is the official website for KING-TV, Channel 5, your trusted source. Weather radars can also pick up returns from nearby objects on the ground (ground clutter) and flying insects. Weather forecast and conditions for Seattle, Washington and surrounding areas. So, rain will occur in some places (such as the western side of the Olympic Mountains) without it showing up on our loop. This view combines radar station products into a single layer called a mosaic and storm based alerts. The beam can be blocked by mountains, and some areas are simply too far away from any radar. Rain will taper off to a brief mix of sleet and snow this morning, with blustery conditions later this afternoon. The coverage of the Pacific Northwest by weather radar is by no means uniform. Live Doppler 13 forecast: Sunrise update. Additionally, simulated radar is derived from numerical models, and the output may differ from human-derived forecasts. Our loop shows the signals recorded by several radars in the northwest over the last several hours. Note: Radar products are designed for optimal performance on modern desktop and mobile browsers, such as Firefox and Chrome. High values of dbz (color scale to the right of the image) indicate large drops and heavy precipitation. Raindrops and snow produce reflections that become stronger as the size of the drop or flake increases. Check back for updates as more information becomes available.ĭownload the FREE Boston 25 News app for breaking news alerts.įollow Boston 25 News on Facebook and Twitter.Weather radars send out pulses of microwave energy and listen between the transmitted pulses for part of that the energy to be reflected back to the radar. “Up to one foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways.” the NWS said.įor more on the storm, visit the Boston 25 Weather page. Nantucket is under a coastal flood advisory. Significant beach erosion is also possible.” Flooding could be 1 to 2 feet deep in some locations and debris could wash onto coastal roadways. Current and future radar maps for assessing areas of precipitation, type, and intensity. “Large waves may produce pockets of moderate flooding along the ocean shoreline in places such as Gloucester, Revere, Hull, and Scituate. “Flooding is up to one foot deep and affects more vulnerable shore roads, including Morrissey Boulevard in Boston,” the NWS said. See the latest United States Doppler radar weather map including areas of rain, snow and ice. Modern weather radars are mostly doppler radars, capable of detecting the motion of rain droplets in addition to intensity of the precipitation. Thanks for signing up Watch for us in your inbox. A weather radar is used to locate precipitation, calculate its motion, estimate its type (rain, snow, hail, etc. Weather Tools Weather Maps KTAB Weather KRBC Weather Weather Forecasts Interactive Radar. Use caution if you must drive,” the NWS said.īarnstable, Eastern Essex, Eastern Norfolk, Eastern Plymouth, and Suffolk are also under coastal flood watches. The Current Radar map shows areas of current precipitation. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. “People should avoid being outside in forested areas and around trees and branches.
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