// Station · 9m ago

KPIR

Pierre Regional Airport

CAT VFR

WIND 310° / 12 kt

VIS 10+ SM

CEILING CLR

T/Td 27.2°C / 11.7°C

ALTIM 30.10 inHg

ELEV 1,744 FT

44.3827°N / 100.2860°W

LOCATION · Pierre, US

WIND

310°12 kt

KPIR · 1,744 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

310°/12

VIS

10+ SM

CEILING

CLR

LAYERS

—

T / Td

27 / 12

ALTIM

30.10"

// Interpretation

VFR with moderate winds at 310°/12 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…

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

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// Raw observation METAR string + decoded

METAR KPIR 251653Z AUTO 31012KT 10SM CLR 27/12 A3010 RMK AO2 SLP177 T02720117

KPIR · day 25 at 16:53 UTC · wind from 310° at 12 kt · visibility 10+ SM · temp 27°C / dewpoint 12°C · altimeter 30.10" Hg · automated station w/ precipitation discriminator · sea-level pressure 1017.7 mb

// Runway analysis · computed from current METAR wind

Wind 310° @ 12 kt

2 USABLE · 2 AVOID · 1 CAUTION

WIND

310°12 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

31★ HDG 310° H12 kt X0 kt — PRIMARY · 6,900'

25 HDG 250° H6 kt X10 kt RIGHT ⚠ HIGH XW · 83%

TAILWIND ENDS · AVOID 2 ends

07 HDG 070° T6 kt X10 kt LEFT —

13 HDG 130° T12 kt X0 kt — —

Pattern altitude: 2,744 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 +15°C

3,400FT

+1,656 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV1,744 FT OAT+27°C ISA DELTA+15°C PRESSURE ALT1,561 FT

// Performance equivalent Operating here right now feels like operating at KIEN (Pine Ridge Airport, Pine Ridge, elev 3,333 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+34%

-24%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+24%

-15%

Light jetCJ4, Phenom 300, M2

+14%

-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. 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

// Reported layers (highest → lowest)

CLR

No reported cloud layers — clear sky from surface to reporting ceiling.

// Computed

CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL15,481 ft VFR MARGINunlimited

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

11:57ZSUNRISE

18:44ZSOLAR NOON

01:32ZSUNSET

02:02ZCIVIL END

CURRENT17:02Z DAYLIGHT REMAINING8h 29m VFR NIGHT BEGINS02:02Z (9h 00m) DAY LENGTH13h 35m

Waxing Gibbous

ILLUMINATION94% MOONRISE22:01Z MOONSET11:36Z FULL MOON IN2 days

// Nearest reporting stations

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

AIRSPACE

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