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Tropical Depression Eight Intermediate Advisory Number 3A
NWS National Hurricane Center Miami FL AL082020
100 PM CDT Thu Jul 23 2020
...HURRICANE HUNTER AIRCRAFT FINDS THE DEPRESSION IS TO THE
SOUTHEAST OF THE PREVIOUS ADVISORY...
...HEAVY RAINS LIKELY OVER PORTIONS OF TEXAS BY THIS WEEKEND...
SUMMARY OF 100 PM CDT...1800 UTC...INFORMATION
ABOUT 415 MI...665 KM ESE OF PORT OCONNOR TEXAS
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 7 MPH...11 KM/H
MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES
WATCHES AND WARNINGS
CHANGES WITH THIS ADVISORY:
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Watch is in effect for...
* Port Mansfield to High Island Texas
A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, generally within 48 hours.
Interests elsewhere along the Texas and Louisiana coast should
monitor the progress of this system. Tropical Storm Warnings may
be required for portions of the Watch area later today.
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 PM CDT (1800 UTC), the center of Tropical Depression Eight
was located by an Air Force Reserve Hurricane Hunter aircraft near
latitude 26.0 North, longitude 90.3 West. The depression 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 depression is
expected to move across the northwestern Gulf of Mexico today and
Friday and make landfall along the Texas coast on Saturday.
Maximum sustained winds are near 35 mph (55 km/h) with higher
gusts. Slow strengthening is expected, and the depression could
become a tropical storm during the next 12 to 24 hours.
The latest minimum central pressure reported by the Hurricane
Hunter Aircraft is 1008 mb (29.77 inches).
HAZARDS AFFECTING LAND
Key messages for Tropical Depression Eight can be found in the
Tropical Cyclone Discussion under AWIPS header MIATCDAT3 and WMO
header WTNT43 KNHC.
WIND: Tropical storm conditions are possible within the watch
area by Friday night.
RAINFALL: The tropical depression is expected to produce 3 to 5
inches of rain with isolated maximum totals of 8 inches through
Monday along the Gulf Coast from Louisiana to the Lower Texas Coast,
and inland through south-central Texas and the Rio Grande Valley.
This rain may result in flash flooding, rapid rises on small
streams, and isolated minor flooding across the west-central Gulf
Coast and into portions of south Texas.
SURF: Swells generated by the depression are expected to increase
and affect much of the Texas and Louisiana coasts in a day or two.
These swells are likely to cause life-threatening surf and rip
current conditions. Please consult products from your local
Next complete advisory at 400 PM CDT.