 Unusually warm water temperatures have fueled Barrel's strength. The National Hurricane Center predicts Barrel will hit Texas between Sunday night and Monday morning. A severe weather disaster declaration has been issued for 40 Texas counties. On Mexico's Yucatan Peninsula, Barrel slammed tourist hotspots with 100-mile-per-hour winds that caused widespread blackouts and felled trees. But no casualties have been reported in Mexico. For NPR News, I'm Emily Green.