// Station · 14h 27m ago · STALE · HARD STALE

VISM

Shimla Airport

CAT MVFR

WIND CALM

VIS 3.1 SM

CEILING BKN at 2,500 ft

T/Td 14°C / 14°C

ALTIM 30.03 inHg

WX BR

ELEV 5,072 FT

31.0818°N / 77.0680°E

LOCATION · Jubbarhatti, IN

WIND

000°0 kt

VISM · 5,072 FT

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

METRIC

NOW · 06Z

+6H

+12H

+18H

WIND

CALM

VIS

3.1 SM

CEILING

BKN025

LAYERS

BKN025 OVC060

T / Td

14 / 14

ALTIM

30.03"

// Interpretation

MVFR — ceiling 2,500 ft. Winds calm, visibility 3.1 SM, broken at 2,500 ft, and overcast at 6,000 ft. Reported weather: BR. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR VISM 300630Z 00000KT 5000 BR BKN025 OVC060 14/14 Q1017

VISM · day 30 at 06:30 UTC · winds calm · visibility 3.1 SM · broken layer at 2,500 ft · overcast at 6,000 ft · temp 14°C / dewpoint 14°C · altimeter 30.03" Hg · weather: BR

// Runway analysis · computed from current METAR wind

Wind CALM

ALL USABLE · WINDS CALM

WIND

000°calm

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

14 HDG 140° —CALM —— 4,035'

32 HDG 320° —CALM —— 4,035'

Pattern altitude: 6,072 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 +9°C

6,000FT

+928 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -600 FT

24h AGO18h12h6hNOW

FIELD ELEV5,072 FT OAT+14°C ISA DELTA+9°C PRESSURE ALT4,960 FT

// Performance equivalent Your aircraft will perform as if it's at a field 6,000 ft high on a standard ISA day — that's +928 ft above VISM's actual elevation.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+60%

-42%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+42%

-27%

Light jetCJ4, Phenom 300, M2

+24%

-18%

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 · 2 reported · highest to lowest

// Reported layers (highest → lowest)

OVC060

Overcast · base 6,000 ft AGL · 8 oktas

BKN025

Broken · base 2,500 ft AGL · ~5–7 oktas

// Computed

CEILING2,500 ft AGL HIGHEST LAYER6,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL12,143 ft VFR MARGIN-500 ft

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

23:50ZSUNRISE

06:50ZSOLAR NOON

13:51ZSUNSET

14:18ZCIVIL END

CURRENT20:57Z DAYLIGHT REMAINING16h 53m VFR NIGHT BEGINS14:18Z (17h 21m) DAY LENGTH14h 00m

Full Moon

ILLUMINATION100% MOONRISE11:20Z MOONSET01:20Z FULL MOON IN1 day

// Nearest reporting stations · 1 shown · 60 NM radius

VICG

MVFR

Shaheed Bhagat Singh International Airport · Chandigarh

WIND: VRB / 2 kt
VIS: 3.7 SM
CEILING: FEW025
DIST: 28 NM SW
AGE: 27m ago

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

AIRSPACE

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