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// Station · 21m ago

USNN

Nizhnevartovsk Airport
CAT VFR
WIND 310° / 4 kt
VIS 6+ SM
CEILING CLR
T/Td 27°C / 8°C
ALTIM 29.74 inHg
ELEV 177 FT
60.9493°N / 76.4836°E
LOCATION · Nizhnevartovsk, RU
N
WIND
310°4 kt
USNN · 177 FT
© OSM · CartoDB

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

METRIC
NOW · 10Z
+6H
+12H
+18H
WIND
310°/4
 
 
 
VIS
6+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
27 / 8
 
 
 
ALTIM
29.74"
 
 
 

// Interpretation

VFR with light winds at 310°/4 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 USNN 271030Z 31002MPS 280V350 CAVOK 27/08 Q1007 R21/0///65 NOSIG RMK QFE751

USNN · day 27 at 10:30 UTC · wind from 310° at 4 kt · visibility 6+ SM · temp 27°C / dewpoint 8°C · altimeter 29.74" Hg

// Runway analysis · computed from current METAR wind

Wind 310° @ 4 kt
ALL USABLE · WINDS CALM
N
WIND
310°4 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 2 ends
03 HDG 030° CALM 10,499'
21 HDG 210° CALM 10,499'
Pattern altitude: 1,177 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 +13°C

1,900FT
+1,723 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +500 FT
2,200 1,150 100
24h AGO18h12h6hNOW
FIELD ELEV177 FT OAT+27°C ISA DELTA+13°C PRESSURE ALT360 FT
// Performance equivalent Operating here right now feels like operating at UNIS (Severo-Yeniseysk Airport, Severo-Yeniseysk, elev 1,706 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+19%
-13%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+13%
-9%
Light jetCJ4, Phenom 300, M2
+8%
-6%

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 · 13,813 FT USNN ELEV · 177 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL13,813 ft VFR MARGINunlimited

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

21:44ZSUNRISE
06:52ZSOLAR NOON
16:00ZSUNSET
17:26ZCIVIL END
CURRENT10:51Z DAYLIGHT REMAINING5h 08m VFR NIGHT BEGINS17:26Z (6h 34m) DAY LENGTH18h 16m
Waxing Gibbous
ILLUMINATION83% MOONRISE06:27Z MOONSET00:43Z FULL MOON IN4 days

// Nearest reporting stations · 1 shown · 100 NM (sparse area)

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

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