// Station · 14m ago

KGRR

Gerald R. Ford International Airport

CAT VFR

WIND 170° / 7 kt

VIS 10+ SM

CEILING BKN at 10,000 ft

T/Td 22.2°C / 17.2°C

ALTIM 29.77 inHg

ELEV 794 FT

42.8808°N / 85.5228°W

LOCATION · Grand Rapids, US

WIND

170°7 kt

KGRR · 794 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

170°/7

VIS

10+ SM

CEILING

BKN100

LAYERS

BKN100 BKN200

T / Td

22 / 17

ALTIM

29.77"

// Interpretation

VFR — ceiling 10,000 ft. Light winds at 170°/7 kt, visibility better than 10 statute miles, broken at 10,000 ft, and broken at 20,000 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 KGRR 130053Z 17007KT 10SM BKN100 BKN200 22/17 A2977 RMK AO2 RAE14 TSE18 SLP078 OCNL LTGICCCCG DSNT NE CB DSNT NE MOV E P0000 T02220172 $

KGRR · day 13 at 00:53 UTC · wind from 170° at 7 kt · visibility 10+ SM · broken layer at 10,000 ft · broken layer at 20,000 ft · temp 22°C / dewpoint 17°C · altimeter 29.77" Hg · automated station w/ precipitation discriminator · sea-level pressure 1007.8 mb

// Runway analysis · computed from current METAR wind

Wind 170° @ 7 kt

5 USABLE · 1 AVOID · 4 CAUTION

WIND

170°7 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 5 usable

17★ HDG 170° H7 kt X0 kt — PRIMARY · 8,501'

08L HDG 080° H0 kt X7 kt RIGHT ⚠ HIGH XW · 100%

26R HDG 260° H0 kt X7 kt LEFT ⚠ HIGH XW · 100%

08R HDG 080° H0 kt X7 kt RIGHT ⚠ HIGH XW · 100%

26L HDG 260° H0 kt X7 kt LEFT ⚠ HIGH XW · 100%

TAILWIND ENDS · AVOID 1 ends

35 HDG 350° T7 kt X0 kt — —

Pattern altitude: 1,794 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 +9°C

2,000FT

+1,206 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV794 FT OAT+22°C ISA DELTA+9°C PRESSURE ALT942 FT

// Performance equivalent Operating here right now feels like operating at KEKN (Elkins-Randolph County Regional Airport, Elkins, elev 1,987 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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

BKN200

Broken · base 20,000 ft AGL · ~5–7 oktas

BKN100

Broken · base 10,000 ft AGL · ~5–7 oktas

// Computed

CEILING10,000 ft AGL HIGHEST LAYER20,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL12,006 ft VFR MARGIN+7,000 ft

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

11:52ZSUNRISE

17:29ZSOLAR NOON

23:06ZSUNSET

23:34ZCIVIL END

CURRENT01:07Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS23:34Z (past) DAY LENGTH11h 13m

Waxing Crescent

ILLUMINATION3% MOONRISE13:13Z MOONSET00:27Z FULL MOON IN13 days

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

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