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// Station · 13m ago

KGOO

Nevada County Airport
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 11°C / 2°C
ALTIM 29.93 inHg
ELEV 3,152 FT
39.2240°N / 121.0030°W
LOCATION · Grass Valley, US
N
WIND
000°0 kt
KGOO · 3,152 FT
© OSM · CartoDB

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

METRIC
NOW · 02Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
—
 
 
 
T / Td
11 / 2
 
 
 
ALTIM
29.93"
 
 
 

// 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 KGOO 130215Z AUTO 00000KT 10SM CLR 11/02 A2993 RMK A01

KGOO · day 13 at 02:15 UTC · winds calm · visibility 10+ SM · temp 11°C / dewpoint 2°C · altimeter 29.93" Hg

// 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
07 HDG 070° —CALM —— 4,657'
25 HDG 250° —CALM —— 4,657'
Pattern altitude: 4,152 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 +2°C

3,400FT
+248 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV3,152 FT OAT+11°C ISA DELTA+2°C PRESSURE ALT3,140 FT
// Performance equivalent Operating here right now feels like operating at K2O1 (Gansner Field, Quincy, elev 3,415 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+34%
-24%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+24%
-15%
Light jetCJ4, Phenom 300, M2
+14%
-10%

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 · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 8,708 FT KGOO ELEV · 3,152 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL8,708 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-8)

14:11ZSUNRISE
19:51ZSOLAR NOON
01:31ZSUNSET
01:58ZCIVIL END
CURRENT02:28Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS01:58Z (past) DAY LENGTH11h 19m
Waxing Crescent
ILLUMINATION3% MOONRISE15:35Z MOONSET02:55Z FULL MOON IN13 days

// Nearest reporting stations

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

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