// Station · 16m ago
KMCW
Mason City Municipal Airport
CAT VFR
WIND CALM
VIS 9.0 SM
CEILING CLR
T/Td 21.1°C / 21.1°C
ALTIM 30.10 inHg
ELEV 1,213 FT
43.1598°N / 93.3297°W
LOCATION · Mason City, US
WIND
000°0 kt
KMCW · 1,213 FT
© OSM · CartoDB
// Current + 24h forecast · METAR loaded · TAF loading…
METRIC
NOW · 12Z
+6H
+12H
+18H
WIND
CALM
VIS
9.0 SM
CEILING
CLR
LAYERS
—
T / Td
21 / 21
ALTIM
30.10"
// Interpretation
VFR with winds calm. Visibility 9.0 SM 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 KMCW 111253Z AUTO 00000KT 9SM CLR 21/21 A3010 RMK AO2 SLP179 T02110211
KMCW · day 11 at 12:53 UTC · winds calm · visibility 9.0 SM · temp 21°C / dewpoint 21°C · altimeter 30.10" Hg · automated station w/ precipitation discriminator · sea-level pressure 1017.9 mb
// 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
4 ends
18
HDG 180°
—CALM
——
6,501'
36
HDG 360°
—CALM
——
6,501'
12
HDG 120°
—CALM
——
5,502'
30
HDG 300°
—CALM
——
5,502'
Pattern altitude: 2,213 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 +8°C
2,000FT
+787 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS
↘ -400 FT
24h AGO18h12h6hNOW
FIELD ELEV1,213 FT
OAT+21°C
ISA DELTA+8°C
PRESSURE ALT1,030 FT
// Performance equivalent
Operating here right now feels like operating at KISB
(Sibley Municipal Airport, Sibley, elev 1,538 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-6)
10:45ZSUNRISE
18:19ZSOLAR NOON
01:54ZSUNSET
02:29ZCIVIL END
CURRENT13:09Z
DAYLIGHT REMAINING12h 45m
VFR NIGHT BEGINS02:29Z (13h 19m)
DAY LENGTH15h 09m
Waning Crescent
ILLUMINATION11%
MOONRISE08:06Z
MOONSET23:16Z
FULL MOON IN18 days
// Nearest reporting stations · 5 shown · 60 NM radius
KFXY
LIFR
Forest City Municipal Airport · Forest City
- WIND
- CALM
- VIS
- 0.75 SM
- CEILING
- OVC001
- DIST
- 14 NM W
- AGE
- 14m ago
KHPT
LIFR
Hampton Municipal Airport · Hampton
- WIND
- CALM
- VIS
- 7.0 SM
- CEILING
- BKN001
- DIST
- 27 NM S
- AGE
- 14m ago
KAEL
VFR
Albert Lea Municipal Airport · Albert Lea
- WIND
- 170° / 5 kt
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 31 NM N
- AGE
- 14m ago
KCAV
VFR
Clarion Municipal Airport · Clarion
- WIND
- CALM
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 31 NM SW
- AGE
- 14m ago
KCCY
VFR
Northeast Iowa Regional Airport · Charles City
- WIND
- CALM
- VIS
- 10+ SM
- CEILING
- CLR
- DIST
- 32 NM E
- AGE
- 14m ago
// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay
© OpenStreetMap · CartoDB · OpenAIP
//
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