// Station · 24m ago

KROC

Frederick Douglass Greater Rochester International Airport

CAT VFR

WIND 330° / 9 kt

VIS 10+ SM

CEILING OVC at 4,300 ft

T/Td 19.4°C / 16.1°C

ALTIM 30.06 inHg

WX -RA

ELEV 559 FT

43.1189°N / 77.6724°W

LOCATION · Rochester, US

WIND

330°9 kt

KROC · 559 FT

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

METRIC

NOW · 15Z

+6H

+12H

+18H

WIND

330°/9

VIS

10+ SM

CEILING

OVC043

LAYERS

SCT019 OVC043

T / Td

19 / 16

ALTIM

30.06"

// Interpretation

VFR — ceiling 4,300 ft. Moderate winds at 330°/9 kt, visibility better than 10 statute miles, scattered at 1,900 ft, and overcast at 4,300 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 KROC 251554Z 33009KT 10SM -RA SCT019 OVC043 19/16 A3006 RMK AO2 RAB1459E16B41 SLP180 P0000 T01940161

KROC · day 25 at 15:54 UTC · wind from 330° at 9 kt · visibility 10+ SM · scattered layer at 1,900 ft · overcast at 4,300 ft · temp 19°C / dewpoint 16°C · altimeter 30.06" Hg · weather: light rain (-RA) · automated station w/ precipitation discriminator · sea-level pressure 1018.0 mb

// Runway analysis · computed from current METAR wind

Wind 330° @ 9 kt

3 USABLE · 3 AVOID · 3 CAUTION

WIND

330°9 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 3 usable

28★ HDG 280° H6 kt X7 kt RIGHT PRIMARY · 6,402'

04 HDG 040° H3 kt X8 kt LEFT ⚠ HIGH XW · 89%

25 HDG 250° H2 kt X9 kt RIGHT ⚠ HIGH XW · 100%

TAILWIND ENDS · AVOID 3 ends

07 HDG 070° T2 kt X9 kt LEFT —

22 HDG 220° T3 kt X8 kt RIGHT —

10 HDG 100° T6 kt X7 kt LEFT —

Pattern altitude: 1,559 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 +5°C

1,000FT

+441 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV559 FT OAT+19°C ISA DELTA+5°C PRESSURE ALT417 FT

// Performance equivalent Operating here right now feels like operating at KPEO (Penn Yan Airport, Penn Yan, elev 990 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+10%

-7%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+7%

-5%

Light jetCJ4, Phenom 300, M2

+4%

-3%

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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

OVC043

Overcast · base 4,300 ft AGL · 8 oktas

SCT019

Scattered · base 1,900 ft AGL · ~3–4 oktas

// Computed

CEILING4,300 ft AGL HIGHEST LAYER4,300 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL10,357 ft VFR MARGIN+1,300 ft

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

10:28ZSUNRISE

17:14ZSOLAR NOON

23:59ZSUNSET

00:29ZCIVIL END

CURRENT16:18Z DAYLIGHT REMAINING7h 41m VFR NIGHT BEGINS00:29Z (8h 11m) DAY LENGTH13h 31m

Waxing Gibbous

ILLUMINATION94% MOONRISE20:31Z MOONSET10:02Z FULL MOON IN2 days

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

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