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// Station · 5m ago

KNMM

Naval Air Station Meridian / McCain Field
CAT MVFR
WIND CALM
VIS 10+ SM
CEILING OVC at 1,100 ft
T/Td 22.2°C / 21.7°C
ALTIM 29.99 inHg
ELEV 316 FT
32.5531°N / 88.5541°W
LOCATION · Lauderdale, US
N
WIND
000°0 kt
KNMM · 316 FT
© OSM · CartoDB

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

METRIC
NOW · 10Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
OVC011
 
 
 
LAYERS
OVC011
 
 
 
T / Td
22 / 22
 
 
 
ALTIM
29.99"
 
 
 

// Interpretation

MVFR — ceiling 1,100 ft. Winds calm, visibility better than 10 statute miles, overcast at 1,100 ft. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

Loading TAF forecast narrative…

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

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// Raw observation METAR string + decoded

SPECI KNMM 271046Z 00000KT 10SM OVC011 22/22 A2999 RMK AO2 T02220217 $

KNMM · day 27 at 10:46 UTC · winds calm · visibility 10+ SM · overcast at 1,100 ft · temp 22°C / dewpoint 22°C · altimeter 29.99" Hg · automated station w/ precipitation discriminator

// 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 6 ends
01L HDG 010° CALM 8,003'
19R HDG 190° CALM 8,003'
01R HDG 010° CALM 8,000'
19L HDG 190° CALM 8,000'
10 HDG 100° CALM 6,402'
28 HDG 280° CALM 6,402'
Pattern altitude: 1,316 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 +8°C

1,200FT
+884 FT ABOVE FIELD ELEV
FIELD ELEV316 FT OAT+22°C ISA DELTA+8°C PRESSURE ALT242 FT
// Performance equivalent Operating here right now feels like operating at KMGE (Dobbins Air Reserve Base, Marietta, elev 1,068 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+12%
-8%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+8%
-5%
Light jetCJ4, Phenom 300, M2
+5%
-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 · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 11,528 FT OVC011 · CEILING KNMM ELEV · 316 FT
// Reported layers (highest → lowest)
OVC011
Overcast · base 1,100 ft AGL · 8 oktas
// Computed
CEILING1,100 ft AGL HIGHEST LAYER1,100 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL11,528 ft VFR MARGIN-1,900 ft

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

10:50ZSUNRISE
17:52ZSOLAR NOON
00:54ZSUNSET
01:22ZCIVIL END
CURRENT10:51Z DAYLIGHT REMAINING14h 03m VFR NIGHT BEGINS01:22Z (14h 31m) DAY LENGTH14h 04m
Waxing Gibbous
ILLUMINATION83% MOONRISE19:33Z MOONSET09:37Z FULL MOON IN4 days

// Nearest reporting stations · 5 shown · 100 NM (sparse area)

// Area map · 80 NM radius · CartoDB Dark Matter + aeronautical overlay

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