National Weather Service Tactical Decision Aid(TDA) for
Chicago O'Hare International Airport

Based on 12Z TAF last updated @ 1131Z
This page will auto refresh every 5 minutes.
Last refreshed on Thursday , November 26, 2009 @ 12:32Z
Enter 3 Letter ICAO Station Identifier Below:

K
NOAA
CURRENT 12 HOUR FORECAST
OBS.
1151 Z 12 Z 13 Z 14 Z 15 Z 16 Z 17 Z 18 Z 19 Z 20 Z 21 Z 22 Z 23 Z
CIG PREVAILING 009 010 010 010 015 015 015 025 025 025 025 025 025
TEMPO 008 008 008
VSBY PREVAILING 4SM
BR
P6SM P6SM P6SM P6SM P6SM P6SM P6SM P6SM P6SM P6SM P6SM P6SM
TEMPO 2SM
BR
2SM
BR
2SM
BR
PCPN PREVAILING -SN -RA -RA -RA -DZ -DZ -DZ
TEMPO -RASN -RASN -RASN
WIND PREVAILING 270°
08KT
250°
12KT
250°
12KT
250°
12KT
300°
12KT
300°
12KT
300°
12KT
310°
15KT
310°
15KT
310°
15KT
310°
15KT
310°
15KT
310°
15KT
GUSTGKTG22KTG22KTG22KTG25KTG25KTG25KTG25KTG25KTG25KT
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 261051 Z0108SM-RA250°
09KT
G
November 260951 Z01010SM-RA250°
08KT
G
November 260851 Z01010SM-RA240°
09KT
G

PREVIOUS 24 HOUR OBSERVATIONS

TAF for: KORD Radar Link
000
FTUS43 KLOT 261100
TAFORD
TAF
KORD 261131Z 2612/2718 25012KT P6SM -RA BKN010 OVC015
      TEMPO 2612/2615 2SM -RASN BR OVC008
     FM261500 30012G22KT P6SM -DZ SCT009 OVC015
     FM261800 31015G25KT P6SM SCT015 OVC025
     FM270100 30012G18KT P6SM SCT030
     FM270400 29012KT P6SM SCT250=
WFO Chicago, IL
Link to Doppler Radar for WFO Chicago, IL
Hourly METAR for: KORD
KORD 261151Z 27008KT 4SM -SN BR SCT006 BKN009 OVC024 01/00 A2971 RMK AO2 RAE19SNB19 SLP064 P0004 60009 70019 T00110000 10028 20011 56001 $

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.

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