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// KMRF · Marfa Municipal Airport · Marfa

// Station · 28m ago

KMRF

Marfa Municipal Airport
CAT VFR
WIND 110° / 5 kt
VIS 10+ SM
CEILING CLR
T/Td 23.9°C / 14.4°C
ALTIM 30.07 inHg
ELEV 4,849 FT
30.3696°N / 104.0159°W
LOCATION · Marfa, US
N
WIND
110°5 kt
KMRF · 4,849 FT
© OSM · CartoDB

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

METRIC
NOW · 02Z
+6H
+12H
+18H
WIND
110°/5
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
—
 
 
 
T / Td
24 / 14
 
 
 
ALTIM
30.07"
 
 
 

Loading TAF forecast…

// Interpretation

VFR with light winds at 110°/5 kt. 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 KMRF 130201Z AUTO 11005KT 10SM CLR 24/14 A3007 RMK AO2 SLP121 T02390144 $

KMRF · day 13 at 02:01 UTC · wind from 110° at 5 kt · visibility 10+ SM · temp 24°C / dewpoint 14°C · altimeter 30.07" Hg · automated station w/ precipitation discriminator · sea-level pressure 1012.1 mb

// Runway analysis · computed from current METAR wind

Wind 110° @ 5 kt
3 USABLE · 3 AVOID
N
WIND
110°5 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 3 usable
09★ HDG 090° H5 kt X2 kt RIGHT PRIMARY · 2,825'
13 HDG 130° H5 kt X2 kt LEFT 6,203'
04 HDG 040° H2 kt X5 kt RIGHT 5,309'
TAILWIND ENDS · AVOID 3 ends
22 HDG 220° T2 kt X5 kt LEFT —
27 HDG 270° T5 kt X2 kt LEFT —
31 HDG 310° T5 kt X2 kt RIGHT —
Pattern altitude: 5,849 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 +18°C

6,900FT
+2,051 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV4,849 FT OAT+24°C ISA DELTA+18°C PRESSURE ALT4,696 FT
// Performance equivalent Operating here right now feels like operating at KSRR (Sierra Blanca Regional Airport, Alto, elev 6,814 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+69%
-48%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+48%
-31%
Light jetCJ4, Phenom 300, M2
+28%
-21%

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. Severity rating assumes a standard altimeter setting (29.92" Hg / 1013 hPa); a non-standard setting shifts the effective altitude by roughly 1,000 ft per 1" Hg of deviation.

// Cloud layers · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 16,920 FT KMRF ELEV · 4,849 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL16,920 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-7)

12:57ZSUNRISE
18:43ZSOLAR NOON
00:30ZSUNSET
00:54ZCIVIL END
CURRENT02:29Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS00:54Z (past) DAY LENGTH11h 32m
Waxing Crescent
ILLUMINATION3% MOONRISE14:21Z MOONSET01:53Z FULL MOON IN13 days

// Nearest reporting stations

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// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay

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