// Station · 9m ago

KCQX

Chatham Municipal Airport

CAT MVFR

WIND 030° / 15 kt G36

VIS 3.0 SM

CEILING BKN at 1,200 ft

T/Td 7.8°C / 6.1°C

ALTIM 29.90 inHg

WX RA BR

ELEV 68 FT

41.6884°N / 69.9895°W

LOCATION · Chatham, US

WIND

030°15 kt

KCQX · 68 FT

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

METRIC

NOW · 20Z

+6H

+12H

+18H

WIND

030°/15G36

VIS

3.0 SM

CEILING

BKN012

LAYERS

BKN012 OVC019

T / Td

8 / 6

ALTIM

29.90"

// Interpretation

MVFR — ceiling 1,200 ft. Brisk winds at 030°/15 kt, gusting 36, visibility 3.0 SM, broken at 1,200 ft, and overcast at 1,900 ft. Reported weather: RA BR. 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 KCQX 302052Z AUTO 03015G36KT 3SM RA BR BKN012 OVC019 08/06 A2990 RMK AO2 PK WND 04040/2036 SLP126 P0003 60011 T00780061 53036

KCQX · day 30 at 20:52 UTC · wind from 030° at 15 kt, gusts to 36 kt · visibility 3.0 SM · broken layer at 1,200 ft · overcast at 1,900 ft · temp 8°C / dewpoint 6°C · altimeter 29.90" Hg · weather: RA BR · automated station w/ precipitation discriminator · sea-level pressure 1012.6 mb

// Runway analysis · computed from current METAR wind

Wind 030° @ 15 ktG36

1 USABLE · 1 AVOID

WIND

030°15G36 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

06★ HDG 060° H13 kt X7 kt LEFT PRIMARY · 3,001'

TAILWIND ENDS · AVOID 1 ends

24 HDG 240° T13 kt X8 kt RIGHT —

Pattern altitude: 1,068 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 -7°C

-800FT

-868 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS ↘ -1,200 FT

24h AGO18h12h6hNOW

FIELD ELEV68 FT OAT+8°C ISA DELTA-7°C PRESSURE ALT86 FT

// Performance equivalent Your aircraft will perform as if it's at a field -800 ft high on a standard ISA day — that's -868 ft above KCQX's actual elevation.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+0%

-0%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+0%

-0%

Light jetCJ4, Phenom 300, M2

+0%

-0%

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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

OVC019

Overcast · base 1,900 ft AGL · 8 oktas

BKN012

Broken · base 1,200 ft AGL · ~5–7 oktas

// Computed

CEILING1,200 ft AGL HIGHEST LAYER1,900 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL4,007 ft VFR MARGIN-1,800 ft

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

09:10ZSUNRISE

16:38ZSOLAR NOON

00:07ZSUNSET

00:40ZCIVIL END

CURRENT21:01Z DAYLIGHT REMAINING3h 06m VFR NIGHT BEGINS00:40Z (3h 39m) DAY LENGTH14h 57m

Full Moon

ILLUMINATION100% MOONRISE20:40Z MOONSET11:37Z FULL MOON IN1 day

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

KHYA

MVFR

Cape Cod Gateway Airport · Hyannis

WIND: 030° / 20 ktG38
VIS: 4.0 SM
CEILING: BKN017
DIST: 13 NM W
AGE: 5m ago

KFMH

MVFR

Cape Cod Coast Guard Air Station · Falmouth

WIND: 020° / 12 ktG28
VIS: 5.0 SM
CEILING: OVC013
DIST: 24 NM W
AGE: 16m ago

KPVC

MVFR

Provincetown Municipal Airport · Provincetown

WIND: 030° / 26 ktG32
VIS: 8.0 SM
CEILING: BKN016
DIST: 25 NM NW
AGE: 5m ago

KACK

MVFR

Nantucket Memorial Airport · Nantucket

WIND: 030° / 35 ktG49
VIS: 4.0 SM
CEILING: BKN010
DIST: 26 NM S
AGE: 8m ago

KMVY

MVFR

Martha's Vineyard Airport · Martha's Vineyard

WIND: 010° / 23 ktG40
VIS: 7.0 SM
CEILING: BKN018
DIST: 33 NM SW
AGE: 8m ago

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

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