// Station · 35m ago

USNN

Nizhnevartovsk Airport

CAT VFR

WIND 260° / 10 kt

VIS 6+ SM

CEILING CLR

T/Td 1°C / 0°C

ALTIM 29.94 inHg

ELEV 177 FT

60.9493°N / 76.4836°E

LOCATION · Nizhnevartovsk, RU

WIND

260°10 kt

USNN · 177 FT

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

METRIC

NOW · 00Z

+6H

+12H

+18H

WIND

260°/10

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

1 / 0

ALTIM

29.94"

// Interpretation

VFR with moderate winds at 260°/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 USNN 130030Z 26005MPS CAVOK 01/M00 Q1014 R21/19//61 NOSIG RMK QFE756

USNN · day 13 at 00:30 UTC · wind from 260° at 10 kt · visibility 6+ SM · temp 1°C / dewpoint 0°C · altimeter 29.94" Hg

// Runway analysis · computed from current METAR wind

Wind 260° @ 10 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

260°10 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

21★ HDG 210° H6 kt X8 kt RIGHT PRIMARY · 10,499'

TAILWIND ENDS · AVOID 1 ends

03 HDG 030° T6 kt X8 kt LEFT —

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 -14°C

-1,500FT

-1,677 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV177 FT OAT+1°C ISA DELTA-14°C PRESSURE ALT154 FT

// Performance equivalent Your aircraft will perform as if it's at a field -1,500 ft high on a standard ISA day — that's -1,677 ft above USNN's actual elevation.

// Aircraft performance impact ENHANCED

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+0%

-0%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+0%

-0%

Light jetCJ4, Phenom 300, M2

+0%

-0%

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

// Reported layers (highest → lowest)

CLR

No reported cloud layers — clear sky from surface to reporting ceiling.

// Computed

CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL682 ft VFR MARGINunlimited

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

01:30ZSUNRISE

06:41ZSOLAR NOON

11:52ZSUNSET

12:36ZCIVIL END

CURRENT01:05Z DAYLIGHT REMAINING10h 47m VFR NIGHT BEGINS12:36Z (11h 30m) DAY LENGTH10h 22m

Waxing Crescent

ILLUMINATION3% MOONRISE02:51Z MOONSET13:13Z FULL MOON IN13 days

// Nearest reporting stations

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

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