Very Mild Pattern From Texas to Northeast
8AM EST, November 21, 2003
Numerous record highs fell across the central Plains and the upper Mississippi Valley on Thursday as an unusual pattern for November remained in place. Record high temperatures were broken from Hastings, Nebraska (74) to Chanute, Kansas (72) to Joplin, Missouri (74) to Madison, Wisconsin (65).
Overnight lows also were quite mild from Texas up through the lower
Mississippi and Ohio Valleys. WeatherBug live sensors showed low
temperatures in the 50s as far north as Connersville, Indiana (east of
Indianapolis). A strong Pacific jet stream displaced to the north of its usual position was allowing very mild air to build over
these areas while cold air was locked over Canada and the northern Rockies.
However this pattern was beginning to change on Friday as the jet stream
sank southward and a storm developed over the Rockies. Much cooler air was flowing into the northern and central Plains and upper Mississippi Valley. A WeatherBug live sensor in Scottsbluff, Nebraska reported 26
degrees at 7AM CST, versus a balmy 57 degrees observed at the same time on Thursday. A sensor in Ellendale, North Dakota was at 15 degrees at 7AM CST versus 49 degrees on Thursday at the same time.
Few record highs will likely be broken over the Plains Friday as the extreme warmth gets pushed southward. Highs of at least 70 degrees are expected as far north as Tulsa, Louisville, and Washington, D.C.
Very Mild Pattern From Texas to Northeast
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