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// Station · 37m ago

KNWL

Waldron Field Naval Outlying Landing Field
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 28.9°C / 26.1°C
ALTIM 29.95 inHg
ELEV 25 FT
27.6350°N / 97.3122°W
LOCATION · Corpus Christi, US
N
WIND
—calm
KNWL · 25 FT
© OSM · CartoDB

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

METRIC
NOW · 01Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
—
 
 
 
T / Td
29 / 26
 
 
 
ALTIM
29.95"
 
 
 

// 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 KNWL 130153Z AUTO 10SM CLR 29/26 A2995 RMK AO2 SLP138 T02890261 $

KNWL · day 13 at 01:53 UTC · winds calm · visibility 10+ SM · temp 29°C / dewpoint 26°C · altimeter 29.95" Hg · automated station w/ precipitation discriminator · sea-level pressure 1013.8 mb

// Runway analysis · computed from current METAR wind

Wind CALM
ALL USABLE · WINDS CALM
N
WIND
CALMcalm
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 4 ends
17 HDG 170° —CALM —— 5,000'
35 HDG 350° —CALM —— 5,000'
13 HDG 130° —CALM —— 4,365'
31 HDG 310° —CALM —— 4,365'
Pattern altitude: 1,025 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 +14°C

1,700FT
+1,675 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV25 FT OAT+29°C ISA DELTA+14°C PRESSURE ALT-7 FT
// Performance equivalent Operating here right now feels like operating at KCOM (Coleman Municipal Airport, Coleman, elev 1,697 ft) on a standard ISA day.
// Aircraft performance impact MODERATE
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+17%
-12%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+12%
-8%
Light jetCJ4, Phenom 300, M2
+7%
-5%

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 · 14,621 FT KNWL ELEV · 25 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL14,621 ft VFR MARGINunlimited

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

12:28ZSUNRISE
18:16ZSOLAR NOON
00:04ZSUNSET
00:28ZCIVIL END
CURRENT02:30Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS00:28Z (past) DAY LENGTH11h 36m
Waxing Crescent
ILLUMINATION3% MOONRISE13:52Z MOONSET01:28Z 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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