Update: as of 5 pm, Hurricane Bertha has continued to intensify and has reached 100 knots or Category 3 on the Saffir Simpson scale. NHC Discussion
BERTHA’S INTENSIFICATION TO MAJOR HURRICANE TODAY HIGHLIGHTS THE
DIFFICULTIES OF FORECASTING RAPID INTENSITY CHANGES.
The HWRF model has been the winner so far, correctly predicting Major hurricane status yesterday.
Yesterdays HWRF model at 06Z: