Storm Summary Number 3 for Southern Plains Heavy Rain
NWS Weather Prediction Center College Park MD
1000 AM CDT Thu May 20 2021

...Additional heavy rainfall is forecast to fall over the Southern
Plains and Mississippi Valley today, exasperating ongoing flood
issues in the region...

Flash Flood Watches are in effect across the eastern half of the
Southern PLains into the Mississippi Valley.

Flood Warnings are in effect east of the DFW Metro, and further
southeast along the Gulf Coast.

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

At 900 AM CDT...National Weather Service Doppler RADAR detected a
complex of showers and thunderstorms over eastern Louisiana,
progressing northward. Additional thunderstorms were observed over
the Gulf of Mexico via visible satellite imagery. An east-west
oriented outflow boundary was analyzed at the surface just
offshore in the Gulf of Mexico.

...Selected preliminary Storm Total Rainfall in inches from 800 AM
CDT Sat May 16 through 900 AM CDT Wed May 20...

...LOUISIANA...
SOUTH LAKE CHARLES                  21.39 L-2A @ MCNEESE ST 2
LAKE CHARLES 4 S                    15.84                    
LAKE CHARLES 2 SSW                  15.07                    
BAYOU MANCHAC                       13.09                    
SHENADOAH 1.5 S                     12.06                    
BATON ROGUE 4.0 SSE                 11.34                    
PRAIRIEVILLE 2.0 S                  11.13                    
IOWA 5 WSW                          10.38                    
BATON ROGUE                         10.19                    
BREAUX RIDGE 0.7 NNW                 8.20                    
ST. MARTINSVILLE 0.2 S               8.01                    
SLIDELL 3.2 E                        7.10                    
GRAND COTEAU 2.7 WSW                 6.93                    
CARENCRO 3.9 ENE                     6.23                    
NEW ORLEANS 3.8 WSW                  3.89                    

...TEXAS...
HILLEBRANDT BAYOU                   18.68 3200 GLENNBROOK DR 2
TAYLORS BAYOU                       16.69 ST 5400 ST HGHWY 365
KEITH LAKE                          16.58 ST 7300 @ HGHWY 87 2
KINGSVILLE                          13.74                    
EDNA 3.8 NNW                        12.64                    
FANNETT 5 WNW                       12.53                    
NEDERLAND 1.8 W                     12.31                    
TAYLOR LANDING                      11.92                    
PORT ARTHUR 6 SSW                   10.72                    
VIDOR 1.4 SW                        10.57                    
BEAUMONT 0.3 ESE                    10.54                    
PORT LAVACA 6.8 W                   10.46                    
VICTORIA 0.4 SE                      9.89                    
ROCKPORT 3.0 NNW                     9.84                    
EL CAMPO 2.7 NW                      7.92                    
BISHOP                               7.75                    
PORT ARANSAS 4.0 SSW                 7.48                    
LA GRANGE                            6.89                    
RICHMOND 1.2 ESE                     6.09                    
CORPUS CHRISTI 4.8 W                 6.02                    
GALVESTON 3.6 WSW                    5.76                    
TEXAS CITY 3.8 E                     5.01                    
HOUSTON 7.7 W                        4.67                    
PASADENA 4.4 WNW                     3.95                    


Through Friday, a continous feed of moisture from the Gulf of
Mexico is forecast to fuel additional thunderstorm development
over the region. Additional rainfall of 1 to 2 is forecast across
portions of the central and western Gulf coast through Sunday. A
Moderate Risk of excessive rainfall remains in place over the
South Central Louisiana through Friday morning.

The next Storm Summary will be issued by the Weather Prediction
Center at 1000 AM CDT Fri May 21 2021. Please refer to your local
National Weather Service office for additional information on this
event.

Asherman