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// Station · 56m ago

KGRR

Gerald R. Ford International Airport
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 13.9°C / 12.2°C
ALTIM 29.98 inHg
ELEV 794 FT
42.8808°N / 85.5228°W
LOCATION · Grand Rapids, US
N
WIND
000°0 kt
KGRR · 794 FT
© OSM · CartoDB

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

METRIC
NOW · 08Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
14 / 12
 
 
 
ALTIM
29.98"
 
 
 

// Interpretation

VFR with winds calm. Visibility better than 10 statute miles and no reported cloud layers. 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 270853Z AUTO 00000KT 10SM CLR 14/12 A2998 RMK AO2 SLP147 T01390122 56004 $

KGRR · day 27 at 08:53 UTC · winds calm · visibility 10+ SM · temp 14°C / dewpoint 12°C · altimeter 29.98" Hg · automated station w/ precipitation discriminator · sea-level pressure 1014.7 mb

// Runway analysis · computed from current METAR wind

Wind CALM
ALL USABLE · WINDS CALM
N
WIND
000°calm
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 6 ends
08R HDG 080° CALM 10,001'
26L HDG 260° CALM 10,001'
17 HDG 170° CALM 8,501'
35 HDG 350° CALM 8,501'
08L HDG 080° CALM 5,001'
26R HDG 260° CALM 5,001'
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 +0°C

800FT
+6 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +0 FT
2,700 1,550 400
24h AGO18h12h6hNOW
FIELD ELEV794 FT OAT+14°C ISA DELTA+0°C PRESSURE ALT732 FT
// Performance equivalent Operating here right now feels like operating at KCIU (Chippewa County International Airport, Kincheloe, elev 800 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+8%
-6%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+6%
-4%
Light jetCJ4, Phenom 300, M2
+3%
-2%

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 · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 7,814 FT KGRR ELEV · 794 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL7,814 ft VFR MARGINunlimited

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

10:10ZSUNRISE
17:40ZSOLAR NOON
01:10ZSUNSET
01:44ZCIVIL END
CURRENT09:49Z DAYLIGHT REMAINING15h 21m VFR NIGHT BEGINS01:44Z (15h 55m) DAY LENGTH15h 00m
Waxing Gibbous
ILLUMINATION82% MOONRISE18:51Z MOONSET09:51Z FULL MOON IN4 days

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

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

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