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// Station · 19m ago

K77S

Hobby Field
CAT VFR
WIND 340° / 8 kt
VIS 10+ SM
CEILING CLR
T/Td 30°C / 7°C
ALTIM 30.02 inHg
ELEV 538 FT
43.9308°N / 123.0070°W
LOCATION · Creswell, US
N
WIND
340°8 kt
K77S · 538 FT
© OSM · CartoDB

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

METRIC
NOW · 01Z
+6H
+12H
+18H
WIND
340°/8
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
30 / 7
 
 
 
ALTIM
30.02"
 
 
 

// Interpretation

VFR with moderate winds at 340°/8 kt. 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 K77S 150155Z AUTO 34008KT 10SM CLR 30/07 A3002 RMK A01

K77S · day 15 at 01:55 UTC · wind from 340° at 8 kt · visibility 10+ SM · temp 30°C / dewpoint 7°C · altimeter 30.02" Hg

// Runway analysis · computed from current METAR wind

Wind 340° @ 8 kt
1 USABLE · 1 AVOID
N
WIND
340°8 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
33 HDG 330° H8 kt X1 kt RIGHT PRIMARY · 3,101'
TAILWIND ENDS · AVOID 1 ends
15 HDG 150° T8 kt X1 kt LEFT
Pattern altitude: 1,538 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 +16°C

2,300FT
+1,762 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -200 FT
3,000 1,350 -300
24h AGO18h12h6hNOW
FIELD ELEV538 FT OAT+30°C ISA DELTA+16°C PRESSURE ALT435 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
+23%
-16%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+16%
-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 · 15,690 FT K77S ELEV · 538 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL15,690 ft VFR MARGINunlimited

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

12:43ZSUNRISE
20:18ZSOLAR NOON
03:54ZSUNSET
04:29ZCIVIL END
CURRENT02:14Z DAYLIGHT REMAINING1h 40m VFR NIGHT BEGINS04:29Z (2h 15m) DAY LENGTH15h 10m
New Moon
ILLUMINATION0% MOONRISE12:58Z MOONSET04:08Z FULL MOON IN14 days

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

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

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