property of lear siegler
DESCRIPTION
Property of Lear Siegler. FORECASTS. Property of Lear Siegler. Terminal Aerodrome Forecast. Property of Lear Siegler. TAF. The expected meteorological conditions significant to aviation at an airport during the specified time issued by NWS. - PowerPoint PPT PresentationTRANSCRIPT
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Property of Lear Siegler
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Property of Lear Siegler
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Property of Lear Siegler
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TAF• The expected meteorological
conditions significant to aviation at an airport during the specified time issued
by NWS.• Airport is defined as the area within a 5nm
radius of the center of the runway complex
Property of Lear Siegler
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• Valid for a 24 - hour period (except for high-impact airports with 30-hr valid times)
• Issued four times daily (every 6 hours) – 0000Z, 0600Z, 1200Z, 1800Z.
TAF
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KATL-Hartsfield/Jackson Atlanta IntlKBDL-Bradley IntlKBOS-Gen Edward Lawrence IntlKBWI-Baltimore-Washington IntlKCLE-Cleveland/Hopkins IntlKCVG-Cincinnati-N Kentucky IntlKDEN-Denver IntlKDFW-Dallas/Ft Worth IntlKDTW-Detroit Metro Wayne CoKEWR-Newark Liberty IntlKIAD-Washington Dullus IntlKIAH-George Bush Intercontinental KIND-Indianapolis IntlKJFK-John F Kennedy IntlKLAX-Los Angeles IntlKMKE-General Mitchell Intl
KMSP-Minneapolis/St Paul IntlKOAK-Metro Oakland IntlKONT-Ontario IntlKORD-Chicago O’Hare IntlKPHL-Philadelphia IntlKPIT-Pittsburgh IntlKSAN-San Diego IntlKSDF-Louisville IntlKSEA-Seattle-Tacoma IntlKSFO-San Francisco IntlKSLC-Salt Lake City IntlKSTL- Lambert-St Louis IntlKSWF-Stewart IntlPANC-Ted Stevens Anchorage IntlPHNL-Honolulu IntlPAFA-Fairbanks Intl
High-Impact Cities with TAF’s for 30 hours
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ORDER OF ENTRY•TYPE OF REPORT•STATION IDENTIFIER (FOUR LETTERS)•ISSUE TIME•VALID TIME•WIND•VISIBILITY•SIGNIFICANT WEATHER•SKY CONDITION•WIND SHEAR
Property of Lear Siegler
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STATION IDENTIFIER
KMGM 091750Z 0918/1018Z 22020KT 5SM HZFU SCT010 BKN025FM 092030 30015G25KT 2SM BKN030 PROB40 1022/1024 30010KT 2SM SHRA OVC010FM 100300 28010KT 2SM SHRA BKN025FM 101200 27005KT 4SM FG OVC008
Property of Lear Siegler
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DATE TIME GROUPTIME OF TRANSMISSION TO THE NEAREST MINUTE
KMGM 091750Z 0918/1018Z 22020KT 5SM HZFU SCT010 BKN025FM 092030 30015G25KT 2SM BKN030 PROB40 1022/1024 30010KT 2SM SHRA OVC010FM 100300 28010KT 2SM SHRA BKN025FM 101200 27005KT 4SM FG OVC008
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VALID DATE /TIMEVALID 24HR FORECAST PERIOD
KMGM 091750Z 0918/1018Z 22020KT 5SM HZFU SCT010 BKN025FM 092030 30015G25KT 2SM BKN030 PROB40 1022/1024 30010KT 2SM SHRA OVC010FM 100300 28010KT 2SM SHRA BKN025FM 101200 27005KT 4SM FG OVC008
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TIME DIVIDER - FROMFROM 2030 on the 9th day, a rapidchange < 1hr
KMGM 091750Z 0918/1018Z 22020KT 5SM HZFU SCT010 BKN025FM 092030 30015G25KT 2SM BKN030 PROB40 1022/1024 30010KT 2SM SHRA OVC010FM 100300 28010KT 2SM SHRA BKN025FM 101200 27005KT 4SM FG OVC008
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TIME DIVIDER - FROM
KMGM 091750Z 0918/1018Z 22020KT 5SM HZFU SCT010 BKN025FM 092030 30015G25KT 2SM BKN030 PROB40 1022/1024 30010KT 2SM SHRA OVC010FM 100300 28010KT 2SM SHRA BKN025FM 101200 27005KT 4SM FG OVC008
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CHANGE INDICATOR - BECMGGradual change on the 9th day between 2000Z and 2200Z
KDHN 091754Z 0918/1018Z 00000KT 1/2SM FG VV003
BECMG 0920/0922 02005KT 2SM FGHZFM100100 03010KT 3SM -SHRA SCT008 BKN020FM101000 06015KT 4SM RA OVC020 TEMPO 1012/1014 06010KT 1SM +SHRA
OVC010FM101500 09010KT 5SM BKN010 BKN030
OVC060
Property of Lear Siegler
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CHANGE INDICATOR TEMPOTemporary change on the 10th day between 1200Z and1400Z. Property of Lear Siegler
KDHN 091754Z 0918/1018Z 00000KT 1/2SM FG VV003
BECMG 0920/0922 02005KT 2SM FGHZFM100100 03010KT 3SM -SHRA SCT008 BKN020FM101000 06015KT 4SM RA OVC020 TEMPO 1012/1014 06010KT 1SM +SHRA
OVC010FM101500 09010KT 5SM BKN010 BKN030
OVC060
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PROBABILITY40-49% Chance between 2200 and 2400on the 10th day of the month
KMGM 091750Z 0918/1018Z 22020KT 5SM HZFU SCT010 BKN025
FM 092030 30015G25KT 2SM BKN030 PROB40 1022/1024 30010KT 2SM SHRA OVC010FM 100300 28010KT 2SM SHRA BKN025FM 101200 27005KT 4SM FG OVC008
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• P6SM
–Visibility Plus 6SM
• NSW
–No Significant Weather
• SKY CONDITIONS
–CB Only cloud type in TAF• Low Level Wind Shear (non-TS shear w/in 2000 ft)
– WS010/18040KTPlaced in TAF when PIREPS report airspeed change of 20 kts or more or
vertical shears of 10 kts or more per 100 ft .
TAF
Property of Lear Siegler
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KDHN 091754Z 0918/1018Z 00000KT 1/2SM FG VV003
BECMG 0920/0922 02005KT 2SM FGHZFM100100 03010KT 3SM -SHRA SCT008
BKN020FM101000 06015KT 4SM RA OVC020 TEMPO 1012/1014 06010KT 1SM +SHRA
OVC010FM101500 09010KT 5SM BKN010 BKN030
OVC060
Property of Lear Siegler
Forecast for 9th day @ 2300Z ?
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KDHN 091754Z 0918/1018Z 00000KT 1/2SM FG VV003
BECMG 0920/0922 02005KT 2SM FGHZFM100100 03010KT 3SM -SHRA SCT008
BKN020FM101000 06015KT 4SM RA OVC020 TEMPO 1012/1014 06010KT 1SM +SHRA
OVC010FM101500 09010KT 5SM BKN010 BKN030
OVC060
Forecast for 9th day at 1900Z?
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KDHN 091754Z 0918/1018Z 00000KT 1/2SM FG VV003
BECMG 0920/0922 02005KT 2SM FGHZFM100100 03010KT 3SM -SHRA SCT008
BKN020FM101000 06015KT 4SM RA OVC020 TEMPO 1012/1014 06010KT 1SM +SHRA
OVC010FM101500 09010KT 5SM BKN010 BKN030
OVC060
Forecast for 10th day at 1030Z ?
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KDHN 091754Z 0918/1018Z 00000KT 1/2SM FG VV003
BECMG 0920/0922 02005KT 2SM FGHZFM100100 03010KT 3SM -SHRA SCT008
BKN020FM101000 06015KT 4SM RA OVC020 TEMPO 1012/1014 06010KT 1SM +SHRA
OVC010FM101500 09010KT 5SM BKN010 BKN030
OVC060
Forecast for 10th day at 1600Z ?
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KSUU 1011/1111 24010G15KT 9999 BKN180 QNH3020INS…….
…BECMG 1104/1105 20010G15KT 8000 –RA BR BKN030VOVC050 QNH3005INS T11/23Z T08/13Z
Visibility greater than 6SM
Forecasted Altimeter
Setting (hg)
Travis AFB, CA
1600 meters = 1 SM
6000 meters = 4 SM
8000 meters = 5 SM
9000 meters = 6 SM
9999 meters = +6 SM
1600 meters = 1 SM
6000 meters = 4 SM
8000 meters = 5 SM
9000 meters = 6 SM
9999 meters = +6 SM
Minimum Temp oC and
Forecast Time
Maximum Temp oC and
Forecast Time
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BECMG CLR ?
Property of Lear Siegler
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ELO #2
ACTION: The student will interpret data contained in winds aloft forecast charts
CONDITION: Given pertinent information about a winds aloft forecast
STANDARD: IAW AC 00-45F
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WINDS ALOFT FORECAST
Property of Lear Siegler
Data based on 010000Z Valid 010600Z FOR USE 0200-0900Z. TEMPS NEG ABV 24000 FT 3000 6000 9000 12000 18000 24000 MKC 9900 1709+06 2018+00 2130-06 2242-18 2361-30
Issue times: Winds and Temperature Aloft forecasts are issued 4 times per day and overlap each other by one hour (beginning and
ending ). Each chart covers a specific area, usually several states.
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Forecast Levels:
Begin usually at 6000 feet MSL
Winds will be given for 6000, 9000, 12,000, 15,000, 18,000, 24,000, 30,000, 34,000, and
39,000 foot levels
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Through 15,000 feet, levels are MSL altitude, 18,000 feet and above are PA
Winds are not normally given for altitudes below 1,500 feet of the surface
Temps are not normally given within 2,500 feet of the surface
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Wind direction
Given in reference to True North to the nearest 10 degrees
Shown in two digits
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Wind Speeds
Given in knots (2 digits)
Wind Speeds of less than 5 knots are shown as 9900
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2312 would be?
From 230 at 12 knots
1820?
From 180 at 20 knots
9900?
Light and variable winds – speeds of less than 5 knots
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Winds above 100 knots – Do the math!
Add 50 to the direction
Subtract 100 from speed
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Winds from 250 degrees at 145 knots would look like?
7545
Winds from 180 degrees at 180 knots would look like?
6880
(250 direction +50 = 75, 145 knot winds - 100 = 45)
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Forecast winds of 200 knots or more will be shown as 199 knots
Winds from 270 at 250 knots would look like?
7799
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Temperatures
In Celsius (two digits), + for positive and - for negative temps
Temps above 24,000 feet are always assumed to be negative
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Sample Winds Aloft Forecast
Data based on 010000Z Valid 010600Z FOR USE 0200-0900Z. TEMPS NEG ABV 24000 FT 3000 6000 9000 12000 18000 24000 MKC 9900 1709+06 2018+00 2130-06 2242-18 2361-30
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Flight Weather Briefing
DD-Form 175-1
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Property of Lear Siegler
000224
BO6 / 227
20025/+14oc
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000224
06/03/06
Property of Lear Siegler
227
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Property of Lear Siegler
B06 /227
BO6 / 227
000224
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Property of Lear Siegler
BO6 / 227
000224
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Property of Lear Siegler
BO6 / 227
000224
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Property of Lear Siegler
BO6 / 227
000224
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Property of Lear Siegler
BO6 / 227
000224
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Property of Lear SieglerProperty of Lear Siegler
BO6 / 227
000224
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Property of Lear Siegler
BO6 / 227
000224
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Property of Lear Siegler
BO6 / 227
000224
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Property of Lear Siegler
BO6 / 227
000224
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Property of Lear Siegler
BO6 / 227
000224
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Property of Lear Siegler
BO6 / 227
000224
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Property of Lear Siegler
045 20025 /+14 CX X X
X
XXX
XX
XX
HEY-MXF HEY-MXF HVY NRHEY-MXF
HEY-MXF060 110 HEY-MXF
5
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Property of Lear Siegler
MXF
BKN 050
3 18020
2999
1312
1512
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Property of Lear Siegler
1200 AJL1330 Your Signature
x
Previous edition may be used
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Safety First…
Use all resources of information in your flight planning.
“Someone is waiting back home.”
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ELY, NV
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STOPSTOP
Abandon hope all ye who enter hereAbandon hope all ye who enter here
You are entering the hidden slide ZoneYou are entering the hidden slide Zone
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