// Station · 14m ago

PATA

Ralph M Calhoun Memorial Airport

CAT LIFR

WIND 130° / 6 kt

VIS 7.0 SM

CEILING BKN at 400 ft

T/Td 11.7°C / 11.1°C

ALTIM 29.64 inHg

ELEV 236 FT

65.1744°N / 152.1090°W

LOCATION · Tanana, US

WIND

130°6 kt

PATA · 236 FT

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

METRIC

NOW · 16Z

+6H

+12H

+18H

WIND

130°/6

VIS

7.0 SM

CEILING

BKN004

LAYERS

BKN004 OVC022

T / Td

12 / 11

ALTIM

29.64"

// Interpretation

LIFR — ceiling 400 ft. Light winds at 130°/6 kt, visibility 7.0 SM, broken at 400 ft, and overcast at 2,200 ft. LIFR is the lowest standard category. Would improve to IFR above 500 ft and 1 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

SPECI PATA 251601Z 13006KT 7SM BKN004 OVC022 12/11 A2964 RMK AO2 T01170111 $

PATA · day 25 at 16:01 UTC · wind from 130° at 6 kt · visibility 7.0 SM · broken layer at 400 ft · overcast at 2,200 ft · temp 12°C / dewpoint 11°C · altimeter 29.64" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 130° @ 6 kt

1 USABLE · 1 AVOID

WIND

130°6 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

07★ HDG 070° H3 kt X5 kt RIGHT PRIMARY · 4,400'

TAILWIND ENDS · AVOID 1 ends

25 HDG 250° T3 kt X5 kt LEFT —

Pattern altitude: 1,236 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 -2°C

200FT

-36 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV236 FT OAT+12°C ISA DELTA-2°C PRESSURE ALT514 FT

// Performance equivalent Operating here right now feels like operating at PAGH (Shungnak Airport, Shungnak, elev 197 ft) on a standard ISA day.

// Aircraft performance impact ENHANCED

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+2%

-1%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+1%

-1%

Light jetCJ4, Phenom 300, M2

+1%

-1%

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)

OVC022

Overcast · base 2,200 ft AGL · 8 oktas

BKN004

Broken · base 400 ft AGL · ~5–7 oktas

// Computed

CEILING400 ft AGL HIGHEST LAYER2,200 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL6,145 ft VFR MARGIN-2,600 ft

// Sun & Moon · times in Z · bar = local day (UTC-10)

14:26ZSUNRISE

22:12ZSOLAR NOON

05:57ZSUNSET

06:57ZCIVIL END

CURRENT16:15Z DAYLIGHT REMAINING13h 41m VFR NIGHT BEGINS06:57Z (14h 41m) DAY LENGTH15h 30m

Waxing Gibbous

ILLUMINATION94% MOONRISE00:29Z MOONSET15:59Z FULL MOON IN2 days

// Nearest reporting stations

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

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