// Station · 21m ago
KCPU
Calaveras Co Maury Rasmussen Field
CAT VFR
WIND 340° / 8 kt
VIS 10+ SM
CEILING CLR
T/Td 23.3°C / 9.3°C
ALTIM 30.09 inHg
ELEV 1,325 FT
38.1461°N / 120.6480°W
LOCATION · San Andreas, US
WIND
340°8 kt
KCPU · 1,325 FT
© OSM · CartoDB
// Current + 24h forecast · METAR loaded · TAF loading…
METRIC
NOW · 20Z
+6H
+12H
+18H
WIND
340°/8
VIS
10+ SM
CEILING
CLR
LAYERS
—
T / Td
23 / 9
ALTIM
30.09"
// Interpretation
VFR with moderate winds at 340°/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…
// Want this glance-able on 10 airports? METAR Deck →// Raw observation METAR string + decoded
METAR KCPU 302035Z AUTO 34008KT 310V020 10SM CLR 23/09 A3009 RMK AO2 T02330093
KCPU · day 30 at 20:35 UTC · wind from 340° at 8 kt · visibility 10+ SM · temp 23°C / dewpoint 9°C · altimeter 30.09" Hg · automated station w/ precipitation discriminator
// Runway analysis · computed from current METAR wind
Wind 340° @ 8 kt
1 USABLE · 1 AVOID
WIND
340°8 kt
HEADWIND
CAUTION · HIGH XW
AVOID · TAILWIND
HEADWIND ENDS
1 usable
31★
HDG 310°
H7 kt
X4 kt RIGHT
PRIMARY · 3,602'
TAILWIND ENDS · AVOID
1 ends
13
HDG 130°
T7 kt
X4 kt LEFT
—
Pattern altitude: 2,325 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 +11°C
2,400FT
+1,075 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS
↗ +700 FT
24h AGO18h12h6hNOW
FIELD ELEV1,325 FT
OAT+23°C
ISA DELTA+11°C
PRESSURE ALT1,154 FT
// Performance equivalent
Operating here right now feels like operating at KO86
(Trinity Center Airport, Trinity Center, elev 2,390 ft)
on a standard ISA day.
// Aircraft performance impact
MINOR
TAKEOFF ROLL
CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+24%
-17%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+17%
-11%
Light jetCJ4, Phenom 300, M2
+10%
-7%
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)
12:43ZSUNRISE
20:01ZSOLAR NOON
03:19ZSUNSET
03:50ZCIVIL END
CURRENT20:56Z
DAYLIGHT REMAINING6h 23m
VFR NIGHT BEGINS03:50Z (6h 54m)
DAY LENGTH14h 36m
Full Moon
ILLUMINATION100%
MOONRISE00:13Z
MOONSET14:49Z
FULL MOON IN1 day
// Nearest reporting stations · 5 shown · 60 NM radius
KO22
VFR
Columbia Airport · Columbia
- WIND
- VRB / 5 ktG11
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 13 NM SE
- AGE
- 41m ago
KSCK
VFR
Stockton Metropolitan Airport · Stockton
- WIND
- VRB / 3 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 32 NM SW
- AGE
- 1h 1m ago
KMOD
VFR
Modesto City Co-Harry Sham Field · Modesto
- WIND
- 310° / 3 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 34 NM SW
- AGE
- 3m ago
KPVF
VFR
Placerville Airport · Placerville
- WIND
- 310° / 4 kt
- VIS
- 10+ SM
- CEILING
- FEW039
- DIST
- 35 NM N
- AGE
- 21m ago
KO61
VFR
Cameron Airpark · Cameron Park
- WIND
- VRB / 5 kt
- VIS
- 8.0 SM
- CEILING
- CLR
- DIST
- 36 NM NW
- AGE
- 21m ago
// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay
© OpenStreetMap · CartoDB · OpenAIP
//
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