Tropical Depression Laura Public Advisory

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412 
WTNT33 KNHC 280234
TCPAT3

BULLETIN
Tropical Depression Laura Advisory Number  33
NWS National Hurricane Center Miami FL       AL132020
1000 PM CDT Thu Aug 27 2020

...LAURA WEAKENS TO A DEPRESSION OVER ARKANSAS...
...FLOOD THREAT CONTINUES...


SUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...35.1N 92.0W
ABOUT 30 MI...50 KM NNE OF LITTLE ROCK ARKANSAS
MAXIMUM SUSTAINED WINDS...35 MPH...55 KM/H
PRESENT MOVEMENT...NNE OR 15 DEGREES AT 15 MPH...24 KM/H
MINIMUM CENTRAL PRESSURE...993 MB...29.33 INCHES


WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.


DISCUSSION AND OUTLOOK
----------------------
At 1000 PM CDT (0300 UTC), the center of Tropical Depression Laura
was located near latitude 35.1 North, longitude 92.0 West. The
depression is moving toward the north-northeast near 15 mph (24
km/h), and this general motion should continue overnight. 
A northeastward to east-northeastward motion is expected to begin on 
Friday and continue into Saturday.  On the forecast track, the 
center of Laura is forecast to move over Arkansas tonight, the 
mid-Mississippi Valley on Friday, the mid-Atlantic states on 
Saturday, and over the western Atlantic on Sunday.

Maximum sustained winds have decreased to near 35 mph (55 km/h) 
with higher gusts.  Laura is expected to become a remnant low 
pressure system on Saturday, and an extratropical low later this 
weekend.

The estimated minimum central pressure is 993 mb (29.33 inches).


HAZARDS AFFECTING LAND
----------------------
Key messages for Laura can be found in the Tropical Cyclone
Discussion under AWIPS header MIATCDAT3 and WMO header WTNT43 KNHC.

RAINFALL: Through Friday, Laura is expected to produce the 
following additional rainfall totals:

Over central and northern Arkansas: Additional 3 to 6 inches.

Over southern Louisiana and southern Mississippi: 1 to 3 inches, 
with isolated additional totals of 5 inches.

Over northern Mississippi, western Tennessee, and south-central to 
southeast Missouri: 1 to 3 inches, with isolated totals of 5 
inches. 

This rainfall will continue to cause widespread flash and urban 
flooding, small streams and creeks to overflow their banks, and 
minor to moderate freshwater river flooding. 

Through Saturday, Laura is expected to produce 1 to 3 inches with 
isolated maximum amounts of 5 inches across portions of the
Tennessee and Lower Ohio Valleys, the central and southern 
Appalachians, and the Mid-Atlantic States. This rainfall may lead to 
flash and urban flooding and rapid rises on small streams.

TORNADOES:  A few tornadoes remain possible this evening across
eastern Arkansas, western Tennessee, northern Mississippi, and the
Missouri Bootheel.  The risk for a few tornadoes is expected to
redevelop Friday afternoon into the evening across parts of the
Mid-South and Tennessee Valley regions.

SURF:  Swells produced by Laura continue to affect the U.S. Gulf
coast from the Florida Panhandle to Texas.  These swells are likely
to cause life-threatening surf and rip current conditions.  Please
consult products from your local weather office.


NEXT ADVISORY
-------------
This is the last public advisory issued by the National Hurricane
Center on this system.  Future information on this system can be 
found in Public Advisories issued by the Weather Prediction Center 
beginning at 4 AM CDT, under AWIPS header TCPAT3, WMO header 
WTNT33 KWNH, and on the web at http://www.wpc.ncep.noaa.gov. 


$$
Forecaster Pasch




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