// Station · 9m ago

KRYY

Cobb County International Airport-McCollum Field

CAT IFR

WIND CALM

VIS 10+ SM

CEILING BKN at 600 ft

T/Td 22.8°C / 21.7°C

ALTIM 30.11 inHg

ELEV 1,040 FT

34.0132°N / 84.5972°W

LOCATION · Atlanta, US

WIND

000°0 kt

KRYY · 1,040 FT

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

METRIC

NOW · 12Z

+6H

+12H

+18H

WIND

CALM

VIS

10+ SM

CEILING

BKN006

LAYERS

BKN006

T / Td

23 / 22

ALTIM

30.11"

// Interpretation

IFR conditions — ceiling 600 ft. Winds calm, visibility better than 10 statute miles, broken at 600 ft. Would deteriorate to LIFR below 500 ft ceiling or 1 SM, or improve to MVFR above 1,000 ft and 3 SM.

Loading TAF forecast narrative…

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

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// Raw observation METAR string + decoded

METAR KRYY 271250Z 00000KT 10SM BKN006 23/22 A3011 RMK AO2 SLP185 T02280217 $

KRYY · day 27 at 12:50 UTC · winds calm · visibility 10+ SM · broken layer at 600 ft · temp 23°C / dewpoint 22°C · altimeter 30.11" Hg · automated station w/ precipitation discriminator · sea-level pressure 1018.5 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 2 ends

09 HDG 090° —CALM —— 6,295'

27 HDG 270° —CALM —— 6,295'

Pattern altitude: 2,040 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 +9°C

2,000FT

+960 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +0 FT

24h AGO18h12h6hNOW

FIELD ELEV1,040 FT OAT+23°C ISA DELTA+9°C PRESSURE ALT848 FT

// Performance equivalent Operating here right now feels like operating at KCSV (Crossville Memorial Airport Whitson Field, Crossville, elev 1,881 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.

// Cloud layers · 1 reported · highest to lowest

// Reported layers (highest → lowest)

BKN006

Broken · base 600 ft AGL · ~5–7 oktas

// Computed

CEILING600 ft AGL HIGHEST LAYER600 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL12,555 ft VFR MARGIN-2,400 ft

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

10:31ZSUNRISE

17:37ZSOLAR NOON

00:42ZSUNSET

01:10ZCIVIL END

CURRENT12:59Z DAYLIGHT REMAINING11h 42m VFR NIGHT BEGINS01:10Z (12h 11m) DAY LENGTH14h 11m

Waxing Gibbous

ILLUMINATION83% MOONRISE19:18Z MOONSET09:29Z FULL MOON IN4 days

// Nearest reporting stations · 5 shown · 60 NM radius

KMGE

VFR → IFR 13Z

Dobbins Air Reserve Base · Marietta

WIND: 110° / 3 kt
VIS: 8.0 SM
CEILING: BKN150
DIST: 7 NM SE
AGE: 1h 4m ago

KFTY

MVFR → VFR 13Z

Fulton County Airport Brown Field · Atlanta

WIND: CALM
VIS: 10+ SM
CEILING: BKN024
DIST: 15 NM S
AGE: 6m ago

KPDK

MVFR → VFR 13Z

DeKalb Peachtree Airport · Atlanta

WIND: CALM
VIS: 6.0 SM
CEILING: BKN024
DIST: 17 NM SE
AGE: 6m ago

KATL

IFR → MVFR 13Z

Hartsfield Jackson Atlanta International Airport · Atlanta

WIND: 150° / 3 kt
VIS: 8.0 SM
CEILING: BKN005
DIST: 24 NM S
AGE: 7m ago

KRMG

IFR

Richard B Russell Airport · Rome

WIND: CALM
VIS: 10+ SM
CEILING: OVC009
DIST: 34 NM NW
AGE: 6m ago

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

AIRSPACE

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