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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 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 ...
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 ...
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 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.
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]
The difference between the forecast and the actual weather outcome for forecasts 3, 5, 7, and 10 days in advance. It was not until the 20th century that advances in the understanding of atmospheric physics led to the foundation of modern numerical weather prediction.
The second planned project is the Bistatic Adaptable Radar Network (BARN) which will be integrated with existing DOWs and the COW to provide high resolution wind vector observations without the need for multiple, expensive transmitters. These bistatic receivers will consist of small antennas that can be deployed like Pods or mounted onto a ...