// Station · 36m ago

KTWF

Joslin Field Magic Valley Regional Airport

CAT VFR

WIND 210° / 3 kt

VIS 10+ SM

CEILING OVC at 11,000 ft

T/Td 5.6°C / 2.2°C

ALTIM 29.91 inHg

ELEV 4,154 FT

42.4818°N / 114.4880°W

LOCATION · Twin Falls, US

WIND

210°3 kt

KTWF · 4,154 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

210°/3

VIS

10+ SM

CEILING

OVC110

LAYERS

SCT060 OVC110

T / Td

6 / 2

ALTIM

29.91"

// Interpretation

VFR — ceiling 11,000 ft. Light winds at 210°/3 kt, visibility better than 10 statute miles, scattered at 6,000 ft, and overcast at 11,000 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 KTWF 130153Z 21003KT 10SM SCT060 OVC110 06/02 A2991 RMK AO2 SLP121 T00560022

KTWF · day 13 at 01:53 UTC · wind from 210° at 3 kt · visibility 10+ SM · scattered layer at 6,000 ft · overcast at 11,000 ft · temp 6°C / dewpoint 2°C · altimeter 29.91" Hg · automated station w/ precipitation discriminator · sea-level pressure 1012.1 mb

// Runway analysis · computed from current METAR wind

Wind 210° @ 3 kt

ALL USABLE · WINDS CALM

WIND

210°3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

08 HDG 080° —CALM —— 8,704'

26 HDG 260° —CALM —— 8,704'

12 HDG 120° —CALM —— 3,224'

30 HDG 300° —CALM —— 3,224'

Pattern altitude: 5,154 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

4,000FT

-154 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV4,154 FT OAT+6°C ISA DELTA-1°C PRESSURE ALT4,160 FT

// Performance equivalent Operating here right now feels like operating at KSMN (Lemhi County Airport, Salmon, elev 4,043 ft) on a standard ISA day.

// Aircraft performance impact ENHANCED

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+40%

-28%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+28%

-18%

Light jetCJ4, Phenom 300, M2

+16%

-12%

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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

OVC110

Overcast · base 11,000 ft AGL · 8 oktas

SCT060

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

// Computed

CEILING11,000 ft AGL HIGHEST LAYER11,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL6,982 ft VFR MARGIN+8,000 ft

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

13:48ZSUNRISE

19:25ZSOLAR NOON

01:02ZSUNSET

01:30ZCIVIL END

CURRENT02:29Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS01:30Z (past) DAY LENGTH11h 14m

Waxing Crescent

ILLUMINATION3% MOONRISE15:12Z MOONSET02:26Z FULL MOON IN13 days

// Nearest reporting stations

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

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