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// Station · 12m ago

KGDB

Granite Falls Municipal Airport / Lenzen-Roe Memorial Field
CAT VFR
WIND 130° / 13 kt G22
VIS 10+ SM
CEILING BKN at 10,000 ft
T/Td 27.2°C / 9°C
ALTIM 29.96 inHg
ELEV 1,047 FT
44.7533°N / 95.5560°W
LOCATION · Granite Falls, US
N
WIND
130°13 kt
KGDB · 1,047 FT
© OSM · CartoDB

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

METRIC
NOW · 19Z
+6H
+12H
+18H
WIND
130°/13G22
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN100
 
 
 
LAYERS
SCT065 BKN100
 
 
 
T / Td
27 / 9
 
 
 
ALTIM
29.96"
 
 
 

// Interpretation

VFR — ceiling 10,000 ft. Brisk winds at 130°/13 kt, gusting 22, visibility better than 10 statute miles, scattered at 6,500 ft, and broken at 10,000 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 KGDB 301915Z AUTO 13013G22KT 10SM SCT065 BKN100 27/09 A2996 RMK AO2 T02720090

KGDB · day 30 at 19:15 UTC · wind from 130° at 13 kt, gusts to 22 kt · visibility 10+ SM · scattered layer at 6,500 ft · broken layer at 10,000 ft · temp 27°C / dewpoint 9°C · altimeter 29.96" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 130° @ 13 ktG22
1 USABLE · 1 AVOID
N
WIND
130°13G22 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
15 HDG 150° H12 kt X4 kt LEFT PRIMARY · 4,357'
TAILWIND ENDS · AVOID 1 ends
33 HDG 330° T12 kt X4 kt RIGHT
Pattern altitude: 2,047 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

2,700FT
+1,653 FT ABOVE FIELD ELEV
FIELD ELEV1,047 FT OAT+27°C ISA DELTA+14°C PRESSURE ALT1,006 FT
// Performance equivalent Operating here right now feels like operating at KSUO (Rosebud Sioux Tribal Airport, Rosebud, elev 2,724 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+27%
-19%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+19%
-12%
Light jetCJ4, Phenom 300, M2
+11%
-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.

// Cloud layers · 2 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 14,784 FT SCT065 BKN100 · CEILING KGDB ELEV · 1,047 FT
// Reported layers (highest → lowest)
BKN100
Broken · base 10,000 ft AGL · ~5–7 oktas
SCT065
Scattered · base 6,500 ft AGL · ~3–4 oktas
// Computed
CEILING10,000 ft AGL HIGHEST LAYER10,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL14,784 ft VFR MARGIN+7,000 ft

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

10:42ZSUNRISE
18:21ZSOLAR NOON
02:00ZSUNSET
02:36ZCIVIL END
CURRENT19:27Z DAYLIGHT REMAINING6h 32m VFR NIGHT BEGINS02:36Z (7h 08m) DAY LENGTH15h 17m
Full Moon
ILLUMINATION99% MOONRISE22:08Z MOONSET13:26Z FULL MOON IN1 day

// Nearest reporting stations · 5 shown · 60 NM radius

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

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