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// Station · 17m ago

KCTB

Cut Bank International Airport
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 21.1°C / 9.4°C
ALTIM 29.89 inHg
ELEV 3,854 FT
48.6087°N / 112.3782°W
LOCATION · Cut Bank, US
N
WIND
000°0 kt
KCTB · 3,854 FT
© OSM · CartoDB

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

METRIC
NOW · 14Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
21 / 9
 
 
 
ALTIM
29.89"
 
 
 

// 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 KCTB 111456Z AUTO 00000KT 10SM CLR 21/09 A2989 RMK AO2 SLP086 T02110094 50004

KCTB · day 11 at 14:56 UTC · winds calm · visibility 10+ SM · temp 21°C / dewpoint 9°C · altimeter 29.89" Hg · automated station w/ precipitation discriminator · sea-level pressure 1008.6 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 4 ends
05 HDG 050° CALM 5,300'
23 HDG 230° CALM 5,300'
14 HDG 140° CALM 5,300'
32 HDG 320° CALM 5,300'
Pattern altitude: 4,854 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 +14°C

5,500FT
+1,646 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -300 FT
6,900 5,400 3,900
24h AGO18h12h6hNOW
FIELD ELEV3,854 FT OAT+21°C ISA DELTA+14°C PRESSURE ALT3,881 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.

// Cloud layers · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 14,511 FT KCTB ELEV · 3,854 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL14,511 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-7)

11:40ZSUNRISE
19:36ZSOLAR NOON
03:31ZSUNSET
04:12ZCIVIL END
CURRENT15:13Z DAYLIGHT REMAINING12h 18m VFR NIGHT BEGINS04:12Z (12h 59m) DAY LENGTH15h 51m
Waning Crescent
ILLUMINATION11% MOONRISE09:06Z MOONSET00:57Z FULL MOON IN18 days

// Nearest reporting stations · 5 shown · 100 NM (sparse area)

// Area map · 100 NM radius · CartoDB Dark Matter + aeronautical overlay

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