// Station · 23m ago
KS21
Sunriver Airport
CAT VFR
WIND 200° / 14 kt G22
VIS 9.0 SM
CEILING CLR
T/Td 31°C / -3°C
ALTIM 30.18 inHg
ELEV 4,164 FT
43.8763°N / 121.4530°W
LOCATION · Sunriver, US
WIND
200°14 kt
KS21 · 4,164 FT
© OSM · CartoDB
// Current + 24h forecast · METAR loaded · TAF loading…
METRIC
NOW · 21Z
+6H
+12H
+18H
WIND
200°/14G22
VIS
9.0 SM
CEILING
CLR
LAYERS
—
T / Td
31 / -3
ALTIM
30.18"
// Interpretation
VFR with brisk winds at 200°/14 kt, gusting 22. Visibility 9.0 SM 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 KS21 142150Z AUTO 20014G22KT 9SM CLR 31/M03 A3018 RMK AO2
KS21 · day 14 at 21:50 UTC · wind from 200° at 14 kt, gusts to 22 kt · visibility 9.0 SM · temp 31°C / dewpoint -3°C · altimeter 30.18" Hg · automated station w/ precipitation discriminator
// Runway analysis · computed from current METAR wind
Wind 200° @ 14 ktG22
1 USABLE · 1 AVOID
WIND
200°14G22 kt
HEADWIND
CAUTION · HIGH XW
AVOID · TAILWIND
HEADWIND ENDS
1 usable
18★
HDG 180°
H13 kt
X5 kt RIGHT
PRIMARY · 5,460'
TAILWIND ENDS · AVOID
1 ends
36
HDG 360°
T13 kt
X5 kt LEFT
—
Pattern altitude: 5,164 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 +24°C
6,700FT
+2,536 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS
↘ -100 FT
24h AGO18h12h6hNOW
FIELD ELEV4,164 FT
OAT+31°C
ISA DELTA+24°C
PRESSURE ALT3,901 FT
// Performance equivalent
Operating here right now feels like operating at KWYS
(Yellowstone Airport, West Yellowstone, elev 6,649 ft)
on a standard ISA day.
// Aircraft performance impact
SIGNIFICANT
TAKEOFF ROLL
CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+67%
-47%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+47%
-30%
Light jetCJ4, Phenom 300, M2
+27%
-20%
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)
12:37ZSUNRISE
20:12ZSOLAR NOON
03:47ZSUNSET
04:22ZCIVIL END
CURRENT22:13Z
DAYLIGHT REMAINING5h 34m
VFR NIGHT BEGINS04:22Z (6h 09m)
DAY LENGTH15h 10m
New Moon
ILLUMINATION0%
MOONRISE12:44Z
MOONSET03:54Z
FULL MOON IN15 days
// Nearest reporting stations · 5 shown · 100 NM (sparse area)
KBDN
VFR
Bend Municipal Airport · Bend
- WIND
- 250° / 9 ktG15
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 17 NM NE
- AGE
- 18m ago
KRDM
VFR
Roberts Field · Redmond
- WIND
- 190° / 14 ktG20
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 26 NM NE
- AGE
- 17m ago
KS39
VFR
Prineville Airport · Prineville
- WIND
- 360° / 11 kt
- VIS
- 10+ SM
- CEILING
- SCT110
- DIST
- 34 NM NE
- AGE
- 18m ago
KS33
VFR
Madras Municipal Airport · Madras
- WIND
- 070° / 5 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 49 NM N
- AGE
- 18m ago
K77S
VFR
Hobby Field · Creswell
- WIND
- 010° / 8 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 67 NM W
- AGE
- 18m ago
// Area map · 80 NM radius · CartoDB Dark Matter + aeronautical overlay
© OpenStreetMap · CartoDB · OpenAIP
//
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