// Station · 5m ago
RJCH
Hakodate Airport
CAT LIFR
WIND 240° / 4 kt
VIS 3.1 SM
CEILING OVC at 100 ft
T/Td 21°C / 21°C
ALTIM 29.80 inHg
WX BR
ELEV 151 FT
41.7700°N / 140.8220°E
LOCATION · Hakodate, JP
WIND
240°4 kt
RJCH · 151 FT
© OSM · CartoDB
// Current + 24h forecast · METAR loaded · TAF loading…
METRIC
NOW · 14Z
+6H
+12H
+18H
WIND
240°/4
VIS
3.1 SM
CEILING
OVC001
LAYERS
OVC001
T / Td
21 / 21
ALTIM
29.80"
// Interpretation
LIFR — ceiling 100 ft. Light winds at 240°/4 kt, visibility 3.1 SM, overcast at 100 ft. Reported weather: BR. Reported weather: BR. LIFR is the lowest standard category. Would improve to IFR above 500 ft and 1 SM.
Loading TAF forecast narrative…
// Want this glance-able on 10 airports? METAR Deck →// Raw observation METAR string + decoded
METAR RJCH 111400Z AUTO 24004KT 5000 BR OVC001 //////TCU 21/21 Q1009
RJCH · day 11 at 14:00 UTC · wind from 240° at 4 kt · visibility 3.1 SM · overcast at 100 ft · temp 21°C / dewpoint 21°C · altimeter 29.80" Hg · weather: BR
// Runway analysis · computed from current METAR wind
Wind 240° @ 4 kt
ALL USABLE · WINDS CALM
WIND
240°4 kt
HEADWIND
CAUTION · HIGH XW
AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS
2 ends
12
HDG 120°
—CALM
——
9,842'
30
HDG 300°
—CALM
——
9,842'
Pattern altitude: 1,151 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 +7°C
1,100FT
+949 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS
↗ +0 FT
24h AGO18h12h6hNOW
FIELD ELEV151 FT
OAT+21°C
ISA DELTA+7°C
PRESSURE ALT275 FT
// Performance equivalent
Operating here right now feels like operating at RJEC
(Asahikawa Airport, Higashikagura, elev 721 ft)
on a standard ISA day.
// Aircraft performance impact
MINOR
TAKEOFF ROLL
CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+11%
-8%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+8%
-5%
Light jetCJ4, Phenom 300, M2
+4%
-3%
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 · 1 reported · highest to lowest
// Sun & Moon · times in Z · bar = local day (UTC+9)
19:12ZSUNRISE
02:43ZSOLAR NOON
10:13ZSUNSET
10:47ZCIVIL END
CURRENT14:05Z
DAYLIGHT REMAINING0m
VFR NIGHT BEGINS10:47Z (past)
DAY LENGTH15h 01m
Waning Crescent
ILLUMINATION11%
MOONRISE16:36Z
MOONSET07:37Z
FULL MOON IN18 days
// Nearest reporting stations · 3 shown · 100 NM (sparse area)
RJSA
VFR
Aomori Airport · Aomori
- WIND
- 210° / 10 kt
- VIS
- 6+ SM
- CEILING
- BKN050
- DIST
- 63 NM S
- AGE
- 5m ago
RJSM
VFR
Misawa Airport / Misawa Air Base · Misawa
- WIND
- 200° / 3 kt
- VIS
- 6+ SM
- CEILING
- BKN050
- DIST
- 69 NM S
- AGE
- 5m ago
RJCC
MVFR
New Chitose Airport · Sapporo
- WIND
- 150° / 8 kt
- VIS
- 5.0 SM
- CEILING
- BKN040
- DIST
- 72 NM NE
- AGE
- 5m ago
// Area map · 80 NM radius · CartoDB Dark Matter + aeronautical overlay
© OpenStreetMap · CartoDB · OpenAIP
//
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