Property of Lear Siegler
CHANGE INDICATOR BECMG Gradual change between 2000Z and 2200Z KDHN Z Z 00000KT 1/2SM FG VV003 BECMG KT 2SM FGHZ FM KT 3SM -SHRA SCT008 BKN020 FM KT 4SM RA OVC020 TEMPO KT 1SM +SHRA OVC010 FM KT 5SM BKN010 BKN030 0VC060 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
CHARTS ARE TRANSMITTED EVERY 3 HOURS INFORMATION COMES FROM METAR Property of Lear Siegler
15 13, METAR KATL Z 28025KT 4SM DZ FG SCT014 BKN020 OVC030 15/13 A3049 RMK SLP315 Property of Lear Siegler
SKY CLEAR FEW 1-2 SCT BKN OVC 8 OBSCURATION MISSING DATA
CLEAR FEW (1-2) SCATTERED (3-4) BROKEN (5-7) OVERCAST (8) OBSCURED SKY COVER MISSING
WIND DIRECTION Property of Lear Siegler
CALM 05 KNOTS 10 KNOTS 15 KNOTS 20 KNOTS 50 KNOTS 65 KNOTS WIND SPEED Property of Lear Siegler
15 13, TEMPERATURE Property of Lear Siegler
, WEATHER & OBSCURATION Property of Lear Siegler
RAIN DRIZZLE SNOW ICE PELLETS HAIL SHOWER RAIN SHOWER SNOW SHOWER Property of Lear Siegler
T/STORM FREEZING RAIN FREEZING DRIZZLE FOG SMOKE HAZE Property of Lear Siegler
15 13, DEWPOINT Property of Lear Siegler
15 13, STATION PRESSURE Property of Lear Siegler
1. STATION PRESSURE CORRECTED TO SEA LEVEL 2. SHOWN IN HECTOPASCALS / MILLIBARS = = 866 Property of Lear Siegler
15 13, PRESSURE TENDENCY (3 HOUR) Property of Lear Siegler
15 13, CURRENT STATION PRESSURE = PRESSURE TREND = INCREASING PRESSURE 3 HOURS AGO = Property of Lear Siegler
15 13, CURRENT STATION PRESSURE = PRESSURE TREND = PRESSURE 3 HOURS AGO DECREASING = Property of Lear Siegler
CURRENT STATION PRESSURE = PRESSURE TREND = PRESSURE 3 HOURS AGO INCREASE THEN STEADY = , Property of Lear Siegler
CURRENT STATION PRESSURE = PRESSURE TREND = PRESSURE 3 HOURS AGO DECREASE THEN STEADY = , Property of Lear Siegler
CURRENT STATION PRESSURE = PRESSURE TREND = PRESSURE 3 HOURS AGO DECREASE THEN INCREASE = , Property of Lear Siegler
CURRENT STATION PRESSURE = PRESSURE TREND = PRESSURE 3 HOURS AGO INCREASE THEN DECREASE = , Property of Lear Siegler
CURRENT STATION PRESSURE = PRESSURE TREND = PRESSURE 3 HOURS AGO STEADY , Property of Lear Siegler
CURRENT STATION PRESSURE = PRESSURE TREND = PRESSURE 3 HOURS AGO INCREASE THEN DECREASE , Property of Lear Siegler
CURRENT STATION PRESSURE = PRESSURE TREND = PRESSURE 3 HOURS AGO DECREASE THEN INCREASE , Property of Lear Siegler
L H IND TRUE H L L H
Property of Lear Siegler
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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 Property of Lear Siegler PURPOSE-- TO PORTRAY AREAS OF IFR, VFR AND MVFR
WEATHER DEPICTION CHART PURPOSE-- TO PORTRAY AREAS OF IFR, VFR AND MVFR Property of Lear Siegler
SKY CLEAR FEW SCT BKN OVC BINOVC OBSCURATION MISSING DATA
CLEAR FEW (1-2) SCATTERED (3-4) BROKEN (5-7) OVERCAST (8) OBSCURED SKY COVER MISSING OR PARTIAL OBSCURATION BREAKS IN OVERCAST
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
SCT010 BKN020 OVC030 S.A. W.D. 20 Property of Lear Siegler
FEW010 FEW020 SCT030 Property of Lear Siegler S.A. W.D.
VFR MVFR IFR CEILING AND VISIBILITY GREATER THAN CEILING AND / OR VISIBILITY LESS THAN AREAS DEPICTED To 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
METAR KATL Z 28025KT 4SM DZFG SCT014 BKN120 OVC300 15/13 A3049 RMK SLP315, 12 4 W.D.S.A, 120 Property of Lear Siegler
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ELO Interpret information contained in a radar summary chart
RADAR SUMMARY Property of Lear Siegler
RADAR SUMMARY CHART Property of Lear Siegler PURPOSE-- TO DEPICT PRECIPATION TYPE, INTENSITY, COVERAGE, ECHOES, MOVEMENT, AND MAXIMUM TOPS; DEPICTS PRECIPATION ECHOES, NOT CLOUD TYPES.
RADAR SUMMARY CHART Property of Lear Siegler The Radar Summary Chart is issued every hour.
Property of Lear Siegler
Area/Line Movement Property of Lear Siegler CONTOURS AT LEVELS 1, 3, AND
6 INTENSITY LEVELS
CONTOURS AT LEVELS 1, 3, AND 5. 1
WEAK MODERATE STRONG VERY STRONG INTENSE EXTREME Property of Lear Siegler
450 TOPS OF ECHO Property of Lear Siegler
30 CELL MOVEMENT Property of Lear Siegler
30 Area/Line Movement CELL MOVEMENT Property of Lear Siegler
Symbol Meaning RRain RWRain Shower SSnow SWSnow Shower TThunderstorm NENo Echoes NA Not Applicable OM Out for Maintanence Property of Lear Siegler
Symbol Meaning ROBEPRadar Operating Below Performance Standards RHINORange Height Indicator Not Operating Property of Lear Siegler
New or Intensity Increasing Property of Lear Siegler Line of Echoes WS999 WT999 HOOK Severe Thunderstorm Tornado Watch Hook Echo Severe weather watch area Intensity Decreasing + -
Property of Lear Siegler
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