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// Station · 16m ago

KN79

Northumberland County Airport
CAT VFR
WIND 250° / 6 kt
VIS 10+ SM
CEILING CLR
T/Td 31.8°C / 20.9°C
ALTIM 30.00 inHg
ELEV 881 FT
40.8369°N / 76.5525°W
LOCATION · Shamokin, US
N
WIND
250°6 kt
KN79 · 881 FT
© OSM · CartoDB

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

METRIC
NOW · 21Z
+6H
+12H
+18H
WIND
250°/6
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
32 / 21
 
 
 
ALTIM
30.00"
 
 
 

// Interpretation

VFR with light winds at 250°/6 kt. 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 KN79 142155Z AUTO 25006KT 10SM CLR 32/21 A3000 RMK AO2 T03180209

KN79 · day 14 at 21:55 UTC · wind from 250° at 6 kt · visibility 10+ SM · temp 32°C / dewpoint 21°C · altimeter 30.00" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 250° @ 6 kt
1 USABLE · 1 AVOID
N
WIND
250°6 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
26 HDG 260° H6 kt X1 kt LEFT PRIMARY · 3,297'
TAILWIND ENDS · AVOID 1 ends
08 HDG 080° T6 kt X1 kt RIGHT
Pattern altitude: 1,881 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 +18°C

3,000FT
+2,119 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +600 FT
3,300 2,100 900
24h AGO18h12h6hNOW
FIELD ELEV881 FT OAT+32°C ISA DELTA+18°C PRESSURE ALT799 FT
// Performance equivalent Operating here right now feels like operating at K2G4 (Garrett County Airport, Accident, elev 2,933 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+30%
-21%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+21%
-14%
Light jetCJ4, Phenom 300, M2
+12%
-9%

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 · 16,942 FT KN79 ELEV · 881 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL16,942 ft VFR MARGINunlimited

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

09:47ZSUNRISE
17:13ZSOLAR NOON
00:38ZSUNSET
01:11ZCIVIL END
CURRENT22:11Z DAYLIGHT REMAINING2h 26m VFR NIGHT BEGINS01:11Z (2h 59m) DAY LENGTH14h 50m
New Moon
ILLUMINATION0% MOONRISE09:54Z MOONSET00:44Z FULL MOON IN15 days

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

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

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