At 5:33 p.m. CDT (2233 UTC), the National Weather Service Weather Forecast Office in Norman, Oklahoma issued a tornado warning for Canadian County, prompted by increasingly strong tornadic circulation exhibited in the southernmost supercell of this complex. Several large steel-frame warehouse type buildings were destroyed at that location. Surveys from the National Weather Service revealed that structures in its path sustained EF3-level damage at most. While the wind measurements from the mobile radars are considered reliable, NWS policy for determining EF-ratings is based on surveys of ground damage. He snapped a picture of the tornado from his cellular phone before it struck him. [42] In association with the project, software was unveiled in 2015 allowing for the synchronization of maps, radar data, and storm chasers' footage of the storm. [6] The tornado ultimately attained EF3 intensity during its existence, according to ground surveys. [23][24] The main funnel is believed to have had radar-estimated EF4 winds, with wind speeds around 185 mph (298 km/h). [47][49], On June 1, the American Red Cross set up a shelter at the Redlands Community College in El Reno for victims of the storm. [4] Overall, the tornado was responsible for eight fatalities and 151 injuries. "2011 El Reno tornado" redirects here. [5] Due to the ferocity and sheer size, as well as its irregular movement and the deaths linked with this tornado, it has become one of the most studied and infamous tornadoes ever. Using GPS transponders over Spotter Network, they aligned themselves to spell out the initials of the three men in North Dakota, South Dakota and Nebraska for many hours. [2] Although the tornado remained over mostly open terrain, dozens of storm chasers unaware of its immense size and erratic movement were caught off-guard. Keli Pirtle, a Public Affairs worker at the National Oceanic and Atmospheric Administration, stated that, "despite the radar-measured wind speeds, the survey team did not find damage that would support a rating higher than EF3. Deep layer wind shear speeds of 45–55 kn (52–63 mph) would enhance storm organization and intensity. The Tornado touched down first at 3:00 p.m. Central Daylight Time (CDT) in Grady County, Oklahoma, roughly 1,1 miles (1,9 km) south-southwest of Chickasha, Oklahoma, in the span of few minutes the tornado monstrously intensified into a powerful EF5 Tornado and Struck The City of Amber, the monstrous tornado continued its intensification and struck Bridge-Creek, then the tornado fluctuated between the EF4-EF5 intensity while the twister moves into Cleveland Country Impacting Newcastle and Moore, totally devastating the city, then the Tornado directly tore through Oklahoma City Metro at Peak Intensity with winds of 500 mph, the tornado curved towards Bethany and continued it's rampage, at minor intensity but still in the EF5 Radius, the tornado grew to a width of 3.5 Miles (5,6 km) becoming the widest tornado ever breaking the 2013 El Reno Tornado as it barrels right straight towards El Reno, regaining his peak intensity of 500 mph as it tears through the city, totally destroying it. The two most intense vortices occurred north and east of the intersection of 10th Street and Radio Road, about 3 miles (4.8 km) southeast of El Reno. His sport utility vehicle was severely damaged, having been thrown about 200 yards (180 m); the driver was left with a broken neck, fractured vertebrae, and several broken ribs while Bettes and the other passenger sustained minor injuries. At least 29 buildings and 40 vehicles were damaged or destroyed by the tornado, with repairs in the El Reno area expected to take at least a year. These locations are typically much safer than an automobile in tornadic winds. [8] These factors, along with CAPE values in excess of 4000 J/kg and an embedded speed maxima rotating around the southern periphery of the low, made the threat of significant severe thunderstorms increasingly likely. Upon crossing Interstate 40, the tornado dissipated around 6:43 p.m. CDT (2343 UTC), after tracking for 16.2 miles (26.1 km), it avoided affecting the more densely populated areas near and within the Oklahoma City metropolitan area. [54][55] Overall, 151 injuries were attributed to the tornado. The tornado killed four storm chasers, the first known deaths in the history of storm chasing. Rather, these rotating curtains of rain were the outer circulation of the tornado itself. [13], At 6:03 p.m. CDT (2303 UTC), a large tornadic wall cloud formed and touched down, initially in the form of several smaller sub-vortices,[14] 8.3 miles (13.4 km) west-southwest of El Reno. With a broad influence of moderately strong cyclonic flow aloft, the air mass was expected to become unstable across much of the southern Great Plains, through the Upper Midwest and Mississippi Valley, by the afternoon. El Reno is a city in and county seat of Canadian County, Oklahoma, United States. The University of Oklahoma's RaXPol mobile Doppler weather radar, positioned at a nearby overpass, measured winds preliminarily analyzed as in excess of 296 mph (476 km/h). They were the first known tornado-related deaths of either recreational storm chasers or scientific researchers. Paul Samaras and Young were ejected from their Chevrolet Cobalt by the storm's sub-vortex, while Tim was still buckled in the passenger's seat. The agency utilizes the Enhanced Fujita Scale to rate and assess tornado intensity based on the damage left behind. El Reno Tornado May 31, 2013 Image by Mike Bettes of The Weather Channel. [3] Other chasers, including Mike Bettes of The Weather Channel and Reed Timmer, were either injured or had their vehicles damaged. The degree of wind shear, moisture and instability within the warm sector favored the development of discrete supercells. He escaped a few hundred meters ahead of the TWISTEX crew and is believed to be the last person to see Samaras, his son Paul and Young. [43], Since the tornado remained over mostly open terrain, damage was relatively light – although still significant in isolated locations – in comparison to its extreme intensity. [18], The intensity of the tornado has been a subject of internal debate within the National Oceanic and Atmospheric Administration. [8], At 3:30 p.m. Central Daylight Time (CDT) early that afternoon, the SPC issued a Particularly Dangerous Situation Tornado Watch from southwestern through northeastern Oklahoma, surrounding the Interstate 44 corridor. Each container was fitted with a kitchen, bedroom, living room, and bathroom. An Extreme disaster declaration was signed by President Donald J. Trump on the same day allowing the state to receive federal and international aid. A Doppler on Wheels-based analysis of how the tornado impacted these teams revealed that they were hit by an intense internal sub-vortex. A brief but violent tornado tore a two-mile path through the outskirts of the Oklahoma City suburb of El Reno, demolishing much of the American Budget Value … Everybody was running for their lives. The tool was named "Tornado Environment Display" (TED) after Dr. Ted Fujita. This prompted the National Weather Service office in Norman to issue a tornado emergency for Yukon, Richland, Wiley Post Airport, Bethany, The Village, and eastern El Reno, as the tornado was projected to track toward western portions of the Oklahoma City metropolitan area. Smith also stated that it was fortunate the tornado did not track into more densely populated areas, particularly those within the Oklahoma City metropolitan area, "this would have been … I don't even want to imagine what it would have been.
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