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WSR-74. WSR-74C radar from Central Illinois WFO. WSR-74 radars were W eather S urveillance R adars designed in 1974 for the National Weather Service. They were added to the existing network of the WSR-57 model to improve forecasts and severe weather warnings. Some have been sold to other countries like Australia, Greece, and Pakistan.
A hurricane local statement (HLS) [1] is a weather statement produced for the public by the local Weather Forecast Offices of the National Weather Service in the U.S. for areas affected or forecast to be affected by a tropical storm or hurricane that provides an overview of the storm's local effects, including expected weather conditions, evacuation decisions made by local officials, and ...
College of DuPage is a public community college with its main campus in Glen Ellyn, Illinois. [3] The college also owns and operates satellite campuses in Addison, Carol Stream, Naperville and Westmont. [4][5] With more than 20,000 students, the College of DuPage is the second largest provider of undergraduate education in Illinois, after ...
Part of the Weather of 2024. Starting on the evening of July 13 and extending through July 16, 2024, an intense sequence of severe weather outbreaks affected much of the Midwestern and Northeastern United States. This included two significant derechoes that each had wind gusts exceeding 100 mph (160 km/h), as well as multiple tornado outbreaks ...
Lemon technique. The Lemon technique is a method used by meteorologists using weather radar to determine the relative strength of thunderstorm cells in a vertically sheared environment. It is named for Leslie R. Lemon, the co-creator of the current conceptual model of a supercell. [1] The Lemon technique is largely a continuation of work by ...
The National Weather Service in Chicago issued 16 tornado warnings on Monday around the region, the most in a single day in 20 years. This included Cook and DuPage counties, where O'Hare and ...
The Climatology and Synoptic Meteorology of Southern Plains' Tornado Outbreaks (1979) Alan Roger Moller (February 1, 1950 – June 19, 2014) was an American meteorologist, storm chaser, nature and landscape photographer known for advancing spotter training and bridging operational meteorology (particularly severe storms forecasting) with research.
Particularly dangerous situation. In weather forecasting in the United States, " particularly dangerous situation " (PDS) is enhanced wording used by the National Weather Service to convey special urgency in some watch or warning messages for unusually extreme and life-threatening severe weather events, above and beyond the average severity for ...