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// Station · 13m ago

PATA

Ralph M Calhoun Memorial Airport
CAT VFR
WIND 040° / 3 kt
VIS 10+ SM
CEILING CLR
T/Td 13.9°C / 10°C
ALTIM 29.64 inHg
ELEV 236 FT
65.1744°N / 152.1090°W
LOCATION · Tanana, US
N
WIND
040°3 kt
PATA · 236 FT
© OSM · CartoDB

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

METRIC
NOW · 12Z
+6H
+12H
+18H
WIND
040°/3
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
14 / 10
 
 
 
ALTIM
29.64"
 
 
 

// Interpretation

VFR with light winds at 040°/3 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 PATA 111252Z AUTO 04003KT 10SM CLR 14/10 A2964 RMK AO2 SLP038 T01390100 TSNO

PATA · day 11 at 12:52 UTC · wind from 040° at 3 kt · visibility 10+ SM · temp 14°C / dewpoint 10°C · altimeter 29.64" Hg · automated station w/ precipitation discriminator · sea-level pressure 1003.8 mb

// Runway analysis · computed from current METAR wind

Wind 040° @ 3 kt
ALL USABLE · WINDS CALM
N
WIND
040°3 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 2 ends
07 HDG 070° CALM 4,400'
25 HDG 250° CALM 4,400'
Pattern altitude: 1,236 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 +0°C

500FT
+264 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +800 FT
1,900 650 -600
24h AGO18h12h6hNOW
FIELD ELEV236 FT OAT+14°C ISA DELTA+0°C PRESSURE ALT514 FT
// Performance equivalent Operating here right now feels like operating at PACZ (Cape Romanzof LRRS Airport, Cape Romanzof, elev 464 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+5%
-4%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+4%
-2%
Light jetCJ4, Phenom 300, M2
+2%
-2%

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 · 7,256 FT PATA ELEV · 236 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL7,256 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-10)

11:50ZSUNRISE
22:15ZSOLAR NOON
08:39ZSUNSET
CIVIL END
CURRENT13:05Z DAYLIGHT REMAINING19h 33m VFR NIGHT BEGINS DAY LENGTH20h 48m
Waning Crescent
ILLUMINATION11% MOONRISE09:12Z MOONSET06:00Z FULL MOON IN18 days

// Nearest reporting stations · 4 shown · 100 NM (sparse area)

// Area map · 100 NM radius · CartoDB Dark Matter + aeronautical overlay

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