// Station · 15m ago

KRYY

Cobb County International Airport-McCollum Field

CAT MVFR

WIND 250° / 11 kt

VIS 10+ SM

CEILING BKN at 2,300 ft

T/Td 29.4°C / 23.3°C

ALTIM 30.15 inHg

ELEV 1,040 FT

34.0132°N / 84.5972°W

LOCATION · Atlanta, US

WIND

250°11 kt

KRYY · 1,040 FT

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

METRIC

NOW · 14Z

+6H

+12H

+18H

WIND

250°/11

VIS

10+ SM

CEILING

BKN023

LAYERS

BKN023

T / Td

29 / 23

ALTIM

30.15"

// Interpretation

MVFR — ceiling 2,300 ft. Moderate winds at 250°/11 kt, visibility better than 10 statute miles, broken at 2,300 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 KRYY 111450Z 25011KT 10SM BKN023 29/23 A3015 RMK AO2 SLP196 T02940233 53001 $

KRYY · day 11 at 14:50 UTC · wind from 250° at 11 kt · visibility 10+ SM · broken layer at 2,300 ft · temp 29°C / dewpoint 23°C · altimeter 30.15" Hg · automated station w/ precipitation discriminator · sea-level pressure 1019.6 mb

// Runway analysis · computed from current METAR wind

Wind 250° @ 11 kt

1 USABLE · 1 AVOID

WIND

250°11 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

27★ HDG 270° H10 kt X4 kt LEFT PRIMARY · 6,295'

TAILWIND ENDS · AVOID 1 ends

09 HDG 090° T10 kt X4 kt RIGHT —

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 +16°C

2,700FT

+1,660 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -100 FT

24h AGO18h12h6hNOW

FIELD ELEV1,040 FT OAT+29°C ISA DELTA+16°C PRESSURE ALT807 FT

// Performance equivalent Operating here right now feels like operating at KLNP (Lonesome Pine Airport, Wise, elev 2,684 ft) on a standard ISA day.

// Aircraft performance impact MINOR

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.

// Cloud layers · 1 reported · highest to lowest

// Reported layers (highest → lowest)

BKN023

Broken · base 2,300 ft AGL · ~5–7 oktas

// Computed

CEILING2,300 ft AGL HIGHEST LAYER2,300 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL15,888 ft VFR MARGIN-700 ft

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

10:36ZSUNRISE

17:44ZSOLAR NOON

00:53ZSUNSET

01:21ZCIVIL END

CURRENT15:05Z DAYLIGHT REMAINING9h 48m VFR NIGHT BEGINS01:21Z (10h 16m) DAY LENGTH14h 16m

Waning Crescent

ILLUMINATION11% MOONRISE08:02Z MOONSET22:18Z FULL MOON IN18 days

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

KMGE

VFR → IFR 21Z

Dobbins Air Reserve Base · Marietta

WIND: 270° / 11 ktG18
VIS: 10+ SM
CEILING: SCT025
DIST: 7 NM SE
AGE: 10m ago

KVPC

VFR

Cartersville Airport · Cartersville

WIND: 260° / 8 ktG14
VIS: 10+ SM
CEILING: CLR
DIST: 14 NM NW
AGE: 10m ago

KFTY

VFR

Fulton County Airport Brown Field · Atlanta

WIND: 260° / 9 kt
VIS: 10+ SM
CEILING: FEW027
DIST: 15 NM S
AGE: 12m ago

KPDK

VFR

DeKalb Peachtree Airport · Atlanta

WIND: 260° / 10 ktG16
VIS: 10+ SM
CEILING: FEW023
DIST: 17 NM SE
AGE: 12m ago

KPUJ

VFR

Silver Comet Field at Paulding Northwest Atlanta Airport · Dallas

WIND: 260° / 7 kt
VIS: 10+ SM
CEILING: FEW019
DIST: 18 NM W
AGE: 10m ago

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

AIRSPACE

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