Weather Prediction Center issued their last advisory at 4pm CDT today (Thursday)
Posted by Chris in Tampa on 9/19/2019, 8:49 pm
Though the rainfall still isn't over.

River levels:
https://water.weather.gov/ahps/region.php?state=tx

Final advisory mentions storm totals of up to 45 inches:

"Across the Upper Texas Coast into far southeast Texas...additional 3
to 5 inches with isolated storm totals of 35 to 45 inches."

It could end up being a little more than that by the time it is done.

https://twitter.com/NWSHouston/status/1174809359794286592








Remnants Of Imelda Advisory Number 10
NWS Weather Prediction Center College Park MD AL112019
400 PM CDT Thu Sep 19 2019

...IMELDA HAS WEAKENED INTO AN OPEN WAVE...

SUMMARY OF 400 PM CDT...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...31.4N 96.4W
ABOUT 130 MI...210 KM NNW OF HOUSTON TEXAS
ABOUT 55 MI...90 KM N OF COLLEGE STATION TEXAS
MAXIMUM SUSTAINED WINDS...15 MPH...30 KM/H
PRESENT MOVEMENT...WNW OR 300 DEGREES AT 14 MPH...22 KM/H
MINIMUM CENTRAL PRESSURE...1010 MB...29.83 INCHES


WATCHES AND WARNINGS
--------------------
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

Flash flood emergencies are in effect for parts of southeastern
Texas.

Flash flood watches are in effect for parts of eastern Texas and
western Louisiana.


DISCUSSION AND OUTLOOK
----------------------
At 400 PM CDT (2100 UTC), the remnants of Imelda were located near
latitude 31.4 North, longitude 96.4 West. The remnants are moving
toward the west-northwest near 3 mph (5 km/h).

Maximum sustained winds are near 15 mph (30 km/h) with higher gusts.

The estimated minimum central pressure is 1010 mb (29.83 inches).


HAZARDS AFFECTING LAND
----------------------
RAINFALL: Imelda is expected to produce the following rainfall
amounts through Friday:

Across the Upper Texas Coast into far southeast Texas...additional 3
to 5 inches with isolated storm totals of 35 to 45 inches.

Across portions of southwest Louisiana...An additional 1 inch
with isolated totals of 3 inches.

Rest of east Texas...2 to 4 inches with isolated totals around 8
inches.

These rainfall totals may compound ongoing flash flooding.

TORNADOES: Isolated tornadoes will be possible today over parts of
Middle and Upper Texas Coast.


NEXT ADVISORY
-------------
This is the last public advisory issued by the Weather Prediction
Center on this system. Please refer to the WPC Storm Summary for
the remnants of Imelda for additional heavy rainfall totals and
discussion at www.wpc.ncep.noaa.gov/discussions/nfdscc4.html

$$
Forecaster Gallina/Pereira

FORECAST POSITIONS AND MAX WINDS

INIT 19/2100Z 31.4N 96.4W 15 KT 15 MPH
12H 20/0600Z...DISSIPATED













Saved images. Different rainfall scales between Houston/Galveston radar and Lake Charles radar.


From: https://radar.weather.gov/radar.php?rid=hgx&product=NTP&overlay=01101101&loop=no


From: https://radar.weather.gov/radar.php?rid=lch&product=NTP&overlay=01101101&loop=no

Rainfall estimates from the radar are an estimate. The total here might be off by quite a bit, but obviously still extreme.

From: https://www.wunderground.com/radar/us/tx/brownsville/hgx


From: https://www.wunderground.com/radar/us/la/new-orleans/lch

The heaviest rain was east of here:


From: https://www.harriscountyfws.org/



NWS:

Houston/Galveston, TX:
https://www.weather.gov/hgx/

Lake Charles, LA
https://www.weather.gov/lch/





"Storm Summary Number 8 for Heavy Rainfall Associated With Imelda
NWS Weather Prediction Center College Park MD
400 PM CDT Thu Sep 19 2019

...Extremely heavy rainfall ongoing as Imelda drifts over
southeast Texas...

Flash Flood Watches are in effect for portions of southeast Texas
and southwest Louisiana. Flash Flood Warnings and Emergencies are
in effect from the Houston metro area to far southwest Louisiana.
Flood Warnings are scattered across southeast Texas and southwest
Louisiana.

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

At 400 PM CDT...National Weather Service radar and surface
observations showed an area of extremely heavy rainfall associated
with Imelda across Houston's southern suburbs and along the Texas
southeast coast. Moderate to heavy rainfall was also impacting
locations southwest of Houston and western Louisiana. For more
information regarding the location and forecast track of Imelda,
please refer to www.wpc.ncep.noaa.gov

...Selected preliminary Storm Total Rainfall in inches from 700 AM
CDT Mon Sep 16 through 400 PM CDT Thu Sep 19...

...LOUISIANA...
DE QUINCY INDUSTRIAL AIRPARK         4.59                    
RAGLEY 5.0 SE                        4.38                    
IOWA 9.7 NNW                         3.78                    
LAKE CHARLES REGL ARPT               3.73                    

...TEXAS...
NORTH FORK TAYLORS BAYOU            43.15                    
GREEN POND GULLY                    40.51                    
FRINT ROAD  WILLOW MARCH BAYOU      37.40                    
HAMSHIRE 4 NNE                      33.58                    
EAST FORK SAN JACINTO               29.40                    
PEACH CREEK  SPLENDORA              25.76                    
PINE ISLAND BAYOU                   25.07                    
SAN BERNARD NWR                     21.69                    
ROMAN FOREST 1.9 ENE                21.01                    
TRINITY RIVER AT LIBERTY            20.43                    
BEAUMONT/PORT ARTHUR RGNL ARPT      20.40                    
DAYTON                              19.63                    
HUMBLE                              19.59                    
CLEVELAND                           18.25                    
GALVESTON ARPT                      14.57                    
HOUSTON INTERCONTINENTAL ARPT       11.64                    
HOUSTON HOBBY ARPT                  10.91                    


For the latest rainfall forecast and Excessive Rainfall Outlooks
associated with Imelda, please refer to www.wpc.ncep.noaa.gov

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

Mullinax"


From "Latest Summary for Heavy Rainfall Associated With Imelda":
https://www.wpc.ncep.noaa.gov/storm_summaries/storm_summaries.shtml
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Tropical Depression Imelda advisories handled by Weather Prediction Center while it remains a flood threat - Chris in Tampa, 9/18/2019, 9:05 am
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