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// KGON · Groton New London Airport · Groton

// Station · 7m ago

KGON

Groton New London Airport
CAT VFR
WIND 320° / 7 kt
VIS 10+ SM
CEILING CLR
T/Td 15.6°C / 12.8°C
ALTIM 29.86 inHg
ELEV 9 FT
41.3301°N / 72.0451°W
LOCATION · Groton, US
N
WIND
320°7 kt
KGON · 9 FT
© OSM · CartoDB

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

METRIC
NOW · 01Z
+6H
+12H
+18H
WIND
320°/7
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
—
 
 
 
T / Td
16 / 13
 
 
 
ALTIM
29.86"
 
 
 

Loading TAF forecast…

// Interpretation

VFR with light winds at 320°/7 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 KGON 130156Z 32007KT 10SM CLR 16/13 A2986 RMK AO2 SLP109 T01560128 $

KGON · day 13 at 01:56 UTC · wind from 320° at 7 kt · visibility 10+ SM · temp 16°C / dewpoint 13°C · altimeter 29.86" Hg · automated station w/ precipitation discriminator · sea-level pressure 1010.9 mb

// Runway analysis · computed from current METAR wind

Wind 320° @ 7 kt
3 USABLE · 1 AVOID · 2 CAUTION
N
WIND
320°7 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 3 usable
33★ HDG 330° H7 kt X1 kt LEFT PRIMARY · 4,000'
05 HDG 050° H0 kt X7 kt LEFT ⚠ HIGH XW · 100%
23 HDG 230° H0 kt X7 kt RIGHT ⚠ HIGH XW · 100%
TAILWIND ENDS · AVOID 1 ends
15 HDG 150° T7 kt X1 kt RIGHT —
Pattern altitude: 1,009 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

200FT
+191 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV9 FT OAT+16°C ISA DELTA+1°C PRESSURE ALT65 FT
// Performance equivalent Operating here right now feels like operating at K4B8 (Robertson Field, Plainville, elev 200 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+2%
-1%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+1%
-1%
Light jetCJ4, Phenom 300, M2
+1%
-1%

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 · 7,888 FT KGON ELEV · 9 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL7,888 ft VFR MARGINunlimited

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

10:57ZSUNRISE
16:35ZSOLAR NOON
22:14ZSUNSET
22:41ZCIVIL END
CURRENT02:03Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS22:41Z (past) DAY LENGTH11h 16m
Waxing Crescent
ILLUMINATION3% MOONRISE12:20Z MOONSET23:36Z FULL MOON IN13 days

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

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