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// Station · 24m ago

LFYR

Romorantin Pruniers Airbase
CAT VFR
WIND CALM
VIS 6+ SM
CEILING CLR
T/Td 18°C / 13°C
ALTIM 30.00 inHg
ELEV 289 FT
47.3175°N / 1.6910°E
LOCATION · Gièvres, Loir-et-Cher, FR
N
WIND
000°0 kt
LFYR · 289 FT
© OSM · CartoDB

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

METRIC
NOW · 23Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
6+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
18 / 13
 
 
 
ALTIM
30.00"
 
 
 

// Interpretation

VFR with winds calm. 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 LFYR 142330Z AUTO 00000KT CAVOK 18/13 Q1016

LFYR · day 14 at 23:30 UTC · winds calm · visibility 6+ SM · temp 18°C / dewpoint 13°C · altimeter 30.00" Hg

// Runway analysis · computed from current METAR wind

Wind CALM
ALL USABLE · WINDS CALM
N
WIND
000°calm
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 4 ends
04L HDG 040° CALM 3,609'
22R HDG 220° CALM 3,609'
04R HDG 040° CALM 3,117'
22L HDG 220° CALM 3,117'
Pattern altitude: 1,289 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 +3°C

600FT
+311 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -400 FT
3,200 1,700 200
24h AGO18h12h6hNOW
FIELD ELEV289 FT OAT+18°C ISA DELTA+3°C PRESSURE ALT207 FT
// Performance equivalent Operating here right now feels like operating at LFOA (Avord (BA 702) Air Base, Avord, elev 580 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+6%
-4%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+4%
-3%
Light jetCJ4, Phenom 300, M2
+2%
-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.

// Cloud layers · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 9,380 FT LFYR ELEV · 289 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL9,380 ft VFR MARGINunlimited

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

04:11ZSUNRISE
12:00ZSOLAR NOON
19:48ZSUNSET
20:26ZCIVIL END
CURRENT23:54Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS20:26Z (past) DAY LENGTH15h 36m
New Moon
ILLUMINATION0% MOONRISE04:21Z MOONSET19:58Z 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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