// Station · 1h 7m ago · STALE

MRPV

Tobías Bolaños International Airport

CAT MVFR

WIND 270° / 3 kt

VIS 3.1 SM

CEILING Few/scattered only

T/Td 22°C / 21°C

ALTIM 30.00 inHg

WX BR

ELEV 3,287 FT

9.9571°N / 84.1398°W

LOCATION · San Jose, CR

WIND

270°3 kt

MRPV · 3,287 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

270°/3

VIS

3.1 SM

CEILING

—

LAYERS

SCT015

T / Td

22 / 21

ALTIM

30.00"

// Interpretation

MVFR — visibility 3.1 SM. Light winds at 270°/3 kt, visibility 3.1 SM, scattered at 1,500 ft. Reported weather: mist (BR). Mist is water droplets thinning visibility to between 5/8 and 6 SM — the moist, lighter cousin of fog. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

Loading TAF forecast narrative…

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

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// Raw observation METAR string + decoded

METAR MRPV 130000Z 27003KT 5000 BR SCT015 22/21 A3000 NOSIG

MRPV · day 13 at 00:00 UTC · wind from 270° at 3 kt · visibility 3.1 SM · scattered layer at 1,500 ft · temp 22°C / dewpoint 21°C · altimeter 30.00" Hg · weather: mist (BR)

// Runway analysis · computed from current METAR wind

Wind 270° @ 3 kt

ALL USABLE · WINDS CALM

WIND

270°3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

10 HDG 100° —CALM —— 5,138'

28 HDG 280° —CALM —— 5,138'

Pattern altitude: 4,287 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 +13°C

4,800FT

+1,513 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV3,287 FT OAT+22°C ISA DELTA+13°C PRESSURE ALT3,205 FT

// Performance equivalent Your aircraft will perform as if it's at a field 4,800 ft high on a standard ISA day — that's +1,513 ft above MRPV's actual elevation.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+48%

-34%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+34%

-22%

Light jetCJ4, Phenom 300, M2

+19%

-14%

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 · 1 reported · highest to lowest

// Reported layers (highest → lowest)

SCT015

Scattered · base 1,500 ft AGL · ~3–4 oktas

// Computed

CEILING— HIGHEST LAYER1,500 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL14,398 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-6)

11:26ZSUNRISE

17:24ZSOLAR NOON

23:22ZSUNSET

23:43ZCIVIL END

CURRENT01:07Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS23:43Z (past) DAY LENGTH11h 56m

Waxing Crescent

ILLUMINATION3% MOONRISE12:47Z MOONSET00:43Z 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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