// Station · 25m ago

KRAP

Rapid City Regional Airport

CAT VFR

WIND 340° / 8 kt

VIS 10+ SM

CEILING CLR

T/Td 25.6°C / 7.2°C

ALTIM 30.22 inHg

ELEV 3,204 FT

44.0453°N / 103.0570°W

LOCATION · Rapid City, US

WIND

340°8 kt

KRAP · 3,204 FT

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

METRIC

NOW · 15Z

+6H

+12H

+18H

WIND

340°/8

VIS

10+ SM

CEILING

CLR

LAYERS

—

T / Td

26 / 7

ALTIM

30.22"

// Interpretation

VFR with moderate winds at 340°/8 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 KRAP 251552Z 34008KT 10SM CLR 26/07 A3022 RMK AO2 SLP208 T02560072

KRAP · day 25 at 15:52 UTC · wind from 340° at 8 kt · visibility 10+ SM · temp 26°C / dewpoint 7°C · altimeter 30.22" Hg · automated station w/ precipitation discriminator · sea-level pressure 1020.8 mb

// Runway analysis · computed from current METAR wind

Wind 340° @ 8 kt

2 USABLE · 2 AVOID · 1 CAUTION

WIND

340°8 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

32★ HDG 320° H8 kt X3 kt RIGHT PRIMARY · 8,701'

05 HDG 050° H3 kt X8 kt LEFT ⚠ HIGH XW · 100%

TAILWIND ENDS · AVOID 2 ends

23 HDG 230° T3 kt X8 kt RIGHT —

14 HDG 140° T8 kt X3 kt LEFT —

Pattern altitude: 4,204 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

4,900FT

+1,696 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV3,204 FT OAT+26°C ISA DELTA+16°C PRESSURE ALT2,900 FT

// Performance equivalent Operating here right now feels like operating at KDGW (Converse County Airport, Douglas, elev 4,933 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+49%

-34%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+34%

-22%

Light jetCJ4, Phenom 300, M2

+20%

-15%

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 LEVEL16,133 ft VFR MARGINunlimited

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

12:08ZSUNRISE

18:55ZSOLAR NOON

01:42ZSUNSET

02:13ZCIVIL END

CURRENT16:17Z DAYLIGHT REMAINING9h 25m VFR NIGHT BEGINS02:13Z (9h 55m) DAY LENGTH13h 33m

Waxing Gibbous

ILLUMINATION94% MOONRISE22:11Z MOONSET11:45Z 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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