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// Station · 6m ago

KCKC

Grand Marais Cook County Airport
CAT MVFR
WIND 070° / 9 kt G20
VIS 7.0 SM
CEILING BKN at 1,200 ft
T/Td 4°C / 4°C
ALTIM 29.76 inHg
WX -RA
ELEV 1,799 FT
47.8383°N / 90.3829°W
LOCATION · Grand Marais, US
N
WIND
070°9 kt
KCKC · 1,799 FT
© OSM · CartoDB

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

METRIC
NOW · 04Z
+6H
+12H
+18H
WIND
070°/9G20
 
 
 
VIS
7.0 SM
 
 
 
CEILING
BKN012
 
 
 
LAYERS
SCT009 BKN012 OVC026
 
 
 
T / Td
4 / 4
 
 
 
ALTIM
29.76"
 
 
 

// Interpretation

MVFR — ceiling 1,200 ft. Moderate winds at 070°/9 kt, gusting 20, visibility 7.0 SM, scattered at 900 ft, broken at 1,200 ft, and overcast at 2,600 ft. Reported weather: light rain (-RA). Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR KCKC 130415Z AUTO 07009G20KT 030V090 7SM -RA SCT009 BKN012 OVC026 04/04 A2976 RMK AO2 LTG DSNT S

KCKC · day 13 at 04:15 UTC · wind from 070° at 9 kt, gusts to 20 kt · visibility 7.0 SM · scattered layer at 900 ft · broken layer at 1,200 ft · overcast at 2,600 ft · temp 4°C / dewpoint 4°C · altimeter 29.76" Hg · weather: light rain (-RA) · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 070° @ 9 ktG20
1 USABLE · 1 AVOID
N
WIND
070°9G20 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
10★ HDG 100° H8 kt X4 kt LEFT PRIMARY · 5,002'
TAILWIND ENDS · AVOID 1 ends
28 HDG 280° T8 kt X5 kt RIGHT —
Pattern altitude: 2,799 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 -7°C

1,100FT
-699 FT BELOW FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV1,799 FT OAT+4°C ISA DELTA-7°C PRESSURE ALT1,956 FT
// Performance equivalent Operating here right now feels like operating at KVVV (Ortonville Municipal Airport/Martinson Field, Ortonville, elev 1,100 ft) on a standard ISA day.
// Aircraft performance impact ENHANCED
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+11%
-8%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+8%
-5%
Light jetCJ4, Phenom 300, M2
+4%
-3%

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 · 3 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 3,819 FT SCT009 BKN012 · CEILING OVC026 KCKC ELEV · 1,799 FT
// Reported layers (highest → lowest)
OVC026
Overcast · base 2,600 ft AGL · 8 oktas
BKN012
Broken · base 1,200 ft AGL · ~5–7 oktas
SCT009
Scattered · base 900 ft AGL · ~3–4 oktas
// Computed
CEILING1,200 ft AGL HIGHEST LAYER2,600 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL3,819 ft VFR MARGIN-1,800 ft

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

12:17ZSUNRISE
17:49ZSOLAR NOON
23:21ZSUNSET
23:52ZCIVIL END
CURRENT04:21Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS23:52Z (past) DAY LENGTH11h 03m
Waxing Crescent
ILLUMINATION4% MOONRISE13:44Z MOONSET00:48Z FULL MOON IN13 days

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