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// Station · 30m ago

KMSO

Missoula Montana Airport
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 30°C / 6.1°C
ALTIM 30.11 inHg
ELEV 3,206 FT
46.9158°N / 114.0911°W
LOCATION · Missoula, US
N
WIND
000°0 kt
KMSO · 3,206 FT
© OSM · CartoDB

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

METRIC
NOW · 19Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
30 / 6
 
 
 
ALTIM
30.11"
 
 
 

// Interpretation

VFR with winds calm. 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 KMSO 251953Z 00000KT 10SM CLR 30/06 A3011 RMK AO2 SLP175 T03000061

KMSO · day 25 at 19:53 UTC · winds calm · visibility 10+ SM · temp 30°C / dewpoint 6°C · altimeter 30.11" Hg · automated station w/ precipitation discriminator · sea-level pressure 1017.5 mb

// Runway analysis · computed from current METAR wind

Wind CALM
ALL USABLE · WINDS CALM
N
WIND
000°calm
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 2 ends
12 HDG 120° CALM 9,501'
30 HDG 300° CALM 9,501'
Pattern altitude: 4,206 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 +21°C

5,500FT
+2,294 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV3,206 FT OAT+30°C ISA DELTA+21°C PRESSURE ALT3,014 FT
// Performance equivalent Operating here right now feels like operating at KBTM (Bert Mooney Airport, Butte, elev 5,550 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+55%
-39%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+39%
-25%
Light jetCJ4, Phenom 300, M2
+22%
-17%

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. Severity rating assumes a standard altimeter setting (29.92" Hg / 1013 hPa); a non-standard setting shifts the effective altitude by roughly 1,000 ft per 1" Hg of deviation.

// Cloud layers · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 18,358 FT KMSO ELEV · 3,206 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL18,358 ft VFR MARGINunlimited

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

12:48ZSUNRISE
19:39ZSOLAR NOON
02:31ZSUNSET
03:03ZCIVIL END
CURRENT20:23Z DAYLIGHT REMAINING6h 07m VFR NIGHT BEGINS03:03Z (6h 39m) DAY LENGTH13h 43m
Waxing Gibbous
ILLUMINATION94% MOONRISE22:59Z MOONSET12:42Z FULL MOON IN2 days

// Nearest reporting stations

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

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