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

// Station · 1h 15m ago · STALE

KOUN

University of Oklahoma Westheimer Airport
CAT VFR
WIND 170° / 16 kt
VIS 10+ SM
CEILING CLR
T/Td 32°C / 18°C
ALTIM 29.80 inHg
ELEV 1,182 FT
35.2456°N / 97.4721°W
LOCATION · Norman, US
N
WIND
170°16 kt
KOUN · 1,182 FT
© OSM · CartoDB

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

METRIC
NOW · 19Z
+6H
+12H
+18H
WIND
170°/16
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
32 / 18
 
 
 
ALTIM
29.80"
 
 
 

// Interpretation

VFR with brisk winds at 170°/16 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 KOUN 301945Z 17016KT 10SM CLR 32/18 A2980

KOUN · day 30 at 19:45 UTC · wind from 170° at 16 kt · visibility 10+ SM · temp 32°C / dewpoint 18°C · altimeter 29.80" Hg

// Runway analysis · computed from current METAR wind

Wind 170° @ 16 kt
2 USABLE · 2 AVOID · 1 CAUTION
N
WIND
170°16 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
17 HDG 170° H16 kt X0 kt PRIMARY · 5,200'
21 HDG 210° H12 kt X10 kt LEFT ⚠ HIGH XW · 63%
TAILWIND ENDS · AVOID 2 ends
03 HDG 030° T12 kt X10 kt RIGHT
35 HDG 350° T16 kt X0 kt
Pattern altitude: 2,182 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 +20°C

3,600FT
+2,418 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +0 FT
3,800 3,050 2,300
24h AGO18h12h6hNOW
FIELD ELEV1,182 FT OAT+32°C ISA DELTA+20°C PRESSURE ALT1,300 FT
// Performance equivalent Operating here right now feels like operating at KGUY (Guymon Municipal Airport, Guymon, elev 3,123 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+36%
-25%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+25%
-16%
Light jetCJ4, Phenom 300, M2
+14%
-11%

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 · 17,344 FT KOUN ELEV · 1,182 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL17,344 ft VFR MARGINunlimited

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

11:18ZSUNRISE
18:28ZSOLAR NOON
01:39ZSUNSET
02:08ZCIVIL END
CURRENT21:00Z DAYLIGHT REMAINING4h 38m VFR NIGHT BEGINS02:08Z (5h 07m) DAY LENGTH14h 20m
Full Moon
ILLUMINATION100% MOONRISE22:48Z MOONSET13:08Z 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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