BULLETIN
Tropical Depression Florence Advisory Number 72
NWS Weather Prediction Center College Park MD AL062018
500 AM EDT Mon Sep 17 2018
...FLORENCE CONTINUES TO PRODUCE WIDESPREAD HEAVY RAINS OVER
PARTS OF NORTH CAROLINA AND NORTHEASTERN SOUTH CAROLINA INTO
WESTERN VIRGINIA. FLASH FLOODING WILL CONTINUE OVER PORTIONS OF
THE WESTERN MID-ATLANTIC REGION...
SUMMARY OF 500 AM EDT...0900 UTC...INFORMATION
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LOCATION...36.9N 82.2W
ABOUT 125 MI...200 KM WSW OF ROANOKE VIRGINIA
ABOUT 145 MI...230 KM WNW OF GREENSBORO NORTH CAROLINA
MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H
PRESENT MOVEMENT...NNE OR 20 DEGREES AT 13 MPH...20 KM/H
MINIMUM CENTRAL PRESSURE...1008 MB...29.77 INCHES
WATCHES AND WARNINGS
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SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
There are no coastal watches or warnings in effect.
Flash flood warnings are currently in effect across a large portion
of southern and western North Carolina, portions of far northeast
South Carolina and southwest Virginia.
Flash flood watches are in effect across much of North
Carolina, northern South Carolina, portions of Western
Virginia, southern and eastern West Virginia, central and western
Maryland, central and western Pennsylvania, southern New York and
southern New England.
DISCUSSION AND OUTLOOK
----------------------
At 500 AM EDT (0900 UTC), the center of Tropical Depression Florence
was located near latitude 36.9 North, longitude 82.2 West. The
depression is moving toward the north-northeast near 13 mph (20
km/h) and this motion is expected to become northeasterly today
before accelerating and becoming more easterly on Tuesday.
Maximum sustained winds are near 30 mph (45 km/h) with higher gusts.
Some weakening is expected today before re-intensifying as it
transitions to an extratropical cyclone Tuesday and Wednesday.
The estimated minimum central pressure is 1008 mb (29.77 inches).
HAZARDS AFFECTING LAND
----------------------
RAINFALL: Florence is expected to produce heavy and excessive
rainfall over the next couple of days. Portions of the
Mid Atlantic states west of Interstate 95 into southeern
New York and southern New England are expected to receive
an additional 2 to 4 inches of rain...with isolated
maximum amounts of 6 inches possible.
For more information on rainfall totals please see the Storm Summary
available at www.wpc.ncep.noaa.gov/discussions/nfdscc4.html
TORNADOES: A couple of tornadoes remain possible from northeast
South Carolina and eastern/central North Carolina into parts of
Virginia, western Maryland, and southern Pennsylvania through
today.
NEXT ADVISORY
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Next complete advisory at 1100 AM EDT.
Forecaster Hurley/Bann
FORECAST POSITIONS AND MAX WINDS
INIT 17/0900Z 36.9N 82.2W 25 KT 30 MPH...INLAND
12H 17/1800Z 38.5N 81.7W 25 KT 30 MPH...INLAND
24H 18/0600Z 39.9N 79.1W 20 KT 25 MPH...POST-TROP/REMNT LOW
36H 18/1800Z 41.1N 74.3W 20 KT 25 MPH...POST-TROP/REMNT LOW
48H 19/0600Z 41.5N 67.7W 30 KT 35 MPH...POST-TROP/REMNT LOW
72H 20/0600Z 41.3N 56.1W 35 KT 40 MPH...POST-TROP/EXTRATROP
96H 21/0600Z 41.0N 44.1W 40 KT 45 MPH...POST-TROP/EXTRATROP
120H 22/0600Z 44.1N 34.0W 45 KT 50 MPH...POST-TROP/EXTRATROP