United States Hazard Threats
Flood Safety Facts plus FEMA file
NWS Daily Flood Summary
QuickCheck
Landslide/Mudslide Safety Facts plus FEMA file
USGS Landslide Hazards Program
USGS Recent Landslides
USGS Landslide Advisories
State-By-State Geohazard Information sources
Heat Wave Safety Facts plus FEMA file
Mean Heat Index Forecasts (WPC/NOAA)
Ultraviolet Protection Safety Guide
Ocean Swimming Safety Guide
Air Pollution Safety Guide
United States Drought Monitoring
Wildfire Safety Guide
Hurricane Safety Facts plus FEMA file
Drought Precautions
United States Wildfire Danger Map (WFAS)
NOAA Hurricane Guide
QuickCheck
National Hurricane Center Advisories (interactive)
Saffir-Simpson Category Scale Explained
Lightning Safety Facts plus FEMA file
NOAA Lightning Guide
QuickCheck for Thunderstorm Warnings (Interactive)
QuickCheck for Current Weather Watches (map)
Convective Outlook Today (SPC / NOAA)
Convective Outlook Tomorrow (SPC / NOAA)
National Lightning Safety Institute
United States Lightning Strikes (past 60 minutes)
Tornado Safety Facts plus FEMA file
QuickCheck for Tornado Warnings (Interactive)
QuickCheck for Current Weather Watches (map)
Daily Tornado/Severe Thunderstorm Reports
Tornado statistics | Current Summary
The Tornado Project Online
Tornado Intensity Scale (Fujita)
Tsunami Safety Facts plus NOAA file
Tsunami data
QuickCheck for Tsunami Warnings (text)
QuickCheck for Tsunami Reports (text)
Winter Storm Safety Facts plus FEMA file
NOAA Winter Storm Guide
Hypothermia Guide
QuickCheck for Winter Storm Warnings (Interactive)
QuickCheck for Current Weather Watches (map)
Wind Chill Chart
Earthquake Safety Facts plus FEMA file
Volcano Safety Facts plus FEMA file
USA Map of Recent Earthquakes
QuickCheck for Earthquake/Tsunami Warnings (text)
Current List of Active Volcanoes
Can We Predict Volcanic Eruptions? (The Annenberg/CPB Project)