// Station · 21m ago

ESSA

Stockholm-Arlanda Airport

CAT VFR

WIND 070° / 7 kt

VIS 6+ SM

CEILING CLR

T/Td 17°C / 8°C

ALTIM 30.21 inHg

ELEV 137 FT

59.6485°N / 17.9288°E

LOCATION · Stockholm, SE

WIND

070°7 kt

ESSA · 137 FT

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

METRIC

NOW · 17Z

+6H

+12H

+18H

WIND

070°/7

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

17 / 8

ALTIM

30.21"

// Interpretation

VFR with light winds at 070°/7 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 ESSA 251750Z 07007KT CAVOK 17/08 Q1023 NOSIG

ESSA · day 25 at 17:50 UTC · wind from 070° at 7 kt · visibility 6+ SM · temp 17°C / dewpoint 8°C · altimeter 30.21" Hg

// Runway analysis · computed from current METAR wind

Wind 070° @ 7 kt

3 USABLE · 3 AVOID · 2 CAUTION

WIND

070°7 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 3 usable

08★ HDG 080° H7 kt X1 kt LEFT PRIMARY · 8,202'

01L HDG 010° H4 kt X6 kt RIGHT ⚠ HIGH XW · 86%

01R HDG 010° H4 kt X6 kt RIGHT ⚠ HIGH XW · 86%

TAILWIND ENDS · AVOID 3 ends

19R HDG 190° T3 kt X6 kt LEFT —

19L HDG 190° T3 kt X6 kt LEFT —

26 HDG 260° T7 kt X1 kt RIGHT —

Pattern altitude: 1,137 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 +2°C

100FT

-37 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV137 FT OAT+17°C ISA DELTA+2°C PRESSURE ALT-152 FT

// Performance equivalent Operating here right now feels like operating at ESSB (Stockholm-Bromma Airport, Stockholm, elev 47 ft) on a standard ISA day.

// Aircraft performance impact ENHANCED

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+1%

-1%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+1%

-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 LEVEL8,723 ft VFR MARGINunlimited

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

03:28ZSUNRISE

10:51ZSOLAR NOON

18:15ZSUNSET

19:01ZCIVIL END

CURRENT18:11Z DAYLIGHT REMAINING4m VFR NIGHT BEGINS19:01Z (50m) DAY LENGTH14h 46m

Waxing Gibbous

ILLUMINATION94% MOONRISE13:34Z MOONSET04:21Z FULL MOON IN2 days

// Nearest reporting stations

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

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