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// Station · 11m ago

LBSF

Sofia Airport
CAT VFR
WIND 320° / 8 kt
VIS 6+ SM
CEILING CLR
T/Td 30°C / 8°C
ALTIM 30.06 inHg
ELEV 1,742 FT
42.6964°N / 23.4177°E
LOCATION · Sofia, BG
N
WIND
320°8 kt
LBSF · 1,742 FT
© OSM · CartoDB

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

METRIC
NOW · 13Z
+6H
+12H
+18H
WIND
320°/8
 
 
 
VIS
6+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
30 / 8
 
 
 
ALTIM
30.06"
 
 
 

// Interpretation

VFR with moderate winds at 320°/8 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 LBSF 111300Z 32008KT 280V080 CAVOK 30/08 Q1018 NOSIG

LBSF · day 11 at 13:00 UTC · wind from 320° at 8 kt · visibility 6+ SM · temp 30°C / dewpoint 8°C · altimeter 30.06" Hg

// Runway analysis · computed from current METAR wind

Wind 320° @ 8 kt
1 USABLE · 1 AVOID · 1 CAUTION
N
WIND
320°8 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
27 HDG 270° H5 kt X6 kt RIGHT PRIMARY · 11,811'
TAILWIND ENDS · AVOID 1 ends
09 HDG 090° T5 kt X6 kt LEFT
Pattern altitude: 2,742 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 +18°C

3,800FT
+2,058 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +400 FT
4,200 2,550 900
24h AGO18h12h6hNOW
FIELD ELEV1,742 FT OAT+30°C ISA DELTA+18°C PRESSURE ALT1,600 FT
// Performance equivalent Your aircraft will perform as if it's at a field 3,800 ft high on a standard ISA day — that's +2,058 ft above LBSF's actual elevation.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+38%
-27%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+27%
-17%
Light jetCJ4, Phenom 300, M2
+15%
-11%

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 · 16,894 FT LBSF ELEV · 1,742 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL16,894 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+2)

02:59ZSUNRISE
10:32ZSOLAR NOON
18:06ZSUNSET
18:40ZCIVIL END
CURRENT13:11Z DAYLIGHT REMAINING4h 54m VFR NIGHT BEGINS18:40Z (5h 28m) DAY LENGTH15h 06m
Waning Crescent
ILLUMINATION11% MOONRISE00:21Z MOONSET15:28Z FULL MOON IN18 days

// Nearest reporting stations · 5 shown · 100 NM (sparse area)

// Area map · 100 NM radius · CartoDB Dark Matter + aeronautical overlay

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