Mid-Spring Chill Grips Nation's Midsection
UPDATED 3 AM CDT, April 25, 2013
By WeatherBug Meteorologist, John Bateman
Despite some warm days this spring, it feels like the season has been slow to start across much of the U.S. This morning is no exception as unusual cold keeps its grip on the nation`s midsection.
The main reason for the cool weather has been a dip in the Jetstream pattern that has persisted for much of the last week, allowing cold Canadian air to trickle southward and spill into the relatively flat land of the Plains and Midwest. Also helping the chill has been a series of cold fronts with sprawling high pressure behind then, keeping skies relatively cloud-free and allowing for chilly morning lows.
Wednesday saw a full plate of record lows from the Dakotas to Arkansas. Rapid City, S.D., dropped to 22 degrees Wednesday morning. Goodland, Kan., saw a record 19 degrees while Oklahoma City fell to 31 degrees. Even in normally balmy Texas, Wichita Falls hit 29 degrees for a record low for the date as well as breaking its record "latest freeze" date that it set 30 years ago.
This morning will be another cold one for the central U.S., as the brisk air slides eastward. Frost Advisories and Freeze Warnings cover parts of north Texas, Oklahoma, Kansas, Missouri, Arkansas, Kentucky, Tennessee, Ohio, and Indiana until mid-morning today. Even western North Carolina has a Freeze Warning in effect for the Asheville area. Temperatures falling to the mid-30s could damage sensitive plants in the frost areas, and locations under the freeze warnings could drop as low as the upper 20s to lower 30s.
Fortunately it appears that high pressure sliding eastward will help to bring warming southerly winds as the weekend approaches, giving a break to those areas still shivering in this late-April chill.
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