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Published on Nov 18, 2015
Regional weather terms in the Central United States.
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1.
Central US
Regional Weather Terms
Photo by
Ron,Ron,Ron
2.
Lake-Effect Snow
Occurs when cold air surges over relatively warm lake water
Enhanced snow falls downwind of lakes as air picks up moisture, warmth
Often occurs around the Great Lakes before the lakes freeze in early winter
Photo by
WarzauWynn
3.
Snow Rollers
Rare snowballs that form when gusty winds roll snow along the ground
Form in a similar way to how a snowman is created
Can occur in the Plains as high winds whip across the flat terrain
4.
Ice Jam
A gathering of broken river ice
Often occurs in a narrow, shallow or winding channel
Produces local floods during a major thaw
Occurs frequently in the Dakotas and additional rivers in the Midwest
Photo by
wcn247
5.
Onion Snow
Refers to the last snowfall before the end of spring
"People already planted their onions and then the snow kills them."
-Dave Dombeck,
AccuWeather.com
senior meteorologist
Photo by
Foto Pau
6.
Dixie Alley
An area in the Deep South with frequent tornadoes
Similar to its "Tornado Alley" counterpart
Severe storms are fueled by moisture from the nearby Gulf of Mexico
Dixie Alley includes parts of Arkansas, Tennessee, Mississippi and Alabama
Photo by
minnepixel
7.
Tornado Alley
Stretches From Dallas to Des Moines, Iowa
Area experiences a high frequency of tornadoes each year
Dry Rockies air and moist Gulf air collide to ignite supercell storms
Supercell storms can spawn violent tornadoes (EF-2 or higher)
Photo by
Stuck in Customs
8.
Blue Norther
A cold front that brings much cooler air
Brings sudden weather changes to the Plains and Texas
Wind switches from a southerly direction to a northerly direction
Temperatures can drop drastically over a short amount of time
Photo by
Stuck in Customs
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