// Station · 22m ago
KACK
Nantucket Memorial Airport
CAT VFR
WIND 050° / 11 kt
VIS 10+ SM
CEILING CLR
T/Td 25°C / 14.4°C
ALTIM 29.97 inHg
ELEV 47 FT
41.2531°N / 70.0602°W
LOCATION · Nantucket, US
WIND
050°11 kt
KACK · 47 FT
© OSM · CartoDB
// Current + 24h forecast · METAR loaded · TAF loading…
METRIC
NOW · 13Z
+6H
+12H
+18H
WIND
050°/11
VIS
10+ SM
CEILING
CLR
LAYERS
—
T / Td
25 / 14
ALTIM
29.97"
// Interpretation
VFR with moderate winds at 050°/11 kt. 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 KACK 111353Z 05011KT 10SM CLR 25/14 A2997 RMK AO2 SLP147 T02500144
KACK · day 11 at 13:53 UTC · wind from 050° at 11 kt · visibility 10+ SM · temp 25°C / dewpoint 14°C · altimeter 29.97" Hg · automated station w/ precipitation discriminator · sea-level pressure 1014.7 mb
// Runway analysis · computed from current METAR wind
Wind 050° @ 11 kt
2 USABLE · 2 AVOID · 1 CAUTION
WIND
050°11 kt
HEADWIND
CAUTION · HIGH XW
AVOID · TAILWIND
HEADWIND ENDS
2 usable
06★
HDG 060°
H11 kt
X2 kt LEFT
PRIMARY · 6,303'
33
HDG 330°
H2 kt
X11 kt RIGHT
⚠ HIGH XW · 100%
TAILWIND ENDS · AVOID
2 ends
15
HDG 150°
T2 kt
X11 kt LEFT
—
24
HDG 240°
T11 kt
X2 kt RIGHT
—
Pattern altitude: 1,047 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
1,200FT
+1,153 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS
↗ +300 FT
24h AGO18h12h6hNOW
FIELD ELEV47 FT
OAT+25°C
ISA DELTA+10°C
PRESSURE ALT-6 FT
// Performance equivalent
Operating here right now feels like operating at KPSF
(Pittsfield Municipal Airport, Pittsfield, elev 1,188 ft)
on a standard ISA day.
// Aircraft performance impact
MINOR
TAKEOFF ROLL
CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+12%
-8%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+8%
-5%
Light jetCJ4, Phenom 300, M2
+5%
-4%
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)
09:18ZSUNRISE
16:46ZSOLAR NOON
00:15ZSUNSET
00:48ZCIVIL END
CURRENT14:15Z
DAYLIGHT REMAINING10h 00m
VFR NIGHT BEGINS00:48Z (10h 33m)
DAY LENGTH14h 57m
Waning Crescent
ILLUMINATION11%
MOONRISE06:42Z
MOONSET21:39Z
FULL MOON IN18 days
// Nearest reporting stations · 5 shown · 60 NM radius
KCQX
VFR
Chatham Municipal Airport · Chatham
- WIND
- 030° / 5 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 26 NM N
- AGE
- 23m ago
KMVY
VFR
Martha's Vineyard Airport · Martha's Vineyard
- WIND
- 040° / 7 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 26 NM W
- AGE
- 22m ago
KHYA
VFR
Cape Cod Gateway Airport · Hyannis
- WIND
- 020° / 7 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 27 NM N
- AGE
- 19m ago
KFMH
VFR
Cape Cod Coast Guard Air Station · Falmouth
- WIND
- 040° / 10 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 32 NM NW
- AGE
- 19m ago
KEWB
VFR
New Bedford Regional Airport · New Bedford
- WIND
- 050° / 8 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 48 NM NW
- AGE
- 22m ago
// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay
© OpenStreetMap · CartoDB · OpenAIP
//
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