// Station · 19m ago
KW99
Grant County Airport
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 23.5°C / 23.5°C
ALTIM 30.11 inHg
ELEV 963 FT
38.9949°N / 79.1459°W
LOCATION · Petersburg, US
WIND
000°0 kt
KW99 · 963 FT
© OSM · CartoDB
// Current + 24h forecast · METAR loaded · TAF loading…
METRIC
NOW · 01Z
+6H
+12H
+18H
WIND
CALM
VIS
10+ SM
CEILING
CLR
LAYERS
—
T / Td
24 / 24
ALTIM
30.11"
// Interpretation
VFR with winds calm. Visibility better than 10 statute miles 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…
// Want this glance-able on 10 airports? METAR Deck →// Raw observation METAR string + decoded
METAR KW99 150155Z AUTO 00000KT 10SM CLR 24/24 A3011 RMK AO2 T02350235
KW99 · day 15 at 01:55 UTC · winds calm · visibility 10+ SM · temp 24°C / dewpoint 24°C · altimeter 30.11" Hg · 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 +10°C
2,000FT
+1,037 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS
↗ +500 FT
24h AGO18h12h6hNOW
FIELD ELEV963 FT
OAT+24°C
ISA DELTA+10°C
PRESSURE ALT771 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
+20%
-14%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+14%
-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
// Sun & Moon · times in Z · bar = local day (UTC-5)
10:03ZSUNRISE
17:23ZSOLAR NOON
00:43ZSUNSET
01:14ZCIVIL END
CURRENT02:14Z
DAYLIGHT REMAINING0m
VFR NIGHT BEGINS01:14Z (past)
DAY LENGTH14h 39m
New Moon
ILLUMINATION0%
MOONRISE10:18Z
MOONSET00:58Z
FULL MOON IN14 days
// Nearest reporting stations · 5 shown · 60 NM radius
KEKN
VFR
→
MVFR
06Z
Elkins-Randolph County Regional Airport · Elkins
- WIND
- CALM
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 34 NM W
- AGE
- 23m ago
K2G4
VFR
Garrett County Airport · Accident
- WIND
- VRB / 5 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 36 NM N
- AGE
- 19m ago
KCBE
VFR
Greater Cumberland Regional Airport · Wiley Ford
- WIND
- CALM
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 41 NM NE
- AGE
- 19m ago
KFRR
VFR
Front Royal Warren County Airport · Front Royal
- WIND
- 190° / 4 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 42 NM E
- AGE
- 19m ago
KSHD
VFR
Shenandoah Valley Regional Airport · Weyers Cave
- WIND
- CALM
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 45 NM S
- AGE
- 19m ago
// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay
© OpenStreetMap · CartoDB · OpenAIP
//
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