// Station · 18m ago

KW99

Grant County Airport

CAT MVFR

WIND 020° / 11 kt

VIS 4.0 SM

CEILING CLR

T/Td 23.2°C / 2.5°C

ALTIM 29.99 inHg

WX HZ

ELEV 963 FT

38.9949°N / 79.1459°W

LOCATION · Petersburg, US

WIND

020°11 kt

KW99 · 963 FT

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

METRIC

NOW · 22Z

+6H

+12H

+18H

WIND

020°/11

VIS

4.0 SM

CEILING

CLR

LAYERS

—

T / Td

23 / 3

ALTIM

29.99"

// Interpretation

MVFR — visibility 4.0 SM. Moderate winds at 020°/11 kt, visibility 4.0 SM, no reported cloud layers. Reported weather: HZ. 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 KW99 302215Z AUTO 02011KT 4SM HZ CLR 23/03 A2999 RMK AO2 T02320025 $

KW99 · day 30 at 22:15 UTC · wind from 020° at 11 kt · visibility 4.0 SM · temp 23°C / dewpoint 3°C · altimeter 29.99" Hg · weather: HZ · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 020° @ 11 kt

1 USABLE · 1 AVOID · 1 CAUTION

WIND

020°11 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

HEADWIND ENDS 1 usable

31★ HDG 310° H4 kt X10 kt RIGHT PRIMARY · 5,000'

TAILWIND ENDS · AVOID 1 ends

13 HDG 130° T4 kt X10 kt LEFT —

Pattern altitude: 1,963 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 +10°C

2,100FT

+1,137 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↘ -600 FT

24h AGO18h12h6hNOW

FIELD ELEV963 FT OAT+23°C ISA DELTA+10°C PRESSURE ALT889 FT

// Performance equivalent Operating here right now feels like operating at KEKN (Elkins-Randolph County Regional Airport, Elkins, elev 1,987 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+21%

-15%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+15%

-9%

Light jetCJ4, Phenom 300, M2

+8%

-6%

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 LEVEL12,680 ft VFR MARGINunlimited

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

09:55ZSUNRISE

17:15ZSOLAR NOON

00:35ZSUNSET

01:07ZCIVIL END

CURRENT22:33Z DAYLIGHT REMAINING2h 02m VFR NIGHT BEGINS01:07Z (2h 33m) DAY LENGTH14h 40m

Full Moon

ILLUMINATION100% MOONRISE21:28Z MOONSET12:08Z FULL MOON IN1 day

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

K8W2

VFR

New Market Airport · New Market

WIND: 050° / 10 ktG19
VIS: 10+ SM
CEILING: CLR
DIST: 29 NM SE
AGE: 18m ago

KEKN

VFR → MVFR 06Z

Elkins-Randolph County Regional Airport · Elkins

WIND: 340° / 6 kt
VIS: 10+ SM
CEILING: CLR
DIST: 34 NM W
AGE: 42m ago

K2G4

VFR

Garrett County Airport · Accident

WIND: VRB / 6 ktG14
VIS: 10+ SM
CEILING: CLR
DIST: 36 NM N
AGE: 18m ago

KCBE

VFR

Greater Cumberland Regional Airport · Wiley Ford

WIND: 040° / 9 kt
VIS: 10+ SM
CEILING: CLR
DIST: 41 NM NE
AGE: 18m ago

KSHD

VFR

Shenandoah Valley Regional Airport · Weyers Cave

WIND: 040° / 14 ktG19
VIS: 10+ SM
CEILING: CLR
DIST: 45 NM S
AGE: 18m ago

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

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