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Property of Lear Siegler

Property of Lear Siegler. METAR. AVIATION ROUTINE WEATHER REPORT (METAR). INTERNATIONAL CODE FORMAT FOR HOURLY SURFACE WEATHER OBSERVATIONS. THESE REPORTS ARE ISSUED EVERY HOUR ON THE HOUR FOR HUNDREDS OF LOCATIONS WORLD WIDE AND CONTAIN THE LATEST AVAILABLE WEATHER INFORMATION.

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Property of Lear Siegler

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  1. Property of Lear Siegler

  2. METAR

  3. AVIATION ROUTINE WEATHER REPORT(METAR) INTERNATIONAL CODE FORMAT FOR HOURLY SURFACE WEATHER OBSERVATIONS. THESE REPORTS ARE ISSUED EVERY HOUR ON THE HOUR FOR HUNDREDS OF LOCATIONS WORLD WIDE AND CONTAIN THE LATEST AVAILABLE WEATHER INFORMATION. Property of Lear Siegler

  4. THE PURPOSE IS… TO PROVIDE THE PILOT WITH THE LATEST WEATHER CONDITIONS AT A STATION. Property of Lear Siegler

  5. METAR FORMAT TYPE OF REPORT STATION IDENTIFIER (FOUR LETTER) DATE AND TIME OF OBSERVATION WINDS VISIBILITY AND RVR PRESENT WEATHER SKY CONDITION TEMPERATURE AND DEW POINT ALTIMETER SETTING REMARKS Property of Lear Siegler

  6. ELO Interpret METAR report heading

  7. METAR TYPE REPORT METAR -- ROUTINE HOURLY REPORT SPECI – SELECTED SPECIAL WEATHER REPORT COR -- CORRECTION TO PREVIOUS REPORT AUTO – FULLY AUTOMATED WITH NO HUMAN INTERVENTION OR OVERSIGHT Property of Lear Siegler

  8. METAR KOZR STATION IDENTIFIER KOZR -- Cairns AAF. KMXF -- Maxwell AFB KLSF -- Lawson AAF. KBIX -- Keesler AFB. KBKF -- Buckley ANGB. KFCS -- Butts AAF. KFLV -- Sherman AAF. KMIB -- Minot AFB. Property of Lear Siegler

  9. METAR KOZR 121455Z • DATE & TIME • ALL TIMES IN UTC ( ZULU) Z- 5 = EST Z- 7 = MST Z- 8 = PST Z- 6 = CST NOTE! CLASSROOM/EXAM ADD OR SUBTRACT 6 HOURS Property of Lear Siegler

  10. questions ?

  11. ELO Interpret wind information

  12. METAR KOZR 121455Z 18005KT • SURFACE WIND • Wind direction in reference to TRUE north and is reported to the nearest 10°. • Wind speed is a 2 minute average reported to the nearest knot . VRB is used when speed is less than or equal to 6 knots. Example: VRB05KT • Calm wind is shown as 00000KT. Property of Lear Siegler

  13. METAR KOZR 121455Z 20015KT180V260 • SURFACE WIND • Gust - fluctuations in wind speed of 10kts or more between peaks and lulls. Example: 27015G25KT • Varying. A “V” is used when wind varies 60° or more and the wind is greater than 6KTS • Peak Wind. Peak wind is reported in remarks when instantaneous speed is greater than 25 knots. Example: PK WND 22030/15 Property of Lear Siegler

  14. METAR KOZR 121455Z 18005KT METAR KMXF 121455Z 19006KT METAR KLSF 121455Z 31010KT METAR KBIX 121455Z 24012G23KT METAR KBKF 121455Z 34012KT METAR KFCS 121452Z 33008KT METAR KFLV 121455Z 03004KT METAR KMIB 121455Z 01024KT Property of Lear Siegler

  15. questions ?

  16. ELO Interpret visibility information

  17. METAR KOZR 121455Z 18005KT 1/2SM • PREVAILING VISIBILITY • Visibility is the greatest horizontal distance specified objects can be seen and identified or its equivalent derived from instrumental measurements. Reported in miles and fractions of miles. • Prevailing visibility is the greatest horizontal distance that specified objects can be seen over at least one-half of the horizon, not necessarily continuous. • Variable visibility is explained in the remarks section • Automated stations use an “M” to indicate “less than.” For example, M 1/4SM means less than one-quarter statue mile visibility. Property of Lear Siegler

  18. 1/2SM 1/16SM 7/8SM 3/8SM Visibility 1/2SM Property of Lear Siegler

  19. 11/2SM 3/4SM 7/8SM 1/2SM Visibility 7/8SM Property of Lear Siegler

  20. METAR KOZR 121455Z 18005KT 1/2SM R06/2400FT • Runway Visual Range (RVR) • An instrument-derived value representing the • horizontal distance a pilot may see down the runway. - Only given when the prevailing visibility is 1SM or less and/or the RVR value is 6000FT or less - R06/ Runway 06 plus L,C, or R - 2400FT Visibility, M400FT P6000FT - R06L/2000V4000FT Variability Property of Lear Siegler

  21. METAR KOZR 121455Z 18005KT 1/2SM R06/2400FT METAR KMXF 121455Z 19006KT 3/8SM METAR KLSF 121455Z 31010KT 8SM METAR KBIX 121455Z 24012G23KT 11/2SM METAR KBKF 121455Z 34012KT 7SM METAR KFCS 121452Z 33008KT 60SM METAR KFLV 121455Z 03004KT 4SM METAR KMIB 121455Z 01024KT 1/2SM Property of Lear Siegler

  22. METAR KOZR 121455Z 18005KT 1/2SM R06/2400FT DZ Present Weather: Includes precipitation, obscurations, and other weather phenomena. • Precipitation- Any form of water particle, • liquid or solid, that falls from the • atmosphere and reaches the ground. • (vertical movement) • Obscurations-Any phenomenon in the • atmosphere, other than precipitation, that • reduces the horizontal visibility. Property of Lear Siegler

  23. METAR KOZR 121455Z 18005KT 1/2SM R06/2400FT DZ • PRECIPITATION SYMBOLS RA- rain SN- snow DZ- drizzle PL- ice pellets GR- hail SG - snow grains GS- snow pellets IC- ice crystals UP- unknown precipitation Property of Lear Siegler

  24. METAR KOZR 121455Z 18005KT 1/2SM R06/2400FT DZ • INTENSITY INDICATORS LIGHT – MODERATE NO SIGN HEAVY + NOTE: INTENSITY INDICATORS APPLY TO THE FIRST PRECIPITATION SHOWN Property of Lear Siegler

  25. METAR KOZR 121455Z 18005KT 1/2SM R06/2400FT DZ • DESCRIPTORS BC - PATCHES BL - BLOWING DR - LOW DRIFTING FZ - SUPERCOOLED/FREEZING MI - SHALLOW PR - PARTIAL SH - SHOWERS TS - THUNDERSTORM Property of Lear Siegler

  26. METAR KOZR 121455Z 18005KT 1/2SM R06/2400FT DZ FG • OBSCURATIONS- Any phenomenon in • the atmosphere, other than precipitation • that reduces the horizontal visibility. FG - FOG HZ - HAZE FU - SMOKE DU - DUST BR - MIST SA - SAND VA - VOLCANIC ASH PY - SPRAY Property of Lear Siegler

  27. METAR KOZR 121455Z 18005KT 1/2SM R06/2400FT DZ FG • OTHER PO - DUST/SAND SWIRLS SQ - SQUALLS FC - FUNNEL CLOUD +FC - TORNADO SS - SANDSTORM DS - DUSTSTORM Property of Lear Siegler

  28. INTENSITY DESC PRECIP DESC OBSC OTHER FG RA BL BC SQ + HZ SN BL FC DR FU DZ _ DR +FC DU SH PL FZ SS BR TS GR MI DS SA FZ SG PR SQ VA GS PO IC PY UP RA FG SH BC Property of Lear Siegler

  29. INTENSITY DESC PRECIP DESC OBSC OTHER FU DU BR SA VA FG RA GS SH MI FG RA BL BC SQ + HZ SN BL FC DR DZ _ DR +FC SH PL FZ SS TS GR MI DS FZ SG PR SQ GS PO IC PY UP Property of Lear Siegler

  30. INTENSITY DESC PRECIP DESC OBSC OTHER FU DU BR SA VA FG RA BL BC SQ + HZ SN BL FC DR DZ _ DR +FC SH PL FZ SS TS GR MI DS FZ SG PR SQ GS PO IC PY UP +TSRAPL BLPY Property of Lear Siegler

  31. METAR KOZR 121455Z 18005KT 1/2SM R06/2400FT -DZ FG METAR KMXF 121455Z 19006KT 3/8SM -RA FGHZ METAR KLSF 121455Z 31010KT 8SM RA METAR KBIX 121455Z 24012G23KT 1 1/2SM +TSRA METAR KBKF 121455Z 34012KT 7SM METAR KFCS 121452Z 33008KT 60SM METAR KFLV 121455Z 03004KT 4SM -SN FG METAR KMIB 121455Z 01024KT 1/2SM +SN BLSN Property of Lear Siegler

  32. questions ?

  33. ELO Interpret ceiling information

  34. METAR KOZR 121455Z 18005KT 1/2SM R06/2400FT DZ FG FEW000 OVC035 • SKY CONDITION • SKC/CLR • FEW - 1 to 2 Octas • SCT - 3 to 4 Octas • BKN - 5 to 7 Octas • OVC - 8 OCTAS • V V - Vertical Visibility • BKN000 - Partial Obscuration Property of Lear Siegler

  35. CEILING DEFINED AS THE LOWEST LAYER ALOFT REPORTED AS BROKEN OR OVERCAST. IF THE SKY IS TOTALLY OBSCURED, THE VERTICAL VISIBILITY SHALL BE THE CEILING. Property of Lear Siegler

  36. 1000 3000 3000 2000 1000 2000 Observation point SCT020 FEW010 BKN030 Property of Lear Siegler

  37. 1000 3000 3000 2000 1000 2000 Observation point OVC030 SCT020 SCT010 Property of Lear Siegler

  38. 1000 3000 3000 2000 1000 2000 Observation point FEW010 BKN020 BKN030 Property of Lear Siegler

  39. SKC Property of Lear Siegler

  40. CEILING- THE LOWEST LAYER ALOFT REPORTED AS BROKEN OR OVERCAST. IF THE SKY IS TOTALLY OBSCURED, THE VERTICAL VISIBILITY SHALL BE THE CEILING. Property of Lear Siegler

  41. Vertical Visibility: 1. The distance that the observer can see vertically into an indefinite ceiling 2. The height corresponding to the top of a ceiling light projector beam. 3. The height at which a ceiling balloon completely disappears OBSCURATION: Any phenomenon in the atmosphere, other than precipitation, reducing the horizontal visibility. IF THE SKY IS TOTALLY OBSCURED, THE VERTICAL VISIBILITY SHALL BE THE CEILING. EXAMPLE: VV002 “ Indefinite Ceiling 200 feet” Property of Lear Siegler

  42. METAR KOZR 121455Z 18005KT 1/2SM R06/2400FT DZ FG FEW000 OVC035 • PARTIAL OBSCURATIONS • FEW000 - 1/8 to 2/8 sky obscured - • “Few clouds less than 50ft” • SCT000 - 3/8 to 4/8 sky obscured - “Scattered clouds less than 50ft” • BKN000 - 5/8 to7/8 sky obscured - “Broken clouds less than 50ft” Property of Lear Siegler

  43. METAR KOZR 121455Z 18005KT 1/2SM R06/2400FT -DZ FGFEW000OVC035 METAR KMXF 121455Z 19006KT 1SM -RA FGHZVV003 METAR KLSF 121455Z 31010KT 8SM RAVV007 METAR KBIX 121455Z 24012KT 11/2SM +TSRA SCT020BKN030CB Property of Lear Siegler

  44. METAR KBKF 121455Z 34012KT 75SM CLR METAR KFCS 121452Z 33008KT 60SM SCT150 BKN250 METAR KFLV 121455Z 03004KT 4SM -SN OVCOO6 METAR KMIB 121455Z 01024KT 1/2SM +SN BLSNOVC040

  45. questions ?

  46. ELO Interpret temperature/dew point information

  47. METAR KOZR 121455Z 18005KT 1/2SM R06/2400FT DZ FG FEW000 OVC035 17/16 • TEMPERATURE / DEWPOINT In Celsius M for Minus 2 Degree spread for saturation Property of Lear Siegler

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