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// Station · 9m ago

KMRB

Eastern WV Regional Airport/Shepherd Field
CAT VFR
WIND 300° / 6 kt
VIS 10+ SM
CEILING BKN at 3,100 ft
T/Td 26.1°C / 20°C
ALTIM 29.97 inHg
ELEV 565 FT
39.4019°N / 77.9846°W
LOCATION · Martinsburg, US
N
WIND
300°6 kt
KMRB · 565 FT
© OSM · CartoDB

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

METRIC
NOW · 13Z
+6H
+12H
+18H
WIND
300°/6
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN031
 
 
 
LAYERS
BKN031
 
 
 
T / Td
26 / 20
 
 
 
ALTIM
29.97"
 
 
 

// Interpretation

VFR — ceiling 3,100 ft. Light winds at 300°/6 kt, visibility better than 10 statute miles, broken at 3,100 ft. 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 KMRB 111353Z 30006KT 10SM BKN031 26/20 A2997 RMK AO2 SLP144 T02610200

KMRB · day 11 at 13:53 UTC · wind from 300° at 6 kt · visibility 10+ SM · broken layer at 3,100 ft · temp 26°C / dewpoint 20°C · altimeter 29.97" Hg · automated station w/ precipitation discriminator · sea-level pressure 1014.4 mb

// Runway analysis · computed from current METAR wind

Wind 300° @ 6 kt
1 USABLE · 1 AVOID
N
WIND
300°6 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
26 HDG 260° H5 kt X4 kt RIGHT PRIMARY · 8,815'
TAILWIND ENDS · AVOID 1 ends
08 HDG 080° T5 kt X4 kt LEFT
Pattern altitude: 1,565 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 +12°C

2,000FT
+1,435 FT ABOVE FIELD ELEV
FIELD ELEV565 FT OAT+26°C ISA DELTA+12°C PRESSURE ALT512 FT
// Performance equivalent Operating here right now feels like operating at KEKN (Elkins-Randolph County Regional Airport, Elkins, elev 1,987 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+20%
-14%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+14%
-9%
Light jetCJ4, Phenom 300, M2
+8%
-6%

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

FT 0 5k 10k 15k 20k 25k FRZ LVL · 13,747 FT BKN031 · CEILING KMRB ELEV · 565 FT
// Reported layers (highest → lowest)
BKN031
Broken · base 3,100 ft AGL · ~5–7 oktas
// Computed
CEILING3,100 ft AGL HIGHEST LAYER3,100 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL13,747 ft VFR MARGIN+100 ft

// Sun & Moon · times in Z · bar = local day (UTC-5)

09:55ZSUNRISE
17:18ZSOLAR NOON
00:41ZSUNSET
01:13ZCIVIL END
CURRENT14:02Z DAYLIGHT REMAINING10h 38m VFR NIGHT BEGINS01:13Z (11h 10m) DAY LENGTH14h 45m
Waning Crescent
ILLUMINATION11% MOONRISE07:19Z MOONSET22:04Z FULL MOON IN18 days

// Nearest reporting stations · 5 shown · 60 NM radius

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

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