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// Station · 14m ago

GMAT

Tan Tan Airport
CAT VFR
WIND 010° / 19 kt
VIS 6+ SM
CEILING Few/scattered only
T/Td 25°C / 18°C
ALTIM 29.88 inHg
ELEV 653 FT
28.4476°N / 11.1617°W
LOCATION · Tan Tan, MA
N
WIND
010°19 kt
GMAT · 653 FT
© OSM · CartoDB

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

METRIC
NOW · 15Z
+6H
+12H
+18H
WIND
010°/19
 
 
 
VIS
6+ SM
 
 
 
CEILING
 
 
 
LAYERS
FEW024
 
 
 
T / Td
25 / 18
 
 
 
ALTIM
29.88"
 
 
 

// Interpretation

VFR with brisk winds at 010°/19 kt. Visibility 6+ SM and a few at 2,400 ft. 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 GMAT 111500Z 01019KT 9999 FEW024 25/18 Q1012 NOSIG

GMAT · day 11 at 15:00 UTC · wind from 010° at 19 kt · visibility 6+ SM · a few clouds at 2,400 ft · temp 25°C / dewpoint 18°C · altimeter 29.88" Hg

// Runway analysis · computed from current METAR wind

Wind 010° @ 19 kt
1 USABLE · 1 AVOID
N
WIND
010°19 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
03 HDG 030° H18 kt X6 kt LEFT PRIMARY · 6,562'
TAILWIND ENDS · AVOID 1 ends
21 HDG 210° T18 kt X6 kt RIGHT
Pattern altitude: 1,653 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 +11°C

2,100FT
+1,447 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +0 FT
2,400 1,800 1,200
24h AGO18h12h6hNOW
FIELD ELEV653 FT OAT+25°C ISA DELTA+11°C PRESSURE ALT689 FT
// Performance equivalent Operating here right now feels like operating at GMAZ (Zagora Airport, Zagora, elev 2,414 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+21%
-15%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+15%
-9%
Light jetCJ4, Phenom 300, M2
+8%
-6%

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 · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 13,279 FT FEW024 GMAT ELEV · 653 FT
// Reported layers (highest → lowest)
FEW024
Few · base 2,400 ft AGL · ~1–2 oktas
// Computed
CEILING HIGHEST LAYER2,400 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL13,279 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-1)

05:56ZSUNRISE
12:51ZSOLAR NOON
19:46ZSUNSET
20:12ZCIVIL END
CURRENT15:14Z DAYLIGHT REMAINING4h 31m VFR NIGHT BEGINS20:12Z (4h 58m) DAY LENGTH13h 50m
Waning Crescent
ILLUMINATION11% MOONRISE03:22Z MOONSET17:12Z 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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