National Weather Service Tactical Decision Aid(TDA) for
Portland International Airport

Based on 0Z TAF last updated @ 2327Z
This page will auto refresh every 5 minutes.
Last refreshed on Friday , November 27, 2009 @ 0:30Z
Enter 3 Letter ICAO Station Identifier Below:

K
NOAA
CURRENT 12 HOUR FORECAST
OBS.
2353 Z 00 Z 01 Z 02 Z 03 Z 04 Z 05 Z 06 Z 07 Z 08 Z 09 Z 10 Z 11 Z
CIG PREVAILING 003 015 015 015 015 025 025 025 025 025 025 025 025
TEMPO 004 004 004 004 012 012 012 012
VSBY PREVAILING 10SM 6SM
BR		 6SM
BR		 6SM
BR		 6SM
BR		 6SM 6SM 6SM 6SM 6SM
BR		 6SM
BR		 P6SM P6SM
TEMPO 3SM
BR		 3SM
BR		 3SM
BR		 3SM
BR		 4SM
BR		 4SM
BR		 4SM
BR		 4SM
BR
PCPN PREVAILING -RA -RA -RA -RA -RA -RA -RA -RA -RA -RA -RA -SHRA -SHRA
TEMPO -RA -RA -RA -RA RA RA RA RA
WIND PREVAILING 110°
07KT		 100°
06KT		 100°
06KT		 100°
06KT		 100°
06KT		 110°
07KT		 110°
07KT		 110°
07KT		 110°
07KT		 210°
09KT		 210°
09KT		 320°
09KT		 320°
09KT
TEMPO
CEILING VISIBILITY PRECIPITATION WIND
     VFR
Cigs. > 3000 Ft.		      VFR
Vsby. > 5SM		      NONE      0-9KT
     MVFR
Cigs. 1000 Ft.-3000 Ft.		      MVFR
Vsby. 3-5SM		      RAIN      10-14KT
     IFR
Cigs. 500 Ft. - < 1000 Ft.		      IFR
Vsby. 1 - < 3SM		      SNOW      15-19KT
     LIFR
Cigs. < 500 Ft.		      LIFR
Vsby. < 1SM		      TSRA      20-24KT
   FZ
  		      > 24KT

Click button below to customize Cig., Vsby. and Wind Parameters for site: K

PREVIOUS 3 HOUR OBSERVATIONS

DAYTIMECIG.VSBY.PCPN.Wind
November 262253 Z0046SM
BR		-RA090°
05KT
November 262153 Z0042SM
BR		-RA090°
07KT
November 262053 Z0044SM
BR		-RA130°
05KT

PREVIOUS 24 HOUR OBSERVATIONS
TAF for: KPDX Radar Link 
000
FTUS46 KPQR 262300
TAFPDX
TAF
KPDX 262327Z 2700/2724 10006KT 6SM -RA BR SCT005 OVC015
      TEMPO 2700/2704 3SM -RA BR BKN004
     FM270400 11007KT 6SM -RA SCT015 BKN025 OVC040
      TEMPO 2704/2708 4SM RA BR OVC012
     FM270800 21009KT 6SM -RA BR BKN025 OVC035
     FM271000 32009KT P6SM -SHRA BKN025 OVC045
     FM271900 32008KT P6SM SCT025 BKN045 OVC060=
WFO Portland, OR
Link to Doppler Radar for WFO Portland, OR
Hourly METAR for: KPDX
KPDX 262353Z 11007KT 10SM -RA BKN003 BKN032 OVC075 08/08 A2993 RMK AO2 SLP133 P0008 60045 T00830078 10083 20072 56028

Note: If you notice any problems/bugs please send an email to eric.avila@noaa.gov. Please include the current TAF and Observation in which you noticed the problem for recreating purposes. I also welcome comments/suggestions.

Alaska TDA

Puerto Rico TDA