// Station · 18m ago

KGGI

Grinnell Regional Airport

CAT VFR

WIND 130° / 12 kt G15

VIS 10+ SM

CEILING BKN at 12,000 ft

T/Td 26.5°C / 6.8°C

ALTIM 29.97 inHg

ELEV 1,008 FT

41.7099°N / 92.7361°W

LOCATION · Grinnell, US

WIND

130°12 kt

KGGI · 1,008 FT

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

METRIC

NOW · 22Z

+6H

+12H

+18H

WIND

130°/12G15

VIS

10+ SM

CEILING

BKN120

LAYERS

SCT070 BKN120

T / Td

27 / 7

ALTIM

29.97"

// Interpretation

VFR — ceiling 12,000 ft. Moderate winds at 130°/12 kt, gusting 15, visibility better than 10 statute miles, scattered at 7,000 ft, and broken at 12,000 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 KGGI 302215Z AUTO 13012G15KT 10SM SCT070 BKN120 27/07 A2997 RMK AO2 T02650068

KGGI · day 30 at 22:15 UTC · wind from 130° at 12 kt, gusts to 15 kt · visibility 10+ SM · scattered layer at 7,000 ft · broken layer at 12,000 ft · temp 27°C / dewpoint 7°C · altimeter 29.97" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 130° @ 12 ktG15

1 USABLE · 1 AVOID

WIND

130°12G15 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

13★ HDG 130° H12 kt X0 kt — PRIMARY · 5,200'

TAILWIND ENDS · AVOID 1 ends

31 HDG 310° T12 kt X0 kt — —

Pattern altitude: 2,008 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 +13°C

2,600FT

+1,592 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -100 FT

24h AGO18h12h6hNOW

FIELD ELEV1,008 FT OAT+27°C ISA DELTA+13°C PRESSURE ALT955 FT

// Performance equivalent Operating here right now feels like operating at KANW (Ainsworth Regional Airport, Ainsworth, elev 2,589 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+26%

-18%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+18%

-12%

Light jetCJ4, Phenom 300, M2

+10%

-8%

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)

BKN120

Broken · base 12,000 ft AGL · ~5–7 oktas

SCT070

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

// Computed

CEILING12,000 ft AGL HIGHEST LAYER12,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL14,392 ft VFR MARGIN+9,000 ft

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

10:41ZSUNRISE

18:09ZSOLAR NOON

01:38ZSUNSET

02:11ZCIVIL END

CURRENT22:33Z DAYLIGHT REMAINING3h 05m VFR NIGHT BEGINS02:11Z (3h 38m) DAY LENGTH14h 57m

Full Moon

ILLUMINATION100% MOONRISE22:14Z MOONSET13:11Z FULL MOON IN1 day

// Nearest reporting stations · 5 shown · 60 NM radius

KTNU

VFR

Newton Municipal Airport · Newton

WIND: 150° / 11 kt
VIS: 10+ SM
CEILING: BKN065
DIST: 13 NM W
AGE: 18m ago

KPEA

VFR

Pella Municipal Airport · Pella

WIND: 130° / 6 kt
VIS: 10+ SM
CEILING: SCT065
DIST: 21 NM SW
AGE: 18m ago

KMIW

VFR

Marshalltown Municipal Airport · Marshalltown

WIND: 170° / 9 kt
VIS: 10+ SM
CEILING: BKN120
DIST: 26 NM N
AGE: 40m ago

KOXV

VFR

Knoxville Municipal Airport · Knoxville

WIND: 130° / 10 ktG15
VIS: 10+ SM
CEILING: CLR
DIST: 30 NM SW
AGE: 18m ago

KOOA

VFR

Oskaloosa Municipal Airport · Cedar

WIND: 120° / 12 ktG16
VIS: 10+ SM
CEILING: CLR
DIST: 31 NM S
AGE: 18m ago

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

AIRSPACE

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