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BULLETIN
Tropical Depression Sally Advisory Number  25
NWS National Hurricane Center Miami FL       AL192020
400 AM CDT Thu Sep 17 2020
 
...TROPICAL DEPRESSION SALLY STILL PRODUCING TORRENTIAL RAINS OVER
EASTERN ALABAMA AND WESTERN AND CENTRAL GEORGIA...
...THIS IS THE LAST ADVISORY ISSUED BY THE NATIONAL HURRICANE
CENTER...
 
 
SUMMARY OF 400 AM CDT...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...31.8N 85.7W
ABOUT 50 MI...80 KM SE OF MONTGOMERY ALABAMA
MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H
PRESENT MOVEMENT...NE OR 55 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES
 
 
WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 400 AM CDT (0900 UTC), the center of Tropical Depression Sally
was located near latitude 31.8 North, longitude 85.7 West. The
depression is moving toward the northeast near 12 mph (19 km/h), and
a northeastward to east-northeastward motion is expected into 
Friday.  On the forecast track, the center of Sally will move 
across southeastern Alabama this morning, over central Georgia 
this afternoon and evening, and move over South Carolina late 
tonight into Friday.
 
Maximum sustained winds have decreased to near 30 mph (45 km/h) 
with higher gusts. Additional weakening is forecast during the
next couple of days, and Sally is expected to become a remnant low
by tonight or Friday morning.
 
The estimated minimum central pressure based on nearby surface 
observations is 1000 mb (29.53 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
Key messages for Sally can be found in the Tropical Cyclone
Discussion under AWIPS header MIATCDAT4 and WMO header WTNT44 KNHC,
and on the web at www.hurricanes.gov/text/MIATCDAT4.shtml
 
RAINFALL:  Rainfall totals expected as Sally moves across the 
Southeast U.S. through Friday:

Central Georgia: Sally will produce additional rainfall totals of 3 
to 6 inches, with localized higher amounts, on top of 3 to 6 inches 
which has already fallen.  Widespread flash flooding and minor to 
moderate river flooding is likely. 

Central to upstate South Carolina: 3 to 6 inches, with isolated 
amounts of 10 inches. Widespread flash flooding and minor to 
moderate river flooding is likely. 

Western to central North Carolina into south-central and southeast 
Virginia: 4 to 6 inches, isolated amounts up to 8 inches. Flash 
flooding and widespread minor river flooding is likely.
 
STORM SURGE:  Water levels will continue to recede through the day
today.
 
TORNADOES:  A couple of tornadoes may occur early this morning
across southern Georgia and northern Florida.  The threat of
tornadoes will shift northeastward into eastern Georgia and much of
the Carolinas today and tonight.
 
SURF:  Swells from Sally will continue to affect the Gulf Coast
from the Florida Big Bend westward to southeastern Louisiana
through today. 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 Sally. Future information on this system can be found in 
Public Advisories issued by the Weather Prediction Center beginning 
at 10 AM CDT, under AWIPS header TCPAT4, WMO header WTNT34 KWNH, and 
on the web at http://www.wpc.ncep.noaa.gov. 
 
$$
Forecaster Stewart
 
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