// 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

WIND

050°4 kt

KGPI · 2,977 FT

// 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

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

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

// 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

K7S0

VFR

Ronan Airport · Ronan

WIND: CALM
VIS: 10+ SM
CEILING: CLR
DIST: 45 NM S
AGE: 22m ago

KS34

VFR

Plains Airport · Plains

WIND: CALM
VIS: 10+ SM
CEILING: CLR
DIST: 57 NM SW
AGE: 22m ago

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

AIRSPACE

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