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// KGPI · Glacier Park International Airport · Kalispell

// Station · 17m ago

KGPI

Glacier Park International Airport
CAT VFR
WIND 100° / 4 kt
VIS 10+ SM
CEILING CLR
T/Td 23.3°C / 8.3°C
ALTIM 30.18 inHg
ELEV 2,977 FT
48.3105°N / 114.2560°W
LOCATION · Kalispell, US
N
WIND
100°4 kt
KGPI · 2,977 FT
© OSM · CartoDB

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

METRIC
NOW · 17Z
+6H
+12H
+18H
WIND
100°/4
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
—
 
 
 
T / Td
23 / 8
 
 
 
ALTIM
30.18"
 
 
 

Loading TAF forecast…

// Interpretation

VFR with light winds at 100°/4 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 KGPI 251755Z 10004KT 10SM CLR 23/08 A3018 RMK AO2 SLP207 T02330083 10233 20078 58007

KGPI · day 25 at 17:55 UTC · wind from 100° at 4 kt · visibility 10+ SM · temp 23°C / dewpoint 8°C · altimeter 30.18" Hg · automated station w/ precipitation discriminator · sea-level pressure 1020.7 mb

// Runway analysis · computed from current METAR wind

Wind 100° @ 4 kt
ALL USABLE · WINDS CALM
N
WIND
100°4 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 4 ends
02 HDG 020° —CALM —— 9,007'
20 HDG 200° —CALM —— 9,007'
12 HDG 120° —CALM —— 3,510'
30 HDG 300° —CALM —— 3,510'
Pattern altitude: 3,977 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

4,400FT
+1,423 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV2,977 FT OAT+23°C ISA DELTA+14°C PRESSURE ALT2,714 FT
// Performance equivalent Operating here right now feels like operating at KBZN (Bozeman Yellowstone International Airport, Bozeman, elev 4,473 ft) on a standard ISA day.
// Aircraft performance impact MODERATE
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+44%
-31%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+31%
-20%
Light jetCJ4, Phenom 300, M2
+18%
-13%

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 · 14,745 FT KGPI ELEV · 2,977 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL14,745 ft VFR MARGINunlimited

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

12:46ZSUNRISE
19:40ZSOLAR NOON
02:34ZSUNSET
03:08ZCIVIL END
CURRENT18:12Z DAYLIGHT REMAINING8h 22m VFR NIGHT BEGINS03:08Z (8h 55m) DAY LENGTH13h 48m
Waxing Gibbous
ILLUMINATION94% MOONRISE22:52Z MOONSET12:41Z FULL MOON IN2 days

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

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