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The highest daily rainfall occurred in Māngere, with a total of 265 mm (10.4 in). [21] Metservice also reported that 299.5 mm (11.79 in) of rain fell at Albert Park in a span of 34 hours. [22] The peak 2-minute rainfall in Māngere was 4.2 mm (0.17 in). [23] Some parts of the city had over 400 mm (16 in) of rain within a week.
NIWA and MetService are both government organizations that produce weather forecasts. NIWA was previously part of the MetService until 1992. NIWA was previously part of the MetService until 1992. [ 5 ] [ 6 ] In 2009, they signed a memorandum of understanding to work more closely together. [ 34 ]
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.).
MetService routinely runs a number of limited-area models based on both MM5 and WRF with lateral boundary conditions provided by each of the available global models. The primary model configuration for regional forecasting in New Zealand has a horizontal spacing between grid points of 12 km, which allows weather features down to about 50 km ...
NEXRAD or Nexrad (Next-Generation Radar) is a network of 159 high-resolution S-band Doppler weather radars operated by the National Weather Service (NWS), an agency of the National Oceanic and Atmospheric Administration (NOAA) within the United States Department of Commerce, the Federal Aviation Administration (FAA) within the Department of Transportation, and the U.S. Air Force within the ...
Highest rainfall in an hour: 134 mm (5.3 in) Cropp River, West Coast: 8 January 2004 Highest rainfall in 24 hours: 758 mm (29.8 in) Cropp River, West Coast: 27–28 December 1989 Highest rainfall in a calendar year: 16,617 mm (654.2 in) Cropp River, West Coast: 1998 Lowest rainfall in a calendar year: 212 mm (8.3 in) Alexandra, Otago: 1964 ...
The scale of dBZ values can be seen along the bottom of the image. Decibel relative to Z, or dBZ, is a logarithmic dimensionless technical unit used in radar. It is mostly used in weather radar, to compare the equivalent reflectivity factor (Z) of a remote object (in mm 6 per m 3) to the return of a droplet of rain with a diameter of 1 mm (1 mm 6 per m 3). [1]
In Canada, the Meteorological Service divides the country into several forecast regions for the purpose of issuing routine text forecasts and weather warnings, as Canada's provinces and territories do not use a common second-level administrative division scheme similar to the division of states into counties and parishes in the United States.