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A look at how much rain and wind Delta brought Cenla

Rainfall turned out to be the main threat from Louisiana’s fourth named landfalling storm of 2020
Published: Oct. 12, 2020 at 2:52 PM CDT|Updated: Oct. 12, 2020 at 2:55 PM CDT
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ALEXANDRIA, La. (KALB) - Hurricane Delta brought widespread heavy rainfall to central Louisiana. Numerous areas received well over one foot of rainfall during a three-day span on Thursday, Friday, and Saturday bringing flooding to many communities. Rapides Parish recorded some of the highest storm totals.

According to Chief Meteorologist Tom Konvicka these are the three-day return periods in central Louisiana, or how often we see rainfall amounts of each magnitude.

17.00 inches...approx. 100 years

16.00 inches...approx. 80 years

15.00 inches...appox. 50-55 years

14.00 inches...approx. 40 years

13.00 inches...approx. 30-35 years

Below are the top ten rainfall amounts recorded during Hurricane Delta from Tom Konvicka’s weather watcher network:

Three-day rainfall totals from Hurricane Delta recorded by KALB weather watchers.
Three-day rainfall totals from Hurricane Delta recorded by KALB weather watchers.(KALB)
Three-day rainfall totals from Hurricane Delta recorded by KALB weather watchers.
Three-day rainfall totals from Hurricane Delta recorded by KALB weather watchers.(KALB)

Although hurricane-force winds were initially forecast for much of central Louisiana, Hurricane Delta weakened significantly due to wind shear as it moved inland. Regardless, there were still tropical-storm-force wind gusts measured in several Cenla parishes.

The following observations represent the highest wind gusts in each parish measured over the 48-hour period from 11 a.m. October 8 until 11 a.m. October 10, according to the National Weather Service.

  • Allen: 32 mph in Oakdale
  • Avoyelles: 52 mph in Plaucheville
  • Beauregard: 61 mph in Deridder
  • Grant: 36 mph in Catahoula
  • Natchitoches: 47 mph at the Natchitoches Airport
  • Rapides: 61 mph in Alexandria at AEX
  • Sabine: 54 mph at Peason Ridge Ft. Polk
  • Vernon: 66 mph
  • Winn: 54 mph in Gum Springs

Other notable wind gusts around the state from Hurricane Delta include 92 mph in Lake Charles, 75 mph in Opelousas, and 75 mph in Lafayette. The highest recorded wind gust for Hurricane Delta is 100 mph in Texas Point, Texas.

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