// Station · 10m ago
KM21
Muhlenberg County Airport
CAT VFR
WIND 060° / 3 kt
VIS 10+ SM
CEILING CLR
T/Td 30.8°C / 23°C
ALTIM 30.06 inHg
ELEV 422 FT
37.2260°N / 87.1570°W
LOCATION · Greenville, US
WIND
060°3 kt
KM21 · 422 FT
© OSM · CartoDB
// Current + 24h forecast · METAR loaded · TAF loading…
METRIC
NOW · 22Z
+6H
+12H
+18H
WIND
060°/3
VIS
10+ SM
CEILING
CLR
LAYERS
—
T / Td
31 / 23
ALTIM
30.06"
// Interpretation
VFR with light winds at 060°/3 kt. Visibility better than 10 statute miles 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 KM21 142255Z AUTO 06003KT 10SM CLR 31/23 A3006 RMK AO2 T03080230
KM21 · day 14 at 22:55 UTC · wind from 060° at 3 kt · visibility 10+ SM · temp 31°C / dewpoint 23°C · altimeter 30.06" Hg · automated station w/ precipitation discriminator
// Runway analysis · computed from current METAR wind
Wind 060° @ 3 kt
ALL USABLE · WINDS CALM
WIND
060°3 kt
HEADWIND
CAUTION · HIGH XW
AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS
2 ends
05
HDG 050°
—CALM
——
5,000'
23
HDG 230°
—CALM
——
5,000'
Pattern altitude: 1,422 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 +16°C
2,200FT
+1,778 FT ABOVE FIELD ELEV
FIELD ELEV422 FT
OAT+31°C
ISA DELTA+16°C
PRESSURE ALT280 FT
// Performance equivalent
Operating here right now feels like operating at KAVL
(Asheville Regional Airport, Asheville, elev 2,165 ft)
on a standard ISA day.
// Aircraft performance impact
MINOR
TAKEOFF ROLL
CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+22%
-15%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+15%
-10%
Light jetCJ4, Phenom 300, M2
+9%
-7%
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)
10:40ZSUNRISE
17:55ZSOLAR NOON
01:10ZSUNSET
01:40ZCIVIL END
CURRENT23:05Z
DAYLIGHT REMAINING2h 05m
VFR NIGHT BEGINS01:40Z (2h 35m)
DAY LENGTH14h 30m
New Moon
ILLUMINATION0%
MOONRISE10:48Z
MOONSET01:18Z
FULL MOON IN15 days
// Nearest reporting stations · 5 shown · 60 NM radius
K2I0
VFR
Madisonville Regional Airport · Madisonville
- WIND
- 060° / 5 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 14 NM NW
- AGE
- 10m ago
KHVC
VFR
Hopkinsville Christian County Airport · Hopkinsville
- WIND
- 060° / 7 kt
- VIS
- 10+ SM
- CEILING
- FEW070
- DIST
- 26 NM SW
- AGE
- 10m ago
KOWB
VFR
Owensboro Daviess County Airport · Owensboro
- WIND
- 060° / 9 kt
- VIS
- 10+ SM
- CEILING
- SCT046
- DIST
- 31 NM N
- AGE
- 9m ago
KCKV
VFR
Clarksville–Montgomery County Regional Airport · Clarksville
- WIND
- CALM
- VIS
- 10+ SM
- CEILING
- FEW043
- DIST
- 38 NM S
- AGE
- 13m ago
KBWG
VFR
Bowling Green Warren County Regional Airport · Bowling Green
- WIND
- 060° / 7 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 39 NM SE
- AGE
- 12m ago
// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay
© OpenStreetMap · CartoDB · OpenAIP
//
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