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Also actiniform. Describing a collection of low-lying, radially structured clouds with distinct shapes (resembling leaves or wheels in satellite imagery), and typically organized in extensive mesoscale fields over marine environments. They are closely related to and sometimes considered a variant of stratocumulus clouds. actinometer A scientific instrument used to measure the heating power of ...
Aviation weather briefing service [6] Available at designated FSS's AWG American Wire Gage: The larger the size number, the smaller the wire diameter. AWIS Aviation weather information service [6] Available at FSS: AWO All weather operations AWOS Automated weather observation system [6] Automated METAR reporting system AWWS Aviation weather web ...
Pages in category "Glossaries of meteorology" The following 4 pages are in this category, out of 4 total. ... Glossary of tornado terms; Glossary of tropical cyclone ...
METAR is a format for reporting weather information. A METAR weather report is predominantly used by aircraft pilots, and by meteorologists, who use aggregated METAR information to assist in weather forecasting. Raw METAR is the most common format in the world for the transmission of observational weather data.
A mesoscale convective system's overall cloud and precipitation pattern may be round or linear in shape, and include weather systems such as tropical cyclones, squall lines, lake-effect snow events, polar lows, and mesoscale convective complexes (MCCs), and generally forms near weather fronts. The type that forms during the warm season over ...
Storm spotting – The observation of severe weather by individuals trained in weather and reporting. Spotters can be stationary or mobile. Storm Data (SD) – A National Climatic Data Center (NCDC) publication beginning in 1959 detailing quality controlled tornado and other severe weather summaries as the official NOAA record of such events.
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A Short-Term Forecast NOW (alt., NOWcast) is an event-driven narrative outlook of near-term weather conditions within the Weather Forecast Office’s area of responsibility, typically valid for a three- to seven-hour period. The product outlines any ongoing or recently occurring conditions—based on radar analysis, satellite imagery and other ...