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Weather radar in Norman, Oklahoma with rainshaft Weather (WF44) radar dish University of Oklahoma OU-PRIME C-band, polarimetric, weather radar during construction. Weather radar, also called weather surveillance radar (WSR) and Doppler weather radar, is a type of radar used to locate precipitation, calculate its motion, and estimate its type (rain, snow, hail etc.).
The generic term, Winter Weather Advisory (which replaced the previously used "Travelers Advisory"), is used for hazardous winter precipitation in the form of snow, freezing rain or freezing drizzle, sleet or blowing snow, or a combination of two or more precipitation types. The forecast accumulation criteria—defined below locally designated ...
Polarimetric radar boosts precipitation observation and prediction, especially rainfall rates, hail detection, and distinguishing precipitation types. [14] Proposed radar technologies, such as phased array and CASA, would further improve observations and forecasts by increasing the temporal and spatial resolution of scans in the former [15] as ...
"Doppler radar indicated heavy rain," the weather service said. ... The airport received 2.39 inches of rain Sunday, breaking the record for the calendar day last set on Feb. 4, 1990, when half an ...
When the rain starts to fall, people immediately look to the weather radar to see how long it will last. But when severe weather strikes, meteorologists can use this technology to pinpoint the ...
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In addition, some NWS Weather Forecast Offices have instituted an enhanced flash flood warning, referred to as a flash flood emergency (or as termed by the Albany, New York office as a flash flood warning emergency [5]), which indicates a severe flooding situation in densely populated areas, similar to the procedure for declaring a tornado ...
* from monday evening through wednesday evening. * this is a particularly dangerous situation * total rainfall amounts of 5 to 8 inches are expected along and north of i-40 with 2 to 5 inches expected south of i-40. locally higher amounts are likely. * rainfall amounts such as these may lead to widespread...