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// Station · 14m ago

LFRN

Rennes-Saint-Jacques Airport
CAT VFR
WIND 070° / 12 kt
VIS 6+ SM
CEILING CLR
T/Td 37°C / 13°C
ALTIM 29.91 inHg
ELEV 124 FT
48.0695°N / 1.7348°W
LOCATION · Saint-Jacques-de-la-Lande, Ille-et-Vilaine, FR
N
WIND
070°12 kt
LFRN · 124 FT
© OSM · CartoDB

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

METRIC
NOW · 15Z
+6H
+12H
+18H
WIND
070°/12
 
 
 
VIS
6+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
37 / 13
 
 
 
ALTIM
29.91"
 
 
 

// Interpretation

VFR with moderate winds at 070°/12 kt. Visibility 6+ 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 LFRN 111500Z AUTO 07012KT 040V120 CAVOK 37/13 Q1013 TEMPO 3000 TSRAGR BKN100CB

LFRN · day 11 at 15:00 UTC · wind from 070° at 12 kt · visibility 6+ SM · temp 37°C / dewpoint 13°C · altimeter 29.91" Hg

// Runway analysis · computed from current METAR wind

Wind 070° @ 12 kt
2 USABLE · 2 AVOID · 1 CAUTION
N
WIND
070°12 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
10 HDG 100° H10 kt X6 kt LEFT PRIMARY · 6,890'
14 HDG 140° H4 kt X11 kt LEFT ⚠ HIGH XW · 92%
TAILWIND ENDS · AVOID 2 ends
32 HDG 320° T4 kt X11 kt RIGHT
28 HDG 280° T10 kt X6 kt RIGHT
Pattern altitude: 1,124 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 +22°C

2,800FT
+2,676 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +0 FT
3,200 1,650 100
24h AGO18h12h6hNOW
FIELD ELEV124 FT OAT+37°C ISA DELTA+22°C PRESSURE ALT130 FT
// Performance equivalent Operating here right now feels like operating at LFHP (Le Puy-Loudes Airfield, Chaspuzac, Haute-Loire, elev 2,731 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+28%
-20%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+20%
-13%
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 · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 18,811 FT LFRN ELEV · 124 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL18,811 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+0)

04:19ZSUNRISE
12:13ZSOLAR NOON
20:07ZSUNSET
20:47ZCIVIL END
CURRENT15:14Z DAYLIGHT REMAINING4h 52m VFR NIGHT BEGINS20:47Z (5h 32m) DAY LENGTH15h 47m
Waning Crescent
ILLUMINATION11% MOONRISE01:45Z MOONSET17:33Z FULL MOON IN18 days

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

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

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