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A weather station was set up in Outram that year to measure monthly rainfall, marking the beginning of the "climate station" used to compile climatological data for Singapore. [4] The responsibility for collecting weather data was assigned to a new Meteorological Branch under the Malayan Survey Department in 1927. [5]
The global models that MetService uses generally provide reliable forecasts of weather features, like highs and lows, over forecast periods of several days; however, they are less effective at predicting small-scale weather features like sea breezes and localised showers. Such features are often strongly affected by the local geography, which ...
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 large range between 1 and 10 day forecasts are available, delivering 4 and 40 images, respectively, spaced at +6 hour intervals, beginning with the forecast time. These weather forecast charts are generated by software written and maintained by James McGregor. The data used is obtained from the United States National Weather Service. These ...
On 25 June 2024, MetService issued a severe weather update, warning that a deep low weather system to the northeast of the North Island was expected to bring heavy rains and large easterly swells to Hawke's Bay and the Gisborne district on the east coast. In response, orange heavy rain warnings were issued for Gisborne and Hawke's Bay from ...
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]
A NEXRAD weather radar currently used by the National Weather Service (NWS) is a 10 cm wavelength (2700-3000 MHz) radar capable of a complete scan every 4.5 to 10 minutes, depending on the number of angles scanned, and depending on whether or not MESO-SAILS [7] is active, which adds a supplemental low-level scan while completing a volume scan ...
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.