// Station · 16m ago

KMDH

Southern Illinois Airport

CAT IFR

WIND 210° / 8 kt

VIS 10+ SM

CEILING BKN at 600 ft

T/Td 22.2°C / 21.7°C

ALTIM 30.02 inHg

ELEV 411 FT

37.7781°N / 89.2520°W

LOCATION · Murphysboro, US

WIND

210°8 kt

KMDH · 411 FT

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

METRIC

NOW · 12Z

+6H

+12H

+18H

WIND

210°/8

VIS

10+ SM

CEILING

BKN006

LAYERS

BKN006 BKN100

T / Td

22 / 22

ALTIM

30.02"

// Interpretation

IFR conditions — ceiling 600 ft. Moderate winds at 210°/8 kt, visibility better than 10 statute miles, broken at 600 ft, and broken at 10,000 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

SPECI KMDH 111254Z 21008KT 10SM BKN006 BKN100 22/22 A3002 RMK AO2 T02220217

KMDH · day 11 at 12:54 UTC · wind from 210° at 8 kt · visibility 10+ SM · broken layer at 600 ft · broken layer at 10,000 ft · temp 22°C / dewpoint 22°C · altimeter 30.02" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 210° @ 8 kt

3 USABLE · 3 AVOID

WIND

210°8 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 3 usable

24★ HDG 240° H7 kt X4 kt LEFT PRIMARY · 4,163'

18L HDG 180° H7 kt X4 kt RIGHT 6,506'

18R HDG 180° H7 kt X4 kt RIGHT 3,498'

TAILWIND ENDS · AVOID 3 ends

06 HDG 060° T7 kt X4 kt RIGHT —

36R HDG 360° T7 kt X4 kt LEFT —

36L HDG 360° T7 kt X4 kt LEFT —

Pattern altitude: 1,411 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 +8°C

1,200FT

+789 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -300 FT

24h AGO18h12h6hNOW

FIELD ELEV411 FT OAT+22°C ISA DELTA+8°C PRESSURE ALT308 FT

// Performance equivalent Operating here right now feels like operating at KDKB (DeKalb Taylor Municipal Airport, DeKalb, elev 914 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+12%

-8%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+8%

-5%

Light jetCJ4, Phenom 300, M2

+5%

-4%

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)

BKN100

Broken · base 10,000 ft AGL · ~5–7 oktas

BKN006

Broken · base 600 ft AGL · ~5–7 oktas

// Computed

CEILING600 ft AGL HIGHEST LAYER10,000 ft TOTAL COVERAGE~83% (mostly covered) FREEZING LEVEL11,623 ft VFR MARGIN-2,400 ft

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

10:45ZSUNRISE

18:03ZSOLAR NOON

01:21ZSUNSET

01:52ZCIVIL END

CURRENT13:10Z DAYLIGHT REMAINING12h 10m VFR NIGHT BEGINS01:52Z (12h 41m) DAY LENGTH14h 36m

Waning Crescent

ILLUMINATION11% MOONRISE08:07Z MOONSET22:43Z FULL MOON IN18 days

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

KMWA

VFR

Veterans Airport of Southern Illinois · Marion

WIND: 220° / 9 kt
VIS: 10+ SM
CEILING: BKN100
DIST: 11 NM E
AGE: 25m ago

KHSB

VFR

Harrisburg-Raleigh Airport · Harrisburg

WIND: 230° / 6 kt
VIS: 10+ SM
CEILING: SCT110
DIST: 33 NM E
AGE: 15m ago

KCGI

VFR → MVFR 06Z

Cape Girardeau Regional Airport · Cape Girardeau

WIND: 230° / 4 kt
VIS: 10+ SM
CEILING: BKN070
DIST: 36 NM SW
AGE: 17m ago

KMVN

VFR

Mount Vernon Outland Airport · Mount Vernon

WIND: 200° / 3 kt
VIS: 10+ SM
CEILING: FEW005
DIST: 38 NM NE
AGE: 14m ago

KCIR

VFR

Cairo Regional Airport · Cairo

WIND: 220° / 3 kt
VIS: 10+ SM
CEILING: SCT120
DIST: 43 NM S
AGE: 15m ago

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

AIRSPACE

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