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// Station · 9m ago

KGPI

Glacier Park International Airport
CAT VFR
WIND 180° / 6 kt
VIS 10+ SM
CEILING BKN at 4,700 ft
T/Td 6.1°C / 0°C
ALTIM 30.00 inHg
ELEV 2,977 FT
48.3105°N / 114.2560°W
LOCATION · Kalispell, US
N
WIND
180°6 kt
KGPI · 2,977 FT
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// Current + 24h forecast · METAR loaded · TAF loading…

METRIC
NOW · 00Z
+6H
+12H
+18H
WIND
180°/6
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN047
 
 
 
LAYERS
BKN047
 
 
 
T / Td
6 / 0
 
 
 
ALTIM
30.00"
 
 
 

// Interpretation

VFR — ceiling 4,700 ft. Light winds at 180°/6 kt, visibility better than 10 statute miles, broken at 4,700 ft. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 SM.

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SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR KGPI 130055Z 18006KT 10SM BKN047 06/00 A3000 RMK AO2 SLP177 T00610000

KGPI · day 13 at 00:55 UTC · wind from 180° at 6 kt · visibility 10+ SM · broken layer at 4,700 ft · temp 6°C / dewpoint 0°C · altimeter 30.00" Hg · automated station w/ precipitation discriminator · sea-level pressure 1017.7 mb

// Runway analysis · computed from current METAR wind

Wind 180° @ 6 kt
2 USABLE · 2 AVOID
N
WIND
180°6 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
20★ HDG 200° H6 kt X2 kt LEFT PRIMARY · 9,007'
12 HDG 120° H3 kt X5 kt RIGHT 3,510'
TAILWIND ENDS · AVOID 2 ends
30 HDG 300° T3 kt X5 kt LEFT —
02 HDG 020° T6 kt X2 kt RIGHT —
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 -3°C

2,500FT
-477 FT BELOW FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV2,977 FT OAT+6°C ISA DELTA-3°C PRESSURE ALT2,895 FT
// Performance equivalent Operating here right now feels like operating at KS34 (Plains Airport, Plains, elev 2,467 ft) on a standard ISA day.
// Aircraft performance impact ENHANCED
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+25%
-18%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+18%
-11%
Light jetCJ4, Phenom 300, M2
+10%
-8%

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 · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 6,058 FT BKN047 · CEILING KGPI ELEV · 2,977 FT
// Reported layers (highest → lowest)
BKN047
Broken · base 4,700 ft AGL · ~5–7 oktas
// Computed
CEILING4,700 ft AGL HIGHEST LAYER4,700 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL6,058 ft VFR MARGIN+1,700 ft

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

13:53ZSUNRISE
19:24ZSOLAR NOON
00:55ZSUNSET
01:27ZCIVIL END
CURRENT01:04Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS01:27Z (22m) DAY LENGTH11h 02m
Waxing Crescent
ILLUMINATION3% MOONRISE15:14Z MOONSET02:16Z FULL MOON IN13 days

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