// Station · 56m ago

LPST

Sintra Air Base

CAT VFR

WIND 160° / 7 kt

VIS 6+ SM

CEILING CLR

T/Td 31°C / 13°C

ALTIM 30.09 inHg

ELEV 440 FT

38.8311°N / 9.3395°W

LOCATION · Sintra, PT

WIND

160°7 kt

LPST · 440 FT

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

METRIC

NOW · 12Z

+6H

+12H

+18H

WIND

160°/7

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

31 / 13

ALTIM

30.09"

// Interpretation

VFR with light winds at 160°/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 LPST 271200Z 16007KT 120V190 CAVOK 31/13 Q1019

LPST · day 27 at 12:00 UTC · wind from 160° at 7 kt · visibility 6+ SM · temp 31°C / dewpoint 13°C · altimeter 30.09" Hg

// Runway analysis · computed from current METAR wind

Wind 160° @ 7 kt

1 USABLE · 1 AVOID

WIND

160°7 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

14★ HDG 140° H7 kt X2 kt RIGHT PRIMARY · 5,906'

TAILWIND ENDS · AVOID 1 ends

32 HDG 320° T7 kt X2 kt LEFT —

Pattern altitude: 1,440 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 +17°C

2,300FT

+1,860 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +1,400 FT

24h AGO18h12h6hNOW

FIELD ELEV440 FT OAT+31°C ISA DELTA+17°C PRESSURE ALT269 FT

// Performance equivalent Operating here right now feels like operating at LPBG (Bragança Airport, Bragança, elev 2,241 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+23%

-16%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+16%

-10%

Light jetCJ4, Phenom 300, M2

+9%

-7%

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

// Reported layers (highest → lowest)

CLR

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

// Computed

CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL16,097 ft VFR MARGINunlimited

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

05:18ZSUNRISE

12:35ZSOLAR NOON

19:53ZSUNSET

20:24ZCIVIL END

CURRENT12:56Z DAYLIGHT REMAINING6h 57m VFR NIGHT BEGINS20:24Z (7h 27m) DAY LENGTH14h 35m

Waxing Gibbous

ILLUMINATION83% MOONRISE14:05Z MOONSET04:40Z FULL MOON IN4 days

// Nearest reporting stations · 3 shown · 60 NM radius

LPCS

VFR

Cascais Airport · Cascais

WIND: 200° / 8 kt
VIS: 6+ SM
CEILING: CLR
DIST: 6 NM S
AGE: 26m ago

LPPT

VFR

Lisbon Humberto Delgado Airport · Lisbon

WIND: 170° / 8 kt
VIS: 6+ SM
CEILING: CLR
DIST: 10 NM E
AGE: 26m ago

LPMT

VFR

Montijo Air Base · Montijo

WIND: 150° / 5 kt
VIS: 6+ SM
CEILING: CLR
DIST: 16 NM SE
AGE: 56m ago

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

AIRSPACE

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