Tornado outbreak of April 25–28, 2024

Last updated

April 25

On the morning of April 25, the SPC predicted an enhanced risk of severe weather for parts of Kansas, Oklahoma, and Texas, highlighting the risk of tornadoes and large hail in connection with storms developing along a dry line between the Texas Panhandle and northwestern Kansas. [27] This risk was later narrowed to two focal areas: one in northwestern Kansas associated with supercells during the afternoon and evening, and a second near the Red River, associated with an forecast cluster of storms during the overnight hours. [28] During the afternoon, numerous thunderstorms developed near the dry line in eastern Colorado and near a low-pressure area in northeastern Colorado, southwestern Nebraska, and northwestern Kansas. [29] These storms weakened during the evening upon moving northeastward into areas with less atmospheric instability, [30] with the threat for tornadoes diminishing overnight. [31] The SPC received six tornado reports from April 25 from states affected by these storms; five EFU tornadoes were confirmed. [32]

April 26

Supercells moving through eastern Nebraska and western Iowa on April 26 National Weather Service Omaha, Nebraska radar gif April 26, 2024 tornado outbreak.gif
Supercells moving through eastern Nebraska and western Iowa on April 26

Another cluster of thunderstorms developed in the Permian Basin of Texas in the early overnight hours into April 26, [33] becoming and maintaining severe characteristics as they tracked northeast into the Red River Valley. [34] This cluster eventually organized into a quasi-linear convective system over southern Oklahoma, potentially producing at least one tornado. [35] [36] The SPC received three reports of tornadoes from Oklahoma during the early morning hours of April 26; [32] seven weak tornadoes were later confirmed in the state. [37]

An EF3 tornado near Lincoln, Nebraska Lincoln, NE EF3 tornado.jpg
An EF3 tornado near Lincoln, Nebraska

More significant severe weather was expected to occur later on in the day. The event was first forecasted to occur on April 20, when a 15% risk area was issued across much of the south-central United States by the Storm Prediction Center for April 26. [38] By April 23, the 15% area had been expanded tremendously, covering areas from the eastern Great Plains into the mid-Mississippi Valley. [39] On April 24, the 15% risk area transitioned into slight risk area that covered the same area with all severe weather hazards expected. [40] With an enhanced risk of severe weather in place, the Storm Prediction issued a tornado watch for eastern Oklahoma on the morning of April 26. [41] Several hours later, on the afternoon of April 26, another tornado watch was implemented for northeastern Nebraska, which included the possibility for "a couple of intense tornadoes." [42] At 3:41 p.m. CDT, a tornado emergency was issued for West Elkhorn as a large and destructive tornado moved through the area. [6] Some homes were completely leveled and many more structures suffered significant damage. [43] Another storm produced a large tornado near Harlan, Iowa, causing widespread destruction. A Doppler on Wheels (DOW) mobile radar truck measured 1-second wind speeds of approximately 224 mph (360 km/h) at a height of ~282 yards (258 m) with the Harlan storm. [44] [45]

April 27–28

Significant damage to homes in southwest Ardmore, Oklahoma after a high-end EF2 tornado impacted the area. 2024 Ardmore Tornado Damage Wide 05.png
Significant damage to homes in southwest Ardmore, Oklahoma after a high-end EF2 tornado impacted the area.

In the morning hours of April 27, the Storm Prediction Center issued a moderate risk (level 4) for central Oklahoma, north-central Texas, extreme southwestern Missouri, and southeastern Kansas. The moderate risk included a significant 15% tornado risk, a significant 30% wind risk, and a significant 45% hail risk. [46] Multiple supercells formed that afternoon in northern Texas, western Oklahoma, southeastern Kansas, and northwestern Missouri. A 'particularly dangerous situation' (PDS) tornado watch was issued for western Oklahoma and northern Texas, warning of elevated probabilities for several tornadoes, some of which could be intense. [47]

As the day went on, multiple tornadoes touched down, including a large tornado that passed near the town of Knox City, and another near Burkburnett, both in Texas. Numerous PDS tornado warnings were issued for large tornadoes near Cedar Vale, Kansas, as well as Newkirk, Oklahoma. However, much of the western part of the risk area remained storm free for much of the day. As the day went on, supercells in the center of the main risk area waned, and a more linear mode developed. [48] The 00:00 UTC upper-air sounding from Norman, Oklahoma, depicted very strong shear, with storm-relative helicity in the 0–3 kilometer layer of 400 m2/s2 and mixed-layer CAPE of around 2300 J/kg. [49] As the lower-level jet further increased, 0-1km SRH was observed at 600 m2/s2. [50] Over the course of the successive hours, new tornadic supercells developed ahead of the main squall line and produced multiple large and intense tornadoes in southern and eastern Oklahoma. These tornadoes caused significant damage and prompted PDS tornado warnings for the towns of Ardmore, Holdenville, Marietta, Okemah and Sulphur. [51] A total of 23 PDS tornado warnings were issued as the intense storms caused damage. [52]

Confirmed tornadoes

Tornado outbreak of April 25–28, 2024
Tornado outbreak sequence of April 25-28, 2024.png
Map of tornado warnings and confirmed tornadoes from the outbreak
Confirmed tornadoes by Enhanced Fujita rating
EFUEF0EF1EF2EF3EF4EF5Total
31416516810162

Elkhorn–Bennington–Blair, Nebraska/Modale, Iowa

  1. A Doppler on Wheels measured this wind speed from the tornado 282 yards (258 m) above the surface. [1]

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<span class="mw-page-title-main">Tornado outbreak of January 12, 2023</span> Tornado outbreak in the Southern US

An early-season tornado outbreak impacted the Southeastern United States on January 12, 2023. The result of a mid-level trough moving through, moisture and the presence of a strong low-level jet aided in the development of numerous severe and tornadic thunderstorms. Early in the outbreak, a strong EF2 tornado caused considerable damage in Winston County, Alabama, while another EF2 tornado struck just south of Greensboro. A destructive high-end EF2 tornado struck Selma, causing widespread damage and two injuries. The same storm produced a long-lived EF3 tornado that moved through or near Old Kingston, Titus, Equality, and Lake Martin, resulting in seven fatalities and several injuries in Autauga County alone. Another EF2 tornado from the storm struck areas in or around Five Points and Standing Rock before crossing into Georgia. After the dissipation of that tornado, nine more tornadoes, five of which were strong, caused heavy damage across west-central Georgia, especially in LaGrange, Griffin, and Experiment, the second one of which was impacted by four tornadoes in the span of 10 minutes, including two that were rated EF2 and EF3 respectively. Another EF2 tornado from the storm caused major damage and another fatality in the Jackson Lake area as well; an indirect death from the tornado also occurred the following day. Elsewhere, other tornadoes caused damage in Sumter and Mobile counties in Alabama, as well as parts of Mississippi, Tennessee, Kentucky, Illinois, and the Carolinas. In all, 43 tornadoes were confirmed.

<span class="mw-page-title-main">Tornado outbreak of March 24–27, 2023</span> 2023 severe weather outbreak in the Southern U.S

On March 24, 2023, a severe weather and tornado outbreak began across portions of the lower Mississippi River Valley in the United States. A slow-moving trough moved eastward across the United States and interacted with a moist and unstable airmass originating from the Gulf of Mexico, resulting in widespread heavy rainfall, severe thunderstorms, and significant tornadoes over a four-day period. A violent high-end EF4 tornado moved through the towns of Rolling Fork, Midnight, and Silver City in western Mississippi, causing catastrophic damage and many fatalities. Multiple tornado emergencies were issued for that tornado and two subsequent EF3 tornadoes from the same supercell that struck Winona and Amory.

<span class="mw-page-title-main">2024 Greenfield tornado</span> 2024 EF4 tornado in southwestern Iowa

Throughout the afternoon hours of May 21, 2024, a large and destructive tornado struck the cities and communities of Villisca, Nodaway, Brooks, Corning, and Greenfield in southwestern Iowa, killing 5 people and injuring 35 others. The tornado was the strongest of the tornado outbreak sequence of May 19–27, 2024. The tornado reached peak intensity in the city of Greenfield, leading the National Weather Service in Des Moines, Iowa to assign a rating of mid-range EF4 on the Enhanced Fujita scale, with maximum wind speeds estimated at 185 mph (298 km/h).

<span class="mw-page-title-main">Tornado outbreak of March 13–15, 2024</span> Early-season tornado outbreak in Southern United States

A significant early spring tornado outbreak occurred throughout the Midwestern and Northeastern United States, with the most significant impacts occurring in Indiana and Ohio. More than two dozen tornadoes occurred, eight of them strong to intense. National Weather Service offices issued multiple 'Particularly Dangerous Situation' tornado warnings. Strong tornadoes produced major damage in the communities of Selma and Winchester in Indiana, and Fryburg and Lakeview in Ohio. One person died in Winchester, and three people were killed in Lakeview. Other significant tornadoes caused damage in Kansas, Arkansas, and Kentucky, with scattered weak tornadoes confirmed in several other states.

<span class="mw-page-title-main">Tornado outbreak of May 6–10, 2024</span> Tornado outbreak in 2024

A large, major, and deadly tornado outbreak occurred across the Central and Southern United States from May 6–10, 2024, as a result of a slow-moving trough that was moving across the country. The Storm Prediction Center (SPC) issued a tornado-driven high risk convective outlook for portions of central Oklahoma and extreme southern Kansas early on May 6. Millions of people were put under a particularly dangerous situation (PDS) tornado watch later that evening, as many tornadoes were reported across the region, particularly in Oklahoma, where a violent EF4 tornado struck the towns of Barnsdall and Bartlesville, Oklahoma. Severe and tornadic weather spread eastward over the Mississippi, Ohio, and Tennessee Valleys over the next two days, with a nocturnal outbreak occurring in the latter on May 8, as tornadic supercell thunderstorms produced many tornadoes across the states of Tennessee, northern Alabama and western Georgia. The system responsible for the outbreak finally moved offshore by May 10 after producing several more tornadoes across the Southeast, including 2 EF2 tornadoes and hurricane-strength straight-line winds that moved through Tallahassee. This large outbreak came less than two weeks after a similarly large and deadly outbreak occurred across most of the same regions.

<span class="mw-page-title-main">Tornado outbreak sequence of May 19–27, 2024</span> Tornado outbreak sequence in the United States

A multi-day period of significant tornado activity along with significant derechos occurred across the Midwestern United States and the Mississippi Valley as well as an additional tornado in the Canadian province of Quebec. From May 19–27, 2024, two derechos occurred and tornadoes were reported across large portions of the Central United States, with multiple Particularly Dangerous Situation (PDS) watches issued across the sequence. On May 19, strong tornadoes occurred with isolated supercells in Colorado and Oklahoma while a derecho produced widespread wind damage and weak tornadoes across Kansas into the early morning hours of May 20. Limited tornadic activity took place on May 20, but another outbreak along with widespread damage struck mainly Iowa and Wisconsin on May 21. Five fatalities were confirmed with a large, violent, long-tracked EF4 tornado that went through Greenfield, Iowa. Scattered to widespread severe weather and tornadoes occurred over the next two days, including an EF2 tornado that injured 30 people on the west side of Temple, Texas. Another derecho formed in southwestern Nebraska late on May 23 and moved eastward, producing widespread wind damage and weak tornadoes through Nebraska and Iowa and northwestern Illinois before withering away in the northern part of the state during the morning hours of May 24.

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