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Online Weather Resources

Knowing the weather forecast is helpful in predicting when a good flight of raptors will occur. A heavy overcast or rain will keep numbers down. In the fall, winds from a northerly direction often associated with a passing cold front are more favorable for migrating raptors.

The following online resources provide information on both the current and forecasted weather. The resources progress from ones that are simple and easy understand to those that are complex and require some effort to interpret.

Try them out and see which ones you find useful.

If you have other online resource you think others might find useful send the URL and a short description to weather@greatblue.com.


Intellicast

This site provides a great set of local weather products including Four Day text forecast and 36-hours of forecast maps at 6-hour increments for Temperature, Precipitation, Thuderstorms, and WINDS! for the U.S. A more limited set of products is available for other countries. Multiple clicks are sometimes needed to get maps to display. Graphics intensive, requires a good Internet connection.

To get local forecast and maps: Click on your country from the Intellicast Home Page and then drill down using the text links of regions on the right until you get to a local city or destination. Book mark that page. A horizontal set of *CAST links toward the top of the page allow you to switch between forecast products. Click on the times above the maps to see forecasts for up to 36-hours ahead.


The Weather Channel Current Conditions

Maps of current conditions for U.S. and by region along with morning, midday, and evening forecasts for the U.S. Maps show Warm and Cold Fronts, High and Low Pressure centers, Precipitation, and Isobars. A weekly planner with daily maps showing precipitation, highs, and lows is also available along with radar and satellite images.


UM Weather at the Weather Underground

Quick access to National Weather Service text forecast info.

* FastForecast...Enter a city, state, country, zip code, or station code for the current National Weather Service forecast:
Examples: "NY", "Albany", "11234", "ALB", or "France"


Unisys Weather: Forecast Meteograms

Forecast Meteograms provide a compact summary of a 60 hour forecast for a single location. They are generated every 12 hours. On one graphic image, meteograms show 60 hour plots of temperature, cloud ceiling, pressure, and precipitation. Wind speed is graphically shown as wind barbs at 3 hour intervals which makes it easy to see when the wind will shift in direction and strength.

It takes a bit of learning but once you've mastered them, meteograms are very useful.
In order to use meteograms you will have to:

  1. Learn how to read a meteogram.
  2. Learn how to convert from Universal Time (UTC) to Local Time.
    (Times on the meteograms are given in UTC which is 4-10 hours ahead of times in North America. Use the above link to determine how many hours you need to subtract from UTC times to get your local time.)
  3. To get a "local" meteogram: Go to the Unisys Weather Forecast Meteogram page and select a city either from the clickable map or from the text links at the bottom of the page.


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Last Updated: Saturday, September 8, 2001 1:30pm EST