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// Station · 12m ago

KISP

Long Island MacArthur Airport
CAT VFR
WIND 050° / 8 kt
VIS 10+ SM
CEILING BKN at 25,000 ft
T/Td 25°C / 20°C
ALTIM 29.95 inHg
ELEV 99 FT
40.7963°N / 73.1017°W
LOCATION · Islip, US
N
WIND
050°8 kt
KISP · 99 FT
© OSM · CartoDB

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

METRIC
NOW · 12Z
+6H
+12H
+18H
WIND
050°/8
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN250
 
 
 
LAYERS
FEW080 SCT110 BKN250
 
 
 
T / Td
25 / 20
 
 
 
ALTIM
29.95"
 
 
 

// Interpretation

VFR — ceiling 25,000 ft. Moderate winds at 050°/8 kt, visibility better than 10 statute miles, a few at 8,000 ft, scattered at 11,000 ft, and broken at 25,000 ft. 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 KISP 111256Z 05008KT 10SM FEW080 SCT110 BKN250 25/20 A2995 RMK AO2 SLP140 T02500200

KISP · day 11 at 12:56 UTC · wind from 050° at 8 kt · visibility 10+ SM · a few clouds at 8,000 ft · scattered layer at 11,000 ft · broken layer at 25,000 ft · temp 25°C / dewpoint 20°C · altimeter 29.95" Hg · automated station w/ precipitation discriminator · sea-level pressure 1014.0 mb

// Runway analysis · computed from current METAR wind

Wind 050° @ 8 kt
3 USABLE · 3 AVOID · 2 CAUTION
N
WIND
050°8 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 3 usable
06 HDG 060° H8 kt X1 kt LEFT PRIMARY · 7,006'
33R HDG 330° H1 kt X8 kt RIGHT ⚠ HIGH XW · 100%
33L HDG 330° H1 kt X8 kt RIGHT ⚠ HIGH XW · 100%
TAILWIND ENDS · AVOID 3 ends
15L HDG 150° T1 kt X8 kt LEFT
15R HDG 150° T1 kt X8 kt LEFT
24 HDG 240° T8 kt X1 kt RIGHT
Pattern altitude: 1,099 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 +10°C

1,300FT
+1,201 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -400 FT
2,200 1,500 800
24h AGO18h12h6hNOW
FIELD ELEV99 FT OAT+25°C ISA DELTA+10°C PRESSURE ALT67 FT
// Performance equivalent Operating here right now feels like operating at KN03 (Cortland County Chase Field, Cortland, elev 1,198 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 · 12,725 FT FEW080 SCT110 BKN250 · CEILING KISP ELEV · 99 FT
// Reported layers (highest → lowest)
BKN250
Broken · base 25,000 ft AGL · ~5–7 oktas
SCT110
Scattered · base 11,000 ft AGL · ~3–4 oktas
FEW080
Few · base 8,000 ft AGL · ~1–2 oktas
// Computed
CEILING25,000 ft AGL HIGHEST LAYER25,000 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL12,725 ft VFR MARGIN+22,000 ft

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

09:31ZSUNRISE
16:58ZSOLAR NOON
00:26ZSUNSET
00:58ZCIVIL END
CURRENT13:08Z DAYLIGHT REMAINING11h 17m VFR NIGHT BEGINS00:58Z (11h 50m) DAY LENGTH14h 54m
Waning Crescent
ILLUMINATION11% MOONRISE06:53Z MOONSET21:47Z FULL MOON IN18 days

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

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

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