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      National Weather Service United States Department of Commerce

      Short Range Forecasts

      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 Mexico.

      Standard Size | High Resolution

      Temperature

      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.

      Sky Cover

      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.

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