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// Station · 8m ago

KTIW

Tacoma Narrows Airport
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 9.4°C / 8.3°C
ALTIM 29.97 inHg
ELEV 294 FT
47.2674°N / 122.5773°W
LOCATION · Tacoma, US
N
WIND
000°0 kt
KTIW · 294 FT
© OSM · CartoDB

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

METRIC
NOW · 12Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
9 / 8
 
 
 
ALTIM
29.97"
 
 
 

// 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 KTIW 271253Z AUTO 00000KT 10SM CLR 09/08 A2997 RMK AO2 SLP147 T00940083

KTIW · day 27 at 12:53 UTC · winds calm · visibility 10+ SM · temp 9°C / dewpoint 8°C · altimeter 29.97" Hg · automated station w/ precipitation discriminator · sea-level pressure 1014.7 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
17 HDG 170° CALM 5,002'
35 HDG 350° CALM 5,002'
Pattern altitude: 1,294 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 -5°C

-400FT
-694 FT BELOW FIELD ELEV
// DA · LAST 24 HOURS ↘ -100 FT
700 50 -600
24h AGO18h12h6hNOW
FIELD ELEV294 FT OAT+9°C ISA DELTA-5°C PRESSURE ALT241 FT
// Performance equivalent Operating here right now feels like operating at 7WA5 (Stuart Island Airpark, Friday Harbor, elev 10 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+0%
-0%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+0%
-0%
Light jetCJ4, Phenom 300, M2
+0%
-0%

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 · 5,041 FT KTIW ELEV · 294 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL5,041 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-8)

12:23ZSUNRISE
20:08ZSOLAR NOON
03:54ZSUNSET
04:33ZCIVIL END
CURRENT13:01Z DAYLIGHT REMAINING14h 53m VFR NIGHT BEGINS04:33Z (15h 31m) DAY LENGTH15h 31m
Waxing Gibbous
ILLUMINATION83% MOONRISE21:10Z MOONSET12:41Z FULL MOON IN4 days

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

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

© OpenStreetMap · CartoDB · OpenAIP
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