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// Station · 18m ago

KTRK

Truckee Tahoe Airport
CAT IFR
WIND 350° / 3 kt
VIS 10+ SM
CEILING BKN at 900 ft
T/Td 1°C / 1°C
ALTIM 29.74 inHg
WX -RA
ELEV 5,900 FT
39.3186°N / 120.1406°W
LOCATION · Truckee, US
N
WIND
350°3 kt
KTRK · 5,900 FT
© OSM · CartoDB

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

METRIC
NOW · 11Z
+6H
+12H
+18H
WIND
350°/3
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN009
 
 
 
LAYERS
BKN009 OVC014
 
 
 
T / Td
1 / 1
 
 
 
ALTIM
29.74"
 
 
 

// Interpretation

IFR conditions — ceiling 900 ft. Light winds at 350°/3 kt, visibility better than 10 statute miles, broken at 900 ft, and overcast at 1,400 ft. Reported weather: -RA. Would deteriorate to LIFR below 500 ft ceiling or 1 SM, or improve to MVFR above 1,000 ft and 3 SM.

Loading TAF forecast narrative…

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

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// Raw observation METAR string + decoded

METAR KTRK 271135Z AUTO 35003KT 10SM -RA BKN009 OVC014 01/01 A2974 RMK AO2

KTRK · day 27 at 11:35 UTC · wind from 350° at 3 kt · visibility 10+ SM · broken layer at 900 ft · overcast at 1,400 ft · temp 1°C / dewpoint 1°C · altimeter 29.74" Hg · weather: -RA · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 350° @ 3 kt
ALL USABLE · WINDS CALM
N
WIND
350°3 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 4 ends
11 HDG 110° CALM 7,001'
29 HDG 290° CALM 7,001'
02 HDG 020° CALM 4,650'
20 HDG 200° CALM 4,650'
Pattern altitude: 6,900 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

5,800FT
-100 FT BELOW FIELD ELEV
// DA · LAST 24 HOURS ↘ -600 FT
7,000 6,200 5,400
24h AGO18h12h6hNOW
FIELD ELEV5,900 FT OAT+1°C ISA DELTA-2°C PRESSURE ALT6,077 FT
// Performance equivalent Operating here right now feels like operating at KTVL (Lake Tahoe Airport, South Lake Tahoe, elev 6,264 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+58%
-41%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+41%
-26%
Light jetCJ4, Phenom 300, M2
+23%
-17%

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 · 2 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 6,405 FT BKN009 · CEILING OVC014 KTRK ELEV · 5,900 FT
// Reported layers (highest → lowest)
OVC014
Overcast · base 1,400 ft AGL · 8 oktas
BKN009
Broken · base 900 ft AGL · ~5–7 oktas
// Computed
CEILING900 ft AGL HIGHEST LAYER1,400 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL6,405 ft VFR MARGIN-2,100 ft

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

12:39ZSUNRISE
19:59ZSOLAR NOON
03:18ZSUNSET
03:49ZCIVIL END
CURRENT11:53Z DAYLIGHT REMAINING15h 25m VFR NIGHT BEGINS03:49Z (15h 56m) DAY LENGTH14h 38m
Waxing Gibbous
ILLUMINATION83% MOONRISE21:24Z MOONSET12:03Z FULL MOON IN4 days

// Nearest reporting stations · 5 shown · 100 NM (sparse area)

// Area map · 80 NM radius · CartoDB Dark Matter + aeronautical overlay

© OpenStreetMap · CartoDB · OpenAIP
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