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// Station · 27m ago

UUBC

Grabtsevo Airport
CAT VFR
WIND VRB / 2 kt
VIS 6+ SM
CEILING CLR
T/Td 17°C / 17°C
ALTIM 29.88 inHg
ELEV 656 FT
54.5500°N / 36.3667°E
LOCATION · Kaluga, RU
N
WIND
VRB2 kt
UUBC · 656 FT
© OSM · CartoDB

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

METRIC
NOW · 13Z
+6H
+12H
+18H
WIND
VRB/2
 
 
 
VIS
6+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
17 / 17
 
 
 
ALTIM
29.88"
 
 
 

// Interpretation

VFR with light winds at variable/2 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 UUBC 111330Z VRB01MPS CAVOK 17/17 Q1012 R31/290151 TEMPO 2100 -TSRA RMK QFE742/0989

UUBC · day 11 at 13:30 UTC · wind variable at 2 kt · visibility 6+ SM · temp 17°C / dewpoint 17°C · altimeter 29.88" Hg

// Runway analysis · computed from current METAR wind

Wind VRB @ 2 kt
ALL USABLE · WINDS CALM
N
WIND
VRB2 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 2 ends
13 HDG 130° CALM 6,885'
31 HDG 310° CALM 6,885'
Pattern altitude: 1,656 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 +3°C

1,100FT
+444 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -800 FT
2,100 1,400 700
24h AGO18h12h6hNOW
FIELD ELEV656 FT OAT+17°C ISA DELTA+3°C PRESSURE ALT692 FT
// Performance equivalent Operating here right now feels like operating at UUWW (Vnukovo International Airport, Moscow, elev 685 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 · 9,242 FT UUBC ELEV · 656 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL9,242 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+2)

01:14ZSUNRISE
09:41ZSOLAR NOON
18:08ZSUNSET
19:01ZCIVIL END
CURRENT13:57Z DAYLIGHT REMAINING4h 10m VFR NIGHT BEGINS19:01Z (5h 03m) DAY LENGTH16h 54m
Waning Crescent
ILLUMINATION11% MOONRISE22:37Z MOONSET15:31Z FULL MOON IN18 days

// Nearest reporting stations · 4 shown · 100 NM (sparse area)

// Area map · 100 NM radius · CartoDB Dark Matter + aeronautical overlay

© OpenStreetMap · CartoDB · OpenAIP
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