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// Station · 8m ago

KPRN

Mac Crenshaw Memorial Airport
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 13.9°C / 12.8°C
ALTIM 30.06 inHg
ELEV 451 FT
31.8457°N / 86.6107°W
LOCATION · Greenville, US
N
WIND
000°0 kt
KPRN · 451 FT
© OSM · CartoDB

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

METRIC
NOW · 10Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
—
 
 
 
T / Td
14 / 13
 
 
 
ALTIM
30.06"
 
 
 

// Interpretation

VFR with winds calm. 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 KPRN 131000Z AUTO 00000KT 10SM CLR 14/13 A3006 RMK AO2 SLP127 T01390128

KPRN · day 13 at 10:00 UTC · winds calm · visibility 10+ SM · temp 14°C / dewpoint 13°C · altimeter 30.06" Hg · automated station w/ precipitation discriminator · sea-level pressure 1012.7 mb

// Runway analysis · computed from current METAR wind

Wind CALM
ALL USABLE · WINDS CALM
N
WIND
000°calm
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 2 ends
14 HDG 140° —CALM —— 5,501'
32 HDG 320° —CALM —— 5,501'
Pattern altitude: 1,451 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 +0°C

300FT
-151 FT BELOW FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV451 FT OAT+14°C ISA DELTA+0°C PRESSURE ALT309 FT
// Performance equivalent Operating here right now feels like operating at KOZR (Cairns AAF (Fort Rucker) Air Field, Fort Rucker/Ozark, elev 301 ft) on a standard ISA day.
// Aircraft performance impact ENHANCED
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+3%
-2%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+2%
-1%
Light jetCJ4, Phenom 300, M2
+1%
-1%

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 · 7,471 FT KPRN ELEV · 451 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL7,471 ft VFR MARGINunlimited

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

11:49ZSUNRISE
17:33ZSOLAR NOON
23:18ZSUNSET
23:42ZCIVIL END
CURRENT10:08Z DAYLIGHT REMAINING13h 10m VFR NIGHT BEGINS23:42Z (13h 34m) DAY LENGTH11h 28m
Waxing Crescent
ILLUMINATION5% MOONRISE13:28Z MOONSET00:57Z FULL MOON IN13 days

// Nearest reporting stations

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

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