		Tactical Decision Aid(TDA) for Gary/Chicago Airport Based on 18Z TAF last updated @ 1928Z This page will auto refresh every 5 minutes. Last refreshed on Thursday , November 26, 2009 @ 22:45Z Enter 3 Letter ICAO Station Identifier Below: K

CURRENT

12 HOUR FORECAST

OBS.

2145 Z

22 Z

23 Z

00 Z

01 Z

02 Z

03 Z

04 Z

05 Z

06 Z

07 Z

08 Z

09 Z

CIG

PREVAILING

022

020

UNL

TEMPO

VSBY

PREVAILING

10SM

P6SM

TEMPO

PCPN

PREVAILING

TEMPO

WIND

PREVAILING

290°
18KT

300°
15KT

290°
12KT

GUST

G28KT

G25KT

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

> 24KT

PREVIOUS 3 HOUR OBSERVATIONS

DAY

TIME

CIG.

VSBY.

PCPN.

Wind

Gust

November 26

2045 Z

020

10SM

290°
17KT

G30

November 26

1945 Z

020

10SM

290°
18KT

G25

November 26

1845 Z

020

10SM

290°
17KT

G25

PREVIOUS 24 HOUR OBSERVATIONS

TAF for: KGYY

Radar Link

000
FTUS43 KLOT 261900 AAA
TAFGYY
TAF AMD
KGYY 261928Z 2619/2718 29012G22KT 6SM -RA OVC020
     FM262000 30015G25KT P6SM OVC020
     FM270300 29012KT P6SM SCT250
     FM271200 31007KT P6SM SCT250
      AMD NOT SKED 2704/2712=

WFO Chicago, IL

Hourly METAR for: KGYY

KGYY 262145Z 29018G28KT 10SM OVC022 05/01 A2987

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.

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

PREVIOUS 3 HOUR OBSERVATIONS

PREVIOUS 24 HOUR OBSERVATIONS

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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