ZCZC MIATCPAT3 ALL
TTAA00 KNHC DDHHMM
Tropical Storm Hanna Intermediate Advisory Number 5A
NWS National Hurricane Center Miami FL AL082020
100 AM CDT Fri Jul 24 2020
...HANNA CONTINUES MOVING SLOWLY WEST-NORTHWESTWARD TOWARD TEXAS...
SUMMARY OF 100 AM CDT...0600 UTC...INFORMATION
ABOUT 360 MI...575 KM ESE OF CORPUS CHRISTI TEXAS
MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 7 MPH...11 KM/H
MINIMUM CENTRAL PRESSURE...1002 MB...29.59 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Warning is in effect for...
* Mouth of the Rio Grande to San Luis Pass Texas
A Tropical Storm Watch is in effect for...
* San Luis Pass to High Island Texas
A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area within 36 hours.
A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, generally within 48 hours.
Interests along the Texas and Louisiana coast should monitor the
progress of this system.
For storm information specific to your area, including possible
inland watches and warnings, please monitor products issued by your
local National Weather Service forecast office.
DISCUSSION AND OUTLOOK
At 100 AM CDT (0600 UTC), the center of Tropical Storm Hanna was
located near latitude 26.4 North, longitude 91.8 West. Hanna is
moving toward the west-northwest near 7 mph (11 km/h) and a
west-northwestward to westward motion is expected during the next
couple of days. On the forecast track, the center of the storm is
expected to move across the northwestern Gulf of Mexico today and
tonight, and make landfall along the Texas coast on Saturday.
Maximum sustained winds are near 40 mph (65 km/h) with higher
gusts. Additional strengthening is expected until the system makes
landfall. Steady weakening is expected after Hanna moves inland.
Tropical-storm-force winds extend outward up to 35 miles (55 km)
from the center.
The estimated minimum central pressure is 1002 mb (29.59 inches).
HAZARDS AFFECTING LAND
Key messages for Tropical Storm Hanna can be found in the
Tropical Cyclone Discussion under AWIPS header MIATCDAT3 and WMO
header WTNT43 KNHC.
WIND: Tropical storm conditions are expected in the warning area
by tonight or Saturday morning. Tropical storm conditions are
possible within the watch area by tonight or Saturday morning.
RAINFALL: Hanna is expected to produce 3 to 5 inches of rain with
isolated maximum totals of 10 inches through Monday along the Gulf
Coast of the United States from Louisiana to south Texas, and inland
to the Mexican states of Coahuila, Nuevo Leon, and northern
Tamaulipas. This rain may result in life-threatening flash
flooding, rapid rises on small streams, and isolated minor to
moderate river flooding.
SURF: Swells generated by Hanna are expected to increase and affect
much of the Texas and Louisiana coasts during the next few days.
These swells are likely to cause life-threatening surf and rip
current conditions. Please consult products from your local weather
Next complete advisory at 400 AM CDT.