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// Station · 9m ago

KNGU

Norfolk Naval Station (Chambers Field)
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 17.2°C / 16.1°C
ALTIM 29.96 inHg
ELEV 17 FT
36.9376°N / 76.2893°W
LOCATION · Norfolk, US
N
WIND
000°0 kt
KNGU · 17 FT
© OSM · CartoDB

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

METRIC
NOW · 00Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
—
 
 
 
T / Td
17 / 16
 
 
 
ALTIM
29.96"
 
 
 

// 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 KNGU 130059Z AUTO 00000KT 10SM CLR 17/16 A2996 RMK AO2 SLP144 T01720161 $

KNGU · day 13 at 00:59 UTC · winds calm · visibility 10+ SM · temp 17°C / dewpoint 16°C · altimeter 29.96" Hg · automated station w/ precipitation discriminator · sea-level pressure 1014.4 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
10 HDG 100° —CALM —— 8,370'
28 HDG 280° —CALM —— 8,370'
Pattern altitude: 1,017 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 +2°C

200FT
+183 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV17 FT OAT+17°C ISA DELTA+2°C PRESSURE ALT-24 FT
// Performance equivalent Operating here right now feels like operating at KOFP (Hanover County Municipal Airport, Hanover, elev 207 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+2%
-1%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+1%
-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 · 8,704 FT KNGU ELEV · 17 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL8,704 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-5)

11:11ZSUNRISE
16:52ZSOLAR NOON
22:34ZSUNSET
23:00ZCIVIL END
CURRENT01:08Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS23:00Z (past) DAY LENGTH11h 23m
Waxing Crescent
ILLUMINATION3% MOONRISE12:32Z MOONSET23:55Z 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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