The National Hurricane Center has issued updated wind speed probability graphics for Tropical Storm Bertha, providing forecasters and the public with the latest outlook on the storm’s potential impact.
The graphics depict the probability of 34-knot wind speeds occurring across a 120-hour forecast window. These probability maps are a key tool used by meteorologists to communicate the range of possible storm track and intensity scenarios.
The wind speed probability graphic was last updated on Tuesday, July 21, 2026, at 3:22 a.m. GMT, according to the National Hurricane Center.
Residents in potentially affected areas are encouraged to monitor the latest updates from the National Hurricane Center as the storm continues to develop.
