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// Station · 15m ago

KDAA

Davison Army Air Field
CAT LIFR
WIND CALM
VIS 10+ SM
CEILING OVC at 400 ft
T/Td 22°C / 21°C
ALTIM 29.93 inHg
ELEV 73 FT
38.7150°N / 77.1810°W
LOCATION · Fort Belvoir, US
N
WIND
000°0 kt
KDAA · 73 FT
© OSM · CartoDB

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

METRIC
NOW · 09Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
OVC004
 
 
 
LAYERS
OVC004
 
 
 
T / Td
22 / 21
 
 
 
ALTIM
29.93"
 
 
 

// Interpretation

LIFR — ceiling 400 ft. Winds calm, visibility better than 10 statute miles, overcast at 400 ft. LIFR is the lowest standard category. Would improve to IFR above 500 ft and 1 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

SPECI KDAA 270935Z AUTO 00000KT 10SM OVC004 22/21 A2993 RMK AO2 SLP138 $

KDAA · day 27 at 09:35 UTC · winds calm · visibility 10+ SM · overcast at 400 ft · temp 22°C / dewpoint 21°C · altimeter 29.93" Hg · automated station w/ precipitation discriminator · sea-level pressure 1013.8 mb

// Runway analysis · computed from current METAR wind

Wind CALM
ALL USABLE · WINDS CALM
N
WIND
000°calm
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 2 ends
14 HDG 140° CALM 5,421'
32 HDG 320° CALM 5,421'
Pattern altitude: 1,073 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

900FT
+827 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +600 FT
1,400 700 0
24h AGO18h12h6hNOW
FIELD ELEV73 FT OAT+22°C ISA DELTA+7°C PRESSURE ALT61 FT
// Performance equivalent Operating here right now feels like operating at KLYH (Lynchburg Regional Airport - Preston Glenn Field, Lynchburg, elev 938 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+9%
-6%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+6%
-4%
Light jetCJ4, Phenom 300, M2
+4%
-3%

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

FT 0 5k 10k 15k 20k 25k FRZ LVL · 11,184 FT OVC004 · CEILING KDAA ELEV · 73 FT
// Reported layers (highest → lowest)
OVC004
Overcast · base 400 ft AGL · 8 oktas
// Computed
CEILING400 ft AGL HIGHEST LAYER400 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL11,184 ft VFR MARGIN-2,600 ft

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

09:49ZSUNRISE
17:07ZSOLAR NOON
00:25ZSUNSET
00:55ZCIVIL END
CURRENT09:50Z DAYLIGHT REMAINING14h 34m VFR NIGHT BEGINS00:55Z (15h 05m) DAY LENGTH14h 35m
Waxing Gibbous
ILLUMINATION82% MOONRISE18:30Z MOONSET09:05Z FULL MOON IN4 days

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

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

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