watch the south to north flow of moisture than as polar air dives down the storm strengthens with it and watch the rotation. Ontario gonna get pounded!

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Old 10-02-2014, 06:04 PM
 
Location: Near the Coast SWCT
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From NWS Marquette. Its happened this early for Northern Michigan but it is earlier than normal..

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Old 10-02-2014, 06:12 PM
 
Location: Near the Coast SWCT
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From Jim Cantore (@JimCantore)

After RECORD heat earlier this week HEAVY SNOW falling in the Black Hills of SD just now via @shawncable @MarkVogan

twitter.com/JimCantore/status/517820949430018049

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Old 10-02-2014, 06:31 PM
 
Location: E ND & NW MN
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Yes this system for our area is quite difficult as any system that is progged to strengthen in the 500 mb level as it moves just east. Thus in many cases you see continued model differences, even among the hrrr/rap up until the time the event starts. And that to snow rates and how fast it will have to fall to overcome warm ground and also most of the snow will fall during daylight makes any type of snowfall forecast very challenging and not really going to know what to do til you see the whites of the eyes. Snowfall past sunrise in particular is really hard to accumulate with temps 33 or so unless it is very very hard, and in these cases once the hard snow ends it will start to melt fast once the intensity lessens. Thus true snowfall total is quite impossible to figure out. Elevation plays a key role....even in our region....where a couple hundred feet make a big difference. I have seen many a times in October with rain in Grand Forks located in the Red River valley and then wet snow 30 miles either side of the valley where elevation is a 200-300 ft higher.

Here is video from an early season snow on Oct 3/4th 2012 in Grand Forks


Early Season Snow Storm, Grand Forks, ND - 10/4/2012 - YouTube
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Old 10-02-2014, 07:41 PM
 
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^^

Crazy, for early October
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Old 10-02-2014, 08:37 PM
 
Location: Near the Coast SWCT
83,540 posts, read 75,373,979 times
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NWS Riverton (@NWSRiverton) tweeted at 10:29 PM on Thu, Oct 02, 2014:

WY highway dept webcam on the east side of Casper. Snowing! #wywx #Casper

Ow.ly - image uploaded by @NWSRiverton
(https://twitter.com/NWSRiverton/stat...63909714571264
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Old 10-02-2014, 11:11 PM
 
Location: DFW/Texas
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I wish I lived where it actually snowed! And had seasons. But, alas, I live in Southern CA and we're scheduled for a 100+ degrees this weekend! YAY! Not! People who don't live in CA always talk about the "great weather" that we have but, as someone who was born and raised here, I can tell you this: the only parts of CA that have consistently "nice" weather are the coastal cities and that's IT. I envy all of you who get to experience real seasons!
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Old 10-03-2014, 04:56 AM
 
Location: Near the Coast SWCT
83,540 posts, read 75,373,979 times
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Wyoming.

"We've received about ~1/2" here at the office so far. How much snow has fallen in your area?"




https://twitter.com/NWSCheyenne/stat...11721508626432
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