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Yahoo
6 days ago
- Climate
- Yahoo
National Hurricane Center keeping eye on system off coast. See what Florida can expect
Chances for tropical development from a system off the coast of Florida dropped to zero Wednesday morning. Chances for development were low Monday and Tuesday, but were dependent on the system of low pressure remaining over open water. By 8 a.m. June 4, forecasters were expecting development of a non-tropical area of low pressure to occur inland over South and North Carolina. ➤ Track all active storms ➤ Weather alerts via text: Sign up to get updates about current storms and weather events by location The National Hurricane Center said showers and thunderstorms associated with the system currently are located over Florida and warned heavy rain associated with the system could bring heavy rainfall and some flash flooding to portions of the southeastern coast June 4 and June 5. Saharan dust moving across the Atlantic and moving into Florida has helped keep the tropics quiet. The dust helps prevent storms from developing or strengthening. Historically, tropical systems in June develop close to the U.S., off the southeast coast or in the Gulf of America or Caribbean. Later in the season, storms typically form out of tropical waves moving off the coast of Africa. The Atlantic hurricane season officially began Sunday, June 1, and meteorologists from NOAA to AccuWeather are predicting an above-normal season. The first named storm of the 2025 Atlantic hurricane season will be Andrea. Here's the latest advisory from the National Hurricane Center as of 8 a.m., June 4. Showers and thunderstorms located over the Florida peninsula, the southeastern U.S. coast, the northwestern Bahamas, and the adjacent Atlantic and Gulf waters are associated with a broad trough of low pressure. A non-tropical low pressure area is forecast to form from this system on Thursday, but it is becoming increasingly likely that this development will occur inland over South Carolina and North Carolina. As a result, the low's chances of acquiring subtropical or tropical characteristics have diminished. Regardless of development, heavy rainfall could cause some flash flooding along portions of the southeastern U.S. coast today and on Thursday, June 5. Formation chance through 48 hours: low, near 0 percent. Formation chance through 7 days: low, near 0 percent. The National Hurricane Center also is monitoring a tropical wave in the Atlantic southwest of Cabo Verde. It's moving west at 11 mph. Forecasters urge all residents to keep an eye on the tropics and to always be prepared. "The system poses no direct threat to Florida but could bring some elevated rain chances along the I-95 corridor and rough seas and a high risk for rip currents along Atlantic beaches mid-to-late week," according to the Florida Department of Emergency Management. "Showers and thunderstorms located over the Florida peninsula, the southeastern U.S. coast, the northwestern Bahamas, and the adjacent Atlantic and Gulf waters are associated with a broad trough of low pressure," the National Hurricane Center said. A tropical wave is a system of low pressure that moves westward across the tropics. Waves can lead to the formation of tropical cyclones, under the right conditions, according to the National Weather Service. The majority of tropical cyclones develop out of tropical waves, which also are called easterly waves, according to NOAA. AccuWeather Senior Meteorologist Dan Kottlowski said 85% of all tropical storms can trace their origins to tropical waves. "If a tropical wave survives its journey westward, it will find increasingly warm waters and moist air as it approaches the Lesser Antilles, a group of islands in the Caribbean Sea," AccuWeather said. Historically, named storms that develop in June pop up off the southeastern coast of the U.S. and the Gulf of America, according to data from NOAA and the National Weather Service. By August, storms usually develop in the Atlantic or as they emerge as tropical waves off the coast of Africa. AccuWeather meteorologists said showers and thunderstorms stretching from the Bahamas to South Florida and Cuba will slowly drift north-northeast into Thursday, drenching Florida, southern Georgia, and coastal areas of the Carolinas. "Too much rain may fall too fast and lead to flash urban flooding. Cities such as Miami and Fort Lauderdale, Florida; Charleston, South Carolina; and Wilmington, North Carolina; should be prepared for flooding. "Not only is urban flooding a concern, but building seas and local onshore winds from the budding low pressure area can lead to dangerous rip currents, coastal flooding, and beach erosion from the Florida east coast to the Carolinas." Another area being watched for potential tropical development between June 8 and June 13 is the western and central Caribbean. Saharan dust is moving into Florida and may hang around until Saturday. ➤ 'Wall of dust': See impacts of Saharan dust, smoke from Canadian wildfires in Florida A flood watch is in effect for Broward and Miami-Dade counties, with an additional 0.5 to 1.5 inches of rain expected June 4 and some isolated locations getting up to 6 inches, according to the National Weather Service Miami. ➤ Excessive rainfall forecast Some areas in Southwest Florida could receive more than 2.5 inches of rain June 4, according to the National Weather Service Tampa Bay. Heavy rainfall will be possible with a widespread 1.5 to 3 inches through Thursday with isolated higher amounts," according to the National Weather Service Tallahassee. The Atlantic hurricane season runs from June 1 through Nov. 30. Ninety-seven percent of tropical cyclone activity occurs during this time period, NOAA said. The Atlantic basin includes the northern Atlantic Ocean, Caribbean Sea and Gulf of America, as the Gulf of Mexico is now known in the U.S. per an order from President Trump. NOAA and the National Hurricane Center are now using Gulf of America on its maps and in its advisories. The peak of the season is Sept. 10, with the most activity happening between mid-August and mid-October, according to the Hurricane Center. Systems currently being monitored by the National Hurricane Center include: We will update our tropical weather coverage daily. Download your local site's app to ensure you're always connected to the news. And look for our special subscription offers here. This article originally appeared on Palm Beach Post: Hurricane Center tracking system off Florida. See forecast, impacts
USA Today
27-05-2025
- Climate
- USA Today
Tropical Storm Alvin brewing in the eastern Pacific Ocean, hurricane forecasters say
Tropical Storm Alvin brewing in the eastern Pacific Ocean, hurricane forecasters say The National Hurricane Center gives the system a 90% chance of development. It could be the first named tropical cyclone anywhere in the Northern Hemisphere this year. Show Caption Hide Caption NOAA predicts at least three hurricanes this season NOAA predicts the three major hurricanes in the 2025 hurricane season. The tropics have awakened from their winter slumber, and Tropical Storm Alvin may soon be upon us. In the eastern Pacific Ocean near Central America, meteorologists say the atmosphere is becoming more favorable for tropical development. "Showers and thunderstorms are gradually becoming better organized near a broad area of low pressure located several hundred miles south of the coast of southern Mexico," the National Hurricane Center said in a Tropical Weather Outlook from May 27. "While the system currently lacks a well-defined circulation, environmental conditions are favorable for further development, and a tropical depression or tropical storm is expected to form during the next day or two as the low moves generally west-northwestward at around 10 mph," the hurricane center said. The center gives the system a 90% chance of development. Hello, Tropical Storm Alvin? If it becomes a named system, it would be called Alvin – the first named tropical cyclone anywhere in the Northern Hemisphere this year. As a refresher, a tropical depression becomes a named storm when its sustained wind speed reaches 39 mph. An early start to the season The average date for the first tropical storm of the eastern Pacific season is June 10, according to the National Hurricane Center. "If a storm forms soon, it would be well ahead of the historical pace – and much earlier than last year's first storm. In 2024, Aletta didn't form until July 4, marking the latest start to an eastern Pacific hurricane season in the satellite era," said AccuWeather meteorologist Alex Sosnowski. Below-average hurricane season expected in eastern Pacific The National Oceanic and Atmospheric Administration, in a seasonal hurricane forecast released May 22, said that a below-average eastern Pacific hurricane season is most likely. An average season sees 15 named storms. Eastern Pacific storms and hurricanes primarily stay out to sea and seldom affect the U.S. mainland, although some storms do hit the west coast of Mexico and remnant moisture from the storms can affect the U.S. Southwest. (This story has been updated to add new information.)
Yahoo
17-03-2025
- Climate
- Yahoo
National Hurricane Center monitoring system in Atlantic, first for 2025. Where, what to know
The National Hurricane Center is monitoring the first Atlantic disturbance for 2025. A non-tropical area of low pressure located about 700 miles northeast of the northern Leeward Islands is producing gale-force winds and a large area of disorganized showers and thunderstorms. A gale warning is in effect for the central Atlantic, with another expected to develop in the Western Atlantic by midweek. ➤ Weather alerts via text: Sign up to get updates about current storms and weather events by location Gale warnings are issued when 1-minute sustained surface winds ranging from 39 to 54 mph are predicted or occurring and not directly associated with tropical cyclones. Additional development of this low is not expected as it moves northward to northwestward into an environment of strong upper-level winds and dry air tonight and Tuesday, the hurricane center said. No additional updates are expected for this system unless conditions warrant it. The NHC will resume regularly scheduled tropical weather outlooks on May 15 and special tropical weather outlooks as necessary during the remainder of the off-season. The 2025 hurricane season starts June 1. A non-tropical area of low pressure located about 700 miles northeast of the northern Leeward Islands is producing gale-force winds and a large area of disorganized showers and thunderstorms. Additional development of this low is not expected as it moves northward to northwestward into an environment of strong upper-level winds and dry air tonight and Tuesday. Additional information on this system can be found in High Seas Forecasts issued by the National Weather Service. No additional Special Tropical Weather Outlooks are scheduled for this system unless conditions warrant. Regularly scheduled Tropical Weather Outlooks will resume on May 15, 2025, and Special Tropical Weather Outlooks will be issued as necessary during the remainder of the off-season. Formation chance through 48 hours: low…10 percent. Formation chance through 7 days: low…10 percent. No tropical cyclone activity is currently expected or monitored by the National Hurricane Center. The Atlantic hurricane season is from June 1 to Nov. 30 every year, with the most active part of the season between August and October. The peak of the season is Sept. 10, with the most activity happening between mid-August and mid-October, according to the National Hurricane Center. We will continue to update our tropical weather coverage daily. Download your local site's app to ensure you're always connected to the news. And look for our special subscription offers here. Contributing: Cheryl McCloud, USA TODAY Network-Florida This article originally appeared on Florida Times-Union: NOAA NHC tracking system in Atlantic. Gale warning issued
