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// Station · 22m ago

KN03

Cortland County Chase Field
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 12°C / 10°C
ALTIM 30.18 inHg
ELEV 1,198 FT
42.5926°N / 76.2149°W
LOCATION · Cortland, US
N
WIND
000°0 kt
KN03 · 1,198 FT
© OSM · CartoDB

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

METRIC
NOW · 00Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
12 / 10
 
 
 
ALTIM
30.18"
 
 
 

// Interpretation

VFR with winds calm. 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 KN03 290055Z AUTO 00000KT 10SM CLR 12/10 A3018 RMK AO2

KN03 · day 29 at 00:55 UTC · winds calm · visibility 10+ SM · temp 12°C / dewpoint 10°C · altimeter 30.18" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind CALM
ALL USABLE · WINDS CALM
N
WIND
000°calm
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 2 ends
06 HDG 060° CALM 3,401'
24 HDG 240° CALM 3,401'
Pattern altitude: 2,198 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 -1°C

800FT
-398 FT BELOW FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV1,198 FT OAT+12°C ISA DELTA-1°C PRESSURE ALT935 FT
// Performance equivalent Operating here right now feels like operating at KMAL (Malone Dufort Airport, Malone, elev 790 ft) on a standard ISA day.
// Aircraft performance impact ENHANCED
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+8%
-6%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+6%
-4%
Light jetCJ4, Phenom 300, M2
+3%
-2%

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 · 7,259 FT KN03 ELEV · 1,198 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL7,259 ft VFR MARGINunlimited

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

10:26ZSUNRISE
17:07ZSOLAR NOON
23:48ZSUNSET
00:17ZCIVIL END
CURRENT01:17Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS00:17Z (past) DAY LENGTH13h 21m
Waning Gibbous
ILLUMINATION99% MOONRISE23:13Z MOONSET12:35Z FULL MOON IN29 days

// Nearest reporting stations

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

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