// Station · 9m ago

K9V9

Chamberlain Municipal Airport

CAT MVFR

WIND 130° / 15 kt G22

VIS 10+ SM

CEILING BKN at 2,900 ft

T/Td 23.2°C / 18.7°C

ALTIM 29.85 inHg

ELEV 1,695 FT

43.7661°N / 99.3213°W

LOCATION · Chamberlain, US

WIND

130°15 kt

K9V9 · 1,695 FT

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

METRIC

NOW · 20Z

+6H

+12H

+18H

WIND

130°/15G22

VIS

10+ SM

CEILING

BKN029

LAYERS

SCT022 BKN029 BKN047

T / Td

23 / 19

ALTIM

29.85"

// Interpretation

MVFR — ceiling 2,900 ft. Brisk winds at 130°/15 kt, gusting 22, visibility better than 10 statute miles, scattered at 2,200 ft, broken at 2,900 ft, and broken at 4,700 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

METAR K9V9 302055Z AUTO 13015G22KT 10SM SCT022 BKN029 BKN047 23/19 A2985 RMK AO2 T02320187

K9V9 · day 30 at 20:55 UTC · wind from 130° at 15 kt, gusts to 22 kt · visibility 10+ SM · scattered layer at 2,200 ft · broken layer at 2,900 ft · broken layer at 4,700 ft · temp 23°C / dewpoint 19°C · altimeter 29.85" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 130° @ 15 ktG22

2 USABLE · 2 AVOID

WIND

130°15G22 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

13★ HDG 130° H15 kt X0 kt — PRIMARY · 4,299'

18 HDG 180° H10 kt X11 kt LEFT 3,403'

TAILWIND ENDS · AVOID 2 ends

36 HDG 360° T10 kt X11 kt RIGHT —

31 HDG 310° T15 kt X0 kt — —

Pattern altitude: 2,695 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 +12°C

3,200FT

+1,505 FT ABOVE FIELD ELEV

FIELD ELEV1,695 FT OAT+23°C ISA DELTA+12°C PRESSURE ALT1,763 FT

// Performance equivalent Operating here right now feels like operating at KRAP (Rapid City Regional Airport, Rapid City, elev 3,204 ft) on a standard ISA day.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+32%

-22%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+22%

-14%

Light jetCJ4, Phenom 300, M2

+13%

-10%

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 · 3 reported · highest to lowest

// Reported layers (highest → lowest)

BKN047

Broken · base 4,700 ft AGL · ~5–7 oktas

BKN029

Broken · base 2,900 ft AGL · ~5–7 oktas

SCT022

Scattered · base 2,200 ft AGL · ~3–4 oktas

// Computed

CEILING2,900 ft AGL HIGHEST LAYER4,700 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL13,412 ft VFR MARGIN-100 ft

// Sun & Moon · times in Z · bar = local day (UTC-7)

11:00ZSUNRISE

18:36ZSOLAR NOON

02:11ZSUNSET

02:46ZCIVIL END

CURRENT21:04Z DAYLIGHT REMAINING5h 07m VFR NIGHT BEGINS02:46Z (5h 42m) DAY LENGTH15h 10m

Full Moon

ILLUMINATION100% MOONRISE22:30Z MOONSET13:41Z FULL MOON IN1 day

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

KICR

VFR

Winner Regional Airport · Winner

WIND: 110° / 15 ktG27
VIS: 10+ SM
CEILING: BKN050
DIST: 32 NM SW
AGE: 11m ago

KMHE

VFR

Mitchell Municipal Airport · Mitchell

WIND: 130° / 15 kt
VIS: 10+ SM
CEILING: FEW024
DIST: 56 NM E
AGE: 11m ago

KPIR

VFR → MVFR 04Z

Pierre Regional Airport · Pierre

WIND: 130° / 16 ktG20
VIS: 10+ SM
CEILING: FEW039
DIST: 56 NM NW
AGE: 11m ago

KHON

VFR → MVFR 00Z

Huron Regional Airport · Huron

WIND: 140° / 6 kt
VIS: 10+ SM
CEILING: BKN100
DIST: 60 NM NE
AGE: 9m ago

KAGZ

VFR

Wagner Municipal Airport · Wagner

WIND: 130° / 16 ktG22
VIS: 10+ SM
CEILING: BKN110
DIST: 61 NM SE
AGE: 9m ago

// Area map · 80 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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