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First Warning is a severe weather warning system designed for broadcast television stations, typically those in the United States. A weather advisory product based on First Warning, called First Alert, is an automated version of this product, which has come into widespread use by television stations and is marketed under different names depending on the graphics service vendor.
Winter storm live tracker: Snowfall maps, current alerts, weather warnings, ice forecasts, power outages
A high risk severe weather event is the greatest threat level issued by the Storm Prediction Center (SPC) for convective weather events in the United States. On the scale from one to five, a high risk is a level five; thus, high risks are issued only when forecasters at the SPC are confident of a major severe weather outbreak.
WGEM-TV's license was originally granted to Quincy Broadcasting Company, a subsidiary of the Herald-Whig; it was allotted channel 10.The station was originally affiliated with NBC and ABC, while being represented by Walker Representation Co. Quincy Broadcasting's president at the time was T. C. Oakley; Joe Bonansinga was the station's founding general manager.
It was the first-ever tornado warning for ... The National Weather Service issued the warning for northern San Mateo County and parts of downtown San Francisco, just before 6 a.m. until 6:15 a.m ...
References to the "significant weather advisory" and "significant weather alert" terms in First Warning—a broadcast weather alert system derived for use by local television stations—and its derivatives vary by station and market; in most cases, the system's various iterations classify the product by generic thunderstorm-specific terms that ...
WGEM signed on January 1, 1948; its debut was hampered by an ice storm that forced the station off the air just twenty minutes into its first broadcast. [2] The station was owned by Quincy Broadcasting Company, which was purchased by a partnership of transmitter manufacturer Parker Gates and Quincy Newspapers a few months later.
Local Weather Forecast Offices (WFO) of the National Weather Service may issue a Special Weather Statement to alert of a specified hazard that is approaching or below warning or advisory criteria, that does not have a specific alert product code of their own (such as for widespread funnel clouds with limited to no threat of complete tornadogenesis, the likelihood of landspouts, or strong ...