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// Station · 15m ago

KI74

Grimes Field
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 30°C / 22°C
ALTIM 30.16 inHg
ELEV 1,068 FT
40.1326°N / 83.7534°W
LOCATION · Urbana, US
N
WIND
000°0 kt
KI74 · 1,068 FT
© OSM · CartoDB

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

METRIC
NOW · 21Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
30 / 22
 
 
 
ALTIM
30.16"
 
 
 

// 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 KI74 142155Z AUTO 00000KT 10SM CLR 30/22 A3016 RMK AO2

KI74 · day 14 at 21:55 UTC · winds calm · visibility 10+ SM · temp 30°C / dewpoint 22°C · altimeter 30.16" Hg · automated station w/ precipitation discriminator

// 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 2 ends
02 HDG 020° CALM 4,400'
20 HDG 200° CALM 4,400'
Pattern altitude: 2,068 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 +17°C

2,800FT
+1,732 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +100 FT
3,200 2,000 800
24h AGO18h12h6hNOW
FIELD ELEV1,068 FT OAT+30°C ISA DELTA+17°C PRESSURE ALT826 FT
// Performance equivalent Operating here right now feels like operating at KBLF (Mercer County Airport, Bluefield, elev 2,857 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+28%
-20%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+20%
-13%
Light jetCJ4, Phenom 300, M2
+11%
-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 · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 16,220 FT KI74 ELEV · 1,068 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL16,220 ft VFR MARGINunlimited

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

10:18ZSUNRISE
17:41ZSOLAR NOON
01:05ZSUNSET
01:37ZCIVIL END
CURRENT22:10Z DAYLIGHT REMAINING2h 54m VFR NIGHT BEGINS01:37Z (3h 26m) DAY LENGTH14h 46m
New Moon
ILLUMINATION0% MOONRISE10:25Z MOONSET01:11Z FULL MOON IN15 days

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

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

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