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// STALE Observation is 1h 21m old — METAR cadence is typically hourly. A fresh report may be on its way.

// Station · 1h 21m ago · STALE

SBUF

Paulo Afonso Airport
CAT VFR
WIND 110° / 9 kt
VIS 6+ SM
CEILING CLR
T/Td 30°C / 17°C
ALTIM 30.03 inHg
ELEV 883 FT
9.4009°S / 38.2506°W
LOCATION · Paulo Afonso, BR
N
WIND
110°9 kt
SBUF · 883 FT
© OSM · CartoDB

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

METRIC
NOW · 15Z
+6H
+12H
+18H
WIND
110°/9
 
 
 
VIS
6+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
30 / 17
 
 
 
ALTIM
30.03"
 
 
 

// Interpretation

VFR with moderate winds at 110°/9 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 SBUF 111500Z AUTO 11009KT CAVOK 30/17 Q1017

SBUF · day 11 at 15:00 UTC · wind from 110° at 9 kt · visibility 6+ SM · temp 30°C / dewpoint 17°C · altimeter 30.03" Hg

// Runway analysis · computed from current METAR wind

Wind 110° @ 9 kt
1 USABLE · 1 AVOID
N
WIND
110°9 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
14 HDG 140° H8 kt X4 kt LEFT PRIMARY · 5,906'
TAILWIND ENDS · AVOID 1 ends
32 HDG 320° T8 kt X5 kt RIGHT
Pattern altitude: 1,883 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 +17°C

2,800FT
+1,917 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -300 FT
3,500 2,500 1,500
24h AGO18h12h6hNOW
FIELD ELEV883 FT OAT+30°C ISA DELTA+17°C PRESSURE ALT771 FT
// Performance equivalent Operating here right now feels like operating at SNBR (Dom Ricardo Weberberger Airport, Barreiras, elev 2,451 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 · 16,035 FT SBUF ELEV · 883 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL16,035 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-3)

08:51ZSUNRISE
14:39ZSOLAR NOON
20:27ZSUNSET
20:50ZCIVIL END
CURRENT16:21Z DAYLIGHT REMAINING4h 06m VFR NIGHT BEGINS20:50Z (4h 28m) DAY LENGTH11h 36m
Waning Crescent
ILLUMINATION11% MOONRISE06:19Z MOONSET17:56Z FULL MOON IN18 days

// Nearest reporting stations · 4 shown · 150 NM (sparse area)

// Area map · 160 NM radius · CartoDB Dark Matter + aeronautical overlay

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