// Station · 8m ago

K79S

Fort Benton Airport

CAT VFR

WIND 200° / 5 kt

VIS 10+ SM

CEILING CLR

T/Td 24.9°C / 8.8°C

ALTIM 29.81 inHg

ELEV 2,869 FT

47.8451°N / 110.6360°W

LOCATION · Fort Benton, US

WIND

200°5 kt

K79S · 2,869 FT

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

METRIC

NOW · 03Z

+6H

+12H

+18H

WIND

200°/5

VIS

10+ SM

CEILING

CLR

LAYERS

—

T / Td

25 / 9

ALTIM

29.81"

// Interpretation

VFR with light winds at 200°/5 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 K79S 290315Z AUTO 20005KT 10SM CLR 25/09 A2981 RMK AO2 T02490088 $

K79S · day 29 at 03:15 UTC · wind from 200° at 5 kt · visibility 10+ SM · temp 25°C / dewpoint 9°C · altimeter 29.81" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 200° @ 5 kt

2 USABLE · 2 AVOID

WIND

200°5 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

23★ HDG 230° H4 kt X2 kt LEFT PRIMARY · 4,300'

14 HDG 140° H3 kt X4 kt RIGHT 1,700'

TAILWIND ENDS · AVOID 2 ends

32 HDG 320° T2 kt X4 kt LEFT —

05 HDG 050° T4 kt X2 kt RIGHT —

Pattern altitude: 3,869 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

+2,031 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV2,869 FT OAT+25°C ISA DELTA+16°C PRESSURE ALT2,976 FT

// Performance equivalent Operating here right now feels like operating at K7S1 (Ruby Valley Field, Twin Bridges, elev 4,777 ft) on a standard ISA day.

// Aircraft performance impact SIGNIFICANT

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 LEVEL15,445 ft VFR MARGINunlimited

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

12:36ZSUNRISE

19:25ZSOLAR NOON

02:13ZSUNSET

02:46ZCIVIL END

CURRENT03:23Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS02:46Z (past) DAY LENGTH13h 36m

Waning Gibbous

ILLUMINATION99% MOONRISE01:28Z MOONSET15:05Z FULL MOON IN28 days

// Nearest reporting stations

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

AIRSPACE

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