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// Station · 12m ago

KHSV

Huntsville International Airport
CAT MVFR
WIND 140° / 6 kt
VIS 10+ SM
CEILING OVC at 1,400 ft
T/Td 21.7°C / 21.1°C
ALTIM 30.02 inHg
ELEV 629 FT
34.6362°N / 86.7744°W
LOCATION · Huntsville, US
N
WIND
140°6 kt
KHSV · 629 FT
© OSM · CartoDB

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

METRIC
NOW · 09Z
+6H
+12H
+18H
WIND
140°/6
 
 
 
VIS
10+ SM
 
 
 
CEILING
OVC014
 
 
 
LAYERS
OVC014
 
 
 
T / Td
22 / 21
 
 
 
ALTIM
30.02"
 
 
 

// Interpretation

MVFR — ceiling 1,400 ft. Light winds at 140°/6 kt, visibility better than 10 statute miles, overcast at 1,400 ft. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

Loading TAF forecast narrative…

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

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// Raw observation METAR string + decoded

SPECI KHSV 270939Z AUTO 14006KT 10SM OVC014 22/21 A3002 RMK AO2 T02170211 $

KHSV · day 27 at 09:39 UTC · wind from 140° at 6 kt · visibility 10+ SM · overcast at 1,400 ft · temp 22°C / dewpoint 21°C · altimeter 30.02" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 140° @ 6 kt
2 USABLE · 2 AVOID
N
WIND
140°6 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
18L HDG 180° H5 kt X4 kt LEFT PRIMARY · 10,001'
18R HDG 180° H5 kt X4 kt LEFT 12,600'
TAILWIND ENDS · AVOID 2 ends
36R HDG 360° T5 kt X4 kt RIGHT
36L HDG 360° T5 kt X4 kt RIGHT
Pattern altitude: 1,629 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 +8°C

1,500FT
+871 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +0 FT
2,300 1,750 1,200
24h AGO18h12h6hNOW
FIELD ELEV629 FT OAT+22°C ISA DELTA+8°C PRESSURE ALT526 FT
// Performance equivalent Operating here right now feels like operating at KTRI (Tri-Cities Regional TN/VA Airport, Blountville, elev 1,519 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+15%
-11%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+11%
-7%
Light jetCJ4, Phenom 300, M2
+6%
-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 · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 11,589 FT OVC014 · CEILING KHSV ELEV · 629 FT
// Reported layers (highest → lowest)
OVC014
Overcast · base 1,400 ft AGL · 8 oktas
// Computed
CEILING1,400 ft AGL HIGHEST LAYER1,400 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL11,589 ft VFR MARGIN-1,600 ft

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

10:38ZSUNRISE
17:45ZSOLAR NOON
00:52ZSUNSET
01:21ZCIVIL END
CURRENT09:51Z DAYLIGHT REMAINING15h 01m VFR NIGHT BEGINS01:21Z (15h 30m) DAY LENGTH14h 14m
Waxing Gibbous
ILLUMINATION82% MOONRISE19:19Z MOONSET09:33Z FULL MOON IN4 days

// Nearest reporting stations · 5 shown · 100 NM (sparse area)

// Area map · 100 NM radius · CartoDB Dark Matter + aeronautical overlay

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