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// Station · 21m ago

K4V9

Antelope County Airport
CAT VFR
WIND 160° / 9 kt
VIS 10+ SM
CEILING CLR
T/Td 29°C / 19°C
ALTIM 30.15 inHg
ELEV 1,774 FT
42.1122°N / 98.0387°W
LOCATION · Neligh, US
N
WIND
160°9 kt
K4V9 · 1,774 FT
© OSM · CartoDB

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

METRIC
NOW · 00Z
+6H
+12H
+18H
WIND
160°/9
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
29 / 19
 
 
 
ALTIM
30.15"
 
 
 

// Interpretation

VFR with moderate winds at 160°/9 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 K4V9 150055Z AUTO 16009KT 10SM CLR 29/19 A3015 RMK AO2

K4V9 · day 15 at 00:55 UTC · wind from 160° at 9 kt · visibility 10+ SM · temp 29°C / dewpoint 19°C · altimeter 30.15" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 160° @ 9 kt
2 USABLE · 2 AVOID
N
WIND
160°9 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
19 HDG 190° H8 kt X4 kt LEFT PRIMARY · 3,700'
13 HDG 130° H8 kt X4 kt RIGHT 3,310'
TAILWIND ENDS · AVOID 2 ends
1 HDG 010° T8 kt X4 kt RIGHT
31 HDG 310° T8 kt X4 kt LEFT
Pattern altitude: 2,774 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 +17°C

3,600FT
+1,826 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +300 FT
4,200 3,050 1,900
24h AGO18h12h6hNOW
FIELD ELEV1,774 FT OAT+29°C ISA DELTA+17°C PRESSURE ALT1,541 FT
// Performance equivalent Operating here right now feels like operating at KGRN (Gordon Municipal Airport, Gordon, elev 3,562 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+36%
-25%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+25%
-16%
Light jetCJ4, Phenom 300, M2
+14%
-11%

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 · 16,420 FT K4V9 ELEV · 1,774 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL16,420 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-7)

11:09ZSUNRISE
18:39ZSOLAR NOON
02:08ZSUNSET
02:41ZCIVIL END
CURRENT01:16Z DAYLIGHT REMAINING52m VFR NIGHT BEGINS02:41Z (1h 25m) DAY LENGTH14h 58m
New Moon
ILLUMINATION0% MOONRISE11:22Z MOONSET02:21Z 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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