Tropical Depression 5 (TD5) extended from Louisiana northeast into southwest Alabama. Infrared imagery indicated some strong thunderstorms over south central Louisiana and northwest Alabama.

on August 18 at 19:23 UTC (3:23 p.m. EDT). In the image showers and clouds stretched from Louisiana northeast into Tennessee. The clouds over Louisiana and southern Alabama were part of TD5. The clouds and showers in north central Alabama and Tennessee were generated by a shortwave trough (elongated area of low pressure) moving through Tennessee.

During the time of the AIRS image, the strongest thunderstorms and convection (rapidly rising air that forms thunderstorms) were located over south central Louisiana and north central Alabama. Both of those areas experienced heavy rainfall at that time yesterday.

On August 19 at 1:00 p.m. EDT, the lingering remnants of Tropical Depression 5, were over southern Mississippi. TD5’s remnants are forecast to drift slowly eastward today and bring numerous showers and thunderstorms to southwestern Alabama. The heavy rainfall has been producing flash flooding over Mississippi. Flooding is now possible today over southwestern Alabama because of the remnants slow motion.

Tropical Depression Five’s remnants continue to linger over Louisiana and Mississippi, and NASA satellite data continues to capture its cloud temperatures and extent. The slow moving remnants and an associated tropical air mass are expected to creep across the Louisiana and Mississippi and into Arkansas for the next couple of days.

Tropical Depression Five’s (TD5) remnants remain over the lower Mississippi valley today and are slowly drifting northeast. Yesterday, NASA satellite imagery observed the bulk of TD5’s precipitation just south of Louisiana, over the Gulf of Mexico. Today, August 18, that precipitation has moved north and is drenching east-central Louisiana and western Mississippi.

A flash flood watch was issued for today and this evening for much of central Mississippi and northeastern Louisiana due to the risk for very heavy rainfall associated with the remnants of tropical depression five. Two to three inches of rainfall and locally higher amounts of greater than five inches will be possible.

Tropical Depression 5 are now bringing heavy rains and local flooding to southeastern Louisiana, including New Orleans, and coastal Mississippi

The center of its circulation moved onshore between 3 a.m. and 4 a.m. CDT (4 a.m. and 5 a.m. EDT). Local National Weather Service radar showed that the circulation seemed to become better formed as it was making landfall early this morning with spiral rainbands around the east and west periphery of the center.
The image created at 11:32 UTC (7:32 a.m. EDT) showed Tropical Depression 5’s clouds as a circular shape over southeastern Louisiana and coastal Mississippi. Heavy rainfall and inland flooding. That’s what’s happening with southeastern Louisiana and coastal Mississippi today.

During the morning hours on August 12, the remnants of tropical depression number five were moving onshore in St. Bernard and Plaquemines parishes in southeast Louisiana. Because the remnants are forecast to move slowly, heavy rainfall is likely, with amounts from three inches to as much as five inches.

Tropical Storm Colin was downgraded to a tropical depression after only one day as a minimal tropical storm when upper level wind shear caused Colin’s demise.

The National Hurricane Center in Miami, Fla. issued its final warning on what was Tropical Storm Colin on August 3 at 2100 UTC (5 p.m. EDT). At that time, it was about 540 miles east of the Lesser Antilles near 15.8 North and 53.8 West. Colin’s winds had dropped to 34 mph. .

By 8 a.m. today, August 4, Colin had become a remnant low pressure area. The center of the remnant low was located about 150 miles east-northeast of the Leeward Islands, near 17.0 North and 57.0 West. Colin’s remnants continue to move west-northwestward at 20 to 25 mph. .

Although the National Hurricane Center noted that there’s a 10% chance that Colin could become a tropical storm again in the next 48 hours, it is still expected to bring heavy rains and gusty winds to the parts of the Leeward Islands and the Virgin Islands today and tonight. Upper level winds continue to batter the storm, preventing it from regenerating today.

Tropical depression Bonnie, now over Louisiana and western Mississippi. Bonnie’s remnants are producing scattered showers and thunderstorms today and tonight in those areas.

At 8:30 a.m. EDT (7:30 a.m. CDT) Bonnie’s remnants generated an area of showers and thunderstorms north of Lake Pontchartrain in eastern Louisiana and western Mississippi. One of the thunderstorms spawned a tornado warning for Wathall and Washington Counties in western Mississippi at that time.

Bonnie’s center is located inland south of New Orleans, Louisiana, and the bulk of the showers and thunderstorms associated with it are mainly to the west and north of the remnant low’s center.

The National Weather Service in New Orleans has issued a Coastal Flood Advisory in effect until 7 p.m. CDT this evening. The remnant low pressure formerly known as tropical depression Bonnie is moving inland across Louisiana today. Moderate to strong south to southeast winds near the coast will diminish today. Tides however will remain as much as two feet above normal over Hancock County Mississippi and the east facing coastal areas of southeast Louisiana.

Winds out of the southeast in the area of Bonnie are not because of the remnant low, but because of the high pressure area over the Gulf. Winds are expected to be light today, between 5 and 10 mph shifting to the south.

The National Weather Service forecast for New Orleans today, Sunday, July 25 includes showers and thunderstorms today and tonight with hot and humid conditions. The high is expected near 92, but the humidity will bring the heat index to 105 Fahrenheit today.

The National Hurricane Center noted that “Regeneration is not expected as the system moves northwestward at about 10 mph. There is a low chance…near 0 percent…of this system becoming a tropical cyclone during the next 48 hours.”