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// Station · 2m ago

KTPH

Tonopah Airport
CAT VFR
WIND 310° / 4 kt
VIS 10+ SM
CEILING CLR
T/Td 19.4°C / -5.6°C
ALTIM 30.16 inHg
ELEV 5,430 FT
38.0602°N / 117.0870°W
LOCATION · Tonopah, US
N
WIND
310°4 kt
KTPH · 5,430 FT
© OSM · CartoDB

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

METRIC
NOW · 13Z
+6H
+12H
+18H
WIND
310°/4
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
19 / -6
 
 
 
ALTIM
30.16"
 
 
 

// Interpretation

VFR with light winds at 310°/4 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 KTPH 111356Z AUTO 31004KT 10SM CLR 19/M06 A3016 RMK AO2 SLP119 T01941056

KTPH · day 11 at 13:56 UTC · wind from 310° at 4 kt · visibility 10+ SM · temp 19°C / dewpoint -6°C · altimeter 30.16" Hg · automated station w/ precipitation discriminator · sea-level pressure 1011.9 mb

// Runway analysis · computed from current METAR wind

Wind 310° @ 4 kt
ALL USABLE · WINDS CALM
N
WIND
310°4 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 4 ends
15 HDG 150° CALM 7,160'
33 HDG 330° CALM 7,160'
11 HDG 110° CALM 5,660'
29 HDG 290° CALM 5,660'
Pattern altitude: 6,430 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 +15°C

6,900FT
+1,470 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -700 FT
9,500 7,900 6,300
24h AGO18h12h6hNOW
FIELD ELEV5,430 FT OAT+19°C ISA DELTA+15°C PRESSURE ALT5,188 FT
// Performance equivalent Operating here right now feels like operating at KMMH (Mammoth Yosemite Airport, Mammoth Lakes, elev 7,135 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+69%
-48%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+48%
-31%
Light jetCJ4, Phenom 300, M2
+28%
-21%

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 · 15,228 FT KTPH ELEV · 5,430 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL15,228 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-8)

12:36ZSUNRISE
19:54ZSOLAR NOON
03:13ZSUNSET
03:44ZCIVIL END
CURRENT13:58Z DAYLIGHT REMAINING13h 15m VFR NIGHT BEGINS03:44Z (13h 45m) DAY LENGTH14h 37m
Waning Crescent
ILLUMINATION11% MOONRISE09:59Z MOONSET00:37Z FULL MOON IN18 days

// Nearest reporting stations · 4 shown · 100 NM (sparse area)

// Area map · 100 NM radius · CartoDB Dark Matter + aeronautical overlay

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