If you live in an area with frequent snow fall, you might like to see how deep the snow is where you are working before heading out to survey. This is a handy Google Map Mashup for checking out snow depth which will make this task easier (found via).
The map uses colored map markers to show at a glance the depth of the snow at different resorts. If you click on a resort's map marker you can click through to view a full snow report for the selected resort.
The same site also provides a Google Map of the current weather conditions.
View other handy Google Maps Mashups for land surveyors here on Land Surveyors United
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At times, surveyors may need to know whether the clouds above might interfere with their GPS work. Below is a site which canhelp you plan for such annoyances.
Daylight Map
See your own weather from above! The view at right is a mosaic of satellite cloud images from one of the following sources (my server tries each in order):