Barbara will pose a threat of flooding rain and damaging winds as it pushes inland over the southern Pacific coast of Mexico on Wednesday.
The hurricane was making landfall near Salina Cruz, Mexico during the midday.
Damaging winds can fell trees and down power lines as the storm makes its way onshore Wednesday.
As Barbara interacts with the mountains of Oaxaca and Chiapas states, it will trigger local rainfall of 8 to perhaps 12 inches within 24 to 48 hours. Flash flooding and landslides will be possible. Higher mountains of Oaxaca and Chiapas, which rise 8,000 to 12,000 above sea level, can act to wring out extreme rainfall with landfalling tropical cyclones.
Barbara formed as a tropical depression at about 7:45 p.m. EDT Tuesday, May 28, and within a few hours was upgraded to a tropical storm.
Although Barbara will weaken and dissipate inland, forecast tools accessed by AccuWeather.com indicate that the weather throughout southern Mexico and nearby Central America will remain unsettled with further outbreaks of heavy rain through at least the start of next week.
A change in the weather pattern will bring and extended period of dry and sunny conditions over much of the south-central United States.
SpaceX is preparing to launch another rocket into space, and as they do so, they will be monitoring the weather carefully to make sure that it does not interfere.
Residents of the southeastern United States may feel like the calendar has flipped ahead to Memorial Day with warm and muggy weather in place for the start of May.
May is picking up where April left off with record-challenging warmth surging back into the northwestern United States.
Dry days will be hard to come by in the northeastern United States for the first week of May as storm systems bring frequent rain to the region.
Torrential rain triggered flooding across southern Louisiana over the weekend, submerging streets and closing major highways.
Tornadoes in Rogers, Mays & Cherokee counties; 71 killed.
Springfield, MO (1929)
6.1" snow, latest big snowfall.
Raleigh, NC (1939)
Trace of snow, latest on record.