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// Station · 15m ago

KD55

Robertson Field
CAT LIFR
WIND 340° / 9 kt
VIS 2.0 SM
CEILING OVC at 300 ft
T/Td 4°C / 4°C
ALTIM 29.89 inHg
WX BR
ELEV 1,608 FT
48.7530°N / 98.3933°W
LOCATION · Langdon, US
N
WIND
340°9 kt
KD55 · 1,608 FT
© OSM · CartoDB

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

METRIC
NOW · 06Z
+6H
+12H
+18H
WIND
340°/9
 
 
 
VIS
2.0 SM
 
 
 
CEILING
OVC003
 
 
 
LAYERS
OVC003
 
 
 
T / Td
4 / 4
 
 
 
ALTIM
29.89"
 
 
 

// Interpretation

LIFR — ceiling 300 ft. Moderate winds at 340°/9 kt, visibility 2.0 SM, overcast at 300 ft. Reported weather: mist (BR). Mist is water droplets thinning visibility to between 5/8 and 6 SM — the moist, lighter cousin of fog. LIFR is the lowest standard category. Would improve to IFR above 500 ft and 1 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR KD55 130615Z AUTO 34009KT 2SM BR OVC003 04/04 A2989 RMK AO2

KD55 · day 13 at 06:15 UTC · wind from 340° at 9 kt · visibility 2.0 SM · overcast at 300 ft · temp 4°C / dewpoint 4°C · altimeter 29.89" Hg · weather: mist (BR) · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 340° @ 9 kt
2 USABLE · 2 AVOID · 1 CAUTION
N
WIND
340°9 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
32★ HDG 320° H8 kt X3 kt RIGHT PRIMARY · 3,600'
26 HDG 260° H2 kt X9 kt RIGHT ⚠ HIGH XW · 100%
TAILWIND ENDS · AVOID 2 ends
08 HDG 080° T2 kt X9 kt LEFT —
14 HDG 140° T8 kt X3 kt LEFT —
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 -8°C

700FT
-908 FT BELOW FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV1,608 FT OAT+4°C ISA DELTA-8°C PRESSURE ALT1,635 FT
// Performance equivalent Operating here right now feels like operating at KPMB (Pembina Municipal Airport, Pembina, elev 795 ft) on a standard ISA day.
// Aircraft performance impact ENHANCED
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+7%
-5%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+5%
-3%
Light jetCJ4, Phenom 300, M2
+3%
-2%

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 · 3,628 FT OVC003 · CEILING KD55 ELEV · 1,608 FT
// Reported layers (highest → lowest)
OVC003
Overcast · base 300 ft AGL · 8 oktas
// Computed
CEILING300 ft AGL HIGHEST LAYER300 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL3,628 ft VFR MARGIN-2,700 ft

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

12:50ZSUNRISE
18:21ZSOLAR NOON
23:52ZSUNSET
00:23ZCIVIL END
CURRENT06:30Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS00:23Z (past) DAY LENGTH11h 01m
Waxing Crescent
ILLUMINATION4% MOONRISE14:22Z MOONSET01:24Z FULL MOON IN13 days

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