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Property of Lear Siegler. KDHN 091754Z 091818Z 00000KT 1/2SM FG VV003 BECMG 2022 02005KT 2SM FGHZ FM0100 03010KT 3SM -SHRA SCT008 BKN020 FM1000 06015KT 4SM RA OVC020 TEMPO 1114 06010KT 1SM +SHRA OVC010 FM1500 09010KT 5SM BKN010 BKN030 0VC060. CHANGE INDICATOR BECMG
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KDHN 091754Z 091818Z 00000KT 1/2SM FG • VV003 BECMG 2022 02005KT 2SM FGHZ • FM0100 03010KT 3SM -SHRA SCT008 BKN020 • FM1000 06015KT 4SM RA OVC020 TEMPO 1114 • 06010KT 1SM +SHRA OVC010 • FM1500 09010KT 5SM BKN010 BKN030 0VC060 • CHANGE INDICATOR BECMG • Gradual change between 2000Z and • 2200Z Property of Lear Siegler
WEATHER CHARTS Property of Lear Siegler
Terminal Learning Objective Page D-1 in Student Handout: ACTION: CONDITION: STANDARD:
ELO Interpret information contained in a surface analysis chart
SURFACE ANALYSIS CHART The Hydrometeorological Prediction Center (HPC) issues Surface Analysis Chart for North America eight times daily. Valid times are 00, 03, 06, 09, 12, 15, 18, 21 UTC. Property of Lear Siegler
SURFACE ANALYSIS CHART PURPOSE.... TO PROVIDE THE PILOT WITH A GENERAL PICTURE OF THE WEATHER AT A SPECIFIC TIME Property of Lear Siegler
CONDITIONS DETERMINED FROM CHART 1. SURFACE WINDS 2. FRONTAL SYSTEMS 3. PRESSURE SYSTEMS 4. SKY COVERAGE 5. TEMPERATURE AND DEW POINT 6. PRECIPITATION AND OBSCURATIONS 7. STATION PRESSURE 8. PRESSURE TREND (3 Hour) Property of Lear Siegler
315 15 , 13 6 METAR KATL 151450Z 28025KT 4SM DZ FG SCT014 BKN020 OVC03015/13 A3049 RMK SLP315 Property of Lear Siegler
OVERCAST (8) CLEAR FEW (1-2) OBSCURED SCATTERED (3-4) SKY COVER MISSING BROKEN (5-7)
WIND DIRECTION Property of Lear Siegler
CALM 05 KNOTS 10 KNOTS WIND SPEED 15 KNOTS 20 KNOTS 50 KNOTS 65 KNOTS Property of Lear Siegler
315 15 , 13 6 TEMPERATURE Property of Lear Siegler
WEATHER & OBSCURATION , 315 15 13 6 Property of Lear Siegler
RAIN HAIL SHOWER DRIZZLE RAIN SHOWER SNOW ICE PELLETS SNOW SHOWER Property of Lear Siegler
T/STORM FOG SMOKE FREEZING DRIZZLE FREEZING RAIN HAZE Property of Lear Siegler
315 15 , 13 6 DEWPOINT Property of Lear Siegler
315 15 , 13 6 STATION PRESSURE Property of Lear Siegler
1. STATION PRESSURE CORRECTED TO SEA LEVEL 2. SHOWN IN HECTOPASCALS / MILLIBARS 132 1013.2 = 986.6 = 866 Property of Lear Siegler
315 15 13 6 , PRESSURE TENDENCY (3 HOUR) Property of Lear Siegler
101 15 , 13 8 CURRENT STATION PRESSURE = 1010.1 INCREASING PRESSURE TREND = PRESSURE 3 HOURS AGO 1010.1 - 0. 8 = 1009.3 Property of Lear Siegler
, 100 15 13 12 CURRENT STATION PRESSURE = 1010.0 DECREASING PRESSURE TREND = 1010.0 + 1.2 = 1011.2 PRESSURE 3 HOURS AGO Property of Lear Siegler
L IND TRUE H L L H H
ELO Interpret information contained in a weather depiction chart
WEATHER DEPICTION CHART Property of Lear Siegler
WEATHER DEPICTION CHART The Weather Depiction Chart is issued eight times daily. Valid times are 01, 04, 07, 10, 13, 16, 19, 22 UTC. Property of Lear Siegler
WEATHER DEPICTION CHART PURPOSE-- TO PORTRAY AREAS OF IFR, VFR AND MVFR Property of Lear Siegler
OVERCAST (8) CLEAR BREAKS IN OVERCAST FEW (1-2) SCATTERED (3-4) OBSCURED SKY COVER MISSING OR PARTIAL OBSCURATION BROKEN (5-7)
VISIBILITY ONLY SHOWN WHEN 5SM OR LESS 4 Property of Lear Siegler
VISIBILITY NO VISIBILITY SHOWN MEANS VISIBILITY IS GREATER THAN 5SM Property of Lear Siegler
WEATHER AND OBSCURATION ‚ 4 Property of Lear Siegler
CEILING ‚ 4 5 Property of Lear Siegler
S.A. W.D. 20 SCT010 BKN020 OVC030 Property of Lear Siegler
S.A. W.D. FEW010 FEW020 SCT030 Property of Lear Siegler
AREAS DEPICTED CEILING AND VISIBILITY GREATER THAN 3000 -- 5 VFR 3000 -- 5 To 1000 -- 3 MVFR CEILING AND /OR VISIBILITY LESS THAN 1000 -- 3 IFR Property of Lear Siegler
SHADED AREAS … IFR WITH CIG LESS THAN 1000 FT AND/OR VSBY LESS THAN 3 MI CONTOURED WITHOUT SHADING…MVFR AREAS WITH CIG GREATER THAN OR EQUAL TO 1000 TO LESS THAN OR EQUAL TO 3000 FT AND/OR VSBY GREATER THAN OR EQUAL TO 3 TO LESS THAN OR EQUAL TO 5 MI NO CONTOURS… VFR AREAS WITH CIG GREATER THAN 3000 FT AND VSBY GREATER THAN 5 MI Property of Lear Siegler
315 15 13 6 , , W.D. S.A 4 12 120 METAR KATL 151450Z 28025KT 4SM DZFG SCT014 BKN120 OVC300 15/13 A3049 RMK SLP315 Property of Lear Siegler
ELO Interpret information contained in a radar summary chart
RADAR SUMMARY Property of Lear Siegler
RADAR SUMMARY CHART PURPOSE-- TO DEPICT PRECIPATION TYPE, INTENSITY, COVERAGE, ECHOES, MOVEMENT, AND MAXIMUM TOPS; DEPICTS PRECIPATION ECHOES, NOT CLOUD TYPES. Property of Lear Siegler
RADAR SUMMARY CHART The Radar Summary Chart is issued every hour. Property of Lear Siegler
1 3 5 CONTOURS AT LEVELS 1, 3, AND 5. Property of Lear Siegler Area/Line Movement
TOPS OF ECHO 450 Property of Lear Siegler
30 CELL MOVEMENT Property of Lear Siegler