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// Station · 22m ago

KGPI

Glacier Park International Airport
CAT VFR
WIND 050° / 4 kt
VIS 10+ SM
CEILING CLR
T/Td 17.8°C / 11.7°C
ALTIM 29.88 inHg
ELEV 2,977 FT
48.3105°N / 114.2560°W
LOCATION · Kalispell, US
N
WIND
050°4 kt
KGPI · 2,977 FT
© OSM · CartoDB

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

METRIC
NOW · 13Z
+6H
+12H
+18H
WIND
050°/4
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
18 / 12
 
 
 
ALTIM
29.88"
 
 
 

// Interpretation

VFR with light winds at 050°/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 111355Z 05004KT 10SM CLR 18/12 A2988 RMK AO2 SLP097 T01780117 $

KGPI · day 11 at 13:55 UTC · wind from 050° at 4 kt · visibility 10+ SM · temp 18°C / dewpoint 12°C · altimeter 29.88" Hg · automated station w/ precipitation discriminator · sea-level pressure 1009.7 mb

// Runway analysis · computed from current METAR wind

Wind 050° @ 4 kt
ALL USABLE · WINDS CALM
N
WIND
050°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 +9°C

4,100FT
+1,123 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +200 FT
5,900 4,450 3,000
24h AGO18h12h6hNOW
FIELD ELEV2,977 FT OAT+18°C ISA DELTA+9°C PRESSURE ALT3,016 FT
// Performance equivalent Operating here right now feels like operating at K9S5 (Three Forks Airport, Three Forks, elev 4,089 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+41%
-29%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+29%
-18%
Light jetCJ4, Phenom 300, M2
+16%
-12%

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 · 11,967 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 LEVEL11,967 ft VFR MARGINunlimited

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

11:49ZSUNRISE
19:43ZSOLAR NOON
03:38ZSUNSET
04:18ZCIVIL END
CURRENT14:17Z DAYLIGHT REMAINING13h 20m VFR NIGHT BEGINS04:18Z (14h 00m) DAY LENGTH15h 49m
Waning Crescent
ILLUMINATION11% MOONRISE09:13Z MOONSET01:02Z FULL MOON IN18 days

// Nearest reporting stations · 2 shown · 60 NM radius

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

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