The National Hurricane Center has released updated wind speed probability graphics for Tropical Storm Bertha, giving forecasters and residents a clearer picture of where tropical-force winds could be felt.
The graphic shows the probability of 34-knot winds — the threshold for tropical storm-force conditions — reaching different areas within a 120-hour forecast window.
According to the timestamp on the official imagery, the wind speed probabilities were last updated on Thursday, July 23, 2026, at 15:00 GMT.
Residents in coastal areas are encouraged to monitor updates from the National Hurricane Center as the storm continues to develop and forecasts are refined.
