// Station · 11m ago

K1S3

Tillitt Field

CAT MVFR

WIND 280° / 12 kt G16

VIS 9.0 SM

CEILING BKN at 1,900 ft

T/Td 21.7°C / 16.6°C

ALTIM 29.75 inHg

ELEV 2,727 FT

46.2711°N / 106.6240°W

LOCATION · Forsyth, US

WIND

280°12 kt

K1S3 · 2,727 FT

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

METRIC

NOW · 21Z

+6H

+12H

+18H

WIND

280°/12G16

VIS

9.0 SM

CEILING

BKN019

LAYERS

BKN019 OVC031

T / Td

22 / 17

ALTIM

29.75"

// Interpretation

MVFR — ceiling 1,900 ft. Moderate winds at 280°/12 kt, gusting 16, visibility 9.0 SM, broken at 1,900 ft, and overcast at 3,100 ft. 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 K1S3 302135Z AUTO 28012G16KT 9SM BKN019 OVC031 22/17 A2975 RMK AO2 CIG 015V023 BKN V OVC T02170166

K1S3 · day 30 at 21:35 UTC · wind from 280° at 12 kt, gusts to 16 kt · visibility 9.0 SM · broken layer at 1,900 ft · overcast at 3,100 ft · temp 22°C / dewpoint 17°C · altimeter 29.75" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 280° @ 12 ktG16

1 USABLE · 1 AVOID

WIND

280°12G16 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

26★ HDG 260° H11 kt X4 kt RIGHT PRIMARY · 4,799'

TAILWIND ENDS · AVOID 1 ends

08 HDG 080° T11 kt X4 kt LEFT —

Pattern altitude: 3,727 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 +12°C

4,400FT

+1,673 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -1,500 FT

24h AGO18h12h6hNOW

FIELD ELEV2,727 FT OAT+22°C ISA DELTA+12°C PRESSURE ALT2,896 FT

// Performance equivalent Operating here right now feels like operating at KBZN (Bozeman Yellowstone International Airport, Bozeman, elev 4,473 ft) on a standard ISA day.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+44%

-31%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+31%

-20%

Light jetCJ4, Phenom 300, M2

+18%

-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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

OVC031

Overcast · base 3,100 ft AGL · 8 oktas

BKN019

Broken · base 1,900 ft AGL · ~5–7 oktas

// Computed

CEILING1,900 ft AGL HIGHEST LAYER3,100 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL13,687 ft VFR MARGIN-1,100 ft

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

11:20ZSUNRISE

19:05ZSOLAR NOON

02:50ZSUNSET

03:27ZCIVIL END

CURRENT21:46Z DAYLIGHT REMAINING5h 03m VFR NIGHT BEGINS03:27Z (5h 40m) DAY LENGTH15h 29m

Full Moon

ILLUMINATION100% MOONRISE22:52Z MOONSET14:21Z FULL MOON IN1 day

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

KMLS

VFR

Miles City Airport - Frank Wiley Field · Miles City

WIND: 060° / 4 kt
VIS: 10+ SM
CEILING: FEW044
DIST: 32 NM E
AGE: 53m ago

KJDN

—

Jordan Airport · Jordan

WIND: 090° / 14 kt
VIS: —
CEILING: CLR
DIST: 65 NM N
AGE: 58m ago

KBIL

LIFR

Billings Logan International Airport · Billings

WIND: 270° / 16 ktG24
VIS: 0.25 SM
CEILING: BKN020
DIST: 85 NM W
AGE: 7m ago

KGDV

MVFR

Dawson Community Airport · Glendive

WIND: 070° / 11 kt
VIS: 10+ SM
CEILING: BKN014
DIST: 91 NM NE
AGE: 5m ago

KSHR

VFR

Sheridan County Airport · Sheridan

WIND: CALM
VIS: 10+ SM
CEILING: OVC055
DIST: 91 NM S
AGE: 53m ago

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

AIRSPACE

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