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// Station · 11m ago

K4B8

Robertson Field
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 26.2°C / 17.5°C
ALTIM 30.00 inHg
ELEV 200 FT
41.6904°N / 72.8648°W
LOCATION · Plainville, US
N
WIND
000°0 kt
K4B8 · 200 FT
© OSM · CartoDB

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

METRIC
NOW · 22Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
26 / 18
 
 
 
ALTIM
30.00"
 
 
 

// 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.

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

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// Raw observation METAR string + decoded

METAR K4B8 282255Z AUTO 00000KT 10SM CLR 26/17 A3000 RMK AO2 T02620175 $

K4B8 · day 28 at 22:55 UTC · winds calm · visibility 10+ SM · temp 26°C / dewpoint 18°C · altimeter 30.00" 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
02 HDG 020° CALM 3,666'
20 HDG 200° CALM 3,666'
Pattern altitude: 1,200 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
+1,300 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV200 FT OAT+26°C ISA DELTA+11°C PRESSURE ALT118 FT
// Performance equivalent Operating here right now feels like operating at KMSV (Sullivan County International Airport, Monticello, elev 1,403 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 · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 13,432 FT K4B8 ELEV · 200 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL13,432 ft VFR MARGINunlimited

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

10:14ZSUNRISE
16:54ZSOLAR NOON
23:33ZSUNSET
00:02ZCIVIL END
CURRENT23:06Z DAYLIGHT REMAINING27m VFR NIGHT BEGINS00:02Z (55m) DAY LENGTH13h 19m
Full Moon
ILLUMINATION99% MOONRISE22:57Z MOONSET12:16Z 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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