// Station · 22m ago
KGYY
Gary/Chicago International Airport
CAT VFR
WIND CALM
VIS 8.0 SM
CEILING CLR
T/Td 24°C / 16°C
ALTIM 30.00 inHg
ELEV 591 FT
41.6171°N / 87.4132°W
LOCATION · Gary, US
WIND
000°0 kt
KGYY · 591 FT
© OSM · CartoDB
// Current + 24h forecast · METAR loaded · TAF loading…
METRIC
NOW · 13Z
+6H
+12H
+18H
WIND
CALM
VIS
8.0 SM
CEILING
CLR
LAYERS
—
T / Td
24 / 16
ALTIM
30.00"
// Interpretation
VFR with winds calm. Visibility 8.0 SM and no reported cloud layers. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 SM.
Loading TAF forecast narrative…
// Want this glance-able on 10 airports? METAR Deck →// Raw observation METAR string + decoded
METAR KGYY 271350Z 00000KT 8SM CLR 24/16 A3000
KGYY · day 27 at 13:50 UTC · winds calm · visibility 8.0 SM · temp 24°C / dewpoint 16°C · altimeter 30.00" Hg
// Runway analysis · computed from current METAR wind
Wind CALM
ALL USABLE · WINDS CALM
WIND
000°calm
HEADWIND
CAUTION · HIGH XW
AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS
4 ends
12
HDG 120°
—CALM
——
8,859'
30
HDG 300°
—CALM
——
8,859'
02
HDG 020°
—CALM
——
3,604'
20
HDG 200°
—CALM
——
3,604'
Pattern altitude: 1,591 ft MSL (1,000 ft AGL).
Verify pattern direction and altitude with the chart supplement before flying.
// On calm winds (<3 kt), all runways are usable — favor the longest or whatever the pattern calls for.
// Density altitude · ISA +10°C
1,700FT
+1,109 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS
↗ +0 FT
24h AGO18h12h6hNOW
FIELD ELEV591 FT
OAT+24°C
ISA DELTA+10°C
PRESSURE ALT509 FT
// Performance equivalent
Operating here right now feels like operating at KRHI
(Rhinelander Oneida County Airport, Rhinelander, elev 1,624 ft)
on a standard ISA day.
// Aircraft performance impact
MINOR
TAKEOFF ROLL
CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+17%
-12%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+12%
-8%
Light jetCJ4, Phenom 300, M2
+7%
-5%
Approximate using ~10% perf loss / 1,000 ft DA for normally aspirated, scaled by powerplant type. Verify with your aircraft's POH for accurate numbers — especially above 5,000 ft DA where these rules of thumb diverge.
// Cloud layers · clear · no layers reported
// Sun & Moon · times in Z · bar = local day (UTC-6)
10:22ZSUNRISE
17:48ZSOLAR NOON
01:14ZSUNSET
01:47ZCIVIL END
CURRENT14:12Z
DAYLIGHT REMAINING11h 02m
VFR NIGHT BEGINS01:47Z (11h 35m)
DAY LENGTH14h 52m
Waxing Gibbous
ILLUMINATION84%
MOONRISE19:11Z
MOONSET10:04Z
FULL MOON IN4 days
// Nearest reporting stations · 5 shown · 60 NM radius
KMDW
VFR
Chicago Midway International Airport · Chicago
- WIND
- 270° / 3 kt
- VIS
- 10+ SM
- CEILING
- FEW150
- DIST
- 18 NM NW
- AGE
- 19m ago
KVPZ
VFR
Porter County Municipal Airport · Valparaiso
- WIND
- CALM
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 21 NM SE
- AGE
- 16m ago
KMGC
VFR
Michigan City Municipal Airport · Michigan City
- WIND
- CALM
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 27 NM E
- AGE
- 37m ago
KORD
VFR
Chicago O'Hare International Airport · Chicago
- WIND
- 190° / 3 kt
- VIS
- 10+ SM
- CEILING
- FEW180
- DIST
- 31 NM NW
- AGE
- 21m ago
KPWK
VFR
Chicago Executive Airport · Chicago/Prospect Heights/Wheeling
- WIND
- CALM
- VIS
- 10+ SM
- CEILING
- FEW075
- DIST
- 37 NM NW
- AGE
- 20m ago
// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay
© OpenStreetMap · CartoDB · OpenAIP
//
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