// Station · 16m ago

KW99

Grant County Airport

CAT LIFR

WIND CALM

VIS 0.25 SM

CEILING —

T/Td 10.7°C / 10.7°C

ALTIM 30.02 inHg

WX FG

ELEV 963 FT

38.9949°N / 79.1459°W

LOCATION · Petersburg, US

WIND

000°0 kt

KW99 · 963 FT

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

METRIC

NOW · 06Z

+6H

+12H

+18H

WIND

CALM

VIS

0.25 SM

CEILING

—

LAYERS

OVX001

T / Td

11 / 11

ALTIM

30.02"

// Interpretation

LIFR — visibility 0.25 SM. Winds calm, visibility 0.25 SM, ovx at 100 ft. Reported weather: fog (FG). Fog is water droplets suspended at the surface with visibility under 5/8 SM; it typically burns off with daytime heating or a pickup in wind. LIFR is the lowest standard category. Would improve to IFR above 500 ft and 1 SM.

Loading TAF forecast narrative…

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

// Want this glance-able on 10 airports? METAR Deck →

// Raw observation METAR string + decoded

METAR KW99 130615Z AUTO 00000KT 1/4SM FG VV001 11/11 A3002 RMK AO2 T01070107 $

KW99 · day 13 at 06:15 UTC · winds calm · visibility 0.25 SM · ovx at 100 ft · temp 11°C / dewpoint 11°C · altimeter 30.02" Hg · weather: fog (FG) · automated station w/ precipitation discriminator

// 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

13 HDG 130° —CALM —— 5,000'

31 HDG 310° —CALM —— 5,000'

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 -3°C

500FT

-463 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV963 FT OAT+11°C ISA DELTA-3°C PRESSURE ALT860 FT

// Performance equivalent Operating here right now feels like operating at KMRB (Eastern WV Regional Airport/Shepherd Field, Martinsburg, elev 565 ft) on a standard ISA day.

// Aircraft performance impact ENHANCED

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+5%

-4%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+4%

-2%

Light jetCJ4, Phenom 300, M2

+2%

-2%

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 LEVEL6,367 ft VFR MARGINunlimited

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

11:25ZSUNRISE

17:03ZSOLAR NOON

22:42ZSUNSET

23:09ZCIVIL END

CURRENT06:31Z DAYLIGHT REMAINING16h 11m VFR NIGHT BEGINS23:09Z (16h 38m) DAY LENGTH11h 17m

Waxing Crescent

ILLUMINATION4% MOONRISE12:57Z MOONSET00:14Z FULL MOON IN13 days

// Nearest reporting stations

Loading nearest reporting stations…

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

AIRSPACE

// Want this on your Stream Deck? METAR Deck shows real-time category and conditions for any 10 airports — built by the team that ships this page.

Get METAR Deck →