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Weather maps

Frequently asked questions

How do I set my default map?

You can set any of our maps as your favorite map. This will cause the site to always show your favorite map when you load the home page at:

On our home page, select the map you'd like to see as your default home page map. Then, click the "Save This as Your Default Map View" link, located underneath "Map Controls" and the selected weather map.

What are the white spaces?

If you see white blocks on any of our maps, it is because we are not receiving current data for that area. If it becomes available, we will include the data on our pages and maps with the next update.

What is the map projection scale?

The map projections we use are square latitude/longitude grids, which means that the distance scale is different depending on if you're measuring north-south or east-west. Thus, we don't post a map scale.

For reference:

5 degrees of latitude  = 345 miles
5 degrees of longitude = 313 miles at 25 degrees latitude (Miami)
5 degrees of longitude = 283 miles at 35 degrees latitude (North Carolina)
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