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// K21D · Lake Elmo Airport · St Paul

// STALE Observation is 1h 15m old — METAR cadence is typically hourly. A fresh report may be on its way.

// Station · 1h 15m ago · STALE

K21D

Lake Elmo Airport
CAT VFR
WIND 340° / 9 kt
VIS 10+ SM
CEILING Few/scattered only
T/Td 16°C / 10°C
ALTIM 29.66 inHg
ELEV 933 FT
44.9975°N / 92.8557°W
LOCATION · St Paul, US
N
WIND
340°9 kt
K21D · 933 FT
© OSM · CartoDB

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

METRIC
NOW · 01Z
+6H
+12H
+18H
WIND
340°/9
 
 
 
VIS
10+ SM
 
 
 
CEILING
—
 
 
 
LAYERS
SCT065
 
 
 
T / Td
16 / 10
 
 
 
ALTIM
29.66"
 
 
 

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// Interpretation

VFR with moderate winds at 340°/9 kt. Visibility better than 10 statute miles and scattered at 6,500 ft. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 SM.

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

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// Raw observation METAR string + decoded

METAR K21D 130115Z AUTO 34009KT 10SM SCT065 16/10 A2966 RMK AO2 LTG DSNT NE

K21D · day 13 at 01:15 UTC · wind from 340° at 9 kt · visibility 10+ SM · scattered layer at 6,500 ft · temp 16°C / dewpoint 10°C · altimeter 29.66" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 340° @ 9 kt
2 USABLE · 2 AVOID · 1 CAUTION
N
WIND
340°9 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
32★ HDG 320° H8 kt X3 kt RIGHT PRIMARY · 3,504'
04 HDG 040° H5 kt X8 kt LEFT ⚠ HIGH XW · 89%
TAILWIND ENDS · AVOID 2 ends
22 HDG 220° T4 kt X8 kt RIGHT —
14 HDG 140° T8 kt X3 kt LEFT —
Pattern altitude: 1,933 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

1,600FT
+667 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -800 FT
3,300 2,250 1,200
24h AGO18h12h6hNOW
FIELD ELEV933 FT OAT+16°C ISA DELTA+3°C PRESSURE ALT1,190 FT
// Performance equivalent Operating here right now feels like operating at KDVP (Slayton Municipal Airport, Slayton, elev 1,623 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+16%
-11%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+11%
-7%
Light jetCJ4, Phenom 300, M2
+6%
-5%

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 · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 9,014 FT SCT065 K21D ELEV · 933 FT
// Reported layers (highest → lowest)
SCT065
Scattered · base 6,500 ft AGL · ~3–4 oktas
// Computed
CEILING— HIGHEST LAYER6,500 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL9,014 ft VFR MARGINunlimited

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

12:24ZSUNRISE
17:59ZSOLAR NOON
23:33ZSUNSET
00:03ZCIVIL END
CURRENT02:30Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS00:03Z (past) DAY LENGTH11h 09m
Waxing Crescent
ILLUMINATION3% MOONRISE13:48Z MOONSET00:57Z FULL MOON IN13 days

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