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The Hurricane Rita tornado outbreak was a significant tropical cyclone-produced tornado outbreak and severe weather event that resulted from the remnants of Hurricane Rita in late-September 2005. The event was the fourth-largest tornado outbreak caused by a tropical cyclone in recorded history. After the hurricane made landfall (meteorology), landfall on the extreme southwestern coast of Louisiana on September 24, the tropical cyclone's strong rainbands affected much of the West South Central States, West South Central and East South Central States, producing heavy rainfall in addition to numerous tornadoes. Tornadic activity was distributed roughly evenly from September 24–25, though activity shifted slightly eastward on September 25. The severe activity ended by September 26, by which time the remnants of Hurricane Rita were absorbed by a weather front, frontal boundary.
As a result of Hurricane Rita, 98 tornadoes were confirmed over nearly a two-day period. Most of the tornadoes occurred in Mississippi, where 49 tornadoes were confirmed. With forty-four tornadoes in a single day, this is tied for the largest tornado outbreak in state history in a single day.April 18 Mississippi tornado count now at 44, ties record
WREG, April 19, 2019 The strongest tornado throughout the outbreak was an F3 tornado which struck areas of southeastern Louisiana late on September 24, injuring three people. Despite the large number of tornadoes, only one death resulted, which occurred as a result of an F1 tornado in Mississippi on September 24. However, another F1 tornado near Starkville, Mississippi injured seven people on September 25 making it the tornado with the most injuries during the outbreak. The same tornado was also the costliest, causing $2 million in damages. Overall, tornadoes during the outbreak killed one person and injured 23, and caused $18.373 million in damages.
Hurricane Rita developed from a tropical wave north of Hispaniola on September 18. Tracking westward, the disturbance quickly intensified to tropical storm intensity later that day before panning out in intensification due to increased wind shear. However, Rita moved into favorable conditions in the Straits of Florida, allowing it to strengthen into hurricane strength on September 20 and further to Category 2 hurricane intensity six hours after. The abundance of abnormally warm sea surface temperatures and a favorable outflow (meteorology), outflow pattern allowed for continued rapid deepening, rapid intensification. By the time Rita emerged into the Gulf of Mexico, it was already a major hurricane. Intensification was further aided by the warm waters of the Loop Current, and as a result, Rita reached List of Atlantic Category 5 hurricanes, Category 5 hurricane intensity on September 21, the highest rating classified on the Saffir–Simpson hurricane wind scale. At 0300 Coordinated Universal Time, UTC on September 22, Rita reached its peak intensity with maximum sustained winds of 180 mph (285 km/h) and a minimum barometric pressure of 895 bar (unit), mbar (pascal (unit), hPa; 26.43 inches of mercury, inHg), making it the strongest tropical cyclone recorded in the Gulf of Mexico, as well as the fourth-strongest tropical cyclone recorded in the entirety of the Atlantic hurricane, Atlantic basin.
Rita maintained peak intensity for 18 hours before an eyewall replacement cycle took place on September 22, causing the hurricane to weaken. At the same time, the initially westward moving storm began to curve northwestward. Although the cycle eventually completed, the movement of Rita over cooler continental shelf waters caused it to continue weakening. Rita weakened down to Category 3 intensity before making landfall (meteorology), landfall in extreme southwestern Louisiana at 0740 UTC on September 24. At the time, the major hurricane had winds of 120 mph and a minimum barometric pressure of 937 mbar (hPa; 27.67 inHg). Once inland, Rita began to rapidly weaken as a result of increasing vertical wind shear. The hurricane was downgraded to tropical storm intensity roughly 12 hours after landfall. Moving in a general northward motion, Rita degenerated into a tropical depression over southwestern Arkansas the following day based on weather radar. The depression continued to weaken before it transitioned into a remnant low shortly before being absorbed by a cold front on September 26 over Illinois.
WREG, April 19, 2019 The strongest tornado throughout the outbreak was an F3 tornado which struck areas of southeastern Louisiana late on September 24, injuring three people. Despite the large number of tornadoes, only one death resulted, which occurred as a result of an F1 tornado in Mississippi on September 24. However, another F1 tornado near Starkville, Mississippi injured seven people on September 25 making it the tornado with the most injuries during the outbreak. The same tornado was also the costliest, causing $2 million in damages. Overall, tornadoes during the outbreak killed one person and injured 23, and caused $18.373 million in damages.
Background
Hurricane Rita developed from a tropical wave north of Hispaniola on September 18. Tracking westward, the disturbance quickly intensified to tropical storm intensity later that day before panning out in intensification due to increased wind shear. However, Rita moved into favorable conditions in the Straits of Florida, allowing it to strengthen into hurricane strength on September 20 and further to Category 2 hurricane intensity six hours after. The abundance of abnormally warm sea surface temperatures and a favorable outflow (meteorology), outflow pattern allowed for continued rapid deepening, rapid intensification. By the time Rita emerged into the Gulf of Mexico, it was already a major hurricane. Intensification was further aided by the warm waters of the Loop Current, and as a result, Rita reached List of Atlantic Category 5 hurricanes, Category 5 hurricane intensity on September 21, the highest rating classified on the Saffir–Simpson hurricane wind scale. At 0300 Coordinated Universal Time, UTC on September 22, Rita reached its peak intensity with maximum sustained winds of 180 mph (285 km/h) and a minimum barometric pressure of 895 bar (unit), mbar (pascal (unit), hPa; 26.43 inches of mercury, inHg), making it the strongest tropical cyclone recorded in the Gulf of Mexico, as well as the fourth-strongest tropical cyclone recorded in the entirety of the Atlantic hurricane, Atlantic basin.
Rita maintained peak intensity for 18 hours before an eyewall replacement cycle took place on September 22, causing the hurricane to weaken. At the same time, the initially westward moving storm began to curve northwestward. Although the cycle eventually completed, the movement of Rita over cooler continental shelf waters caused it to continue weakening. Rita weakened down to Category 3 intensity before making landfall (meteorology), landfall in extreme southwestern Louisiana at 0740 UTC on September 24. At the time, the major hurricane had winds of 120 mph and a minimum barometric pressure of 937 mbar (hPa; 27.67 inHg). Once inland, Rita began to rapidly weaken as a result of increasing vertical wind shear. The hurricane was downgraded to tropical storm intensity roughly 12 hours after landfall. Moving in a general northward motion, Rita degenerated into a tropical depression over southwestern Arkansas the following day based on weather radar. The depression continued to weaken before it transitioned into a remnant low shortly before being absorbed by a cold front on September 26 over Illinois.
Event summary
September 24
The first indications that a potentially severe and tornadic event would result from Hurricane Rita were on September 22, when models showed that an area of wind shear located over East Texas would be favorable for tornadoes to develop from the hurricane's rainbands. The Storm Prediction Center (SPC) posted a slight risk for severe weather for the region in their Day 3 Severe Thunderstorm Outlook issued at 0738 UTC on September 22. The slight risk area was expanded to include areas of Louisiana and Mississippi the following day, as the SPC noted the possibility of tornadoes forming within small supercells embedded within Rita's rainbands. During the first day of the tornado outbreak, the slight risk region was further expanded to account for Rita's expanding wind field. *List below is currently incompleteSeptember 25
*List below is currently incompleteSeptember 26
*List below is currently incompleteSee also
*List of tornadoes spawned by tropical cyclones *Hurricane Katrina tornado outbreak *Hurricane Ivan tornado outbreakNotes
References
External links
* {{2005 tornado outbreaks Hurricane Rita Tornadoes of 2005 Tornadoes in the United States 2005 natural disasters in the United States F3 tornadoes Tornadoes in Alabama Tornadoes in Arkansas Tornadoes in Louisiana Tornadoes in Mississippi September 2005 events in North America Tropical cyclones in 2005, Rita tornado outbreak