// Station · 19m ago

LIRS

Grosseto Corrado Baccarini Air Base / Grosseto Airport

CAT VFR

WIND VRB / 1 kt

VIS 6+ SM

CEILING CLR

T/Td 29°C / 23°C

ALTIM 29.88 inHg

ELEV 17 FT

42.7597°N / 11.0719°E

LOCATION · Grosseto (GR), IT

WIND

VRB1 kt

LIRS · 17 FT

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

METRIC

NOW · 17Z

+6H

+12H

+18H

WIND

VRB/1

VIS

6+ SM

CEILING

CLR

LAYERS

—

T / Td

29 / 23

ALTIM

29.88"

// Interpretation

VFR with light winds at variable/1 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 LIRS 251755Z VRB01KT CAVOK 29/23 Q1012

LIRS · day 25 at 17:55 UTC · wind variable at 1 kt · visibility 6+ SM · temp 29°C / dewpoint 23°C · altimeter 29.88" Hg

// Runway analysis · computed from current METAR wind

Wind VRB @ 1 kt

ALL USABLE · WINDS CALM

WIND

VRB1 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 4 ends

03 HDG 030° —CALM —— 9,823'

21 HDG 210° —CALM —— 9,823'

03R HDG 030° —CALM —— 7,723'

21L HDG 210° —CALM —— 7,723'

Pattern altitude: 1,017 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

1,700FT

+1,683 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV17 FT OAT+29°C ISA DELTA+14°C PRESSURE ALT53 FT

// Performance equivalent Operating here right now feels like operating at LIMW (Aosta Corrado Gex Airport, Saint-Christophe (AO), elev 1,791 ft) on a standard ISA day.

// Aircraft performance impact MODERATE

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+17%

-12%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+12%

-8%

Light jetCJ4, Phenom 300, M2

+7%

-5%

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 LEVEL14,663 ft VFR MARGINunlimited

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

04:33ZSUNRISE

11:19ZSOLAR NOON

18:04ZSUNSET

18:34ZCIVIL END

CURRENT18:14Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS18:34Z (20m) DAY LENGTH13h 30m

Waxing Gibbous

ILLUMINATION94% MOONRISE14:40Z MOONSET04:11Z 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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