AI Summary

...BERTHA RESUMES A NORTHWESTWARD MOTION... ...TROPICAL STORM WATCHES AND WARNINGS REMAIN IN EFFECT FOR PORTIONS OF THE NORTH GULF COAST... As of 4:00 AM CDT Tue Jul 21 the center of Bertha was located near 28.7, -86.4 with movement NW at 5 mph. The minimum central pressure was 998 mb with maximum sustained winds of about 50 mph.

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