// Station · 31m ago

K98D

Onida Municipal Airport

CAT VFR

WIND 100° / 9 kt

VIS 10+ SM

CEILING CLR

T/Td 30°C / 21°C

ALTIM 29.82 inHg

ELEV 1,874 FT

44.7008°N / 100.1010°W

LOCATION · Onida, US

WIND

100°9 kt

K98D · 1,874 FT

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

METRIC

NOW · 22Z

+6H

+12H

+18H

WIND

100°/9

VIS

10+ SM

CEILING

CLR

LAYERS

—

T / Td

30 / 21

ALTIM

29.82"

// Interpretation

VFR with moderate winds at 100°/9 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 K98D 282235Z AUTO 10009KT 10SM CLR 30/21 A2982 RMK AO2

K98D · day 28 at 22:35 UTC · wind from 100° at 9 kt · visibility 10+ SM · temp 30°C / dewpoint 21°C · altimeter 29.82" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 100° @ 9 kt

2 USABLE · 2 AVOID

WIND

100°9 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

08★ HDG 080° H8 kt X3 kt RIGHT PRIMARY · 2,160'

13 HDG 130° H8 kt X4 kt LEFT 3,800'

TAILWIND ENDS · AVOID 2 ends

26 HDG 260° T8 kt X3 kt LEFT —

31 HDG 310° T8 kt X5 kt RIGHT —

Pattern altitude: 2,874 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 +19°C

4,200FT

+2,326 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV1,874 FT OAT+30°C ISA DELTA+19°C PRESSURE ALT1,972 FT

// Performance equivalent Operating here right now feels like operating at KSPF (Black Hills Airport-Clyde Ice Field, Spearfish, elev 3,931 ft) on a standard ISA day.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+42%

-29%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+29%

-19%

Light jetCJ4, Phenom 300, M2

+17%

-13%

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 LEVEL17,026 ft VFR MARGINunlimited

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

11:59ZSUNRISE

18:43ZSOLAR NOON

01:26ZSUNSET

01:57ZCIVIL END

CURRENT23:06Z DAYLIGHT REMAINING2h 20m VFR NIGHT BEGINS01:57Z (2h 51m) DAY LENGTH13h 27m

Full Moon

ILLUMINATION99% MOONRISE00:42Z MOONSET14:09Z FULL MOON IN29 days

// Nearest reporting stations

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

AIRSPACE

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