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// Station · 14m ago

KSSI

St Simons Island Airport
CAT MVFR
WIND 170° / 11 kt
VIS 9.0 SM
CEILING BKN at 2,000 ft
T/Td 27°C / 24°C
ALTIM 30.05 inHg
ELEV 19 FT
31.1518°N / 81.3913°W
LOCATION · St Simons Island, US
N
WIND
170°11 kt
KSSI · 19 FT
© OSM · CartoDB

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

METRIC
NOW · 09Z
+6H
+12H
+18H
WIND
170°/11
 
 
 
VIS
9.0 SM
 
 
 
CEILING
BKN020
 
 
 
LAYERS
SCT015 BKN020 BKN030
 
 
 
T / Td
27 / 24
 
 
 
ALTIM
30.05"
 
 
 

// Interpretation

MVFR — ceiling 2,000 ft. Moderate winds at 170°/11 kt, visibility 9.0 SM, scattered at 1,500 ft, broken at 2,000 ft, and broken at 3,000 ft. 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.

Loading TAF forecast narrative…

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

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// Raw observation METAR string + decoded

METAR KSSI 270935Z AUTO 17011KT 9SM SCT015 BKN020 BKN030 27/24 A3005 RMK AO2

KSSI · day 27 at 09:35 UTC · wind from 170° at 11 kt · visibility 9.0 SM · scattered layer at 1,500 ft · broken layer at 2,000 ft · broken layer at 3,000 ft · temp 27°C / dewpoint 24°C · altimeter 30.05" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 170° @ 11 kt
2 USABLE · 2 AVOID · 1 CAUTION
N
WIND
170°11 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
16 HDG 160° H11 kt X2 kt RIGHT PRIMARY · 3,313'
22 HDG 220° H7 kt X8 kt LEFT ⚠ HIGH XW · 73%
TAILWIND ENDS · AVOID 2 ends
04 HDG 040° T7 kt X8 kt RIGHT
34 HDG 340° T11 kt X2 kt LEFT
Pattern altitude: 1,019 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 +12°C

1,300FT
+1,281 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +0 FT
1,900 1,550 1,200
24h AGO18h12h6hNOW
FIELD ELEV19 FT OAT+27°C ISA DELTA+12°C PRESSURE ALT-114 FT
// Performance equivalent Operating here right now feels like operating at KMGE (Dobbins Air Reserve Base, Marietta, elev 1,068 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+13%
-9%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+9%
-6%
Light jetCJ4, Phenom 300, M2
+5%
-4%

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 · 3 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 13,655 FT SCT015 BKN020 · CEILING BKN030 KSSI ELEV · 19 FT
// Reported layers (highest → lowest)
BKN030
Broken · base 3,000 ft AGL · ~5–7 oktas
BKN020
Broken · base 2,000 ft AGL · ~5–7 oktas
SCT015
Scattered · base 1,500 ft AGL · ~3–4 oktas
// Computed
CEILING2,000 ft AGL HIGHEST LAYER3,000 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL13,655 ft VFR MARGIN-1,000 ft

// Sun & Moon · times in Z · bar = local day (UTC-5)

10:25ZSUNRISE
17:24ZSOLAR NOON
00:23ZSUNSET
00:50ZCIVIL END
CURRENT09:49Z DAYLIGHT REMAINING14h 33m VFR NIGHT BEGINS00:50Z (15h 01m) DAY LENGTH13h 57m
Waxing Gibbous
ILLUMINATION82% MOONRISE19:05Z MOONSET09:03Z FULL MOON IN4 days

// Nearest reporting stations · 5 shown · 60 NM radius

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

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