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BULLETIN
Tropical Depression Bertha Advisory Number   4
NWS Weather Prediction Center College Park MD   AL022020
1100 PM EDT Wed May 27 2020
 
...CENTER OF BERTHA MOVING FARTHER INLAND WHILE LOSING TROPICAL
CHARACTERISTICS...
...HEAVY RAINFALL SPREADING ACROSS WESTERN NORTH CAROLINA AND
SOUTHWEST VIRGINIA INTO WEST VIRGINIA...
 
 
SUMMARY OF 1100 PM EDT...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...36.0N 80.5W
ABOUT 40 MI...65 KM W OF GREENSBORO NORTH CAROLINA
ABOUT 95 MI...150 KM SSW OF ROANOKE VIRGINIA
MAXIMUM SUSTAINED WINDS...30 MPH...45 KM/H
PRESENT MOVEMENT...N OR 350 DEGREES AT 23 MPH...37 KM/H
MINIMUM CENTRAL PRESSURE...1009 MB...29.80 INCHES
 
 
WATCHES AND WARNINGS
--------------------
Flash Flood Watches are in effect across northeast South
Carolina, southern and west-central North Carolina, southwest
Virginia, and southwestern West Virginia.
 
 
DISCUSSION AND OUTLOOK
----------------------
At 1100 PM EDT (0300 UTC), the center of Tropical Depression Bertha
was located near latitude 36.0 North, longitude 80.5 West. The
depression is moving toward the north near 23 mph (37 km/h) and this
motion is expected to accelerate and turn north-northeast on 
Thursday.
 
Maximum sustained winds are near 30 mph (45 km/h) with higher gusts.
Weakening is forecast during the next 24 hours.  Bertha is 
expected to dissipate Thursday night.
 
The estimated minimum central pressure is 1009 mb (29.80 inches).
 
 
HAZARDS AFFECTING LAND
----------------------
RAINFALL:  Bertha is expected to produce total rainfall 
accumulations of 2 to 4 inches with isolated totals of 8 inches 
across northeastern South Carolina into sections of North Carolina 
and southwest Virginia.  Given very saturated antecedent conditions, 
this rainfall may produce life threatening flash flooding, aggravate 
and prolong ongoing river flooding, and produce rapid out of bank 
rises on smaller rivers.
 
WIND:  Gusty winds are possible across the higher elevations
of southwest Virginia and West Virginia as Bertha progresses across
the Appalachians.
 
 
NEXT ADVISORY
-------------
Next complete advisory at 500 AM EDT.
 
$$
Forecaster Roth
 
FORECAST POSITIONS AND MAX WINDS
 
INIT  28/0300Z 36.0N  80.5W   25 KT  30 MPH
 12H  28/1200Z 39.1N  80.3W   25 KT  30 MPH...POST-TROP/EXTRATROP
 24H  29/0000Z 44.1N  77.6W   20 KT  25 MPH...POST-TROP/REMNT LOW
 36H  29/1200Z...DISSIPATED
 
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