This weakness is in stark contrast to the usual storm. The distinctive eye of the storm turned to Port Fortune in the far south of the state, focused on destroying buildings and scattering boats nearby.
But Ida didn't stop there. Rather than slowing north toward the major cities of New Orleans and Baton Rouge, Ida appears to be keeping it organized with distinct eyes and even small swirls circling the storm's center.
Calculate 4 elements. The swirls revolve around the outside of Aida's eye, which is less visible in the cloud. And the eye is now *completely on dry land*! I don't think I've seen this before with a storm on Earth. #GOES16 pic.twitter.com/34i1ovISZp
- Dan Lindsey (@DanLindsey77) August 29, 2021
Ida brought various kinds of destruction to Louisiana. The storm hit coastal areas and flooded Lake Pontchartrain near New Orleans. Heavy rain covered the low-lying areas of the state.
But perhaps the most damaging aspect of the storm for most Louisiana was the storm - it hit trees in thousands of homes and cut off electricity to more than one. Millions of customers have affected nearly half of the state and nearly all of Baton Rouge and New Orleans, and may cripple early recovery efforts.
That's because Ida's wind was still howling. More than two hours after landing, it's 2 p.m. At 4 p.m., the storm's maximum winds were still 130 miles per hour. At 10 p.m., more than 10 hours after landing, Aida continued to estimate a Category 2 storm at 105 miles per hour.Advertising
This slowdown contrasts starkly with the usual storm. According to a simple landslide model, a storm like Ida was expected to increase from 150 to 100 mph in four hours and to 70 mph in 10 hours. So why did Aida maintain her destructive intensity for so long?
Some of this is due to geography. The Louisiana coast consists mostly of swamps and swampy lands barely above sea level. Anyone who's ever driven Interstate Highway 10 knows Louisiana. The long bridge of the Atchafalaya Basin between Lafayette and Baton Rouge overlooks a seemingly endless swamp, and the area is located 50 miles inland. As Ida approached Louisiana, the storm pushed hot water out of the Gulf of Mexico. This allows the storm to continue to move in the "water," even as it travels dozens of miles into the state. The 'ocean brown effect', in which the latent heat of highly humid soil can mimic a humid ocean environment. Southern Louisiana swamps are ideal environments for this type of hidden heating. Due to its relatively slow movement, less than 10 miles per hour to the north, Ida spent several hours in a wetter environment.
Aida finally succumbed overnight to dry land and was weakened by a tropical storm on Monday morning. Today it should be weakening rapidly as it moves over the Mississippi. However, the low pressure system may remain in place until late Thursday, but it will allow the remnants of Ida to transform into an extraterrestrial storm after it appears in the Atlantic Ocean and rises to the northeast. Good rest.
Hurricane Ida hit Louisiana and then didn't really weaken. why?
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