Monday, June 18, 2012

100 Degree In Sight

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Say it ain't so!  Yes, it makes complete sense for some areas to touch 100 degrees by the end of this week into the weekend as the weather pattern will support triple digit heat.  I always talk about the 3 rules for single digit temperatures in Little Rock and the 3 rules for triple digit temperatures.  Obviously, the later is much easier to achieve.

The 3 ingredients for triple digit heat are as follows...
  1. Strong high pressure
  2. Ample sunshine
  3. A dry ground
According to the data, we'll have all three by the end of the week.  A few isolated area have had some significant rainfall, but over the course of a few days, the ground in those areas will have had time to dry out.

As mentioned here on the Arkansas Weather Blog last week, the computer models still indicate a tropical feature in the Gulf.  How and if that affects our weather is a tremendous question mark.  I wouldn't count on it at this point to bring relief.

The GFS indicates a tremendous ridge of high pressure across the central United States.
The areas in hot pink indicates readings close to 100 degrees Saturday across much of central and southern Arkansas.
By Sunday, it doesn't get better.  As a matter of fact, it looks even hotter with widespread temperatures in the upper 90s to low 100s.  I hope this can find a way to change!

1 comment:

Anonymous said...

How is it that when the average high in summer is supposed to be around 92, we always surpass 100 degrees every summer?

NOAA Winter Guidance