// Station · 36m ago

KRIV

March Air Reserve Base

CAT MVFR

WIND 280° / 4 kt

VIS 10+ SM

CEILING BKN at 2,800 ft

T/Td 15.2°C / 11.4°C

ALTIM 29.88 inHg

ELEV 1,536 FT

33.8807°N / 117.2590°W

LOCATION · Riverside, US

WIND

280°4 kt

KRIV · 1,536 FT

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

METRIC

NOW · 01Z

+6H

+12H

+18H

WIND

280°/4

VIS

10+ SM

CEILING

BKN028

LAYERS

FEW021 BKN028 BKN037

T / Td

15 / 11

ALTIM

29.88"

// Interpretation

MVFR — ceiling 2,800 ft. Light winds at 280°/4 kt, visibility better than 10 statute miles, a few at 2,100 ft, broken at 2,800 ft, and broken at 3,700 ft. 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 KRIV 130155Z 28004KT 10SM FEW021 BKN028 BKN037 15/11 A2988 RMK AO2A SLP112 T01520114

KRIV · day 13 at 01:55 UTC · wind from 280° at 4 kt · visibility 10+ SM · a few clouds at 2,100 ft · broken layer at 2,800 ft · broken layer at 3,700 ft · temp 15°C / dewpoint 11°C · altimeter 29.88" Hg · sea-level pressure 1011.2 mb

// Runway analysis · computed from current METAR wind

Wind 280° @ 4 kt

ALL USABLE · WINDS CALM

WIND

280°4 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

14 HDG 140° —CALM —— 13,302'

32 HDG 320° —CALM —— 13,302'

Pattern altitude: 2,536 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 +3°C

2,000FT

+464 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV1,536 FT OAT+15°C ISA DELTA+3°C PRESSURE ALT1,575 FT

// Performance equivalent Operating here right now feels like operating at KNXP (Twentynine Palms Strategic Expeditionary Landing Field, Twentynine Palms, elev 2,051 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. 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 · 3 reported · highest to lowest

// Reported layers (highest → lowest)

BKN037

Broken · base 3,700 ft AGL · ~5–7 oktas

BKN028

Broken · base 2,800 ft AGL · ~5–7 oktas

FEW021

Few · base 2,100 ft AGL · ~1–2 oktas

// Computed

CEILING2,800 ft AGL HIGHEST LAYER3,700 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL9,213 ft VFR MARGIN-200 ft

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

13:52ZSUNRISE

19:36ZSOLAR NOON

01:20ZSUNSET

01:45ZCIVIL END

CURRENT02:31Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS01:45Z (past) DAY LENGTH11h 27m

Waxing Crescent

ILLUMINATION3% MOONRISE15:16Z MOONSET02:44Z FULL MOON IN13 days

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

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