U.S. Government Weather Sites

Severe Weather Alerts

* Aviation Weather Center
* Climate.GOV
* GPS (Global Positioning System)
* Marine Weather Services
* National Doppler Radar Sites
* National Hurricane Center @Facebook @Twitter
* National Ocean Service
* National Weather Service @Facebook @Twitter @YouTube
* National Weather Service Organization
* NOAA - National Oceanic and Atmospheric Administration
* NOAA - Weather Forecast Offices
* NOAA - Weather Radio
* NOAA - Weather Radio (Coverage Maps)
* NOAA - Weather Radio (SAME Codes by County)
* RADAR.WEATHER.GOV - Weather Radar Maps
* Ready.GOV - Emergency Preparedness
* SKYWARN Volunteer Weather Spotter Network
* Storm Prediction Center
* Tides and Currents
* Tsunami Warning Center @Facebook @Twitter
* Weather Safety Tips

Amateur (Ham) Radio Resources

Ham radio operators play an important role in emergency weather situations, often providing a vital link to storm-stricken communities without power or telephone service.

Amateur Radio Organizations

* ARRL - Amateur Radio Relay League
* ARES - Amateur Radio Emergency Service
* RACES - Radio Amateur Civil Emergency Service

Amateur Radio Band Usage by License Class

* Frequency Spectrum Chart of Band Privileges

Amateur Radio License Study Guides

* ARRL Bookstore - License Manuals

Amateur Radio License Practice Exams

* QRZcom - Practice Tests

Amateur Radio License Testing Schedules

* Amateur Radio License Testing Sites and Dates

Amateur Radio Equipment Dealers

* Amazon
* DX Engineering
* Giga Parts
* Ham Radio Outlet
* MFJ Enterprises
* MTC Radio
* R and L
* Universal Radio

Aviation & Weather Sites

General Aviation

* Aviation Weather Center
* Geographic Calculators
* Great Circle Calculator

Airport Arrivals & Departures

* Flight Aware (Select a state, then an airport's "Flight Tracker")
* Flight Radar 24

Real-Time Flight Maps

* Flight Aware
* Flight Radar 24
* Passur

GPS - Global Positioning System

* GPS (General Information)
* GPS (USA)
* Beidou (China)
* Galileo (European Union)
* GLONASS (Russia)
* IRNSS (India)
* QZSS (Japan)

Major Weather Sites

* The Weather Channel @facebook @twitter
* Accuweather
* BBC Weather
* Bing Weather
* MSN Weather
* NBC Weather
* Weather Underground
* Yahoo Weather

Maritime Weather Sites

* Beach Flag Warning System
* Flaghoisting Alphabet
* Marine Weather Services
* Morse Code Characters
* National Ocean Service
* Semaphore Alphabet
* Tides and Currents
* Tsunami Warning System

Outdoor Weather Webcams

* AfriCAM - Live Safari Webcams
* CamStreamer
* EarthCam - Live Webcams
* EarthCam TV - Live Webcams
* HD On Tap
* Insecam : Beaches
* Live Beaches
* National Park Service (Air Quality Webcams)
* National Park Service (Other Webcams)
* Skyline Webcams
* Strandweer.NU (Dutch Live Webcams)
* Weather Underground (Directory)
* Weather Underground (Map)
* Weather USA
* WebCam.NL (Dutch Live Webcams)
* Webcam Taxi

Space-Based Weather Resources

* GOES - Geostationary Operational Environmental Satellite
* GOES Map Image Viewer
* Globe View (No Weather Overlays)
* GPS - The Global Positioning System (USA)
* Interactive Weather Satellite Viewers #1
* Interactive Weather Satellite Viewers #2
* LIVE Satellite Weather Images
* LIVE Video Feed #1 (International Space Station - ISS)
* LIVE Video Feed #2 (International Space Station - ISS)
* Satellite Weather Map (only works on mobile devices)

Sun & Moon Information

* Day/Night World Map (Click on 'View Interactive Sphere')
* Day/Night World Map
* Moon Connection
* Moon Phases
* Moon Phases and Libation
* Moonrise and Moonset Calculator
* NASA Science : Earth's Moon (Interactive Map)
* Sky Calendar
* Solar Calculator Links
* Solar and Lunar Eclipses
* Solar Position Calculator
* Sunrise and Sunset Calculator

Time-Related Websites

* NIST - Time & Frequency
* Time.GOV
* TimeAndDate.COM
* Time & Frequency Radio Stations :: WWV WWVB WWVH
* U.S. Naval Observatory - Precise Time

Time Standard Telephone Numbers

CHU / NRC - Ottawa, Ontario

* (613) 745-1576

Memphis, TN - Time & Weather

* (901) 526-5261 [JAM JAM 1]
* (901) 522-8888
* (901) 203-5491

South Florida - Correct Time

* (954) 324-8811 (Broward County #1)
* (954) 748-4444 (Broward County #2)
* (305) 324-8811 (Miami-Dade County)

U.S. Naval Observatory

* (202) 762-1401 (Washington, DC)
* (202) 762-1069 (Washington, DC)
* (719) 567-6742 (Colorado Springs, CO)

WWV - Fort Collins, Colorado

* (303) 499-7111

WWVH - Honolulu, Hawaii

* (808) 335-4363

Weather Calculators

* Day-Of-Year Calendar
* Meteorological Conversions and Calculations
* NOAA Calculators and Conversion Tables
* Weather Calculator

Weather Sites Outside of the USA

* Australian Government Bureau of Meteorology
* European Centre for Medium-Range Weather Forecasts
* Meteo-France (in French)
* Meteorological Service of Canada
* New Zealand Met Service
* United Kingdom (UK) Meteorological Office
* World Meteorological Organization

Weather Tools for Programmers

Weather APIs (Application Programming Interface)

* U.S. National Weather Service API
* Accuweather
* Open Weather Map API
* Rapid API (API Directory)
* Weather 2020
* Weatherbit API

Weather Widgets for Websites

* FastWeather.COM
* Meteoblue
* Moon Phase Sticker
* Show My Weather
* TheWeather.COM
* The Weather Network
* WeatherCast.CO.UK
* Weather For You
* Weatherology
* Weather USA
* Weather-Forecast.COM
* WeatherWidget.IO
* Willy Weather
* World-Weather.INFO

Other Weather-Related Websites

* Farmer's Almanac (Published since 1818)
* Personal Weather Station Map