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// Station · 23m ago

FHAW

RAF Ascension Island
CAT VFR
WIND 140° / 16 kt
VIS 6+ SM
CEILING Few/scattered only
T/Td 25°C / 18°C
ALTIM 29.94 inHg
ELEV 278 FT
7.9702°S / 14.3927°W
LOCATION · Cat Hill, SH
N
WIND
140°16 kt
FHAW · 278 FT
© OSM · CartoDB

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

METRIC
NOW · 17Z
+6H
+12H
+18H
WIND
140°/16
 
 
 
VIS
6+ SM
 
 
 
CEILING
 
 
 
LAYERS
FEW024
 
 
 
T / Td
25 / 18
 
 
 
ALTIM
29.94"
 
 
 

// Interpretation

VFR with brisk winds at 140°/16 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.

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

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// Raw observation METAR string + decoded

METAR FHAW 251750Z 14016KT 9999 FEW024 25/18 Q1014 NOSIG RMK BLU BLU

FHAW · day 25 at 17:50 UTC · wind from 140° at 16 kt · visibility 6+ SM · a few clouds at 2,400 ft · temp 25°C / dewpoint 18°C · altimeter 29.94" Hg

// Runway analysis · computed from current METAR wind

Wind 140° @ 16 kt
1 USABLE · 1 AVOID
N
WIND
140°16 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
13 HDG 130° H16 kt X3 kt RIGHT PRIMARY · 10,019'
TAILWIND ENDS · AVOID 1 ends
31 HDG 310° T16 kt X3 kt LEFT
Pattern altitude: 1,278 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

1,500FT
+1,222 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV278 FT OAT+25°C ISA DELTA+11°C PRESSURE ALT255 FT
// Performance equivalent Operating here right now feels like operating at FHSH (Saint Helena International Airport, Jamestown, elev 1,017 ft) on a standard ISA day.
// Aircraft performance impact MODERATE
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+15%
-11%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+11%
-7%
Light jetCJ4, Phenom 300, M2
+6%
-5%

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 · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 12,904 FT FEW024 FHAW ELEV · 278 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 LEVEL12,904 ft VFR MARGINunlimited

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

07:03ZSUNRISE
13:01ZSOLAR NOON
18:58ZSUNSET
19:19ZCIVIL END
CURRENT18:13Z DAYLIGHT REMAINING45m VFR NIGHT BEGINS19:19Z (1h 06m) DAY LENGTH11h 54m
Waxing Gibbous
ILLUMINATION94% MOONRISE17:10Z MOONSET05:04Z FULL MOON IN2 days

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// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay

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