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// Station · 33m ago

EGVN

RAF Brize Norton
CAT VFR
WIND 070° / 10 kt
VIS 6+ SM
CEILING CLR
T/Td 25°C / 14°C
ALTIM 30.27 inHg
ELEV 288 FT
51.7500°N / 1.5836°W
LOCATION · Carterton, Oxfordshire, GB
N
WIND
070°10 kt
EGVN · 288 FT
© OSM · CartoDB

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

METRIC
NOW · 11Z
+6H
+12H
+18H
WIND
070°/10
 
 
 
VIS
6+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
25 / 14
 
 
 
ALTIM
30.27"
 
 
 

// Interpretation

VFR with moderate winds at 070°/10 kt. Visibility 6+ SM 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 EGVN 271120Z 07010KT CAVOK 25/14 Q1025 NOSIG RMK BLU BLU

EGVN · day 27 at 11:20 UTC · wind from 070° at 10 kt · visibility 6+ SM · temp 25°C / dewpoint 14°C · altimeter 30.27" Hg

// Runway analysis · computed from current METAR wind

Wind 070° @ 10 kt
1 USABLE · 1 AVOID
N
WIND
070°10 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
07 HDG 070° H10 kt X0 kt PRIMARY · 10,007'
TAILWIND ENDS · AVOID 1 ends
25 HDG 250° T10 kt X0 kt
Pattern altitude: 1,288 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 +10°C

1,100FT
+812 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -800 FT
2,400 950 -500
24h AGO18h12h6hNOW
FIELD ELEV288 FT OAT+25°C ISA DELTA+10°C PRESSURE ALT-60 FT
// Performance equivalent Operating here right now feels like operating at EGOM (RAF Spadeadam, Spadeadam, elev 1,066 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+11%
-8%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+8%
-5%
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 · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 12,914 FT EGVN ELEV · 288 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL12,914 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+0)

03:59ZSUNRISE
12:04ZSOLAR NOON
20:09ZSUNSET
20:54ZCIVIL END
CURRENT11:53Z DAYLIGHT REMAINING8h 16m VFR NIGHT BEGINS20:54Z (9h 01m) DAY LENGTH16h 10m
Waxing Gibbous
ILLUMINATION83% MOONRISE12:44Z MOONSET04:54Z 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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