What Is An Aviation Weather Warning?

What does an airport weather warning mean?

AIRPORT WEATHER WARNING: The AWW is issued by the NWS WFO at (location of WFO) to advise airport officials that locally established hazardous weather criteria, which may adversely affect airport ground operations, have been met. AWWs are not intended for use during in-flight operations.

What are aviation weather services?

In aviation, weather service is a combined effort of the National Weather Service (NWS), Federal Aviation Administration (FAA), Department of Defense (DOD), other aviation groups, and individuals. Because of the increasing need for worldwide weather services, foreign weather organizations also provide vital input.

What is the purpose of the Aviation Weather Center?

These offices are staffed with skilled meteorologists who analyze atmospheric conditions, develop forecasts of aviation threats, and issue advisory and warning-level products for safe and efficient flight.

How do I get inflight weather?

The FAA has established a universal toll-free telephone number for FSSs: 1–800–WX–BRIEF (1–800–992–7433). Before contacting Flight Service, you should have the general route of flight worked out. When you reach Flight Service, you will first hear a recorded announcement, followed by instructions.

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What are the levels of weather warnings?

Weather Watch vs. Warning vs. Advisory

Rank You should take this action:
Advisory Less Serious Exercise caution.
Watch More Serious Listen for further information. Plan/prepare what to do if the danger materializes.
Warning Most Serious Take action immediately to protect life and property.


What is the strongest weather?

Tropical cyclones, better known as hurricanes in the Americas and typhoons in the Far East, are massively destructive weather events that at lower latitudes, begin as weaker, low-pressure weather systems. The strongest, Category 5, storms include Hurricane Katrina in 2005 with winds of over 280 km hr1.

What is the best aviation weather app?

Best Aviation Weather Apps: Get Ready for Springtime Flying

  • Flightradar24 Flight Tracker.
  • CloudTopper. Download for iOS and Android.
  • AeroWeather. Download on iOS and Android.
  • MyRadar. Download for iOS and Android.
  • Garmin Pilot. Download for iOS and Android.
  • METARs Aviation Weather. Download for iOS.
  • Avia Weather. Download for Android.
  • AccuWeather. Download on iOS and Android.

What does 9999 mean in a TAF?

9999. This value represents a visibility greater than 9000. meters (7 SM or more). The contraction CAVOK (ceiling and visibility OK) may be used when there is no significant weather, the visibility is 10 km or greater, and the ceilings are greater than 5,000 ft.

What do pilots use for weather?

ATIS – Automatic Terminal Information Service is the one used by the larger, busier airports. It will consist of its own frequency that pilots can tune to and listen to the latest weather. Air Traffic Control & ATIS/AWOS.

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Altimeter Setting Bravo
Temperature 15 °C
Dew point 8 °C
Altimeter Setting 29.92 inHg


How often is aviation weather updated?

The Aviation Winter Weather Dashboard is available 24/7 and updated 4 times a day, 03Z, 09Z, 15Z, and 21Z.

What does Metar stand for?

METAR is the international standard code format for hourly surface weather observations which is analogous to the SA coding currently used in the US. The acronym roughly translates from French as Aviation Routine Weather Report.

How do I get an online weather briefing?

N O A A N A T I O N A L W E A T H E R S E R V I C E Pilots can receive a complete preflight briefing from a Flight Service Station (1-800-WXBRIEF) or online at 1800wxbrief.com.

How long is an Airmet valid for?

AIRMETs are valid for six hours. NOTE: The definition has changed and no longer says “light aircraft”; AIRMETs are intended for all aircraft. AIRMET TANGO (Turbulence) moderate turbulence, sustained surface winds of 30 knots or greater, and/or non convective low−level wind shear.

What is weather depiction chart?

A weather depiction chart details surface conditions as derived from METAR and other surface observations. The weather depiction chart is prepared and transmitted by computer every 3 hours beginning at 0100Z time and is valid data for the forecast period.

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