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// STALE Observation is 3h 46m old — METAR cadence is typically hourly. A fresh report may be on its way.

// Station · 3h 46m ago · STALE

GATB

Tombouktou Airport
CAT MVFR
WIND 310° / 3 kt
VIS 5.0 SM
CEILING CLR
T/Td 36°C / 20°C
ALTIM 29.91 inHg
ELEV 863 FT
16.7305°N / 3.0076°W
LOCATION · Timbuktu, ML
N
WIND
310°3 kt
GATB · 863 FT
© OSM · CartoDB

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

METRIC
NOW · 12Z
+6H
+12H
+18H
WIND
310°/3
 
 
 
VIS
5.0 SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
36 / 20
 
 
 
ALTIM
29.91"
 
 
 

// Interpretation

MVFR — visibility 5.0 SM. Light winds at 310°/3 kt, visibility 5.0 SM, no reported cloud layers. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

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

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// Raw observation METAR string + decoded

METAR GATB 251230Z 31003KT 220V020 8000 NSC 36/20 Q1013

GATB · day 25 at 12:30 UTC · wind from 310° at 3 kt · visibility 5.0 SM · temp 36°C / dewpoint 20°C · altimeter 29.91" Hg

// Runway analysis · computed from current METAR wind

Wind 310° @ 3 kt
ALL USABLE · WINDS CALM
N
WIND
310°3 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 2 ends
07 HDG 070° CALM 6,923'
25 HDG 250° CALM 6,923'
Pattern altitude: 1,863 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 +23°C

3,600FT
+2,737 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV863 FT OAT+36°C ISA DELTA+23°C PRESSURE ALT869 FT
// Performance equivalent Your aircraft will perform as if it's at a field 3,600 ft high on a standard ISA day — that's +2,737 ft above GATB's actual elevation.
// Aircraft performance impact DANGEROUS
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+36%
-25%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+25%
-16%
Light jetCJ4, Phenom 300, M2
+14%
-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. 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 · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 19,045 FT GATB ELEV · 863 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL19,045 ft VFR MARGINunlimited

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

05:58ZSUNRISE
12:15ZSOLAR NOON
18:32ZSUNSET
18:54ZCIVIL END
CURRENT16:16Z DAYLIGHT REMAINING2h 15m VFR NIGHT BEGINS18:54Z (2h 37m) DAY LENGTH12h 33m
Waxing Gibbous
ILLUMINATION94% MOONRISE16:01Z MOONSET04:34Z FULL MOON IN2 days

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