The National Hurricane Center has issued updated wind speed probability graphics for Post-Tropical Cyclone Arthur, providing forecasters and the public with the latest outlook on the storm system.
The graphics display the probability of 34-knot wind speeds occurring across the storm’s projected path over a 120-hour period. These probability maps are a standard tool used by meteorologists to communicate the likelihood of hazardous winds reaching specific areas.
The wind speed probability information was last updated Thursday, June 18, 2026, at 2:51 a.m. GMT, according to the National Hurricane Center.
