AIRWAYS AND TERMINAL FORECAST
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MAY 17, 2012
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| FBPH:
161800Z
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| AWYS AND TRML FCST VALID BEGINNING :
170800H UNTIL 180800H
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| SYN SITUATION: |
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TAIL-END OF A COLD FRONT AFFECTING NRN LUZON PD INTERTROPICAL CONVERGENCE
ZONE (ITCZ) AFFECTING MINDANAO PD MOD PRES GRAD ASSW MOD TO STRNG SWLY
TO SLY SFC WNDFLOW PREVAILING OVR THE WRN SECTIONS LUZON BECMG LGT
TO MOD SELY TO SLY OVR THE REST OF THE FCST AREA PD
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| PHIL AWYS: |
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FEW TO SCT CU SC BASES 300M/1000FT TO 360M/1200FT TOPS 570M/1900FT TO 780M/2600FT ASSW
FEW TO SCT TCU/CB BASES FRM 270M/900FT TO 330M/1100FT TOPS 6900M/23000FT TO 14700M/49000FT
SCT TO BKN AS/AC BASES 1980M/6600FT TO 2460M/8200FT T0PS 4500M/15000FT TO 5400M/18000FT SCT
TO OVC CI/CS 9600M/32000FT AND ABV ALL HTS FRM MSL PD WX MOSTLY CLDY SKIES W/ SCT SHRA AND
TS OVR NRN AND CNTRL LUZON AND MINDANAO WHILE CLDY W/ WIDESPREAD RAINS W/C MAY TRIGGER FLASHFLOODS
AND LANDSLIDES OVR XTRM NRN LUZON BECMG PARTLY CLDY TO CLDY SKIES W/ ISOL SHRA/TS MOSTLY IN
THE AFTN OR EVENING OVR THE REST OF THE COUNTRY PD
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WINDS ALOFT: (All speed in KT/KMH)
| 3000M/10000FT:
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240DEG10KT/20KMH OVR XTRM NRN LUZON 200DEG10KT/20KMH OVR NRN LUZON
160DEG10KT/20KMH OVR THE REST OF LUZON 080DEG10KT/20KMH OVR WRN VISAYAS
090DEG10KT/20KMH OVR REST OF VISAYAS 100DEG15KT/30KMH OVR MINDANAO
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| 5400M/18000FT:
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270DEG20KT/40KMH OVR XTRM NRN LUZON 270DEG10KT/20KMH OVR NRN LUZON
100DEG05KT/10KMH OVR REST OF LUZON 090DEG15KT/30KMH OVR XTRM WRN VISAYAS
090DEG20KT/40KMH OVR WRN VISAYAS 100DEG20KT/40KMH OVR REST OF VISAYAS
100DEG20KT/40KMH OVR MINDANAO
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| 9000M/30000FT:
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250DEG10KT/20KMH OVR XTRM NRN LUZON 020DEG10KT/20KMH OVR NRN LUZON
050DEG20KT/40KMH OVR REST OF LUZON 080DEG15KT/30KMH OVR XTRM WRN VISAYAS
090DEG20KT/40KMH OVR WRN VISAYAS 070DEG20KT/40KMH OVR REST OF VISAYAS
080DEG15KT/30KMH OVR XTRM WRN MINDANAO 090DEG20/40KMH OVR SRN MINDANAO
080DEG10KT/20KMH OVR REST OF MINDANAO
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| 11700M/39000FT:
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340DEG05KT/10KMH OVR XTRM NRN LUZON 020DEG25KT/50KMH OVR NRN LUZON
050DEG25KT/40KMH OVR REST OF LUZON 070DEG30KT/60KMH OVR XTRM WRN
AND WRN VISAYAS 070DEG25KT/50KMH OVR REST OF VISAYAS 090DEG25KT/50KMH
OVR SRN MINDANAO 100DEG20KT/40KMH OVR REST OF MINDANAO
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MULTI-LEVEL 30-HR PROG CHARTS VALID UNTIL 0000UTC 18 MAY 2012
(Courtesy of WAFC, Washington)
700hPa Prog Chart
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500hPa Prog Chart
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300hPa Prog Chart
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200hPa Prog Chart
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RPUO RPLI RPLW RPUQ RPUT RPUA RPLB RPLC RPLJ RPLL RPLN RPLP RPLS RPLQ RPLU RPLV RPLW RPLX
RPLY RPLZ RPUA RPUB RPUC RPUD RPUE RPUF RPUG RPUH RPUI RPUJ RPUK RPUL RPUM RPUN RPUP RPUR
RPUS RPUU RPUV RPUW RPUX RPUY RPVA RPVB RPVC RPVD RPVE RPVF RPVG RPVH RPVI RPVJ RPVK RPVL
RPVM RPVN RPVO RPVP RPVR RPVS RPVT RPVU RPVV RPMA RPMB RPMC RPMD RPME RPMF RPMG RPMH RPMI
RPMJ RPMK RPML RPMN RPMO RPMP RPMQ RPMR RPMS RPMT RPMW RPMY RPMZ TRMLS : CIG 2760M/9200FT
OCNLY LWRG TO 2370M/7900FT OR LESS IN ISOL SHRA AND TS LWRG TO 2070M/6900FT OR LESS IN SCT
SHRA AND TS PD VIS 10KMS LWRG TO 7KMS OR LESS IN LGT TO MOD PCPN LWRG FURTHER TO 5KMS TO
3KMS OR LESS IN MOD TO HVY PCPN OR THICK MRNG HZ PD SFC WNDS SWLY TO SLY OVR WRN LUZON
AT 20KMH TO 30KMH W/ GUSTS OF UP TO 60KMH DURING TS BECMG SELY TO SLY OVR THE OF THE FCST
AREA AT 10KMH TO 20KMH W/ GUSTS OF UP TO 40KMH DURING TS PD
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AGP/CHH/MCM
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