Cenla Weather Roundup

REMARKS:

-Under the distant influence of high pressure aloft, central Louisiana apparently established a new hottest day of the month with the max temp averaging 96.5 degrees. This bested Tuesday’s 96.4. The lowest max temp was 88 at the Natchez, MS airport, which was checked early by a storm system from the north. On the high side of the thermometer, the following sites hit 100 degrees: Leesville, Simpson, Robeline, Colgrade, Atlanta, and Pine Prairie. Peak heat indices reached 100-110 degrees.

-The dominant weather phenomenon was a semi-organized group of thunderstorms that formed on the east side of a high pressure ridge situated over the southern Plains and Rockies. The flow around these features creates ripples of energy that tap the warm, humid air and creates clouds, rain, and storms. As this system moved into central Louisiana from the north, it weakened as it moved into southern and western parishes. Thus, a distinct preference for substantial rain occurred over parishes in eastern Louisiana. The areal coverage of rain was 40-50%. The heaviest rain fell in that important agricultural region between the Black River and the Mississippi River. That pattern is evident in the above table.

-The decaying complex of storms produced strong and gusty wind across most of central Louisiana. Measured and estimated gusts were between 25 and 50 mph. For folks not receiving rain, this cooling outflow at least broke the heat for a while.

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