// Station · 10m ago

CYSM

Fort Smith Airport

CAT VFR

WIND VRB / 2 kt

VIS 10+ SM

CEILING Few/scattered only

T/Td 14°C / 9°C

ALTIM 29.78 inHg

ELEV 671 FT

60.0203°N / 111.9620°W

LOCATION · Fort Smith, CA

WIND

VRB2 kt

CYSM · 671 FT

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

METRIC

NOW · 13Z

+6H

+12H

+18H

WIND

VRB/2

VIS

10+ SM

CEILING

—

LAYERS

FEW260

T / Td

14 / 9

ALTIM

29.78"

// Interpretation

VFR with light winds at variable/2 kt. Visibility better than 10 statute miles and a few at 26,000 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 CYSM 111300Z VRB02KT 15SM FEW260 14/09 A2978 RMK CI1 CI TR SLP092 DENSITY ALT 900FT

CYSM · day 11 at 13:00 UTC · wind variable at 2 kt · visibility 10+ SM · a few clouds at 26,000 ft · temp 14°C / dewpoint 9°C · altimeter 29.78" Hg · sea-level pressure 1009.2 mb

// Runway analysis · computed from current METAR wind

Wind VRB @ 2 kt

ALL USABLE · WINDS CALM

WIND

VRB2 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

12 HDG 120° —CALM —— 6,000'

30 HDG 300° —CALM —— 6,000'

03 HDG 030° —CALM —— 1,800'

21 HDG 210° —CALM —— 1,800'

Pattern altitude: 1,671 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 +1°C

900FT

+229 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -300 FT

24h AGO18h12h6hNOW

FIELD ELEV671 FT OAT+14°C ISA DELTA+1°C PRESSURE ALT810 FT

// Performance equivalent Operating here right now feels like operating at CEM3 (Whatì Airport, Whatì, elev 882 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+9%

-6%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+6%

-4%

Light jetCJ4, Phenom 300, M2

+4%

-3%

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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

FEW260

Few · base 26,000 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER26,000 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL7,742 ft VFR MARGINunlimited

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

10:25ZSUNRISE

19:34ZSOLAR NOON

04:43ZSUNSET

06:07ZCIVIL END

CURRENT13:10Z DAYLIGHT REMAINING15h 32m VFR NIGHT BEGINS06:07Z (16h 56m) DAY LENGTH18h 18m

Waning Crescent

ILLUMINATION11% MOONRISE07:47Z MOONSET02:05Z FULL MOON IN18 days

// Nearest reporting stations

No nearby reporting stations found within 200 NM of CYSM.

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

AIRSPACE

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