BULLETIN
Tropical Depression Hanna Advisory Number  18
NWS Weather Prediction Center College Park MD   AL082020
400 AM CDT Mon Jul 27 2020

...TROPICAL DEPRESSION HANNA OVER NORTHERN MEXICO...
...HEAVY RAIN AND DANGEROUS FLASH FLOODING CONTINUE OVER 
NORTHEAST MEXICO...


SUMMARY OF 400 AM CDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...24.1N 102.9W
ABOUT 65 MI...105 KM N OF FRESNILLO MEXICO
MAXIMUM SUSTAINED WINDS...25 MPH...35 KM/H
PRESENT MOVEMENT...W OR 270 DEGREES AT 5 MPH...7 KM/H
MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES


WATCHES AND WARNINGS
--------------------
Interests in Mexico should monitor monitor products
issued by the Mexican national meteorological service.


DISCUSSION AND OUTLOOK
----------------------
At 400 AM CDT (0900 UTC), the center of Tropical Depression Hanna
was located near latitude 24.1 North, longitude 102.9 West. The
depression is moving toward the west near 5 mph (7 km/h) and this
motion is expected to continue today.

Maximum sustained winds are near 25 mph (35 km/h) with higher gusts.
Hanna will weaken into a remnant low today. 

The estimated minimum central pressure is 1004 mb (29.65 inches).


HAZARDS AFFECTING LAND
----------------------
RAINFALL:  Hanna is expected to produce the following rain
accumulations and flood threats through Monday:

Far South Texas...Additional 1 to 2 inches. 

Northern Mexican states of Coahuila, Nuevo Leon, Tamaulipas...4 to
8 inches. Flash flooding and mudslides are possible across these
Mexican states.

Northern Mexican states of northern Zacatecas, northern San Luis
Potosi, and eastern Durango...1 to 2 inches.

SURF:  Swells generated by Hanna will continue to affect much
of the Texas and northeastern Mexico coasts early today. These
swells may cause rip current conditions.  Please consult products
from your local weather office.


NEXT ADVISORY
-------------
This is the last public advisory issued by the Weather Prediction
Center on this system.


Forecaster Petersen

FORECAST POSITIONS AND MAX WINDS

INIT  27/0900Z 24.1N 102.9W   20 KT  25 MPH
 12H  27/1800Z 24.1N 103.6W   15 KT  15 MPH...INLAND/REMNT LOW
 24H  28/0600Z...INLAND/REMNT LOW