User:Hoguert/sandbox
Top to Bottom: The photo of the Stovepipe tornado taken by Chris Calvert; Severe damage caused by the tornado near Shawnee | |
| Meteorological history | |
|---|---|
| Formed | May 19, 2013, 6:00 am. CDT (UTC−05:00) |
| Dissipated | May 19, 2013, 6:50 am. CDT (UTC−05:00) |
| Duration | 50 minutes |
| EF4 tornado | |
| on the Enhanced Fujita scale | |
| Highest winds | 190 mph (310 km/h) |
| Overall effects | |
| Fatalities | 2 |
| Injuries | 10 |
| Areas affected | Lake Thunderbird, Shawnee |
Part of the tornadoes of 2013 | |
The 2013 Lake Thunderbird–Shawnee tornado was a powerful and large high-end EF4 tornado that struck the rural parts of Lake Thunderbird, Dale, and the city of Shawnee, Oklahoma, causing two fatalities and injuring ten people along its 23 mi (37 km). The tornado was a part of the Tornado outbreak of May 18-21, 2013, which produced 78 tornadoes, and was the second violent tornado of the outbreak and the fourth violent tornado of the 2013 tornado season. The tornado had a peak width of 1,500 yd (1,400 m) and had an estimated wind speed up to 190 mph (310 km/h), becoming the second strongest tornado of the outbreak.[1] This tornado became largely forgotten due to the extremely violent EF5 tornado that struck Moore on the next day.
Meteorological background
[edit]On May 19, the trough moved only slightly eastward, with many of the same areas impacted on May 18 being threatened again. During the day, two areas of low pressure developed along the trough: one over the north-central plains and the other over Oklahoma. A large plume of steep mid-level lapse rates accompanied by deep moisture (with dew points in some areas exceeding 70 °F (21 °C)) spread across much of the central and southern plains into the Mississippi River Valley. Thunderstorms in these areas were expected to develop early, though not be particularly widespread or damaging. The most intense storms were anticipated over the southern Missouri River Valley where strong daytime heating and "aggressive destabilization" would take place. Additionally, a diurnally strong jet and strong wind shear favored the development of long-lived supercells capable of producing large hail and tornadoes, some potentially violent. Activity was expected to become associated with a squall line by the evening as the cold front moved slowly eastward. In light of that, the SPC issued a moderate risk of severe thunderstorms for south-central Oklahoma, eastern Kansas, western Missouri, and extreme southeastern Nebraska.[2]
By the afternoon hours, rapid destabilization of the boundary layer began across eastern Kansas, prompting a tornado watch for the area.[3] Further south in Oklahoma, a rapidly mixing dry line accompanied by a deepening surface low moved eastward into an area with deep moisture. Though leftover outflow boundaries from the previous day's storms and capping limited initial convective activity, strong daytime heating would soon allow storms to break the cap.[4] A tornado watch was issued for the central third of Oklahoma at 2:15 p.m. CDT (1915 UTC), with the SPC noting the risk for potentially long-lived supercells and a few strong tornadoes.[5] By 4:30 p.m. CDT (2130 UTC), the risk for significant tornadoes markedly increased over central Oklahoma, especially around the Oklahoma City metropolitan area. Maximized pressure falls ahead of the dry line allowed several storms to acquire intense updrafts and develop into rotating supercells within the state. Very strong low-level mesocyclones were expected to develop with these storms, with several tornadoes touching down.[6]
Tornado track
[edit]Aftermath
[edit]See also
[edit]References
[edit]- ^ US Department of Commerce, NOAA. "The Tornado Outbreak of May 19, 2013". www.weather.gov. Retrieved 2024-09-07.
- ^ Jared L. Guyer & Patrick Marsh (May 19, 2013). "May 19, 2013 0600 UTC Day 1 Convective Outlook". Storm Prediction Center. National Oceanic and Atmospheric Administration. Retrieved May 22, 2013.
- ^ Brynn Kerr (May 19, 2013). "Tornado Watch 181". Storm Prediction Center. National Oceanic and Atmospheric Administration. Archived from the original on April 3, 2003. Retrieved May 23, 2013.
- ^ Jaret W. Rogers & Brynn Kerr (May 19, 2013). "Mesoscale Discussion 698". Storm Prediction Center. National Oceanic and Atmospheric Administration. Archived from the original on April 2, 2003. Retrieved May 23, 2013.
- ^ Brynn Kerr (May 19, 2013). "Tornado Watch 182". Storm Prediction Center. National Oceanic and Atmospheric Administration. Archived from the original on May 3, 2002. Retrieved May 23, 2013.
- ^ Bryan T. Smith (May 19, 2013). "Mesoscale Discussion 703". Storm Prediction Center. National Oceanic and Atmospheric Administration. Archived from the original on August 19, 2004. Retrieved May 23, 2013.