// Station · 8h 54m ago · STALE · HARD STALE

DRZF

Diffa Airport

CAT VFR

WIND VRB / 2 kt

VIS 6+ SM

CEILING Few/scattered only

T/Td 37°C / 20°C

ALTIM 29.83 inHg

ELEV 994 FT

13.3729°N / 12.6267°E

LOCATION · Diffa, NE

WIND

VRB2 kt

DRZF · 994 FT

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

METRIC

NOW · 15Z

+6H

+12H

+18H

WIND

VRB/2

VIS

6+ SM

CEILING

—

LAYERS

SCT040

T / Td

37 / 20

ALTIM

29.83"

// Interpretation

VFR with light winds at variable/2 kt. Visibility 6+ SM and scattered at 4,000 ft. 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 DRZF 141500Z COR VRB02KT 9999 SCT040 37/20 Q1010

DRZF · day 14 at 15:00 UTC · wind variable at 2 kt · visibility 6+ SM · scattered layer at 4,000 ft · temp 37°C / dewpoint 20°C · altimeter 29.83" Hg

// Runway analysis · computed from current METAR wind

Wind VRB @ 2 kt

ALL USABLE · WINDS CALM

WIND

VRB2 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

09 HDG 090° —CALM —— 5,906'

27 HDG 270° —CALM —— 5,906'

Pattern altitude: 1,994 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 +24°C

4,000FT

+3,006 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +1,100 FT

24h AGO18h12h6hNOW

FIELD ELEV994 FT OAT+37°C ISA DELTA+24°C PRESSURE ALT1,089 FT

// Performance equivalent Your aircraft will perform as if it's at a field 4,000 ft high on a standard ISA day — that's +3,006 ft above DRZF's actual elevation.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+40%

-28%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+28%

-18%

Light jetCJ4, Phenom 300, M2

+16%

-12%

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)

SCT040

Scattered · base 4,000 ft AGL · ~3–4 oktas

// Computed

CEILING— HIGHEST LAYER4,000 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL19,681 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+1)

04:51ZSUNRISE

11:16ZSOLAR NOON

17:41ZSUNSET

18:04ZCIVIL END

CURRENT23:54Z DAYLIGHT REMAINING17h 47m VFR NIGHT BEGINS18:04Z (18h 10m) DAY LENGTH12h 50m

New Moon

ILLUMINATION0% MOONRISE05:01Z MOONSET17:51Z FULL MOON IN15 days

// Nearest reporting stations · 1 shown · 200 NM (very sparse)

FTTJ

MVFR

N'Djamena International Airport · N'Djamena

WIND: VRB / 3 kt
VIS: 4.3 SM
CEILING: CLR
DIST: 159 NM SE
AGE: 54m ago

// Area map · 160 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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