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// Station · 12m ago

K21D

Lake Elmo Airport
CAT VFR
WIND 090° / 12 kt G18
VIS 10+ SM
CEILING CLR
T/Td 26°C / 10°C
ALTIM 30.06 inHg
ELEV 933 FT
44.9975°N / 92.8557°W
LOCATION · St Paul, US
N
WIND
090°12 kt
K21D · 933 FT
© OSM · CartoDB

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

METRIC
NOW · 19Z
+6H
+12H
+18H
WIND
090°/12G18
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
26 / 10
 
 
 
ALTIM
30.06"
 
 
 

// Interpretation

VFR with moderate winds at 090°/12 kt, gusting 18. 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 K21D 301915Z AUTO 09012G18KT 10SM CLR 26/10 A3006 RMK AO2

K21D · day 30 at 19:15 UTC · wind from 090° at 12 kt, gusts to 18 kt · visibility 10+ SM · temp 26°C / dewpoint 10°C · altimeter 30.06" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 090° @ 12 ktG18
2 USABLE · 2 AVOID
N
WIND
090°12G18 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
04 HDG 040° H8 kt X9 kt RIGHT PRIMARY · 2,496'
14 HDG 140° H8 kt X9 kt LEFT 3,504'
TAILWIND ENDS · AVOID 2 ends
22 HDG 220° T8 kt X9 kt LEFT
32 HDG 320° T8 kt X9 kt RIGHT
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 +13°C

2,300FT
+1,367 FT ABOVE FIELD ELEV
FIELD ELEV933 FT OAT+26°C ISA DELTA+13°C PRESSURE ALT791 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 MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+23%
-16%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+16%
-10%
Light jetCJ4, Phenom 300, M2
+9%
-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.

// Cloud layers · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 14,064 FT K21D ELEV · 933 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL14,064 ft VFR MARGINunlimited

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

10:30ZSUNRISE
18:10ZSOLAR NOON
01:50ZSUNSET
02:26ZCIVIL END
CURRENT19:27Z DAYLIGHT REMAINING6h 22m VFR NIGHT BEGINS02:26Z (6h 58m) DAY LENGTH15h 19m
Full Moon
ILLUMINATION99% MOONRISE21:57Z MOONSET13:16Z FULL MOON IN1 day

// Nearest reporting stations · 5 shown · 60 NM radius

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

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