// Station · 13m ago

KRIW

Central Wyoming Regional Airport

CAT VFR

WIND CALM

VIS 10+ SM

CEILING BKN at 4,500 ft

T/Td 7.8°C / 4.4°C

ALTIM 29.91 inHg

WX -RA

ELEV 5,525 FT

43.0642°N / 108.4600°W

LOCATION · Riverton, US

WIND

000°0 kt

KRIW · 5,525 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

CALM

VIS

10+ SM

CEILING

BKN045

LAYERS

SCT028 BKN045 OVC090

T / Td

8 / 4

ALTIM

29.91"

// Interpretation

VFR — ceiling 4,500 ft. Winds calm, visibility better than 10 statute miles, scattered at 2,800 ft, broken at 4,500 ft, and overcast at 9,000 ft. Reported weather: light rain (-RA). 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 KRIW 130053Z AUTO 00000KT 10SM -RA SCT028 BKN045 OVC090 08/04 A2991 RMK AO2 RAB11E24B49 SLP119 P0000 T00780044

KRIW · day 13 at 00:53 UTC · winds calm · visibility 10+ SM · scattered layer at 2,800 ft · broken layer at 4,500 ft · overcast at 9,000 ft · temp 8°C / dewpoint 4°C · altimeter 29.91" Hg · weather: light rain (-RA) · automated station w/ precipitation discriminator · sea-level pressure 1011.9 mb

// Runway analysis · computed from current METAR wind

Wind CALM

ALL USABLE · WINDS CALM

WIND

000°calm

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

10 HDG 100° —CALM —— 8,204'

28 HDG 280° —CALM —— 8,204'

01 HDG 010° —CALM —— 4,800'

19 HDG 190° —CALM —— 4,800'

Pattern altitude: 6,525 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 +4°C

6,000FT

+475 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV5,525 FT OAT+8°C ISA DELTA+4°C PRESSURE ALT5,531 FT

// Performance equivalent Operating here right now feels like operating at KCYS (Cheyenne Regional Jerry Olson Field, Cheyenne, elev 6,159 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+60%

-42%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+42%

-27%

Light jetCJ4, Phenom 300, M2

+24%

-18%

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)

OVC090

Overcast · base 9,000 ft AGL · 8 oktas

BKN045

Broken · base 4,500 ft AGL · ~5–7 oktas

SCT028

Scattered · base 2,800 ft AGL · ~3–4 oktas

// Computed

CEILING4,500 ft AGL HIGHEST LAYER9,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL9,464 ft VFR MARGIN+1,500 ft

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

13:24ZSUNRISE

19:01ZSOLAR NOON

00:38ZSUNSET

01:06ZCIVIL END

CURRENT01:06Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS01:06Z (0m) DAY LENGTH11h 13m

Waxing Crescent

ILLUMINATION3% MOONRISE14:45Z MOONSET01:59Z FULL MOON IN13 days

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

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