How dry and windy was it? 04/15/08

Windy and Dry Day Across the Region

April 15, 2008

An upper level ridge over the central U.S. allowed temperatures to climb to well above normal on Tuesday with highs across the Tri-state Region ranging from the mid 80s to near 90 degrees. Amazingly, no record highs were set or tied. However, low dew point temperatures and a tightening pressure gradient resulted in an exceptionally dry and windy day across the region.

Water Vapor Satellite image from this afternoon.

The above image is a Water vapor satellite image from 11:31 AM MDT. The green lines are lines of constant height at 500 mb (upper level of the atmosphere). Water vapor satellite shows water vapor at the mid and upper levels of the atmosphere. Brown areas indicate very dry air. Notice the tongue of dry air extending from northern New Mexico all the way through the Tri-State region.

 

Observations from April 15

Location Max wind gust (mph) Lowest RH (%)
Goodland, KS 43 4
Burlington, CO 44 4
Hill City, KS 52 15
McCook, NE 45 12

For reference, when a Red Flag Warning is issued from the NWS Goodland office, indicating critical fire weather conditions, relative humidity values (RH) of 15% or less is expected, along with breezy winds. RH values of 5% or less are rare, even in the Tri-State Region.



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