National Hurricane Center - Tropical Prediction Center

lightningstorm.com   Lightning map of US

Maine forecast

wgme-tv Maine Weather

Weather.com

wunderground

Intellicast

Weathermania

USA TODAY Weather

Weather Maps

TPC Satellite Imagery List

Intellicast - World Satellite Image

NASA Space Weather

Space Weather .com

NOAA -Space Weather Now

Space Weather Advisories

Solar activity monitor - simple - with graphs - N3KL

Solar Data - no monitor - spectral pics

Solar Data NOAA - flare monitor and graphs

Solar Terrestrial Dispatch - Solar alert source

Coronal Mass Ejection Time of Arrival Prediction

Solar wind time series -CASS 

SDSS Digital Sky SkyServer

History's Biggest Sunspots

Human Space Flight - View by eye

Yahoo! Weather - Mars

Misc

World Sunlight Map

Earthquake Hazards Program

US Naval Observatory - Sun & Moon data