Tropical Storm Arthur Expected to Form in Gulf, Heavy Rain Forecast for Gulf Coast
• The National Hurricane Center (NHC) has indicated that Tropical Storm Arthur, the first named storm of the 2026 Atlantic hurricane season, could form as early as Tuesday, June 16,
• A trough of low pressure near the Texas-Mexico border is producing widespread disorganized showers and thunderstorms. This system is expected to move over the northwestern Gulf of Mexico, where conditions may support the development of a tropical storm by late Tuesday or Wednesday. Regardless of whether it becomes a tropical cyclone, the system is forecast to bring significant rainfall to parts of southern and eastern Texas, Louisiana, and Mississippi. Rainfall totals could exceed 15 inches in isolated areas, with widespread flash flooding, urban flooding, and river flooding anticipated. Gusty winds and coastal flooding are also possible along the northwestern Gulf Coast.
Why It's Important?
The primary risks associated with this system include life-threatening flash flooding, urban flooding, and river flooding across the Gulf Coast. Areas between Corpus Christi, Texas, and Lake Charles, Louisiana, as well as parts of southwest Mississippi, are expected to experience the heaviest rainfall. The National Weather Service (NWS) has issued a flood watch for southeast Texas, where rainfall totals of 4-7 inches are expected, with isolated areas receiving over 10 inches. Louisiana and Mississippi could see an additional 4-6 inches of rain through Friday, with some areas exceeding 10 inches by Saturday morning. Coastal flooding and gusty winds may also impact the region.
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