At 4:15 PM yesterday afternoon, Indpendence Pass, Colorado reported 29 degrees (Conifer, CO reported 14 inches of snow Tuesday!). Meanwhile Malmstrom Air Force Base, MT reported 97 degrees! To be fair since the data QC was marked "Caution" today (not at the time of observation), also consider nearby Highwood, MT which was 92 degrees. This makes for a difference of 68 or 63 degrees over 620 miles (according to Google Earth), either quite impressive. Thanks to Chris Burt [JessePedia], Author of "Extreme Weather" , for the tip.
A more generalized map of official stations is shown below. It doesn't include the extremes mentioned above but you can see where the pockets of cold and hot air were.
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If it were at the same elevation, that would be even more interesting.
But what is the difference in elevation between the two stations? That would explain a lot of it and would be educational to readers.
Thanks
Bo.
FROM JESSE: The Colorado Pass is definitely much higher, at over 18000 feet compared to the Montana station's 3500, but there are many times in winter when Montana readings will be below Colorado's due to it being further north and closer to the Canadian air source, so as you point out, elevation is clearly playing a more important role this time of year.
Posted by Bo | September 25, 2009 10:12 AM