// Station · 28m ago
KSMN
Lemhi County Airport
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 24.4°C / 8.3°C
ALTIM 30.02 inHg
ELEV 4,043 FT
45.1222°N / 113.8820°W
LOCATION · Salmon, US
WIND
000°0 kt
KSMN · 4,043 FT
© OSM · CartoDB
// Current + 24h forecast · METAR loaded · TAF loading…
METRIC
NOW · 16Z
+6H
+12H
+18H
WIND
CALM
VIS
10+ SM
CEILING
CLR
LAYERS
—
T / Td
24 / 8
ALTIM
30.02"
// 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 KSMN 111656Z AUTO 00000KT 10SM CLR 24/08 A3002 RMK AO2 SLP128 T02440083
KSMN · day 11 at 16:56 UTC · winds calm · visibility 10+ SM · temp 24°C / dewpoint 8°C · altimeter 30.02" Hg · automated station w/ precipitation discriminator · sea-level pressure 1012.8 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
2 ends
17
HDG 170°
—CALM
——
5,510'
35
HDG 350°
—CALM
——
5,510'
Pattern altitude: 5,043 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 +17°C
6,000FT
+1,957 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS
↘ -100 FT
24h AGO18h12h6hNOW
FIELD ELEV4,043 FT
OAT+24°C
ISA DELTA+17°C
PRESSURE ALT3,940 FT
// Performance equivalent
Operating here right now feels like operating at K1U7
(Bear Lake County Airport, Paris, elev 5,928 ft)
on a standard ISA day.
// Aircraft performance impact
SIGNIFICANT
TAKEOFF ROLL
CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+60%
-42%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+42%
-27%
Light jetCJ4, Phenom 300, M2
+24%
-18%
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)
12:00ZSUNRISE
19:42ZSOLAR NOON
03:23ZSUNSET
04:00ZCIVIL END
CURRENT17:24Z
DAYLIGHT REMAINING9h 59m
VFR NIGHT BEGINS04:00Z (10h 35m)
DAY LENGTH15h 23m
Waning Crescent
ILLUMINATION10%
MOONRISE09:30Z
MOONSET00:54Z
FULL MOON IN18 days
// Nearest reporting stations · 4 shown · 100 NM (sparse area)
KLLJ
VFR
Challis Airport · Challis
- WIND
- VRB / 4 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 39 NM S
- AGE
- 29m ago
KDLN
VFR
Dillon Airport · Dillon
- WIND
- CALM
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 57 NM E
- AGE
- 31m ago
K3U3
VFR
Bowman Field · Anaconda
- WIND
- 200° / 18 ktG24
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 75 NM NE
- AGE
- 9m ago
KBTM
VFR
Bert Mooney Airport · Butte
- WIND
- 060° / 4 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 77 NM NE
- AGE
- 31m ago
// Area map · 80 NM radius · CartoDB Dark Matter + aeronautical overlay
© OpenStreetMap · CartoDB · OpenAIP
//
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