Storm Summary Number 2 for Heavy Rain Associated with
Post-Tropical Cyclone Olga
NWS Weather Prediction Center College Park MD
500 AM EDT Sat Oct 26 2019

...Periods of Rain Continue From the Deep South to the Ohio Valley
as Olga Strikes the Central Gulf Coast...

Flash Flood Warnings are in effect for portions of southeast
Louisiana. Localized Flood Warnings and Advisories are also in
effect in parts of Louisiana, Mississippi, and Alabama.

Flash Flood Watches remain in effect for southern and eastern
Louisiana, most of Mississippi, eastern Arkansas, western
Tennessee, far southeast Missouri, far southern Illinois, far
western Kentucky, and portions of eastern Oklahoma and western
Arkansas.

For a detailed graphical depiction of the latest watches, warnings
and advisories, please see www.weather.gov

At 400 AM EDT...National Weather Service radar and surface
observations show periods of rain are ongoing across the lower
Mississippi River Valley and extending north into the Tennessee
and Ohio Valleys. Periods of rain are also ongoing in parts of
central Oklahoma. The heaviest rain bands are located over
northwest Alabama and southeast Louisiana. Below are preliminary
rainfall observations associated with Olga.

...Selected preliminary Storm Total Rainfall in inches from 800 PM
EDT Thu Oct 24 through 400 AM EDT Fri Oct 25...

...ALABAMA...
TUSCALOOSA RGNL ARPT                 6.82                    
EUTAW                                6.12                    
WINFIELD                             4.25                    
HALEYVILLE POSEY FIELD ARPT          3.95                    
GADSDEN MUNI ARPT                    3.00                    
SHELBY CNTY ARPT                     2.93                    
MOBILE RGNL ARPT                     2.87                    

...LOUISIANA...
LAPLACE                             10.21                    
RACELAND                             7.03                    
NEW ORLEANS INTL ARPT                6.90                    
HOUMA                                6.89                    
LUTCHER                              5.93                    
THIBODAUX                            5.48                    
HAMMOND                              4.75                    
PONCHATOULA 4.9 E                    4.33                    
SLIDELL ARPT                         4.07                    

...MISSISSIPPI...
SHUCKTOWN 1 N                        5.45                    
BOGUE CHITTO                         5.37                    
LAUDERDALE                           5.21                    
MERIDIAN/KEY FIELD                   4.86                    
COLUMBUS 5.3 ESE                     4.50                    
JAYESS 5.6 SW                        3.44                    
COLUMBUS AFB                         3.37                    
LAUREL NOBLE FIELD                   3.36                    
HATTIESBURG MUNI ARPT                3.27                    


Post-Tropical Cyclone Olga will track northeast through the Lower
Mississippi Valley this morning. As Olga advances inland so will
its swath of heavy rainfall and the potential for flash flooding
during the day on Saturday. Olga's remnants will continue to
advance north Saturday afternoon and evening into the
mid-Mississippi River Valley, Ohio Valley, and the Lower Great
Lakes. For the latest rainfall forecast associated with Olga
please refer to www.wpc.ncep.noaa.gov.

The next Storm Summary will be issued by the Weather Prediction
Center at 1100 AM EDT. Please refer to your local National Weather
Service office for additional information on this event.

Mullinax