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// Station · 20m ago

KGFK

Grand Forks International Airport
CAT VFR
WIND 270° / 17 kt G23
VIS 10+ SM
CEILING BKN at 3,100 ft
T/Td 24.4°C / 16.1°C
ALTIM 29.88 inHg
ELEV 845 FT
47.9493°N / 97.1761°W
LOCATION · Grand Forks, US
N
WIND
270°17 kt
KGFK · 845 FT
© OSM · CartoDB

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

METRIC
NOW · 17Z
+6H
+12H
+18H
WIND
270°/17G23
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN031
 
 
 
LAYERS
BKN031
 
 
 
T / Td
24 / 16
 
 
 
ALTIM
29.88"
 
 
 

// Interpretation

VFR — ceiling 3,100 ft. Brisk winds at 270°/17 kt, gusting 23, visibility better than 10 statute miles, broken at 3,100 ft. 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 KGFK 251753Z 27017G23KT 10SM BKN031 24/16 A2988 RMK AO2 SLP114 T02440161 10244 20167 50001

KGFK · day 25 at 17:53 UTC · wind from 270° at 17 kt, gusts to 23 kt · visibility 10+ SM · broken layer at 3,100 ft · temp 24°C / dewpoint 16°C · altimeter 29.88" Hg · automated station w/ precipitation discriminator · sea-level pressure 1011.4 mb

// Runway analysis · computed from current METAR wind

Wind 270° @ 17 ktG23
4 USABLE · 4 AVOID · 2 CAUTION
N
WIND
270°17G23 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 4 usable
27R HDG 270° H17 kt X0 kt PRIMARY · 6,701'
27L HDG 270° H17 kt X0 kt 3,300'
35R HDG 350° H3 kt X17 kt LEFT ⚠ HIGH XW · 74%
35L HDG 350° H3 kt X17 kt LEFT ⚠ HIGH XW · 74%
TAILWIND ENDS · AVOID 4 ends
17L HDG 170° T3 kt X17 kt RIGHT
17R HDG 170° T3 kt X17 kt RIGHT
09L HDG 090° T17 kt X0 kt
09R HDG 090° T17 kt X0 kt
Pattern altitude: 1,845 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 +11°C

2,200FT
+1,355 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV845 FT OAT+24°C ISA DELTA+11°C PRESSURE ALT884 FT
// Performance equivalent Operating here right now feels like operating at K08D (Stanley Municipal Airport, Stanley, elev 2,245 ft) on a standard ISA day.
// Aircraft performance impact MODERATE
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+22%
-15%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+15%
-10%
Light jetCJ4, Phenom 300, M2
+9%
-7%

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 · 13,168 FT BKN031 · CEILING KGFK ELEV · 845 FT
// Reported layers (highest → lowest)
BKN031
Broken · base 3,100 ft AGL · ~5–7 oktas
// Computed
CEILING3,100 ft AGL HIGHEST LAYER3,100 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL13,168 ft VFR MARGIN+100 ft

// Sun & Moon · times in Z · bar = local day (UTC-6)

11:38ZSUNRISE
18:32ZSOLAR NOON
01:25ZSUNSET
01:58ZCIVIL END
CURRENT18:13Z DAYLIGHT REMAINING7h 12m VFR NIGHT BEGINS01:58Z (7h 45m) DAY LENGTH13h 47m
Waxing Gibbous
ILLUMINATION94% MOONRISE21:45Z MOONSET11:32Z FULL MOON IN2 days

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