Is it Winter or Spring? Another Winter Storm Hits Rockies, Heading to Midwest

By: Shaun Tanner , 8:33 PM GMT on April 15, 2013

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We have set up a page where you track all of the latest information on this powerful Spring/Winter storm. All you have to do is click here!

If you look at the radar and front map above, you will notice all of the blue radar returns scattered from the Rockies through the Northern Plains and Northwest. You might think this is an old radar shot from this past Winter. No, it is current. A significant snow storm is moving through the Rockies, bringing up to two feet of snow to the higher elevations. The Winter Storm Warning posted for the Colorado Rockies that is set to expire Tuesday morning states:

* Snow accumulation... total snow amounts of 10 to 20 inches with
locally higher amounts on southwest facing slopes is expected by
Tuesday morning. Upwards to another 12 inches of snow is
possible Tuesday night and Wednesday.

Don't believe me or the NWS? Just look at a live webcam image from Estes Park, CO:

As the storm moves out of the Rockies and into the Plains, more Winter-like weather will accompany. Winter Storm Watches are posted from Nebraska through South Dakota. As the storm approaches, these watches will be upgraded to warnings due to the threat of up to a foot of new snow from the area.

Below is the forecast snowfall for the entire storm.
You can see the bull's eye of snow in the Rockies where over a foot of new snow will be widespread.

Enjoy the images from live webcams from the storm-affected area below.

Longmont, CO

Boulder, CO

Windsor, CO

Estes Park, CO

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5. WunderAlertBot (Admin)
6:30 AM GMT on April 22, 2013
shauntanner has created a new entry.
4. Fieldofflowers
4:46 AM GMT on April 17, 2013
Thank you Goobalucci for your explanation. I have more questions, like what other factors influence the jet stream?
Member Since: September 29, 2007 Posts: 5 Comments: 24
3. Goobalucci
3:48 PM GMT on April 16, 2013
It's all in the Jet Stream. The normal pattern of the Jet Stream in winter has the Great Lakes inside a big bubble with the Jet Stream flowng from the west and dipping down below the Great Lakes and then back up northeast. The Jet Stream typically splits into a tuning fork shape some time during the spring with the upper leg of the fork running west to east above the Great Lakes and the lower leg running west to east down over Tennesee. It's not going to warm up much until that happens. Last year it happened early and gave us warm weather much earlier than usual but then it went back to the winter formation for a while before it eventually split for the summer.Everybody's wondering when that's going to happen. I haven't heard any predictions for when that might take place.
Member Since: March 1, 2010 Posts: 0 Comments: 0
2. Fieldofflowers
3:26 AM GMT on April 16, 2013
What's the deal with this winter weather in April? I'm looking for an explanation of why the weather has been trending this way, but have yet to see anything explained at all. I'd love to see more blogging about what is causing this vs. a normal season pattern.
Member Since: September 29, 2007 Posts: 5 Comments: 24
1. Globe199
9:09 PM GMT on April 15, 2013
Where's that 24-hour snowfall forecast map available?
Member Since: May 15, 2002 Posts: 1 Comments: 63

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About shauntanner

Shaun Tanner has been a meteorologist at Weather Underground since 2004.

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