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// Station · 21m ago

KOPN

Thomaston Upson County Airport
CAT VFR
WIND 090° / 5 kt
VIS 10+ SM
CEILING CLR
T/Td 25°C / 23°C
ALTIM 30.10 inHg
ELEV 798 FT
32.9546°N / 84.2632°W
LOCATION · Thomaston, US
N
WIND
090°5 kt
KOPN · 798 FT
© OSM · CartoDB

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

METRIC
NOW · 23Z
+6H
+12H
+18H
WIND
090°/5
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
25 / 23
 
 
 
ALTIM
30.10"
 
 
 

// Interpretation

VFR with light winds at 090°/5 kt. Visibility better than 10 statute miles 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 KOPN 142335Z AUTO 09005KT 10SM CLR 25/23 A3010 RMK AO2 LTG DSNT N S AND SW

KOPN · day 14 at 23:35 UTC · wind from 090° at 5 kt · visibility 10+ SM · temp 25°C / dewpoint 23°C · altimeter 30.10" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 090° @ 5 kt
1 USABLE · 1 AVOID
N
WIND
090°5 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
12 HDG 120° H4 kt X2 kt LEFT PRIMARY · 6,350'
TAILWIND ENDS · AVOID 1 ends
30 HDG 300° T4 kt X3 kt RIGHT
Pattern altitude: 1,798 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

2,000FT
+1,202 FT ABOVE FIELD ELEV
FIELD ELEV798 FT OAT+25°C ISA DELTA+11°C PRESSURE ALT615 FT
// Performance equivalent Operating here right now feels like operating at KDZJ (Blairsville Airport, Blairsville, elev 1,911 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+20%
-14%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+14%
-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 · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 13,424 FT KOPN ELEV · 798 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL13,424 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-6)

10:39ZSUNRISE
17:43ZSOLAR NOON
00:48ZSUNSET
01:16ZCIVIL END
CURRENT23:56Z DAYLIGHT REMAINING51m VFR NIGHT BEGINS01:16Z (1h 19m) DAY LENGTH14h 08m
New Moon
ILLUMINATION0% MOONRISE10:49Z MOONSET00:58Z FULL MOON IN15 days

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

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

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