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The distinguishing features that classify a network of weather stations as a mesonet are station density and temporal resolution with sufficiently robust station quality. Depending upon the phenomena meant to be observed, mesonet stations use a spatial spacing of 1 to 40 kilometres (0.6 to 20 mi) [6] and report conditions every 1 to 15 minutes.
The TWISTEX crew and the vehicles on equipped with mobile mesonets. TWISTEX (a backronym for Tactical Weather-Instrumented Sampling in/near Tornadoes Experiment) was a tornado research experiment that was founded and led by Tim Samaras of Bennett, Colorado, US, that ended in the deaths of three researchers in the 2013 El Reno tornado.
A modified atmospheric profile near Hesston, Kansas, indicated convective available potential energy around 3,200 J/kg already in place at 12:00 UTC. [2] In general, weather researchers remarked that the overarching pattern on March 13, 1990, was a synoptically evident pattern reminiscent of past tornado outbreaks. [ 2 ]
Since its initial usage in May 1999, the National Weather Service (NWS) in the United States has used the tornado emergency bulletin — a high-end classification of tornado warning — sent through either the issuance of a warning or via a "severe weather statement" that provides updated information on an ongoing warning—that is issued when a violent tornado (confirmed by radar or ground ...
To prevent losses, Kansas State University in June updated an online weather tool, Kansas Mesonet, to use National Weather Service forecasts to predict comfort levels for cattle a week ahead of time.
A few tornadoes touched down that day in Kansas and Nebraska, including an EF4 tornado near Rozel, Kansas. Maintaining its slow eastward movement, the system produced another round of severe weather nearby. Activity significantly increased on May 19, with tornadoes confirmed in Oklahoma, Kansas, Iowa, Missouri, and Illinois.
From April 26 to 27, 1991, multiple supercells across Oklahoma and Kansas led to a regional tornado outbreak.Forced by a potent trough and focused along a dryline, these distinct thunderstorms moved northeast through a moist and highly unstable environment.
On the evening of May 4, 2007, amid a tornado outbreak, a large and devastating EF5 tornado moved through the town of Greensburg, located in southern Kansas.The tornado, known as the Greensburg tornado, Greensburg, or GT in later studies, tracked 28.8 miles (46.3 km) through the area, killing eleven and injuring sixty-three others.