// Station · 14m ago

KJST

John Murtha Johnstown Cambria County Airport

CAT VFR

WIND 290° / 5 kt

VIS 10+ SM

CEILING Few/scattered only

T/Td 23.3°C / 17.8°C

ALTIM 30.07 inHg

ELEV 2,284 FT

40.3161°N / 78.8339°W

LOCATION · Johnstown, US

WIND

290°5 kt

KJST · 2,284 FT

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

METRIC

NOW · 15Z

+6H

+12H

+18H

WIND

290°/5

VIS

10+ SM

CEILING

—

LAYERS

FEW020 FEW029

T / Td

23 / 18

ALTIM

30.07"

// Interpretation

VFR with light winds at 290°/5 kt. Visibility better than 10 statute miles and a few at 2,000 ft, and a few at 2,900 ft. 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 KJST 111554Z AUTO 29005KT 10SM FEW020 FEW029 23/18 A3007 RMK AO2 SLP169 T02330178

KJST · day 11 at 15:54 UTC · wind from 290° at 5 kt · visibility 10+ SM · a few clouds at 2,000 ft · a few clouds at 2,900 ft · temp 23°C / dewpoint 18°C · altimeter 30.07" Hg · automated station w/ precipitation discriminator · sea-level pressure 1016.9 mb

// Runway analysis · computed from current METAR wind

Wind 290° @ 5 kt

2 USABLE · 2 AVOID

WIND

290°5 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 2 usable

33★ HDG 330° H4 kt X3 kt LEFT PRIMARY · 7,004'

23 HDG 230° H3 kt X4 kt RIGHT 4,387'

TAILWIND ENDS · AVOID 2 ends

05 HDG 050° T3 kt X4 kt LEFT —

15 HDG 150° T4 kt X3 kt RIGHT —

Pattern altitude: 3,284 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 +13°C

3,600FT

+1,316 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -100 FT

24h AGO18h12h6hNOW

FIELD ELEV2,284 FT OAT+23°C ISA DELTA+13°C PRESSURE ALT2,131 FT

// Performance equivalent Operating here right now feels like operating at KHSP (Ingalls Field, Hot Springs, elev 3,793 ft) on a standard ISA day.

// Aircraft performance impact SIGNIFICANT

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+36%

-25%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+25%

-16%

Light jetCJ4, Phenom 300, M2

+14%

-11%

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)

FEW029

Few · base 2,900 ft AGL · ~1–2 oktas

FEW020

Few · base 2,000 ft AGL · ~1–2 oktas

// Computed

CEILING— HIGHEST LAYER2,900 ft TOTAL COVERAGE~23% (sparse) FREEZING LEVEL14,052 ft VFR MARGINunlimited

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

09:56ZSUNRISE

17:21ZSOLAR NOON

00:47ZSUNSET

01:19ZCIVIL END

CURRENT16:08Z DAYLIGHT REMAINING8h 39m VFR NIGHT BEGINS01:19Z (9h 11m) DAY LENGTH14h 51m

Waning Crescent

ILLUMINATION11% MOONRISE07:24Z MOONSET22:15Z FULL MOON IN18 days

// Nearest reporting stations · 5 shown · 60 NM radius

K2G9

VFR

Somerset County Airport · Somerset

WIND: 360° / 4 kt
VIS: 10+ SM
CEILING: SCT025
DIST: 19 NM SW
AGE: 13m ago

KHMZ

VFR

Bedford County Airport · Bedford

WIND: CALM
VIS: 10+ SM
CEILING: SCT029
DIST: 20 NM SE
AGE: 13m ago

KIDI

MVFR

Indiana County–Jimmy Stewart Airport · Indiana

WIND: 360° / 5 kt
VIS: 10+ SM
CEILING: BKN029
DIST: 23 NM NW
AGE: 13m ago

KAOO

VFR

Altoona Blair County Airport · Altoona

WIND: 350° / 3 kt
VIS: 10+ SM
CEILING: SCT025
DIST: 24 NM E
AGE: 15m ago

KLBE

MVFR → VFR 17Z

Arnold Palmer Regional Airport · Latrobe

WIND: CALM
VIS: 10+ SM
CEILING: BKN028
DIST: 26 NM W
AGE: 15m ago

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

AIRSPACE

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