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// Station · 11m ago

KY51

Viroqua Municipal Airport
CAT VFR
WIND 230° / 3 kt
VIS 10+ SM
CEILING CLR
T/Td 23.5°C / 15.5°C
ALTIM 30.10 inHg
ELEV 1,292 FT
43.5801°N / 90.9002°W
LOCATION · Viroqua, US
N
WIND
230°3 kt
KY51 · 1,292 FT
© OSM · CartoDB

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

METRIC
NOW · 22Z
+6H
+12H
+18H
WIND
230°/3
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
24 / 16
 
 
 
ALTIM
30.10"
 
 
 

// Interpretation

VFR with light winds at 230°/3 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…

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

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// Raw observation METAR string + decoded

METAR KY51 282255Z AUTO 23003KT 10SM CLR 24/16 A3010 RMK AO1 T02350155

KY51 · day 28 at 22:55 UTC · wind from 230° at 3 kt · visibility 10+ SM · temp 24°C / dewpoint 16°C · altimeter 30.10" Hg · automated station (no precipitation discriminator)

// Runway analysis · computed from current METAR wind

Wind 230° @ 3 kt
ALL USABLE · WINDS CALM
N
WIND
230°3 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 4 ends
11 HDG 110° CALM 4,000'
29 HDG 290° CALM 4,000'
02 HDG 020° CALM 2,424'
20 HDG 200° CALM 2,424'
Pattern altitude: 2,292 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 +11°C

2,400FT
+1,108 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV1,292 FT OAT+24°C ISA DELTA+11°C PRESSURE ALT1,109 FT
// Performance equivalent Operating here right now feels like operating at KRBE (Rock County Airport, Bassett, elev 2,349 ft) on a standard ISA day.
// Aircraft performance impact MODERATE
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+24%
-17%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+17%
-11%
Light jetCJ4, Phenom 300, M2
+10%
-7%

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

FT 0 5k 10k 15k 20k 25k FRZ LVL · 13,161 FT KY51 ELEV · 1,292 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL13,161 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-6)

11:24ZSUNRISE
18:06ZSOLAR NOON
00:48ZSUNSET
01:18ZCIVIL END
CURRENT23:06Z DAYLIGHT REMAINING1h 42m VFR NIGHT BEGINS01:18Z (2h 12m) DAY LENGTH13h 24m
Full Moon
ILLUMINATION99% MOONRISE00:06Z MOONSET13:31Z FULL MOON IN29 days

// Nearest reporting stations

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

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