// Station · 5m ago
KBTM
Bert Mooney Airport
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 19.4°C / 5.6°C
ALTIM 30.08 inHg
ELEV 5,550 FT
45.9548°N / 112.4970°W
LOCATION · Butte, US
WIND
000°0 kt
KBTM · 5,550 FT
© OSM · CartoDB
// Current + 24h forecast · METAR loaded · TAF loading…
METRIC
NOW · 14Z
+6H
+12H
+18H
WIND
CALM
VIS
10+ SM
CEILING
CLR
LAYERS
—
T / Td
19 / 6
ALTIM
30.08"
// Interpretation
VFR with winds calm. 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 KBTM 111453Z AUTO 00000KT 10SM CLR 19/06 A3008 RMK AO2 SLP114 T01940056 51007
KBTM · day 11 at 14:53 UTC · winds calm · visibility 10+ SM · temp 19°C / dewpoint 6°C · altimeter 30.08" Hg · automated station w/ precipitation discriminator · sea-level pressure 1011.4 mb
// Runway analysis · computed from current METAR wind
Wind CALM
ALL USABLE · WINDS CALM
WIND
000°calm
HEADWIND
CAUTION · HIGH XW
AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS
4 ends
15
HDG 150°
—CALM
——
9,000'
33
HDG 330°
—CALM
——
9,000'
12
HDG 120°
—CALM
——
5,100'
30
HDG 300°
—CALM
——
5,100'
Pattern altitude: 6,550 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 +15°C
7,200FT
+1,650 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS
↗ +100 FT
24h AGO18h12h6hNOW
FIELD ELEV5,550 FT
OAT+19°C
ISA DELTA+15°C
PRESSURE ALT5,388 FT
// Performance equivalent
Operating here right now feels like operating at KPNA
(Ralph Wenz Field, Pinedale, elev 7,102 ft)
on a standard ISA day.
// Aircraft performance impact
DANGEROUS
TAKEOFF ROLL
CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+72%
-50%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+50%
-32%
Light jetCJ4, Phenom 300, M2
+29%
-22%
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-7)
11:51ZSUNRISE
19:36ZSOLAR NOON
03:21ZSUNSET
03:58ZCIVIL END
CURRENT14:58Z
DAYLIGHT REMAINING12h 22m
VFR NIGHT BEGINS03:58Z (12h 59m)
DAY LENGTH15h 29m
Waning Crescent
ILLUMINATION11%
MOONRISE09:17Z
MOONSET00:46Z
FULL MOON IN18 days
// Nearest reporting stations · 5 shown · 60 NM radius
K3U3
VFR
Bowman Field · Anaconda
- WIND
- 180° / 11 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 20 NM NW
- AGE
- 3m ago
KDLN
VFR
Dillon Airport · Dillon
- WIND
- 200° / 6 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 42 NM S
- AGE
- 5m ago
KHLN
VFR
Helena Regional Airport · Helena
- WIND
- 350° / 3 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 45 NM NE
- AGE
- 5m ago
KEKS
VFR
Ennis Big Sky Airport · Ennis
- WIND
- CALM
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 54 NM SE
- AGE
- 28m ago
KBZN
VFR
Bozeman Yellowstone International Airport · Bozeman
- WIND
- CALM
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 57 NM E
- AGE
- 2m ago
// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay
© OpenStreetMap · CartoDB · OpenAIP
//
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