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// Station · 18m ago

KD55

Robertson Field
CAT VFR
WIND 050° / 9 kt
VIS 9.0 SM
CEILING CLR
T/Td 22°C / 20°C
ALTIM 30.18 inHg
ELEV 1,608 FT
48.7530°N / 98.3933°W
LOCATION · Langdon, US
N
WIND
050°9 kt
KD55 · 1,608 FT
© OSM · CartoDB

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

METRIC
NOW · 01Z
+6H
+12H
+18H
WIND
050°/9
 
 
 
VIS
9.0 SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
22 / 20
 
 
 
ALTIM
30.18"
 
 
 

// Interpretation

VFR with moderate winds at 050°/9 kt. Visibility 9.0 SM 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 KD55 150155Z AUTO 05009KT 9SM CLR 22/20 A3018 RMK AO2

KD55 · day 15 at 01:55 UTC · wind from 050° at 9 kt · visibility 9.0 SM · temp 22°C / dewpoint 20°C · altimeter 30.18" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 050° @ 9 kt
3 USABLE · 1 AVOID · 2 CAUTION
N
WIND
050°9 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 3 usable
08 HDG 080° H8 kt X4 kt LEFT PRIMARY · 1,930'
14 HDG 140° H0 kt X9 kt LEFT ⚠ HIGH XW · 100%
32 HDG 320° H0 kt X9 kt RIGHT ⚠ HIGH XW · 100%
TAILWIND ENDS · AVOID 1 ends
26 HDG 260° T8 kt X5 kt RIGHT
Pattern altitude: 2,608 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 +10°C

2,500FT
+892 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -1,100 FT
3,800 3,000 2,200
24h AGO18h12h6hNOW
FIELD ELEV1,608 FT OAT+22°C ISA DELTA+10°C PRESSURE ALT1,345 FT
// Performance equivalent Operating here right now feels like operating at KDIK (Dickinson Theodore Roosevelt Regional Airport, Dickinson, elev 2,592 ft) on a standard ISA day.
// Aircraft performance impact MINOR
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.

// Cloud layers · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 12,719 FT KD55 ELEV · 1,608 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL12,719 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-7)

10:46ZSUNRISE
18:40ZSOLAR NOON
02:34ZSUNSET
03:14ZCIVIL END
CURRENT02:13Z DAYLIGHT REMAINING21m VFR NIGHT BEGINS03:14Z (1h 01m) DAY LENGTH15h 47m
New Moon
ILLUMINATION0% MOONRISE11:01Z MOONSET02:48Z FULL MOON IN14 days

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

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

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