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In meteorology and climatology, a mesonet, portmanteau of mesoscale network, is a network of automated weather and, often also including environmental monitoring stations, designed to observe mesoscale meteorological phenomena and/or microclimates.
The Oklahoma Mesonet is a network of environmental monitoring stations designed to measure the environment at the size and duration of mesoscale weather events. The phrase " mesonet " is a portmanteau of the words mesoscale and network .
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.
This page documents all tornadoes confirmed by various weather forecast offices of the National Weather Service in the United States in January 2025. Tornado counts are considered preliminary until final publication in the database of the National Centers for Environmental Information. [1]
Early on January 21, a low pressure area was located in the western Gulf of Mexico, connected to a cold front.Fueled by an Arctic cold front moving through the southern United States, the low produced an area of snowfall, sleet, and freezing rain across the U.S. Gulf Coast from Texas to Florida.
57: 1984 Carolinas tornado outbreak – Twenty-four tornadoes were confirmed; seven were rated F4. In addition to the 57 tornadic deaths, 1,249 people were injured. This was and remained the deadliest official High Risk day (since SELS/SPC High Risk outlooks began) for over 27 years, surpassed by the Super Outbreak of April 27, 2011.
The tornado left the neighborhoods, passing by a mesonet station to the south and east; the station recorded a gust of 53 mph (85 km/h) and a pressure drop. The tornado crossed D2855 Rd, weakening to low-end EF2 intensity, destroying a barn and uprooting multiple trees before it crossed the Washita River. [10]
Scientists and technicians from NSSL and the University of Oklahoma built their first Mobile Mesonet (MM) vehicles, a.k.a. “probes,” in 1992. [7] Probes are modified minivans with a suite of weather instruments mounted atop a roof rack and a complex of computer and communication equipment inside.