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A weather map consisting of a station model plot of Oklahoma Mesonet data overlaid with WSR-88D weather radar data depicting possible horizontal convective rolls as a potential contributing factor in the incipient 3 May 1999 tornado outbreak A mobile mesonet also documented tornadic supercells and their immediate environments during this event.
MesoWest. MesoWest is a cooperative project to observe and archive mesoscale weather observations across the United States. Their observations include but are not limited to temperature, humidity, wind speed, wind direction, and precipitation. Their data is also known to be central for climate records, such as for monitoring microclimates.
Since its initial usage in May 1999, the National Weather Service (NWS) in the United States has used the tornado emergency bulletin, an unofficial, 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 ...
The National Weather Service issued a Red Flag warning—indicating dangerously dry and windy weather—until 9 p.m. Sunday for Oklahoma and the Texas Panhandle.
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.
Doppler on Wheels. DOW 7 on display at the USA Science and Engineering Festival in 2010. Doppler on Wheels (or DOW) is a fleet of X-band and C-band mobile and quickly-deployable truck-borne radars which are the core instrumentation of the Flexible Array of Radars and Mesonets [1] affiliated with the University of Illinois [2] and led by Joshua ...
The SPC issued a level 4/Moderate risk of severe weather for this region on the afternoon of November 4. Water vapor imagery the morning of the event depicted a large upper-level trough moving across New Mexico, with accompanied mid-level winds upwards of 80–90 kn (90–105 mph; 150–165 km/h) entering Western Texas. At the surface, the ...
The 2011 El Reno–Piedmont tornado was a long-tracked and deadly EF5 tornado that struck central Oklahoma on the evening of May 24, 2011. The tornado impacted areas near or within the communities of El Reno, Piedmont, and Guthrie, killing nine and injuring 181. After producing incredible damage in several locations along a path of more than 60 ...