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Short range forecast products depicting pressure patterns, circulation centers and fronts, and types and extent of precipitation. 12 Hour | 24 Hour | 36 Hour | 48 Hour Medium Range Forecasts Medium range forecast products depicting pressure patterns and circulation centers and fronts Day 3 | Day 4 | Day 5 | Day 6 Precipitation Amounts Quantitative precipitation forecasts. Day 1 | Day 2 | Day 3 Surface Analysis Highs, lows, fronts, troughs, outflow boundaries, squall lines, drylines for much of North America, the Western Atlantic and Eastern Pacific oceans, and the Gulf of America. Standard Size | High Resolution Maximum daytime or minimum overnight temperature in degrees Fahrenheit. Predominant Weather Expected weather (precipitating or non-precipitating) valid at the indicated hour. The weather element includes type, probability, and intensity information. Wind Speed and Direction Sustained wind speed (in knots) and expected wind direction (using 36 points of a compass) forecasts. Chance of Precipitation Likelihood, expressed as a percent, of a measurable precipitation event (1/100th of an inch). Precipitation Amount Total amount of expected liquid precipitation. Expected amount of opaque clouds (in percent) covering the sky. Alaska Graphical Forecasts Graphical forecasts from the National Digital Forecast Database for Alaska. Hawaii Graphical Forecasts Graphical forecasts from the National Digital Forecast Database for Hawaii. Puerto Rico Graphical Forecasts Graphical forecasts from the National Digital Forecast Database for Puerto Rico and Virgin Islands. US Dept of Commerce National Oceanic and Atmospheric Administration National Weather Service 1325 East West Highway Silver Spring, MD 20910 Comments? Questions? Please Contact Us.