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// Station · 52m ago

KOFK

Karl Stefan Memorial Airport
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 15.6°C / 12.2°C
ALTIM 29.96 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 · 08Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
16 / 12
 
 
 
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 KOFK 270856Z AUTO 00000KT 10SM CLR 16/12 A2996 RMK AO2 SLP135 T01560122 51011

KOFK · day 27 at 08:56 UTC · winds calm · visibility 10+ SM · temp 16°C / dewpoint 12°C · altimeter 29.96" Hg · automated station w/ precipitation discriminator · sea-level pressure 1013.5 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 +4°C

2,000FT
+427 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -200 FT
4,400 2,900 1,400
24h AGO18h12h6hNOW
FIELD ELEV1,573 FT OAT+16°C ISA DELTA+4°C PRESSURE ALT1,532 FT
// Performance equivalent Operating here right now feels like operating at KEAR (Kearney Regional Airport, Kearney, elev 2,131 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+20%
-14%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+14%
-9%
Light jetCJ4, Phenom 300, M2
+8%
-6%

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 · 9,452 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 LEVEL9,452 ft VFR MARGINunlimited

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

11:00ZSUNRISE
18:28ZSOLAR NOON
01:55ZSUNSET
02:28ZCIVIL END
CURRENT09:48Z DAYLIGHT REMAINING16h 07m VFR NIGHT BEGINS02:28Z (16h 40m) DAY LENGTH14h 54m
Waxing Gibbous
ILLUMINATION82% MOONRISE19:41Z MOONSET10:36Z 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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