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// Station · 59m ago

K0S9

Jefferson County International Airport
CAT VFR
WIND 350° / 7 kt G13
VIS 10+ SM
CEILING CLR
T/Td 15°C / 4°C
ALTIM 30.29 inHg
ELEV 108 FT
48.0538°N / 122.8110°W
LOCATION · Port Townsend, US
N
WIND
350°7 kt
K0S9 · 108 FT
© OSM · CartoDB

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

METRIC
NOW · 21Z
+6H
+12H
+18H
WIND
350°/7G13
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
15 / 4
 
 
 
ALTIM
30.29"
 
 
 

// Interpretation

VFR with light winds at 350°/7 kt, gusting 13. 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 K0S9 302135Z AUTO 35007G13KT 320V020 10SM CLR 15/04 A3029 RMK AO2

K0S9 · day 30 at 21:35 UTC · wind from 350° at 7 kt, gusts to 13 kt · visibility 10+ SM · temp 15°C / dewpoint 4°C · altimeter 30.29" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 350° @ 7 ktG13
1 USABLE · 1 AVOID · 1 CAUTION
N
WIND
350°7G13 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
27 HDG 270° H1 kt X7 kt RIGHT PRIMARY · 3,000'
TAILWIND ENDS · AVOID 1 ends
09 HDG 090° T1 kt X7 kt LEFT
Pattern altitude: 1,108 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 -1°C

-300FT
-408 FT BELOW FIELD ELEV
// DA · LAST 24 HOURS ↘ -100 FT
100 -900 -1,900
24h AGO18h12h6hNOW
FIELD ELEV108 FT OAT+15°C ISA DELTA-1°C PRESSURE ALT-264 FT
// Performance equivalent Operating here right now feels like operating at 7WA5 (Stuart Island Airpark, Friday Harbor, elev 10 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+0%
-0%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+0%
-0%
Light jetCJ4, Phenom 300, M2
+0%
-0%

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 · 7,684 FT K0S9 ELEV · 108 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL7,684 ft VFR MARGINunlimited

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

12:18ZSUNRISE
20:10ZSOLAR NOON
04:01ZSUNSET
04:41ZCIVIL END
CURRENT22:34Z DAYLIGHT REMAINING5h 27m VFR NIGHT BEGINS04:41Z (6h 06m) DAY LENGTH15h 43m
Full Moon
ILLUMINATION100% MOONRISE23:51Z MOONSET15:34Z FULL MOON IN1 day

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

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

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