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WEATHER MODELS |
| Numerical Weather Models are produced by the National Weather Service using supercomputers. Only in recent history have forecast models been able to run and complete in enough time to be useful for forecasting. This is simply due to the enormous amount of data and calculations that the models use to generate forecasts. Here are several forecast models you can use for forecasting the weather. All are centered around the Washington DC area. |
SURACE FEATURE MAPS |
| A great resource! The map shows Isobars (lines of equal pressure) and frontal positions. This makes it plainly obvious where the current weather controlling features are. Of note is when you see a large number of isobars squeezed into a small area - high winds can be expected. This map also shows where high and low pressure areas area. Generally speaking, air flows from high pressure areas towards low pressure areas. Circulation around a low pressure system is counter-clockwise and is clockwise around a high pressure system. |
NATIONAL WEATHER SERVICE FORECAST DISCUSSION |
| Compare your thoughts with an expert by consulting the National Weather Service Forecast Discussions. These were originally developed so that different forecasting offices could compare notes on their forecating logic, but they've become favorite resources of amateur forecasters. Here you'll find analysis of data that you might not have the time or skill to obtain and analyze yourself. |
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