ORLANDO, Fla. _ After picking up strength and making landfall as a Category 1 hurricane Saturday, Hanna is now a tropical storm, producing heavy rain and dangerous flash flooding over parts of southeast Texas and northeast Mexico.
Tropical Storm Hanna was last located 55 miles west of McAllen on Sunday, moving west southwest at 9 mph and packing maximum sustained winds of 50 mph with higher gusts, according to the National Hurricane Center's latest advisory.
Tropical-storm-force winds extend outward up to 115 miles mainly over water to the east of the center, forecasters said.
Hanna's center will continue moving inland over northeastern Mexico through Sunday night. A tropical storm warning is in effect from Baffin Bay, Texas to Barra el Mezquital, Mexico.
Hanna poses no threat to Florida at this time. But the hurricane center is watching yet another broad area of low pressure with potential for development.
The low pressure area was located about 1,000 miles west southwest of the Cabo Verde Islands on Sunday morning, moving west across the Atlantic at about 20 mph as it produced a "wide area of disorganized showers and thunderstorms," the NHC said.
A 60% chance of development into a tropical depression is possible within the next 48 hours, and within the next five days the chances rise to 90%.
Tropical Storm Hanna is expected to rapidly weaken to a depression "later today and dissipate Monday" as it moves farther inland.
However, forecasters stressed that "heavy rainfall, strong winds, storm surge, dangerous surf, and isolated tornadoes remain a threat."
Hanna is expected to dump 6 to 12 inches of rain, perhaps up to 18 inches in some areas, through Sunday night in south Texas and nearby Mexican states. 2 to 4 inches of rain along the upper Texas and Louisiana coasts is also expected.
Chris Birchfield, a meteorologist with the National Weather Service in Brownsville, told the Associated Press that residents needed to remain alert to the storm's real threat of heavy rainfall.
Forecasters warn the downpours could lead to life-threatening flash flooding, rapid rises on small streams, and isolated minor to moderate river flooding in south Texas, and inland to the Mexican states of Coahuila, Nuevo Leon, and northern Tamaulipas.
Hanna was the first hurricane of the 2020 Atlantic season. It made landfall twice _ at around 5 p.m. about 15 miles north of Port Mansfield, and again about an hour later in Padre Island with maximum sustained winds of 90 mph.
President Donald Trump tweeted on Saturday that his administration was "closely monitoring" Hanna along with Hurricane Douglas, a dangerously strong hurricane closing in on Hawaii in the Central Pacific.
Trump urged residents to listen to emergency officials in order "to protect your family & property!"
Douglas was last located about 285 miles east of Honolulu, heading west northwest at 16 mph with maximum sustained winds of 90 mph, the NHC said.
Hurricane and tropical storm watches and warnings are in effect for several counties including Kauai, Maui, Hawaii, as well as the islands of Lanai, Molokai and Kahoolawe.
Douglas will pass "dangerously close" to the main Hawaiian Islands later Sunday, forecasters said, with hurricane-force-winds extending outward up to 25 miles from the center and tropical-storm-force winds extending about 105 miles.
"Some slow weakening is forecast during the next 48 hours, but Douglas is expected to remain near hurricane intensity as it passes near, or over, the islands," forecasters said.
Meanwhile, little is left of what was once known as Tropical Depression Gonzalo.
Its remnants produced gusty winds and heavy rains Saturday night as they moved west across the southern Caribbean Sea. In its last advisory on the system, the NHC said this movement will continue over the next couple of days.
