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// KDAA · Davison Army Air Field · Fort Belvoir

// STALE Observation is 1h 22m old — METAR cadence is typically hourly. A fresh report may be on its way.

// Station · 1h 22m ago · STALE

KDAA

Davison Army Air Field
CAT VFR
WIND 310° / 3 kt
VIS 10+ SM
CEILING CLR
T/Td 25.8°C / 13.9°C
ALTIM 30.07 inHg
ELEV 73 FT
38.7150°N / 77.1810°W
LOCATION · Fort Belvoir, US
N
WIND
310°3 kt
KDAA · 73 FT
© OSM · CartoDB

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

METRIC
NOW · 14Z
+6H
+12H
+18H
WIND
310°/3
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
—
 
 
 
T / Td
26 / 14
 
 
 
ALTIM
30.07"
 
 
 

Loading TAF forecast…

// Interpretation

VFR with light winds at 310°/3 kt. 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 KDAA 251455Z AUTO 31003KT 10SM CLR 26/14 A3007 RMK AO2 SLP185 T02580139 52010 $

KDAA · day 25 at 14:55 UTC · wind from 310° at 3 kt · visibility 10+ SM · temp 26°C / dewpoint 14°C · altimeter 30.07" Hg · automated station w/ precipitation discriminator · sea-level pressure 1018.5 mb

// Runway analysis · computed from current METAR wind

Wind 310° @ 3 kt
ALL USABLE · WINDS CALM
N
WIND
310°3 kt
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 +11°C

1,200FT
+1,127 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV73 FT OAT+26°C ISA DELTA+11°C PRESSURE ALT-80 FT
// Performance equivalent Operating here right now feels like operating at KSHD (Shenandoah Valley Regional Airport, Weyers Cave, elev 1,201 ft) on a standard ISA day.
// Aircraft performance impact MODERATE
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. Severity rating assumes a standard altimeter setting (29.92" Hg / 1013 hPa); a non-standard setting shifts the effective altitude by roughly 1,000 ft per 1" Hg of deviation.

// Cloud layers · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 13,103 FT KDAA ELEV · 73 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL13,103 ft VFR MARGINunlimited

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

10:32ZSUNRISE
17:12ZSOLAR NOON
23:51ZSUNSET
00:19ZCIVIL END
CURRENT16:17Z DAYLIGHT REMAINING7h 34m VFR NIGHT BEGINS00:19Z (8h 01m) DAY LENGTH13h 18m
Waxing Gibbous
ILLUMINATION94% MOONRISE20:35Z MOONSET09:54Z FULL MOON IN2 days

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

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