// Station · 9m ago

KRYY

Cobb County International Airport-McCollum Field

CAT VFR

WIND 280° / 12 kt G17

VIS 10+ SM

CEILING CLR

T/Td 27.8°C / 22.8°C

ALTIM 30.14 inHg

ELEV 1,040 FT

34.0132°N / 84.5972°W

LOCATION · Atlanta, US

WIND

280°12 kt

KRYY · 1,040 FT

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

METRIC

NOW · 13Z

+6H

+12H

+18H

WIND

280°/12G17

VIS

10+ SM

CEILING

CLR

LAYERS

—

T / Td

28 / 23

ALTIM

30.14"

// Interpretation

VFR with moderate winds at 280°/12 kt, gusting 17. Visibility better than 10 statute miles and no reported cloud layers. 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 KRYY 111350Z 28012G17KT 10SM CLR 28/23 A3014 RMK AO2 SLP194 T02780228 $

KRYY · day 11 at 13:50 UTC · wind from 280° at 12 kt, gusts to 17 kt · visibility 10+ SM · temp 28°C / dewpoint 23°C · altimeter 30.14" Hg · automated station w/ precipitation discriminator · sea-level pressure 1019.4 mb

// Runway analysis · computed from current METAR wind

Wind 280° @ 12 ktG17

1 USABLE · 1 AVOID

WIND

280°12G17 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

27★ HDG 270° H12 kt X2 kt RIGHT PRIMARY · 6,295'

TAILWIND ENDS · AVOID 1 ends

09 HDG 090° T12 kt X2 kt LEFT —

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 +14°C

2,500FT

+1,460 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -300 FT

24h AGO18h12h6hNOW

FIELD ELEV1,040 FT OAT+28°C ISA DELTA+14°C PRESSURE ALT819 FT

// Performance equivalent Operating here right now feels like operating at KBKW (Raleigh County Memorial Airport, Beaver, elev 2,504 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+25%

-18%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+18%

-11%

Light jetCJ4, Phenom 300, M2

+10%

-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 · clear · no layers reported

// Reported layers (highest → lowest)

CLR

No reported cloud layers — clear sky from surface to reporting ceiling.

// Computed

CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL15,080 ft VFR MARGINunlimited

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

10:36ZSUNRISE

17:44ZSOLAR NOON

00:53ZSUNSET

01:21ZCIVIL END

CURRENT13:59Z DAYLIGHT REMAINING10h 53m VFR NIGHT BEGINS01:21Z (11h 21m) DAY LENGTH14h 16m

Waning Crescent

ILLUMINATION11% MOONRISE08:00Z MOONSET22:16Z FULL MOON IN18 days

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

KMGE

VFR → IFR 21Z

Dobbins Air Reserve Base · Marietta

WIND: 240° / 8 kt
VIS: 10+ SM
CEILING: FEW080
DIST: 7 NM SE
AGE: 1h 4m ago

KVPC

VFR

Cartersville Airport · Cartersville

WIND: 290° / 9 ktG16
VIS: 10+ SM
CEILING: CLR
DIST: 14 NM NW
AGE: 24m ago

KFTY

VFR

Fulton County Airport Brown Field · Atlanta

WIND: 270° / 12 ktG19
VIS: 10+ SM
CEILING: CLR
DIST: 15 NM S
AGE: 6m ago

KPDK

VFR

DeKalb Peachtree Airport · Atlanta

WIND: 260° / 7 ktG16
VIS: 10+ SM
CEILING: CLR
DIST: 17 NM SE
AGE: 6m ago

KPUJ

VFR

Silver Comet Field at Paulding Northwest Atlanta Airport · Dallas

WIND: 270° / 7 kt
VIS: 10+ SM
CEILING: CLR
DIST: 18 NM W
AGE: 24m ago

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

AIRSPACE

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