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sect.10 TB 1

10.16 weathersattelites

36000 km

850 km

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sect.10 TB 2

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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sect.10 TB 3

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