July 2005 - Review of Weather Including  Temperatures and Precipitation for the Quad State Region.

Weather Summary for July 2005

July began with most of the four state region listed in some sort of drought.  Most of southeast Missouri was listed in severe to extreme agricultural and hydrologic drought.  Temperatures for the month were within a degree of normal (78 to 80 degrees).  Rainfall varied greatly due to the nature of the widely scatted rainfall ranging from an inch below normal (for example, at Evansville, Indiana) to over 2 inches above normal (at Cape Girardeau, Missouri).

A weak cold front passed across the region on the first of the month bringing only a trace of precipitation across northern portions of the region.  A stronger front with lines of strong to even severe storms brought Mother Nature’s fireworks on the Fourth of July.  Showers and thunderstorms generally produced less than one inch of rain but some locations received very heavy rainfall that produced short-lived localized flooding conditions. 

Tropical Storm Cindy came ashore on the 6th near Mobile, Alabama and moved northeast toward the mid-Atlantic.  Hurricane Dennis came ashore late on the 10th into early the 11th just west of Pensacola, Florida and moved north up the Mississippi River Valley.  The remnants of Dennis lingered over the Ohio Valley through mid-month.  Moderate to heavy rainfall brought widespread amounts of 2 to 4 inches with isolated 4 to 6 inch totals.  Tropical rains did much to alleviate drought conditions but still did not make up already significant deficits. 

While rainfall tapered off, the atmosphere remained very warm, moist and unstable.  Isolated showers and thunderstorms popped up almost daily in the afternoon heat between the 16th and 19th.  Some of these storms were very slow moving and produced brief but very heavy rainfall that prompted several advisories.  In the upper levels of the atmosphere, a large area of high pressure developed over the Central Plains and slowly moved east through the 23rd.  By the 24th and 25th, the high was sitting right on top of us as it began to weaken.  During this time, temperatures soared into the 90s with daily heat indices above 100 degrees.  Excessive Heat Warnings and Advisories were issued between the 21st and 26th.  

As the ridge began to break down, a cold front approached the region on the 26th allowing showers and thunderstorms to develop.  Most of the area received a quarter of an inch of rainfall or less.

Figure 1. July 2005 Average Daily Temperature Summaries (Degrees F) for Several Quad State Region Locations.

LOCATION

TEMPERATURES    

      HIGH

       LOW

  AVERAGE

Carbondale                       Illinois

  Normal (94 years)              

                      2005

88.4

87.5

66.4

67.5

77.7

77.5

CapeGirardeau Missouri

  Normal (30 years)                                       2005                      

90.1

89.9

69.5

69.9

80.1

79.9

Evansville

Indiana 

  Normal (30 years)             

                      2005

88.8

87.2

68.3

68.0

78.6

77.6

Paducah

Kentucky 

  Normal (30 years)            

                     2005                 

89.4

88.0

69.1

68.5

79.5

78.3

Poplar Bluff

Missouri 

 Normal (30 years)              

                      2005

91.2

88.5

69.4

69.0

80.6

78.7

 

Figure 2. July Average Monthly Precipitation (inches) and 2005 Observed Precipitation for Several Quad State Region Locations.

LOCATION

 

 

TOTAL  PRECIPITATION 

    (includes melted snow)

    2005 DEPARTURE  

      FROM NORMAL

Carbondale                       Illinois 

Normal: 

    2005:

                  3.29

                  5.27


                1.98

Cape Girardeau

Missouri

Normal: 

    2005:

                  3.45

                  5.72


                2.27

Evansville

Indiana

Normal: 

    2005:

                  3.75

                  2.69


              -1.06

Paducah

Kentucky

Normal: 

    2005:

                  4.45

                  4.24

 

              -0.21

Poplar Bluff

Missouri

Normal: 

    2005:

                  3.82

                  8.11

 

                4.16

 

 

 

 

 

 

 

 

 

 

 

 


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