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// Station · 9m ago

KPRN

Mac Crenshaw Memorial Airport
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 23.3°C / 22.2°C
ALTIM 30.04 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 · 23Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
23 / 22
 
 
 
ALTIM
30.04"
 
 
 

// 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 142300Z AUTO 00000KT 10SM CLR 23/22 A3004 RMK AO2 RAE2237 SLP120 P0001 T02330222

KPRN · day 14 at 23:00 UTC · winds calm · visibility 10+ SM · temp 23°C / dewpoint 22°C · altimeter 30.04" Hg · automated station w/ precipitation discriminator · sea-level pressure 1012.0 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 +9°C

1,400FT
+949 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +0 FT
2,400 1,700 1,000
24h AGO18h12h6hNOW
FIELD ELEV451 FT OAT+23°C ISA DELTA+9°C PRESSURE ALT327 FT
// Performance equivalent Operating here right now feels like operating at K8A0 (Albertville Regional Airport/Thomas J Brumlik Field, Albertville, elev 1,032 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+14%
-10%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+10%
-6%
Light jetCJ4, Phenom 300, M2
+6%
-4%

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 · 12,219 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 LEVEL12,219 ft VFR MARGINunlimited

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

10:51ZSUNRISE
17:53ZSOLAR NOON
00:54ZSUNSET
01:22ZCIVIL END
CURRENT23:09Z DAYLIGHT REMAINING1h 44m VFR NIGHT BEGINS01:22Z (2h 12m) DAY LENGTH14h 03m
New Moon
ILLUMINATION0% MOONRISE11:00Z MOONSET01:03Z FULL MOON IN15 days

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

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

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