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Post-Tropical Cyclone Sally Public Advisory



000
WTNT34 KWNH 180248
TCPAT4

BULLETIN
Post-Tropical Cyclone Sally Advisory Number  28
NWS Weather Prediction Center College Park MD   AL192020
1100 PM EDT Thu Sep 17 2020

...POST-TROPICAL DEPRESSION SALLY STARTING TO ACCELERATE BUT STILL
PRODUCING HEAVY RAINFALL OVER EASTERN NORTH CAROLINA AND SOUTHEAST 
VIRGINIA...
...A TORNADO OR TWO REMAINS POSSIBLE OVER EASTERN NORTH CAROLINA 
TONIGHT...


SUMMARY OF 1100 PM EDT...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...34.3N 80.7W
ABOUT 30 MI...50 KM NE OF COLUMBIA SOUTH CAROLINA
ABOUT 55 MI...95 KM W OF FLORENCE SOUTH CAROLINA
MAXIMUM SUSTAINED WINDS...25 MPH...35 KM/H
PRESENT MOVEMENT...NE OR 50 DEGREES AT 15 MPH...24 KM/H
MINIMUM CENTRAL PRESSURE...1004 MB...29.65 INCHES


WATCHES AND WARNINGS
--------------------
Flood and Flash Flood Watches are in effect across portions of
South Carolina...North Carolina...and southeast Virginia.


DISCUSSION AND OUTLOOK
----------------------
At 1100 PM EDT (0300 UTC), the center of Post-Tropical Cyclone Sally
was located near latitude 34.3 North, longitude 80.7 West. The
post-tropical cyclone is moving toward the northeast near 15 mph (24
km/h) and this motion is expected to continue tonight.

Maximum sustained winds are near 25 mph (35 km/h) with higher gusts.
Little change in strength is forecast during the next 12 hours. The 
stronger winds are primarily located along and offshore the South 
and North Carolina coasts.

The estimated minimum central pressure is 1004 mb (29.65 inches).


HAZARDS AFFECTING LAND
----------------------
RAINFALL/FLOODING:  Sally is expected to produce an additional 1
to 4 inches of rainfall across portions of eastern North Carolina
and southeast Virginia. Scattered flash flooding and minor to
isolated moderate river flooding is likely.

TORNADOES:  A tornado or two may occur across eastern North 
Carolina tonight.


NEXT ADVISORY
-------------
This is the last public advisory issued by the Weather Prediction
Center on this system.

$$
Forecaster Chenard

FORECAST POSITIONS AND MAX WINDS

INIT  18/0300Z 34.3N  80.7W   20 KT  25 MPH...POST-TROP
 12H  18/1200Z 35.9N  75.5W   20 KT  25 MPH...POST-TROP
 24H  19/0000Z...POST-TROP/REMNT LOW