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// Station · 25m ago

KPWM

Portland International Jetport
CAT VFR
WIND 060° / 6 kt
VIS 10+ SM
CEILING BKN at 25,000 ft
T/Td 24.4°C / 11.1°C
ALTIM 29.98 inHg
ELEV 76 FT
43.6462°N / 70.3093°W
LOCATION · Portland, US
N
WIND
060°6 kt
KPWM · 76 FT
© OSM · CartoDB

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

METRIC
NOW · 13Z
+6H
+12H
+18H
WIND
060°/6
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN250
 
 
 
LAYERS
FEW080 BKN250
 
 
 
T / Td
24 / 11
 
 
 
ALTIM
29.98"
 
 
 

// Interpretation

VFR — ceiling 25,000 ft. Light winds at 060°/6 kt, visibility better than 10 statute miles, a few at 8,000 ft, and broken at 25,000 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 KPWM 111351Z 06006KT 10SM FEW080 BKN250 24/11 A2998 RMK AO2 SLP151 T02440111 $

KPWM · day 11 at 13:51 UTC · wind from 060° at 6 kt · visibility 10+ SM · a few clouds at 8,000 ft · broken layer at 25,000 ft · temp 24°C / dewpoint 11°C · altimeter 29.98" Hg · automated station w/ precipitation discriminator · sea-level pressure 1015.1 mb

// Runway analysis · computed from current METAR wind

Wind 060° @ 6 kt
2 USABLE · 2 AVOID
N
WIND
060°6 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
11 HDG 110° H4 kt X5 kt LEFT PRIMARY · 7,200'
36 HDG 360° H3 kt X5 kt RIGHT 6,100'
TAILWIND ENDS · AVOID 2 ends
18 HDG 180° T3 kt X5 kt LEFT
29 HDG 290° T4 kt X5 kt RIGHT
Pattern altitude: 1,076 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 +9°C

1,100FT
+1,024 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -600 FT
2,300 1,050 -200
24h AGO18h12h6hNOW
FIELD ELEV76 FT OAT+24°C ISA DELTA+9°C PRESSURE ALT14 FT
// Performance equivalent Operating here right now feels like operating at KFVE (Northern Aroostook Regional Airport, Frenchville, elev 988 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+11%
-8%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+8%
-5%
Light jetCJ4, Phenom 300, M2
+4%
-3%

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 · 12,399 FT FEW080 BKN250 · CEILING KPWM ELEV · 76 FT
// Reported layers (highest → lowest)
BKN250
Broken · base 25,000 ft AGL · ~5–7 oktas
FEW080
Few · base 8,000 ft AGL · ~1–2 oktas
// Computed
CEILING25,000 ft AGL HIGHEST LAYER25,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL12,399 ft VFR MARGIN+22,000 ft

// Sun & Moon · times in Z · bar = local day (UTC-5)

09:11ZSUNRISE
16:47ZSOLAR NOON
00:24ZSUNSET
00:59ZCIVIL END
CURRENT14:16Z DAYLIGHT REMAINING10h 08m VFR NIGHT BEGINS00:59Z (10h 43m) DAY LENGTH15h 13m
Waning Crescent
ILLUMINATION11% MOONRISE06:35Z MOONSET21:48Z FULL MOON IN18 days

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

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

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