Download - Section 10 TB meteorology
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10.16 weathersattelites
36000 km
850 km
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Polar satellite height 700 1000 km (Average 850 km*)
great sharpness (resolution < 5km) circles over poles (in 1 hr 42 min. around earth)
4 times a day over same area
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Polar satellites make an image of a path over the surfacefrom S-N or from N- S.
Next path shifts to the west because of earth rotation.
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2 februari 2006 10.30 utc
?
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Geostationair satellite
height 36.000 km*
less sharp; far N and S bad coverage circles in 24 hours
stationairy to earth => each 15 minutes picture from same area
Stays above SAME point
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?
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Infrared / visible
Infrared measures temperature of top of cloud or, if noclouds are present, temperature of surface of the earth
advantage : day and night information
disadvantage : fog or low clouds not or hardly visible due
to more or less the same temperature topof clouds and surface
Visibleadvantage : all is visible
disadvantage : only at daytime
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IR
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VIS
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With T of clouds andSFC bycomputer colouredimage
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13 augustus 2005
06.45 17.45 utc
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GOES-10 GOES-12 Met-7 Met-5 GOES-09
CompositeIR Channel 18 jan 2005 15 utc
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Eerste speciale
WEERsatelliet !!! werkte 78 dagen
Meteo op zn kop*
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WX RADAR
Radar: Radio Detection And Ranging
to locate precipitationcalculate its motionestimate its type (rain, snow, hail, etc..)estimate its intensityused to nowcast* precipetation
High Resolution Doppler radar: to detect the motion of raindrops and by motion calculate windshear !!!
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Radar film Memphis
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Flight documentation:
1) SWC Significant Weather Chart
2) Upper Wind and Temperature Chart 3X*
Mostly chosen FL + nearby levels
3) Tafs and Metars (for Destination, Alternates, andEnroute stations) + Sigmets
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SWC: Significant Weather Chart
Significant: Potentially hazardous, bringing safetyproblems or otherwise making a flight difficult.
SWC s are forecasts !!!
The WX and symbols are forecasted AT THEVALIDITY TIME of the SWC and are used 3 hrsbefore and 3 hrs after that time!
1) Low Level SWC
2) Medium Level SWC
3) High level SWC
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DE SIGNIFICANT WEATHER CHART ( SWC ) (1)
De door ons meest gebruikte SWC is een fixed time
prognosis
geldig tussen FL100 en FL450
Daarin worden de volgende items weergegeven : Actieve onweders
Tropische cyclonen Severe line squalls Matige of zware turbulentie in wolken Matige tot zware ijsafzetting
Hagel Uitgestrekte gebieden met zand-of stofstormen(wordt vervolgd)
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DE SIGNIFICANT WEATHER CHART ( SWC ) (2)
Daarin worden de volgende items weergegeven (vervolg) Bewolkingsgebieden met hoeveelheden en basis- en
tophoogtes die bij de verschijnselen A t/m G behoren CAT-gebieden met zwaarte en hoogtes CB's met basis- en tophoogtes Posities aan het aardoppervlak van fronten en duidelijke
convergentie-zones, eventueel met hun verplaatsings-snelheid
Ze mogen alleen ingetekend worden als ze gepaard gaanmet significante weersverschijnselen
Het 0
0
C-niveau Posities, hoogtes, windsnelheden en -richtingen vanstraalstroomkernen
Tropopause hoogtes
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ke
nne
n
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Ookkennen!
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LOW LEVEL SWC (SFC-10.000 ft)
From LFBD to EHAM FL070
1) Mod ice/ mod turb2) Mod ice/ ???
3) ??
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LOW LEVEL SWC (SFC-10.000 ft) MET LEGENDA
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ANDERE UITVOERING VAN DE LOW LEVEL SWC
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MEDIUM LEVEL SWC (FL100 - FL250)
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SYMBOLEN OP DE SWC KENNEN
TEKEN WEERBEELDWEERBEELD TEKEN
THUNDERSTORMS
TROPICAL CYCLONE
SEVERE SQUALL LINE
MODERATE TURBULENCE
SEVERE TURBULENCE
MOUNTAIN WAVES
SLIGHT AIRCRAFT ICING
MODERATE AIRCRAFT ICING
SEVERE AIRCRAFT ICING
WIDESPREAD FOG
HAIL
COLDFRONT AT THE SFC
OCCLUDED FRONT AT SFC
CONVERGENCE ZONE
TROPOPAUSE HIGH
TROPOPAUSE LEVEL
DRIZZLE
RAIN
SNOW
SHOWER
WIDESPREAD BLOWING SNOW
SEVERE SAND- OR DUSTHAZE
WIDESPREAD SAND- OR DUSTSTORM
WIDESPREAD HAZE
WIDESPREAD MIST
WIDESPREAD SMOKE
FREEZING PRECIPITATION
WARMFRONT AT THE SURFACE
QUASI STATIONARY FRONT AT SFC
ITCZ
TROPOPAUSE LOW
FREEZING LEVEL
POSITION, SPEED AND
H
460
Hoogtescheidingsteken
VOLCANIC ERUPTION
LEVEL OF MAX. WIND
L
270
0 : 100360
GECOMBINEERDE MEDIUM HIGH LEVEL SWC (FL100 FL450)
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GECOMBINEERDE MEDIUM-HIGH LEVEL SWC (FL100-FL450)
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LEGENDA MEDIUM HIGH LEVEL SWC
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LEGENDA MEDIUM-HIGH LEVEL SWC
Runtime model
Flight Levels covered
Validity time
MEDIUM HIGH LEVEL SWC VOOR EUR AZIE
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MEDIUM-HIGH LEVEL SWC VOOR EUR-AZIE
Upper Wind and Temperature Chart
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Upper Wind and Temperature ChartFixed time prognoses van de standaard-drukvlakken waarinde windvaantjes en temperaturen zijn geplot
Upper Wind and Temperature Chart
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Upper Wind and Temperature Chart
Flying non standard levels:
1) Wind, Interpolate between levels
2) Temp, Interpolate between levels: 2C / 1000 ft !!!!!! (ISA)
MIND THE TROPOPAUSE.!!!!!*
Above the Trop the T change is 0
UPPERWIND TEMPERATURE CHART FOR FL300
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UPPERWIND-TEMPERATURE CHART FOR FL300
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LEGENDA VAN EEN UPPERWIND TEMPERATURE CHART
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LEGENDA VAN EEN UPPERWIND-TEMPERATURE CHART
Level
Validity
Run timemodel
UW T CHART VAN FL300 VOOR EUR AZIE
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UW-T CHART VAN FL300 VOOR EUR-AZIE
UW T CHART VOOR DE ATLANTISCHE OCEAAN
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UW-T CHART VOOR DE ATLANTISCHE OCEAANNAT kaarten (North Atlantic Tracks)
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Volgende dia
From Lisbon to Reykjavik
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LPPT-EICK on FL300
Light/mod CAT (Gulf of Biscay)
EICK-BIRK on FL110
Light/mod turb and ice
And: mod/sev ice/turb hail inCB
From Lisbon to Reykjavikvia Cork
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Volgende dia
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LPPT-EICK ca. 27065kt
Temp 25 to -41
Wind and Temp on FL240?
EICK-BIRK 17025kt
Temp ca.-46
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Aalborg- Bodo
FL150
Light mod ice in cldMod sev turb andice in CB