The Observatory also monitors and assesses radiation levels in Hong Kong, and provides other meteorological and geophysical services to meet the needs of the public and the shipping, aviation, industrial and engineering sectors. • Weather Information for South China Coastal Waters • Marine Forecast • Real-time Tide Level and Forecast for Hong Kong • Windsurfing Forecast for Hong Kong • Times of Sunrise/Sunset, Moonrise/Moonset and Tidal Predications for Hong Kong for 2019 • Sunrise/Sunset, Moonrise/Moonset and Twilight Calculator • Marine Forecast by Japan Meteorological Agency 9-day Forecast. ... Half-hourly Accumulated Rainfall Unit: mm. In this connection, HKO has developed a suite of nowcasting systems, including the "Short-range Warning of Intense Rainstorms in Localized Systems" (SWIRLS), to aid rainstorm warning operation as well as high-impact weather forecasting for the public and the aviation community. In short, the forecast rainfall amount derived from the nowcast system is only one of the many factors that have to be considered. Precipitation forecast Europe // modelrun: 00h UTC 2020-06-09 Cloud forecast Europe // modelrun: 00h UTC 2020-06-09 Temperature forecast Europe // modelrun: 00h UTC 2020-06-09 Hong Kong is a world-renowned financial, commercial, and tourist hub with an agreeable climate devoid of extremely high or low temperatures. QPF (Quantitative Precipitation Forecast) For Public Weather Services. Follow-up: Discontinuation of the Collaborative Nearshore Swell and Wind Forecast Effective December 30, 2020 Hazard Simplification - Warning Update Method - Survey through January 7, 2021 2020 Hurricane Season Summary for the Central Pacific Basin Under the influence of stronger-than-normal northeast monsoon, normal to below-normal rainfall in Hong Kong is more likely for this winter. Weather Forecast > World Weather Forecast: Bulletin updated at 22:01 HKT 24 / Apr / 2019 The mean annual rainfall ranges from about 1400 millimetres at Ping Chau to more than 3000 millimetres in the vicinity of Tai Mo Shan. QPE Products in SWIRLS ... QPF (Quantitative Precipitation Forecast) For Warning and Forecast Operations. The Hong Kong Observatory (HKO) is running a high resolution Regional Spectral Model (RSM) to improve short-term rainfall forecasts. Taking the development of La Niña and climate model forecasts into consideration, normal to below-normal temperature in Hong Kong is more likely for this winter. The accuracy of forecast also varies for different weather systems in different seasons. Forecast 15:06 16 Dec 2020. * Marks your location on the rain radar. Notwithstanding the advancement of weather forecast tools over the past decade, it remains challenging to forecast heavy rain with a long lead time. 1-hour / 2-hour Nowcast. world city weather forecast. * High accuracy 10 day forecast sourced directly from Weather Underground. SWIRLS –HKO Rainstorm Nowcasting System. Everything you need to be ready to step out prepared. Please refer to the latest local weather forecast and 9-day weather forecast issued by the Hong Kong Observatory. QPF - Pre-processing of Radar Data DSD rain gauge. Forecast for spring 2021 (March to May 2021) will be available around 1st March 2021. Climate prediction centres around the world generate seasonal forecasts, employing a variety of methods including dynamical models, statistical methods, expert judgment and combinations of them. Generally speaking, weather in spring and summer such as fog, tropical cyclone and severe convective weather is more changeable, resulting in higher uncertainty of forecast. The Hong Kong Observatory (HKO) has been operating its nowcasting services since 1999. • Reporting, forecast, warning bulletins data – Use since 2007 – Oracle 10g on RAC with Data Guard – Support Public Weather Service. Get the monthly weather forecast for Hong Kong, Sha Tin, Hong Kong, including daily high/low, historical averages, to help you plan ahead. Following calculation of forecast rainfall amount at grids, the predicted rainfall amounts at designated locations are interpolated. Besides, day-to-day fluctuations in weather and temperature could be quite large with occasional cold weather. 10 Oct 2018, Hong Kong Observatory. Under the influence of the developing La Niña and stronger-than-normal northeast monsoon, Hong Kong is likely to experience more cold days this winter compared to the previous winter. Predictions from different centres do not always agree and large discrepancies can occur at times. Weather Forecast • hourly forecasts of air temperature, relative humidity and wind direction and speed for the next nine days at several stations in Hong Kong and a total of 240 grid boxes over the Pearl River Delta Region • daily forecasts of the probability of precipitation at the stations in Hong Kong for the next nine days; Forecast This middle 50% range (between 25th and 75th percentiles) is calculated based on the maximum/minimum temperature and relative humidity data within a 5-day period centred on that day in the 30 years from 1981 to 2010. Tai Mo Shan (since 1999) TDWR (since 1996) Tates’ Cairn (since 1994) S-band 10cm S-band, 10cm C. C- … Seasonal forecast charts provided by G-RCM and major climate centres: For further information on this webpage, please contact Mr. H W Tong (tel:2926 3112, email:hwtong@hko.gov.hk), European Centre for Medium-Range Weather Forecasts, The International Research Institute for Climate and Society (USA), Recent seasonal forecasts and observations. Annual rainfall in Hong Kong. For other rainfall information, please visit the following webpages: Rainfall recorded in various regions of Hong Kong Rainfall extracts of weather stations Weather Information for Schools Regional Information on Heavy Rain and Thunderstorm Automatic Regional Weather Forecast "9-day Weather Forecast" provides general indications of the trends in weather for the coming 9 days. Products such as forecast rainfall map and time series of rainfall amount at selected location are then generated for forecasters' reference or dissemination to users. GEO rain gauge. The Director of the Hong Kong Observatory, Mr Shun Chi-ming (first row, seventh left), is pictured with other participants at the World Meteorological Organization World Weather Research Programme 4th International Symposium on Nowcasting and Very-short-range Forecast 2016 today (July 25). The accuracy of forecast generally decreases with forecast period. Previous Play/Pause Next. Bom radar weather forecasts and synoptic weather maps for Australia. Station Grid. Cold weather refers to temperature falling to 12℃ or below. Hong Kong local rain radar with high accuracy weather forecast in a single view. HKO deployed the SWIRLS nowcasting system to support the very-short range rainfall forecast service in Delhi for the XIX Commonwealth Games in 2010. The accuracy of forecast generally decreases with forecast period. Enter latitude/longitude pair in decimal degrees (i.e. JavaScript must be enabled in order for you to use this application. The average accuracy of weather forecast for the next one to three days, four to seven days, and eight to nine days are about 90%, 85% and 80% respectively. Provides weather forecast in Hong Kong and the Pearl River Delta region using a multi-model consensus forecast system. For detailed description of today's weather forecast, please refer to ". Rainfall Distribution Map Past 1-hour Past 24-hour Today Yesterday Daily Isohyet Chart Seasonal Forecast for Winter 2020/21(December 2020 to February 2021) Hong Kong is expecting: 1. normal to below-normal temperature 2. normal to below-normal rainfall Assessment (as of … During the last winter, there were 8 days of cold weather. The Observatory adopts an ensemble approach to formulate its seasonal forecast for Hong Kong, taking into consideration available products from major climate prediction centres and the. The average accuracy of weather forecast for the next one to three days, four to seven days, and eight to nine days are about 90%, 85% and 80% respectively. Normal to below normal (between 2000 and 2600 mm) ... the forecast of the former is, to some extent, indicative of the latter. * Designed for quick access to rain radars and weather. • High accuracy weather forecasts for Sydney Melbourne Brisbane Perth Adelaide Hobart NSW VIC QLD WA NT SA • Current temperature, predicted rainfall and wind … The best time to visit Hong Kong is from October to December during the autumn and March to April during the spring season as crowds tend to swell by the New Year. The Observatory gratefully acknowledges the Tokyo Climate Center of the Japan Meteorological Agency and the National Centers for Environmental Prediction of National Oceanic and Atmospheric Administration, USA for providing dynamical prediction model forecast and hindcast data to support the formulation of seasonal forecast for Hong Kong. Your localized Sailing weather forecast, from AccuWeather, provides you with the tailored weather forecast that you need to plan your day's activities Hko-hpe, Kayah 76° F Due to the above limitations, the rainfall forecast maps and time series may be different from the weather information disseminated by the Hong Kong Observatory and the neighbouring meteorological authorities. Available across Sydney Melbourne Brisbane Perth Adelaide Hobart NSW VIC QLD WA NT SA AU TAS Core Features • Local and national BOM radars for Australia. Heavy rain from tropical cyclones may last for a few days and subsequent landslips and flooding sometimes cause considerably more damage than the winds. However, it seems JavaScript is either disabled or not supported by your browser. The Weather Forecast Office activates the Central Pacific Hurricane Center when there is a tropical system in the central Pacific. However, La Niña has no significant impact on winter rainfall in Hong Kong. SWIRLS operated for a while after the Games. 21.28 -157.83) Detailed Hourly Forecast — Next 24 hours Show weather on: Next 24 hours December 25, 2020 December 26, 2020 December 27, 2020 December 28, 2020 December 29, 2020 December 30, 2020 December 31, 2020 January 1, 2021 Local Storm Reports Public Information Statements Record Event Reports . In the past month or so, sea surface temperatures of the central and eastern equatorial Pacific continued to cool. HKO AWS. ... HKO rain gauge. The accuracy of forecast also varies for different weather systems in different seasons. Beautifully designed, simple to use. On average, there are about 14 cold days per winter. * Search and bookmark your favourite locations across Hong Kong for quick reference. Based on statistical analysis, the chance of normal to below-normal winter (December – February) temperature in Hong Kong is generally higher during La Niña. Automatic Regional Weather Forecast in Hong Kong & Pearl River Delta Region Climatological information for {2}-{3}, Automatic Regional Weather Forecast in Hong Kong & Pearl River Delta Region, 50% of the days have maximum temperatures falling within this range (based on 30-year climate data), 50% of the days have minimum temperatures falling within this range (based on 30-year climate data), 50% of the days have maximum relative humidity falling within this range (based on 30-year climate data), 50% of the days have minimum relative humidity falling within this range (based on 30-year climate data). Based on the latest oceanic observations as well as forecasts by a number of climate models around the world, the central and eastern equatorial Pacific are expected to remain colder than normal during the 2020/21 winter (December 2020 – February 2021). 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