// Station · 12m ago

K1A9

Prattville - Grouby Field

CAT VFR

WIND CALM

VIS 10+ SM

CEILING Few/scattered only

T/Td 30°C / 23°C

ALTIM 29.97 inHg

ELEV 225 FT

32.4387°N / 86.5127°W

LOCATION · Prattville, US

WIND

—calm

K1A9 · 225 FT

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

METRIC

NOW · 22Z

+6H

+12H

+18H

WIND

CALM

VIS

10+ SM

CEILING

—

LAYERS

SCT070

T / Td

30 / 23

ALTIM

29.97"

// Interpretation

VFR with winds calm. Visibility better than 10 statute miles and scattered at 7,000 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 K1A9 282255Z AUTO 10SM SCT070 30/23 A2997 RMK AO2 T03000230

K1A9 · day 28 at 22:55 UTC · winds calm · visibility 10+ SM · scattered layer at 7,000 ft · temp 30°C / dewpoint 23°C · altimeter 29.97" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind CALM

ALL USABLE · WINDS CALM

WIND

CALMcalm

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

09 HDG 090° —CALM —— 5,400'

27 HDG 270° —CALM —— 5,400'

Pattern altitude: 1,225 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 +15°C

2,000FT

+1,775 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV225 FT OAT+30°C ISA DELTA+15°C PRESSURE ALT172 FT

// Performance equivalent Operating here right now feels like operating at KUOS (Franklin County Airport, Sewanee, elev 1,953 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+20%

-14%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+14%

-9%

Light jetCJ4, Phenom 300, M2

+8%

-6%

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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

SCT070

Scattered · base 7,000 ft AGL · ~3–4 oktas

// Computed

CEILING— HIGHEST LAYER7,000 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL15,377 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-6)

11:19ZSUNRISE

17:48ZSOLAR NOON

00:17ZSUNSET

00:42ZCIVIL END

CURRENT23:07Z DAYLIGHT REMAINING1h 10m VFR NIGHT BEGINS00:42Z (1h 35m) DAY LENGTH12h 57m

Full Moon

ILLUMINATION99% MOONRISE00:02Z MOONSET13:00Z FULL MOON IN29 days

// Nearest reporting stations

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

AIRSPACE

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