// Station · 21m ago

KGCD

Grant County Regional Airport / Ogilvie Field

CAT VFR

WIND 310° / 8 kt

VIS 10+ SM

CEILING Few/scattered only

T/Td 27.1°C / 4°C

ALTIM 29.91 inHg

ELEV 3,703 FT

44.4042°N / 118.9630°W

LOCATION · John Day, US

WIND

310°8 kt

KGCD · 3,703 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

310°/8

VIS

10+ SM

CEILING

—

LAYERS

SCT120

T / Td

27 / 4

ALTIM

29.91"

// Interpretation

VFR with moderate winds at 310°/8 kt. Visibility better than 10 statute miles and scattered at 12,000 ft. 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 KGCD 290055Z AUTO 31008KT 10SM SCT120 27/04 A2991 RMK AO2 T02710040

KGCD · day 29 at 00:55 UTC · wind from 310° at 8 kt · visibility 10+ SM · scattered layer at 12,000 ft · temp 27°C / dewpoint 4°C · altimeter 29.91" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 310° @ 8 kt

2 USABLE · 2 AVOID

WIND

310°8 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

27★ HDG 270° H6 kt X5 kt RIGHT PRIMARY · 4,100'

35 HDG 350° H6 kt X5 kt LEFT 5,224'

TAILWIND ENDS · AVOID 2 ends

09 HDG 090° T6 kt X5 kt LEFT —

17 HDG 170° T6 kt X5 kt RIGHT —

Pattern altitude: 4,703 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

6,000FT

+2,297 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV3,703 FT OAT+27°C ISA DELTA+19°C PRESSURE ALT3,709 FT

// Performance equivalent Operating here right now feels like operating at K05U (Eureka Airport, Eureka, elev 5,954 ft) on a standard ISA day.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+60%

-42%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+42%

-27%

Light jetCJ4, Phenom 300, M2

+24%

-18%

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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

SCT120

Scattered · base 12,000 ft AGL · ~3–4 oktas

// Computed

CEILING— HIGHEST LAYER12,000 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL17,390 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-8)

13:15ZSUNRISE

19:58ZSOLAR NOON

02:41ZSUNSET

03:12ZCIVIL END

CURRENT01:16Z DAYLIGHT REMAINING1h 25m VFR NIGHT BEGINS03:12Z (1h 55m) DAY LENGTH13h 26m

Waning Gibbous

ILLUMINATION99% MOONRISE02:02Z MOONSET15:28Z FULL MOON IN29 days

// Nearest reporting stations

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

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