// Station · 14m ago

ESNN

Sundsvall-Härnösand Airport

CAT VFR

WIND 320° / 8 kt

VIS 6+ SM

CEILING CLR

T/Td 21°C / 10°C

ALTIM 30.18 inHg

ELEV 16 FT

62.5281°N / 17.4439°E

LOCATION · Sundsvall/ Härnösand, SE

WIND

320°8 kt

ESNN · 16 FT

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

METRIC

NOW · 13Z

+6H

+12H

+18H

WIND

320°/8

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

21 / 10

ALTIM

30.18"

// Interpretation

VFR with moderate winds at 320°/8 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 ESNN 251350Z 32008KT 290V010 CAVOK 21/10 Q1022

ESNN · day 25 at 13:50 UTC · wind from 320° at 8 kt · visibility 6+ SM · temp 21°C / dewpoint 10°C · altimeter 30.18" Hg

// Runway analysis · computed from current METAR wind

Wind 320° @ 8 kt

1 USABLE · 1 AVOID

WIND

320°8 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

34★ HDG 340° H8 kt X3 kt LEFT PRIMARY · 6,857'

TAILWIND ENDS · AVOID 1 ends

16 HDG 160° T8 kt X3 kt RIGHT —

Pattern altitude: 1,016 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 +6°C

400FT

+384 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +100 FT

24h AGO18h12h6hNOW

FIELD ELEV16 FT OAT+21°C ISA DELTA+6°C PRESSURE ALT-244 FT

// Performance equivalent Operating here right now feels like operating at ESNO (Örnsköldsvik Airport, Örnsköldsvik, elev 354 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+4%

-3%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+3%

-2%

Light jetCJ4, Phenom 300, M2

+2%

-1%

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 LEVEL10,622 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC+1)

03:19ZSUNRISE

10:53ZSOLAR NOON

18:28ZSUNSET

19:21ZCIVIL END

CURRENT14:04Z DAYLIGHT REMAINING4h 23m VFR NIGHT BEGINS19:21Z (5h 16m) DAY LENGTH15h 08m

Waxing Gibbous

ILLUMINATION93% MOONRISE13:17Z MOONSET04:26Z FULL MOON IN3 days

// Nearest reporting stations

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

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