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// Station · 19m ago

KOFK

Karl Stefan Memorial Airport
CAT VFR
WIND CALM
VIS 7.0 SM
CEILING CLR
T/Td 24.4°C / 20.6°C
ALTIM 30.11 inHg
ELEV 1,573 FT
41.9855°N / 97.4351°W
LOCATION · Norfolk, US
N
WIND
000°0 kt
KOFK · 1,573 FT
© OSM · CartoDB

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

METRIC
NOW · 13Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
7.0 SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
24 / 21
 
 
 
ALTIM
30.11"
 
 
 

// Interpretation

VFR with winds calm. Visibility 7.0 SM 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 KOFK 111356Z AUTO 00000KT 7SM CLR 24/21 A3011 RMK AO2 SLP183 T02440206 $

KOFK · day 11 at 13:56 UTC · winds calm · visibility 7.0 SM · temp 24°C / dewpoint 21°C · altimeter 30.11" Hg · automated station w/ precipitation discriminator · sea-level pressure 1018.3 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 4 ends
14 HDG 140° CALM 5,806'
32 HDG 320° CALM 5,806'
02 HDG 020° CALM 5,801'
20 HDG 200° CALM 5,801'
Pattern altitude: 2,573 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 +12°C

2,800FT
+1,227 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -100 FT
4,100 2,900 1,700
24h AGO18h12h6hNOW
FIELD ELEV1,573 FT OAT+24°C ISA DELTA+12°C PRESSURE ALT1,381 FT
// Performance equivalent Operating here right now feels like operating at KLBF (North Platte Regional Airport Lee Bird Field, North Platte, elev 2,777 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+28%
-20%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+20%
-13%
Light jetCJ4, Phenom 300, M2
+11%
-8%

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 · 13,896 FT KOFK ELEV · 1,573 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL13,896 ft VFR MARGINunlimited

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

11:05ZSUNRISE
18:36ZSOLAR NOON
02:07ZSUNSET
02:40ZCIVIL END
CURRENT14:15Z DAYLIGHT REMAINING11h 52m VFR NIGHT BEGINS02:40Z (12h 25m) DAY LENGTH15h 01m
Waning Crescent
ILLUMINATION11% MOONRISE08:29Z MOONSET23:31Z FULL MOON IN18 days

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

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

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