// Station · 19m ago

K79S

Fort Benton Airport

CAT MVFR

WIND 010° / 13 kt G21

VIS 3.0 SM

CEILING OVC at 7,500 ft

T/Td 23.2°C / 17.6°C

ALTIM 30.11 inHg

WX +TSRA

ELEV 2,869 FT

47.8451°N / 110.6360°W

LOCATION · Fort Benton, US

WIND

010°13 kt

K79S · 2,869 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

010°/13G21

VIS

3.0 SM

CEILING

OVC075

LAYERS

SCT039 SCT060 OVC075

T / Td

23 / 18

ALTIM

30.11"

// Interpretation

MVFR — visibility 3.0 SM. Brisk winds at 010°/13 kt, gusting 21, visibility 3.0 SM, scattered at 3,900 ft, scattered at 6,000 ft, and overcast at 7,500 ft. Reported weather: +TSRA. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 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 150055Z AUTO 01013G21KT 3SM +TSRA SCT039 SCT060 OVC075 23/18 A3011 RMK AO2 RAB0042 TSB0050 P0008 T02320176 $

K79S · day 15 at 00:55 UTC · wind from 010° at 13 kt, gusts to 21 kt · visibility 3.0 SM · scattered layer at 3,900 ft · scattered layer at 6,000 ft · overcast at 7,500 ft · temp 23°C / dewpoint 18°C · altimeter 30.11" Hg · weather: +TSRA · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 010° @ 13 ktG21

2 USABLE · 2 AVOID

WIND

010°13G21 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

05★ HDG 050° H10 kt X8 kt LEFT PRIMARY · 4,300'

32 HDG 320° H8 kt X10 kt RIGHT 1,700'

TAILWIND ENDS · AVOID 2 ends

14 HDG 140° T8 kt X10 kt LEFT —

23 HDG 230° T10 kt X8 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 +14°C

4,300FT

+1,431 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -1,100 FT

24h AGO18h12h6hNOW

FIELD ELEV2,869 FT OAT+23°C ISA DELTA+14°C PRESSURE ALT2,677 FT

// Performance equivalent Operating here right now feels like operating at KHWQ (Wheatland County Airport at Harlowton, Harlowton, elev 4,311 ft) on a standard ISA day.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+43%

-30%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+30%

-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.

// Cloud layers · 3 reported · highest to lowest

// Reported layers (highest → lowest)

OVC075

Overcast · base 7,500 ft AGL · 8 oktas

SCT060

Scattered · base 6,000 ft AGL · ~3–4 oktas

SCT039

Scattered · base 3,900 ft AGL · ~3–4 oktas

// Computed

CEILING7,500 ft AGL HIGHEST LAYER7,500 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL14,586 ft VFR MARGIN+4,500 ft

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

11:39ZSUNRISE

19:29ZSOLAR NOON

03:19ZSUNSET

03:58ZCIVIL END

CURRENT01:14Z DAYLIGHT REMAINING2h 05m VFR NIGHT BEGINS03:58Z (2h 44m) DAY LENGTH15h 40m

New Moon

ILLUMINATION0% MOONRISE11:52Z MOONSET03:32Z FULL MOON IN15 days

// Nearest reporting stations · 5 shown · 100 NM (sparse area)

KGFA

VFR

Malmstrom Air Force Base · Great Falls

WIND: 360° / 15 kt
VIS: 10+ SM
CEILING: FEW095
DIST: 30 NM SW
AGE: 19m ago

KGTF

VFR → MVFR 08Z

Great Falls International Airport · Great Falls

WIND: 330° / 16 ktG28
VIS: 10+ SM
CEILING: FEW110
DIST: 37 NM SW
AGE: 21m ago

KHVR

VFR → MVFR 13Z

Havre City County Airport · Havre

WIND: 010° / 11 kt
VIS: 10+ SM
CEILING: OVC100
DIST: 54 NM NE
AGE: 21m ago

KSBX

VFR

Shelby Airport · Shelby

WIND: 350° / 16 kt
VIS: 10+ SM
CEILING: CLR
DIST: 65 NM NW
AGE: 19m ago

KCTB

VFR

Cut Bank International Airport · Cut Bank

WIND: 320° / 10 kt
VIS: 10+ SM
CEILING: OVC110
DIST: 83 NM NW
AGE: 18m ago

// Area map · 100 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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