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// Station · 18m ago

KLMT

Crater Lake-Klamath Regional Airport
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 5.6°C / 4.4°C
ALTIM 30.02 inHg
ELEV 4,095 FT
42.1561°N / 121.7330°W
LOCATION · Klamath Falls, US
N
WIND
000°0 kt
KLMT · 4,095 FT
© OSM · CartoDB

// Current + 24h forecast · METAR loaded · TAF loading…

METRIC
NOW · 12Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
6 / 4
 
 
 
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…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR KLMT 111253Z AUTO 00000KT 10SM CLR 06/04 A3002 RMK AO2 SLP128 T00560044

KLMT · day 11 at 12:53 UTC · winds calm · visibility 10+ SM · temp 6°C / dewpoint 4°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
N
WIND
000°calm
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 4 ends
14 HDG 140° CALM 10,302'
32 HDG 320° CALM 10,302'
07 HDG 070° CALM 5,260'
25 HDG 250° CALM 5,260'
Pattern altitude: 5,095 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 -1°C

3,800FT
-295 FT BELOW FIELD ELEV
// DA · LAST 24 HOURS ↘ -1,000 FT
7,500 5,400 3,300
24h AGO18h12h6hNOW
FIELD ELEV4,095 FT OAT+6°C ISA DELTA-1°C PRESSURE ALT3,992 FT
// Performance equivalent Operating here right now feels like operating at KGCD (Grant County Regional Airport / Ogilvie Field, John Day, elev 3,703 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+38%
-27%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+27%
-17%
Light jetCJ4, Phenom 300, M2
+15%
-11%

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

FT 0 5k 10k 15k 20k 25k FRZ LVL · 6,923 FT KLMT ELEV · 4,095 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL6,923 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-8)

12:42ZSUNRISE
20:13ZSOLAR NOON
03:44ZSUNSET
04:18ZCIVIL END
CURRENT13:11Z DAYLIGHT REMAINING14h 33m VFR NIGHT BEGINS04:18Z (15h 07m) DAY LENGTH15h 02m
Waning Crescent
ILLUMINATION11% MOONRISE10:03Z MOONSET01:06Z FULL MOON IN18 days

// Nearest reporting stations · 5 shown · 100 NM (sparse area)

// Area map · 100 NM radius · CartoDB Dark Matter + aeronautical overlay

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