WTNT32 KNHC 271207
TCPAT2
BULLETIN
Tropical Storm Bertha Special Advisory Number 1
NWS National Hurricane Center Miami FL AL022020
830 AM EDT Wed May 27 2020
…TROPICAL STORM BERTHA FORMS NEAR THE COAST OF SOUTH CAROLINA…
…TROPICAL STORM WARNING ISSUED AND HEAVY RAINFALL EXPECTED…
SUMMARY OF 830 AM EDT…1230 UTC…INFORMATION
———————————————-
LOCATION…32.7N 79.4W
ABOUT 30 MI…50 KM ESE OF CHARLESTON SOUTH CAROLINA
MAXIMUM SUSTAINED WINDS…45 MPH…75 KM/H
PRESENT MOVEMENT…NW OR 320 DEGREES AT 9 MPH…15 KM/H
MINIMUM CENTRAL PRESSURE…1009 MB…29.80 INCHES
WATCHES AND WARNINGS
——————–
CHANGES WITH THIS ADVISORY:
A Tropical Storm Warning is in effect for the coast of South
Carolina from Edisto Beach to South Santee River.
SUMMARY OF WATCHES AND WARNINGS IN EFFECT:
A Tropical Storm Warning is in effect for…
* Edisto Beach SC to South Santee River SC
A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning, in this case in the next few
hours.
For storm information specific to your area, including possible
inland watches and warnings, please monitor products issued by your
local National Weather Service forecast office.
DISCUSSION AND OUTLOOK
———————-
At 830 AM EDT (1230 UTC), the center of Tropical Storm Bertha was
located near latitude 32.7 North, longitude 79.4 West. Bertha is
moving toward the northwest near 9 mph (15 km/h) and this motion is
expected to continue through tonight. On the forecast track the
center of Bertha will move onshore in the warning area in the next
few hours and the move inland across eastern and northern South
Carolina later today and into west-central North Carolina by
tonight.
Maximum sustained winds are near 45 mph (75 km/h) with higher gusts.
Bertha is expected to weaken to a tropical depression after moving
inland and become a remnant low tonight.
Tropical-storm-force winds extend outward up to 25 miles (35 km)
from the center.
The estimated minimum central pressure is 1009 mb (29.80 inches).
HAZARDS AFFECTING LAND
———————-
RAINFALL: Bertha is expected to produce total rain accumulation of
2 to 4 inches with isolated totals of 8 inches across eastern and
central South Carolina into west central to far southeastern
North Carolina and southwest Virginia. This rainfall may produce
life-threatening flash flooding.
WIND: Tropical storm conditions are expected to reach the coast
within the warning area in the next couple of hours.