// Station · 30m ago

KRST

Rochester International Airport

CAT MVFR

WIND 190° / 15 kt

VIS 5.0 SM

CEILING BKN at 3,300 ft

T/Td 24.4°C / 16.7°C

ALTIM 29.99 inHg

WX HZ

ELEV 1,317 FT

43.9083°N / 92.5000°W

LOCATION · Rochester, US

WIND

190°15 kt

KRST · 1,317 FT

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

METRIC

NOW · 19Z

+6H

+12H

+18H

WIND

190°/15

VIS

5.0 SM

CEILING

BKN033

LAYERS

BKN033

T / Td

24 / 17

ALTIM

29.99"

// Interpretation

MVFR — visibility 5.0 SM. Brisk winds at 190°/15 kt, visibility 5.0 SM, broken at 3,300 ft. Reported weather: haze (HZ). Haze is fine dust, salt, or pollution particles suspended in dry air — it reduces visibility and washes out contrast, a dry particulate obscuration rather than a moisture one. Note that automated stations can't chemically tell smoke from haze — during a regional smoke event, this may in fact be drifting wildfire smoke reported as haze. 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 KRST 251954Z 19015KT 5SM HZ BKN033 24/17 A2999 RMK AO2 SLP150 T02440167

KRST · day 25 at 19:54 UTC · wind from 190° at 15 kt · visibility 5.0 SM · broken layer at 3,300 ft · temp 24°C / dewpoint 17°C · altimeter 29.99" Hg · weather: haze (HZ) · automated station w/ precipitation discriminator · sea-level pressure 1015.0 mb

// Runway analysis · computed from current METAR wind

Wind 190° @ 15 kt

2 USABLE · 2 AVOID · 1 CAUTION

WIND

190°15 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

21★ HDG 210° H14 kt X5 kt LEFT PRIMARY · 7,301'

13 HDG 130° H8 kt X13 kt RIGHT ⚠ HIGH XW · 87%

TAILWIND ENDS · AVOID 2 ends

31 HDG 310° T7 kt X13 kt LEFT —

03 HDG 030° T14 kt X5 kt RIGHT —

Pattern altitude: 2,317 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

2,700FT

+1,383 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV1,317 FT OAT+24°C ISA DELTA+12°C PRESSURE ALT1,243 FT

// Performance equivalent Operating here right now feels like operating at KSUO (Rosebud Sioux Tribal Airport, Rosebud, elev 2,724 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+27%

-19%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+19%

-12%

Light jetCJ4, Phenom 300, M2

+11%

-8%

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)

BKN033

Broken · base 3,300 ft AGL · ~5–7 oktas

// Computed

CEILING3,300 ft AGL HIGHEST LAYER3,300 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL13,640 ft VFR MARGIN+300 ft

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

11:26ZSUNRISE

18:13ZSOLAR NOON

01:00ZSUNSET

01:30ZCIVIL END

CURRENT20:24Z DAYLIGHT REMAINING4h 36m VFR NIGHT BEGINS01:30Z (5h 06m) DAY LENGTH13h 33m

Waxing Gibbous

ILLUMINATION94% MOONRISE21:37Z MOONSET11:11Z FULL MOON IN2 days

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

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