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Interactive Forecast Preparation System (IFPS)
IFPS
Forecasters at the National Weather Service are using the Interactive Forecast Preparation System (IFPS) to create a whole new suite of forecast products. For more information, look below.  
National Digital Forecast Database (NDFD)
National Digital Forecast Database logo The demand for more detailed forecast information is increasing. The Interactive Forecast Preparation System (IFPS) is helping the National Weather Service meet these demands, with the capability to create a powerful set of forecast grids.
Each grid is like a package containing weather information (i.e. temperature, wind, cloud cover, precipitation, etc) for a small area. When put together like pieces of a puzzle, these grids make up the National Digital Forecast Database (NDFD). The NDFD has a world of possibilities, with small scale or larger scale products made available in both text and graphical formats.

Check It Out!   

Graphical Forecast

 

Graphical forecasts are generated through the NDFD for each National Weather Service County Warning Area (CWA)...including the Little Rock CWA (as shown to right). A probability of precipitation (POP) graphic for the Little Rock County Warning Area (CWA).
In the picture: A probability of precipitation (POP) graphic for the Little Rock County Warning Area (CWA).
 
When put together (as a mosaic), the graphics for the National Weather Service CWAs (122 of them) become a seamless national graphical forecast.

Check It Out! 

 
Point Forecast
 
A county versus point forecast perspective. Up until the NDFD, forecasts were created on a county by county basis. With small forecast grids available, now forecasts can be made for points within counties! 
In the picture: A county versus point forecast perspective.
 
As an illustration, try the county forecast and point forecast drop-down menus below. You'll notice that point forecasts are for specific latitudes and longitudes.
 

Now try a point forecast...which is made for specific latitudes and longitudes (a much smaller scale). In addition to a 7-day forecast, there is also a meteogram and tabular data available for each point.
 
Cities in Arkansas Coordinates (make sure "Lon" is negative)
Lat:   Lon:
 

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Tabular Forecast
 
As mentioned in the "Point Forecast" section, the National Weather Service is creating new text (tabular) products. 
 
A piece of a Tabular Point Forecast.
In the picture: A piece of a Tabular Point Forecast.
 
The Tabular Point Forecast, for example, is a very specific forecast of expected weather conditions in 3 hour increments.   
 

Check It Out!

 

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Little Rock Weather Forecast Office
Page last modified: 13 November, 2007
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