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// Station · 9m ago

K9S9

Lexington Airport
CAT VFR
WIND 250° / 13 kt G20
VIS 10+ SM
CEILING CLR
T/Td 19°C / -1°C
ALTIM 30.16 inHg
ELEV 1,634 FT
45.4541°N / 119.6900°W
LOCATION · Lexington, US
N
WIND
250°13 kt
K9S9 · 1,634 FT
© OSM · CartoDB

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

METRIC
NOW · 20Z
+6H
+12H
+18H
WIND
250°/13G20
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
19 / -1
 
 
 
ALTIM
30.16"
 
 
 

// Interpretation

VFR with brisk winds at 250°/13 kt, gusting 20. 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 K9S9 302055Z AUTO 25013G20KT 230V290 10SM CLR 19/M01 A3016 RMK AO2

K9S9 · day 30 at 20:55 UTC · wind from 250° at 13 kt, gusts to 20 kt · visibility 10+ SM · temp 19°C / dewpoint -1°C · altimeter 30.16" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 250° @ 13 ktG20
1 USABLE · 1 AVOID
N
WIND
250°13G20 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
26 HDG 260° H13 kt X2 kt LEFT PRIMARY · 4,155'
TAILWIND ENDS · AVOID 1 ends
08 HDG 080° T13 kt X2 kt RIGHT
Pattern altitude: 2,634 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

2,200FT
+566 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -300 FT
3,000 1,750 500
24h AGO18h12h6hNOW
FIELD ELEV1,634 FT OAT+19°C ISA DELTA+7°C PRESSURE ALT1,392 FT
// Performance equivalent Operating here right now feels like operating at KONO (Ontario Municipal Airport, Oregon, elev 2,193 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+22%
-15%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+15%
-10%
Light jetCJ4, Phenom 300, M2
+9%
-7%

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 · 11,230 FT K9S9 ELEV · 1,634 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL11,230 ft VFR MARGINunlimited

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

12:16ZSUNRISE
19:57ZSOLAR NOON
03:39ZSUNSET
04:15ZCIVIL END
CURRENT21:04Z DAYLIGHT REMAINING6h 34m VFR NIGHT BEGINS04:15Z (7h 11m) DAY LENGTH15h 23m
Full Moon
ILLUMINATION100% MOONRISE23:46Z MOONSET15:09Z FULL MOON IN1 day

// Nearest reporting stations · 4 shown · 60 NM radius

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

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