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Sources of Weather Information. Chapter 9, Section E. Preflight Weather Sources. Flight Service Stations - FSS can be contacted anywhere in the USA by using 1 800 WX-BRIEF 1 800 992-7433 Identify yourself as a pilot and provide the following information VFR or IFR

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Presentation Transcript
Sources of weather information

Sources of Weather Information

Chapter 9, Section E


Preflight weather sources
Preflight Weather Sources

  • Flight Service Stations - FSS can be contacted anywhere in the USA by using 1 800 WX-BRIEF 1 800 992-7433

  • Identify yourself as a pilot and provide the following information

    • VFR or IFR

    • Aircraft number and type

    • Departure airfield


  • Route of flight

  • Destination

  • Flight Altitude

  • Estimated time of departure

  • Estimated time enroute


Types of briefings
Types of Briefings

  • Standard is the most complete briefing and assumes no familiarity with the weather picture

  • Abbreviated is used to update weather information when you need only one or two specific items

  • Outlook is used if you departure is six or more hours away. You should update with a standard or abbreviated briefing closer to flight time


TIBS

  • Telephone information briefing service allows you to get recorded weather information

  • It is designed to be a preliminary briefing tool. It is not intended to replace a standard briefing


Duats
DUATS

  • Direct User Access Terminal System allows pilots with current medical certificates to receive weather and file flight plans with a personal computer and modem

  • If you have any question, you should contact a live briefer to help you interpret the raw data and to advise you on how or whether to complete a flight


Duats1
DUATS

  • DTC Duats

    • http://www.duat.com

    • 1 800 245-3828

  • DynCorp

    • http://www.duats.com

    • 1 800 767-9989


In flight weather sources
In-Flight Weather Sources

  • Airmets - WA - Airmans meteorological information are forecasts for a maximum of a six hour period

  • Sierra for IFR conditions

  • Tango for turbulence

  • Zulu for icing and freezing levels


Sigmets
SIGMETs

  • Significant meteorological information - WS -

    • Severe Icing

    • Severe and extreme turbulence

    • Volcanic eruptions

    • Duststorms, sandstorms or volcanic ash lowering visibility to less than three miles


Convective sigmets
Convective SIGMETs

  • Imply severe or greater turbulence, severe icing and low level wind shear

  • Contain either an observation and a forecast or just a forecast for tornadoes, significant thunderstorm activity or hail 3/4 inch or greater in diameter


Enroute flight advisory service
Enroute Flight Advisory Service

  • Flight Watch is available daily from 6 AM to 10 PM when flying between 5,000 AGL and 17,500 MSL any where in the US

  • Contact on 122.0 with your aircraft ID, ARTCC facility identification and name of the nearest VOR


Center weather advisory cwa
Center Weather Advisory CWA

  • Issued by ARTCC to alert pilots of existing or anticipated adverse weather conditions

  • May be issued prior to an AIRMET or SIGMET as a result of PIREPs


Hiwas
HIWAS

  • Hazardous in-flight weather advisory service is a continuous broadcast of in-flight weather advisories over selected VORs or SIGMETs, convective SIGMETs, AIRMETs, severe weather warming alerts AWW, and Center weather advisories CWAs.


AWOS

  • Automated Weather Observing System was the first widely installed automated weather data gathering system

  • AWOS reports at fixed intervals and cannot issue special reports like ASOS does


ASOS

  • Automated surface observation system are becoming the primary weather observing system in the United States

  • Can be reached by telephone or by monitoring an ASOS frequency

  • It provides information for ATIS


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