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// Station · 3m ago

KGDB

Granite Falls Municipal Airport / Lenzen-Roe Memorial Field
CAT VFR
WIND 200° / 6 kt
VIS 10+ SM
CEILING CLR
T/Td 32.8°C / 22.7°C
ALTIM 30.16 inHg
ELEV 1,047 FT
44.7533°N / 95.5560°W
LOCATION · Granite Falls, US
N
WIND
200°6 kt
KGDB · 1,047 FT
© OSM · CartoDB

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

METRIC
NOW · 21Z
+6H
+12H
+18H
WIND
200°/6
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
33 / 23
 
 
 
ALTIM
30.16"
 
 
 

// Interpretation

VFR with light winds at 200°/6 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 KGDB 142115Z AUTO 20006KT 10SM CLR 33/23 A3016 RMK AO2 T03280227

KGDB · day 14 at 21:15 UTC · wind from 200° at 6 kt · visibility 10+ SM · temp 33°C / dewpoint 23°C · altimeter 30.16" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 200° @ 6 kt
1 USABLE · 1 AVOID
N
WIND
200°6 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
15 HDG 150° H4 kt X5 kt RIGHT PRIMARY · 4,357'
TAILWIND ENDS · AVOID 1 ends
33 HDG 330° T4 kt X5 kt LEFT
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 +19°C

3,100FT
+2,053 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +100 FT
3,400 2,250 1,100
24h AGO18h12h6hNOW
FIELD ELEV1,047 FT OAT+33°C ISA DELTA+19°C PRESSURE ALT805 FT
// Performance equivalent Operating here right now feels like operating at KHSR (Hot Springs Municipal Airport, Hot Springs, elev 3,150 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+31%
-22%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+22%
-14%
Light jetCJ4, Phenom 300, M2
+12%
-9%

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 · 17,613 FT KGDB ELEV · 1,047 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL17,613 ft VFR MARGINunlimited

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

10:50ZSUNRISE
18:29ZSOLAR NOON
02:07ZSUNSET
02:43ZCIVIL END
CURRENT21:18Z DAYLIGHT REMAINING4h 48m VFR NIGHT BEGINS02:43Z (5h 24m) DAY LENGTH15h 16m
New Moon
ILLUMINATION0% MOONRISE10:55Z MOONSET02:12Z FULL MOON IN15 days

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

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

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