Monday, August 24, 2020

...MARCO DOWNGRADED TO A DEPRESSION...THIS WILL BE MY LAST BLOG POST ON THIS STORM...

 

 

928 
WTNT34 KNHC 250231
TCPAT4

BULLETIN
Tropical Depression Marco Advisory Number  20
NWS National Hurricane Center Miami FL       AL142020
1000 PM CDT Mon Aug 24 2020

...MARCO WEAKENS TO A TROPICAL DEPRESSION...
...HEAVY RAIN STILL POSSIBLE TONIGHT ACROSS PORTIONS OF THE CENTRAL
GULF COAST...


SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...29.0N 89.8W
ABOUT 45 MI...70 KM W OF THE MOUTH OF THE MISSISSIPPI RIVER
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...W OR 270 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...1007 MB...29.74 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:

None.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

There are no coastal watches or warnings in effect.


DISCUSSION AND OUTLOOK
----------------------
At 1000 PM CDT (0300 UTC), the center of Tropical Depression Marco
was located near latitude 29.0 North, longitude 89.8 West.  The
depression is moving toward the west near 9 mph (15 km/h).  Marco is
forecast to continue moving westward near the coast of Louisiana
for the next day or so.

Maximum sustained winds have decreased to near 35 mph (55 km/h) with
higher gusts.  Additional weakening is expected, and Marco is 
forecast to become a remnant low on Tuesday.  The system is then 
forecast to dissipate by early Wednesday.

The estimated minimum central pressure is 1007 mb (29.74 inches).


HAZARDS AFFECTING LAND
----------------------
RAINFALL:  Marco is expected to produce additional rainfall
accumulations of 1 to 3 inches with additional isolated totals of 5
inches across portions of the north-central Gulf coast and
Southeastern United States through Wednesday. Rain totals related
to Marco near Apalachicola, Florida reached as high as 11.81 inches
on Sunday per a CoCoRaHS report. The additional rainfall may result
in areas of flash, urban and small stream flooding along the same
area.

SURF:  Swells generated by Marco are likely to affect portions of
the northern Gulf Coast overnight. These swells are likely to cause
life-threatening surf and rip current conditions.  Please consult
products from your local weather office.

TORNADOES:  A brief tornado or two remains possible overnight across
the Florida Panhandle, southwest Georgia, far southern Alabama, and
far southern Mississippi.


NEXT ADVISORY
-------------
Next complete advisory at 400 AM CDT.

$$
Forecaster Zelinsky 
FOR FURTHER UPDATES ON MARCO CLICK ON NHC WEBSITE LINK:
https://www.nhc.noaa.gov/ 


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