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// Station · 19m ago

KPTV

Porterville Municipal Airport
CAT VFR
WIND 310° / 8 kt
VIS 10+ SM
CEILING CLR
T/Td 38.9°C / 16.1°C
ALTIM 29.86 inHg
ELEV 442 FT
36.0296°N / 119.0630°W
LOCATION · Porterville, US
N
WIND
310°8 kt
KPTV · 442 FT
© OSM · CartoDB

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

METRIC
NOW · 00Z
+6H
+12H
+18H
WIND
310°/8
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
39 / 16
 
 
 
ALTIM
29.86"
 
 
 

// Interpretation

VFR with moderate winds at 310°/8 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 KPTV 150056Z AUTO 31008KT 10SM CLR 39/16 A2986 RMK AO2 SLPNO T03890161 $

KPTV · day 15 at 00:56 UTC · wind from 310° at 8 kt · visibility 10+ SM · temp 39°C / dewpoint 16°C · altimeter 29.86" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 310° @ 8 kt
1 USABLE · 1 AVOID
N
WIND
310°8 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
30 HDG 300° H8 kt X1 kt RIGHT PRIMARY · 5,960'
TAILWIND ENDS · AVOID 1 ends
12 HDG 120° T8 kt X1 kt LEFT
Pattern altitude: 1,442 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 +25°C

3,500FT
+3,058 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +900 FT
3,900 2,350 800
24h AGO18h12h6hNOW
FIELD ELEV442 FT OAT+39°C ISA DELTA+25°C PRESSURE ALT498 FT
// Performance equivalent Operating here right now feels like operating at K2O1 (Gansner Field, Quincy, elev 3,415 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+35%
-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 · 20,088 FT KPTV ELEV · 442 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL20,088 ft VFR MARGINunlimited

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

12:51ZSUNRISE
20:03ZSOLAR NOON
03:14ZSUNSET
03:44ZCIVIL END
CURRENT01:15Z DAYLIGHT REMAINING1h 59m VFR NIGHT BEGINS03:44Z (2h 29m) DAY LENGTH14h 23m
New Moon
ILLUMINATION0% MOONRISE13:04Z MOONSET03:27Z 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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