The National Hurricane Center has released updated wind speed probability graphics for Tropical Storm Bertha, giving forecasters and residents a look at where dangerous winds may develop over the next five days.
The graphics show the probability of 34-knot winds — the threshold for tropical storm-force conditions — reaching different locations within a 120-hour forecast window.
According to the National Hurricane Center, the wind speed probability data was last updated on Thursday, July 23, 2026, at approximately 9:22 a.m. GMT.
Residents in potentially affected areas are encouraged to monitor the latest updates from the National Hurricane Center as Tropical Storm Bertha continues to develop.
