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// Station · 22m ago

KMDQ

Madison County Executive Airport-Tom Sharp Jr Field
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 24.9°C / 19.9°C
ALTIM 30.04 inHg
ELEV 756 FT
34.8614°N / 86.5575°W
LOCATION · Huntsville, US
N
WIND
calm
KMDQ · 756 FT
© OSM · CartoDB

// Current + 24h forecast · METAR loaded · TAF loading…

METRIC
NOW · 00Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
25 / 20
 
 
 
ALTIM
30.04"
 
 
 

// Interpretation

VFR with winds calm. 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…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR KMDQ 290055Z AUTO 10SM CLR 25/20 A3004 RMK A02 T02490199

KMDQ · day 29 at 00:55 UTC · winds calm · visibility 10+ SM · temp 25°C / dewpoint 20°C · altimeter 30.04" Hg

// Runway analysis · computed from current METAR wind

Wind CALM
ALL USABLE · WINDS CALM
N
WIND
CALMcalm
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 2 ends
18 HDG 180° CALM 6,500'
36 HDG 360° CALM 6,500'
Pattern altitude: 1,756 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 +11°C

2,000FT
+1,244 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV756 FT OAT+25°C ISA DELTA+11°C PRESSURE ALT632 FT
// Performance equivalent Operating here right now feels like operating at KUOS (Franklin County Airport, Sewanee, elev 1,953 ft) on a standard ISA day.
// Aircraft performance impact MODERATE
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+20%
-14%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+14%
-9%
Light jetCJ4, Phenom 300, M2
+8%
-6%

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. Severity rating assumes a standard altimeter setting (29.92" Hg / 1013 hPa); a non-standard setting shifts the effective altitude by roughly 1,000 ft per 1" Hg of deviation.

// Cloud layers · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 13,332 FT KMDQ ELEV · 756 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL13,332 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-6)

11:17ZSUNRISE
17:48ZSOLAR NOON
00:20ZSUNSET
00:46ZCIVIL END
CURRENT01:17Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS00:46Z (past) DAY LENGTH13h 02m
Waning Gibbous
ILLUMINATION99% MOONRISE00:04Z MOONSET13:07Z FULL MOON IN29 days

// Nearest reporting stations

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// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay

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