- 10 Mar 2000: Mid-level cloudiness on 10 March
2000 was associated with lifting due to an upper-level trough that moved from the Front
Range of the Rocky Mountains into the western Great Plains during the day. A 90-kt
(46.3 m s-1) jet stream flowed from the TX panhandle across OK and into the Ohio River
Valley, helping to support the system. It also brought southwesterly flow over an
850-mb low pressure center in southern OK, and a quasi-stationary surface low that
was located just south of the TX-OK border. This setting generated a thick layer
of cirrus cloud over the ARM site, which eventually evolved into the multi-layered
mid-level cloud that was sampled between 1713 and 1939 UTC.
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