// Station · 55m ago
KDEC
Decatur Airport
CAT VFR
WIND CALM
VIS 10+ SM
CEILING OVC at 11,000 ft
T/Td 19.4°C / 15.6°C
ALTIM 29.94 inHg
ELEV 682 FT
39.8346°N / 88.8657°W
LOCATION · Decatur, US
WIND
—calm
KDEC · 682 FT
© OSM · CartoDB
// Current + 24h forecast · METAR loaded · TAF loading…
METRIC
NOW · 08Z
+6H
+12H
+18H
WIND
CALM
VIS
10+ SM
CEILING
OVC110
LAYERS
OVC110
T / Td
19 / 16
ALTIM
29.94"
// Interpretation
VFR — ceiling 11,000 ft. Winds calm, visibility better than 10 statute miles, overcast at 11,000 ft. 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 KDEC 270854Z AUTO 10SM OVC110 19/16 A2994 RMK AO2 SLP135 T01940156 55004
KDEC · day 27 at 08:54 UTC · winds calm · visibility 10+ SM · overcast at 11,000 ft · temp 19°C / dewpoint 16°C · altimeter 29.94" Hg · automated station w/ precipitation discriminator · sea-level pressure 1013.5 mb
// Runway analysis · computed from current METAR wind
Wind CALM
ALL USABLE · WINDS CALM
WIND
CALMcalm
HEADWIND
CAUTION · HIGH XW
AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS
6 ends
06
HDG 060°
—CALM
——
8,496'
24
HDG 240°
—CALM
——
8,496'
12
HDG 120°
—CALM
——
6,799'
30
HDG 300°
—CALM
——
6,799'
18
HDG 180°
—CALM
——
5,298'
36
HDG 360°
—CALM
——
5,298'
Pattern altitude: 1,682 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 +6°C
1,300FT
+618 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS
↗ +600 FT
24h AGO18h12h6hNOW
FIELD ELEV682 FT
OAT+19°C
ISA DELTA+6°C
PRESSURE ALT659 FT
// Performance equivalent
Operating here right now feels like operating at KBMI
(Central Illinois Regional Airport at Bloomington-Normal, Bloomington/Normal, elev 871 ft)
on a standard ISA day.
// Aircraft performance impact
MINOR
TAKEOFF ROLL
CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+13%
-9%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+9%
-6%
Light jetCJ4, Phenom 300, M2
+5%
-4%
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 · 1 reported · highest to lowest
// Sun & Moon · times in Z · bar = local day (UTC-6)
10:33ZSUNRISE
17:54ZSOLAR NOON
01:14ZSUNSET
01:46ZCIVIL END
CURRENT09:49Z
DAYLIGHT REMAINING15h 25m
VFR NIGHT BEGINS01:46Z (15h 57m)
DAY LENGTH14h 41m
Waxing Gibbous
ILLUMINATION82%
MOONRISE19:13Z
MOONSET09:55Z
FULL MOON IN4 days
// Nearest reporting stations · 5 shown · 100 NM (sparse area)
KCMI
VFR
University of Illinois Willard Airport · Savoy
- WIND
- 050° / 7 kt
- VIS
- 10+ SM
- CEILING
- BKN035
- DIST
- 30 NM NE
- AGE
- 56m ago
KSPI
VFR
Abraham Lincoln Capital Airport · Springfield
- WIND
- 350° / 4 kt
- VIS
- 10+ SM
- CEILING
- FEW120
- DIST
- 37 NM W
- AGE
- 57m ago
KBMI
VFR
Central Illinois Regional Airport at Bloomington-Normal · Bloomington/Normal
- WIND
- 010° / 5 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 39 NM N
- AGE
- 53m ago
KPIA
VFR
General Wayne A. Downing Peoria International Airport · Peoria
- WIND
- CALM
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 63 NM NW
- AGE
- 55m ago
KHUF
MVFR
→
VFR
20Z
Terre Haute Regional Airport, Hulman Field · Terre Haute
- WIND
- 140° / 4 kt
- VIS
- 10+ SM
- CEILING
- BKN013
- DIST
- 76 NM E
- AGE
- 10m ago
// Area map · 80 NM radius · CartoDB Dark Matter + aeronautical overlay
© OpenStreetMap · CartoDB · OpenAIP
//
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