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The small eye of Dina, only 20 km (10 mi) in diameter, [1] quickly became well-defined, [4] although it became obscured by the central dense overcast on visible satellite imagery. [1] On January 19, the cyclone slowed as it turned to the west-southwest, after the ridge to its south intensified. [ 2 ]
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.).
A weather satellite or meteorological satellite is a type of Earth observation satellite that is primarily used to monitor the weather and climate of the Earth. Satellites can be polar orbiting (covering the entire Earth asynchronously), or geostationary (hovering over the same spot on the equator ).
As a result, during 1989 Meteo-France (MF), Environment Canada (EC) and the United Kingdom's Met Office (UKMO) were all set up as RSMCs under interim arrangements between the WMO and the IAEA. [1] Under these arrangements Meteo-France provided global coverage with the UKMO as the backup centre until each WMO region had at least two RSMCs for ...
Grand Anse is a tropical white-sand beach lined with coconut trees in the south of Réunion, with a rock pool built for swimmers, a pétanque playground, and a picnic area. Le Vieux Port in Saint Philippe is a green-sand beach consisting of tiny olivine crystals, formed by the 2007 lava flow, making it one of the youngest beaches on Earth.
Radar schematic of a LEWP. This shape is a single wave along the pattern, for real LEWPs this shape is tessellated repeatedly in a linear fashion. A line echo wave pattern (LEWP) is a weather radar formation in which a single line of thunderstorms presenting multiple bow echoes forms south (or equatorward) of a mesoscale low-pressure area with a rotating "head". [1]
Data extrapolation, including development or dissipation, can be used to find the likely location of a moving weather system. The intensity of rainfall from a particular cloud or group of clouds can be estimated, giving a very good indication as to whether to expect flooding, the swelling of a river etc. Depending on the area of built-up space, drainage and land-use in general, a forecast ...
Its major payload is an X-band (3.1 cm) radar sensor, with different modes of operation, which allows it to provide multiple imaging modes for recording images with different swath width, resolution and polarizations, see the figure for more details. In stripmap mode (spatial resolution of 3m), it needs 10 weeks to map global Earth's landmass.