Tuesday, June 28, 2011

Heat and Humidity Will Roar Back

BLOGGING WILL RESUME AFTER THE 4TH.  ENJOY THE HOLIDAY AND BE SAFE.  

When we look back at the Tuesday rain, it will be seen as an island of cool in a sea of heat.  It was a nice break and we all needed it.  Now brace yourself for heat and humidity!

The ridge will come roaring back by the end of the week and temperatures will get close to 100 degrees, but will it hit 100?  That's a tough question to answer right now.  Remember, you need three ingredients to bake a 100 degree cake: strong high pressure, ample sunshine, and a dry ground.  The rainfall from Tuesday may keep readings just below the 100 degree mark initially, but once it's evaporated out of the soil look out!  Regardless, the new soil moisture will make humidity values outrageous and heat index values will likely exceed 100 and maybe exceed 105 degrees by Thursday or Friday.  So while the actual temperature may hover just below 100, the "feels" like temperature will make it feel much, much worse.

The Tuesday morning run of the NAM indicates readings will hit 100 over much of southern and central Arkansas Thursday.
The NAM for Friday shows that 100 degree area expanding slightly.

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NOAA Winter Guidance