// Station · 58m ago
KAPC
Napa County Airport
CAT VFR
WIND 200° / 12 kt
VIS 10+ SM
CEILING CLR
T/Td 29.4°C / 13.9°C
ALTIM 29.93 inHg
ELEV 35 FT
38.2132°N / 122.2810°W
LOCATION · Napa, US
WIND
200°12 kt
KAPC · 35 FT
© OSM · CartoDB
// Current + 24h forecast · METAR loaded · TAF loading…
METRIC
NOW · 22Z
+6H
+12H
+18H
WIND
200°/12
VIS
10+ SM
CEILING
CLR
LAYERS
—
T / Td
29 / 14
ALTIM
29.93"
// Interpretation
VFR with moderate winds at 200°/12 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…
// Want this glance-able on 10 airports? METAR Deck →// Raw observation METAR string + decoded
METAR KAPC 142254Z 20012KT 10SM CLR 29/14 A2993 RMK AO2 SLP126 T02940139
KAPC · day 14 at 22:54 UTC · wind from 200° at 12 kt · visibility 10+ SM · temp 29°C / dewpoint 14°C · altimeter 29.93" Hg · automated station w/ precipitation discriminator · sea-level pressure 1012.6 mb
// Runway analysis · computed from current METAR wind
Wind 200° @ 12 kt
3 USABLE · 3 AVOID · 1 CAUTION
WIND
200°12 kt
HEADWIND
CAUTION · HIGH XW
AVOID · TAILWIND
HEADWIND ENDS
3 usable
19R★
HDG 190°
H12 kt
X2 kt RIGHT
PRIMARY · 5,930'
19L
HDG 190°
H12 kt
X2 kt RIGHT
2,510'
24
HDG 240°
H9 kt
X8 kt LEFT
⚠ HIGH XW · 67%
TAILWIND ENDS · AVOID
3 ends
6
HDG 060°
T9 kt
X8 kt RIGHT
—
01L
HDG 010°
T12 kt
X2 kt LEFT
—
01R
HDG 010°
T12 kt
X2 kt LEFT
—
Pattern altitude: 1,035 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 +14°C
1,800FT
+1,765 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS
↗ +600 FT
24h AGO18h12h6hNOW
FIELD ELEV35 FT
OAT+29°C
ISA DELTA+14°C
PRESSURE ALT23 FT
// Performance equivalent
Operating here right now feels like operating at KTNP
(Twentynine Palms Airport, Twentynine Palms, elev 1,888 ft)
on a standard ISA day.
// Aircraft performance impact
MINOR
TAKEOFF ROLL
CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+18%
-13%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+13%
-8%
Light jetCJ4, Phenom 300, M2
+7%
-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.
// Cloud layers · clear · no layers reported
// Sun & Moon · times in Z · bar = local day (UTC-8)
12:58ZSUNRISE
20:16ZSOLAR NOON
03:33ZSUNSET
04:04ZCIVIL END
CURRENT23:52Z
DAYLIGHT REMAINING3h 41m
VFR NIGHT BEGINS04:04Z (4h 12m)
DAY LENGTH14h 35m
New Moon
ILLUMINATION0%
MOONRISE13:08Z
MOONSET03:43Z
FULL MOON IN15 days
// Nearest reporting stations · 5 shown · 60 NM radius
KDVO
VFR
Marin County Airport - Gnoss Field · Novato
- WIND
- 300° / 10 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 14 NM W
- AGE
- 17m ago
KO69
VFR
Petaluma Municipal Airport · Petaluma
- WIND
- 280° / 8 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 16 NM W
- AGE
- 17m ago
KSUU
VFR
Travis Air Force Base · Fairfield
- WIND
- 240° / 14 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 17 NM E
- AGE
- 57m ago
KCCR
VFR
Buchanan Field · Concord
- WIND
- 300° / 14 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 17 NM SE
- AGE
- 59m ago
KVCB
VFR
Nut Tree Airport · Vacaville
- WIND
- VRB / 6 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 18 NM NE
- AGE
- 59m ago
// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay
© OpenStreetMap · CartoDB · OpenAIP
//
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