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Major Storm Potential Across U.S. This Weekend

Coast to coast, there will be heavy snow, flooding rain, severe thunderstorms
March 21, 2013


Another major storm will cross the nation from coast to coast with heavy snow, flooding rain and severe thunderstorms. The worst conditions with the storm may center over the Palm Sunday weekend.

Like many storms during the second half of the winter, this first major storm of the spring could threaten lives and property, bring significant travel disruptions and foil outdoor plans.

After bringing drenching rain and heavy mountain snow to the Northwest and part of the Rockies later this week, a storm from the Pacific will reorganize over the Central states this weekend.

A weaker storm will push eastward across the South later this week, ahead of the main storm coming this weekend.

The exact track of the main storm as it heads from the Rockies to the Atlantic coast will determine the portions of states along the way that will be on the receiving end of heavy snow versus drenching rain.

The storm will move eastward along a strong temperature contrast from south to north. Almost midwinter cold will linger in the northern tier states, while warmth and humidity build along the southern tier states. This temperature contrast will likely be compressed in the middle with a distance of a couple hundred miles or less potentially separating temperatures in the 80s from the 20s and low 30s.

The temperature contrast will make for very challenging forecasts when determining which areas near the storm track will get snow versus rain. However, this stored energy can yield very dramatic results ranging from a foot or more of snow in some areas to a half a foot of rain with flooding and a severe weather outbreak.

Snow

The storm will gather enough cold air to begin producing a swath of heavy snow over parts of the central and southern Plains later Saturday and Saturday night. Parts of Kansas and Missouri appear to be in the middle of several different potential tracks at this time.

During Sunday, the band of heavy snow will nose eastward, most likely impacting some of the Ohio Valley states. A small shift in the storm track could mean the difference between heavy snow in Kansas City, St. Louis, Indianapolis and Dayton versus Omaha, Chicago and Cleveland.

By Monday, the zone of heavy snow will be impacting part of the central and southern Appalachians and could be aiming all the way to part of the mid-Atlantic coast and the I-95 corridor. Not only will the same challenges remain in the north-south orientation of the storm, but warm air from the Atlantic Ocean may play a role.

Severe Weather

There is the potential for severe weather to develop in portions of the Deep South from Texas to Louisiana and Florida with the storm system this weekend into the start of next week.

RELATED:
Denver Heavy Snow Could Reach Midwest This Weekend
South Severe Weather Risk Palm Sunday Weekend
Midwest, East: More Snow, Cold Despite Spring Arrival


Humid air will nose northward along the Gulf Coast as the storm tracks eastward to the north.
According to severe weather expert Henry Margusity, "Such a setup can deliver thunderstorms with large hail, damaging wind and perhaps a few tornadoes."

The exact character of the potential severe weather event (straight-line winds and hail versus tornadoes) is not certain at this time but will be monitored closely through the expected date by AccuWeather.com meteorologists.

RELATED ON SKYE: 22 People More Sick of Winter Than You Are

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okrawimfry

John said - Stop and at least check out the facts before you start attacking someone over actual and factual history instead of fables, myths and fairy tales that have no historical documentation.

Really? No historical documentation? You think the books / letters of the Bible are not historical documentation. Also, the letters written by non-Christian historians, like Josephus, are not historical?
And yes, you have every right to free speech here. No one is denying you that.

March 22 2013 at 9:55 AM Report abuse rate up rate down Reply
rkeeeballs

...He has risen !.....Let the weather do what it may....Doesn't change a thing. Bless all.

March 22 2013 at 8:32 AM Report abuse rate up rate down Reply
Jon

There is ignorance alright on these posts above, but the person stating the obvious about freedom from and for religion is stating a fact not some crazy sounding something in the rest of these posts. It appears that the rest of you have been drinking beers or something or maybe your brain never developed enough to be able to study history, civics or any of the real history of this country. Stop and at least check out the facts before you start attacking someone over actual and factual history instead of fables, myths and fairy tales that have no historical documentation. All you good sounding so called Christians waiting for Jesus better pray he doesn't jump out behind a cloud all of a sudden and read your hate filled post toward someone who by the way by the enshrinement of our rights in the Constitution has that right to state what he said.

March 22 2013 at 7:13 AM Report abuse rate up rate down Reply
MicheleKayKolano

this story is STUPID

March 22 2013 at 3:40 AM Report abuse rate up rate down Reply
twilightdoofus

This country was NOT founded on religion. It was founded on FREEDOM. Freedom of religion, speech, and many other freedoms. You don't even have to be religious to be an American. Imagine that ! We are as free as any nation ever founded upon this earth. Just thank God for that freedom of/from religion, that our ancestors had the brains to put into our Constitution. Actually, our forbears came here to get away from religion. Read your history. . . It's quite interesting.

March 21 2013 at 11:27 PM Report abuse rate up rate down Reply
tarman74

Beergoodness-Have one more beer and go straight to rehab. When you get out go take a remedial English class and go straight to Sunday school. Idiot

March 21 2013 at 10:16 PM Report abuse rate up rate down Reply
tarman74

Beergoodness-have ONE more beer and go to rehab. When you get out you can take a remedial English class for slow learners.Then get your butt to Sunday school and sit in front row.

March 21 2013 at 10:13 PM Report abuse rate up rate down Reply
ladybung

fhkelley44 I could not have said what you said any better. Good for you! You have summarized the Easter Season in a paragraph! You will surely be blessed!

March 21 2013 at 3:34 PM Report abuse +1 rate up rate down Reply
smalltm1959

Va va voom

March 21 2013 at 3:22 PM Report abuse rate up rate down Reply
smalltm1959

soon we will be complaining about the humitity

March 21 2013 at 3:16 PM Report abuse +1 rate up rate down Reply
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