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// Station · 29m ago

K1M5

Portland Municipal Airport
CAT VFR
WIND VRB / 3 kt
VIS 10+ SM
CEILING Few/scattered only
T/Td 31°C / 23°C
ALTIM 30.06 inHg
ELEV 818 FT
36.5927°N / 86.4769°W
LOCATION · Portland, US
N
WIND
VRB3 kt
K1M5 · 818 FT
© OSM · CartoDB

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

METRIC
NOW · 22Z
+6H
+12H
+18H
WIND
VRB/3
 
 
 
VIS
10+ SM
 
 
 
CEILING
 
 
 
LAYERS
FEW065 SCT080
 
 
 
T / Td
31 / 23
 
 
 
ALTIM
30.06"
 
 
 

// Interpretation

VFR with light winds at variable/3 kt. Visibility better than 10 statute miles and a few at 6,500 ft, and scattered at 8,000 ft. 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 K1M5 142235Z AUTO VRB03KT 10SM FEW065 SCT080 31/23 A3006 RMK A01

K1M5 · day 14 at 22:35 UTC · wind variable at 3 kt · visibility 10+ SM · a few clouds at 6,500 ft · scattered layer at 8,000 ft · temp 31°C / dewpoint 23°C · altimeter 30.06" Hg

// Runway analysis · computed from current METAR wind

Wind VRB @ 3 kt
ALL USABLE · WINDS CALM
N
WIND
VRB3 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 2 ends
01 HDG 010° CALM 5,003'
19 HDG 190° CALM 5,003'
Pattern altitude: 1,818 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 +17°C

2,800FT
+1,982 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +400 FT
3,000 2,150 1,300
24h AGO18h12h6hNOW
FIELD ELEV818 FT OAT+31°C ISA DELTA+17°C PRESSURE ALT676 FT
// Performance equivalent Operating here right now feels like operating at K24A (Jackson County Airport, Sylva, elev 2,857 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+28%
-20%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+20%
-13%
Light jetCJ4, Phenom 300, M2
+11%
-8%

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 · 16,475 FT FEW065 SCT080 K1M5 ELEV · 818 FT
// Reported layers (highest → lowest)
SCT080
Scattered · base 8,000 ft AGL · ~3–4 oktas
FEW065
Few · base 6,500 ft AGL · ~1–2 oktas
// Computed
CEILING HIGHEST LAYER8,000 ft TOTAL COVERAGE~48% (mixed) FREEZING LEVEL16,475 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-6)

10:39ZSUNRISE
17:52ZSOLAR NOON
01:06ZSUNSET
01:35ZCIVIL END
CURRENT23:04Z DAYLIGHT REMAINING2h 01m VFR NIGHT BEGINS01:35Z (2h 31m) DAY LENGTH14h 26m
New Moon
ILLUMINATION0% MOONRISE10:47Z MOONSET01:14Z FULL MOON IN15 days

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

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

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