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In 2017, Weather Underground removed support for "Storm," in favor of the "Storm Radar" app released by The Weather Channel Interactive in June 2017. [31] On December 31, 2018, Weather Underground ceased offering its popular application programming interface (API) for weather data, further reducing the breadth of its services. [32]
The multiple reflections of the radar beam causing the hail spike. Generally known as hail spikes, these are the result of energy from the radar hitting hail, very heavy rain, or in extreme cases, debris being lofted by a tornado, and being reflected to the ground, where they reflect back to the hail and then to the radar as in the image on the left. [1]
The Weather Underground was a far-left Marxist militant organization first active in 1969, founded on the Ann Arbor campus of the University of Michigan. [2] [page needed] Originally known as the Weathermen, the group was organized as a faction of Students for a Democratic Society (SDS) national leadership. [3]
The rear flank downdraft can arise owing to negative buoyancy, which can be generated by cold anomalies produced at the rear of the supercell thunderstorm by evaporative cooling of precipitation or hail melting, or injection of dry and cooler air in the cloud, and by vertical perturbation pressure gradients that can arise from vertical gradients of vertical vorticity, stagnation of ...
Nation's Worst Cold Outbreak. Adding an exclamation point to a two-week siege widely considered the nation's worst, most prolific cold outbreak, a Blue Norther plowed through the Plains on Feb. 10 ...
Severe weather tore through the southeastern United States on January 8 into January 9th, resulting in 4 fatalities, with 2 of them being tornadic: one each in Alabama and North Carolina. Additional non-tornadic fatalities occurred in the states of Alabama and Georgia. The first January EF3 or stronger tornado in Florida history occurred. [28]
The company developed WeatherBug, a mobile application of their service for Android, iOS and Windows Phone platforms. [11] [12] Spark is a component of the WeatherBug app that reports where the nearest lightning strike is to the user based on data from the Total Lightning Network (run by WeatherBug's former owner, Earth Networks) and your phone's GPS location.
It was only with the issuance of the first official Weather Underground Organization (WUO) communiqué, weeks after the explosion, that Terry Robbins was identified as the last victim. [ 1 ] Shortly after the explosion, Weathermen leaders placed John Jacobs on indefinite leave from the WUO because he was the main advocate of Robbins' aggressive ...