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// Station · 26m ago

KTRI

Tri-Cities Regional TN/VA Airport
CAT IFR
WIND 240° / 6 kt
VIS 6.0 SM
CEILING BKN at 900 ft
T/Td 21.1°C / 20°C
ALTIM 30.14 inHg
WX BR
ELEV 1,519 FT
36.4752°N / 82.4074°W
LOCATION · Blountville, US
N
WIND
240°6 kt
KTRI · 1,519 FT
© OSM · CartoDB

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

METRIC
NOW · 15Z
+6H
+12H
+18H
WIND
240°/6
 
 
 
VIS
6.0 SM
 
 
 
CEILING
BKN009
 
 
 
LAYERS
BKN009 OVC038
 
 
 
T / Td
21 / 20
 
 
 
ALTIM
30.14"
 
 
 

// Interpretation

IFR conditions — ceiling 900 ft. Light winds at 240°/6 kt, visibility 6.0 SM, broken at 900 ft, and overcast at 3,800 ft. Reported weather: BR. Would deteriorate to LIFR below 500 ft ceiling or 1 SM, or improve to MVFR above 1,000 ft and 3 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR KTRI 111553Z 24006KT 6SM BR BKN009 OVC038 21/20 A3014 RMK AO2 RAB1458E08B30E48 SLP181 P0001 T02110200 $

KTRI · day 11 at 15:53 UTC · wind from 240° at 6 kt · visibility 6.0 SM · broken layer at 900 ft · overcast at 3,800 ft · temp 21°C / dewpoint 20°C · altimeter 30.14" Hg · weather: BR · automated station w/ precipitation discriminator · sea-level pressure 1018.1 mb

// Runway analysis · computed from current METAR wind

Wind 240° @ 6 kt
2 USABLE · 2 AVOID
N
WIND
240°6 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
23 HDG 230° H6 kt X1 kt RIGHT PRIMARY · 8,000'
27 HDG 270° H5 kt X3 kt LEFT 4,443'
TAILWIND ENDS · AVOID 2 ends
09 HDG 090° T5 kt X3 kt RIGHT
05 HDG 050° T6 kt X1 kt LEFT
Pattern altitude: 2,519 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 +9°C

2,300FT
+781 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -200 FT
3,700 2,900 2,100
24h AGO18h12h6hNOW
FIELD ELEV1,519 FT OAT+21°C ISA DELTA+9°C PRESSURE ALT1,298 FT
// Performance equivalent Operating here right now feels like operating at K6A4 (Johnson County Airport, Mountain City, elev 2,240 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+23%
-16%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+16%
-10%
Light jetCJ4, Phenom 300, M2
+9%
-7%

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 · 2 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 12,176 FT BKN009 · CEILING OVC038 KTRI ELEV · 1,519 FT
// Reported layers (highest → lowest)
OVC038
Overcast · base 3,800 ft AGL · 8 oktas
BKN009
Broken · base 900 ft AGL · ~5–7 oktas
// Computed
CEILING900 ft AGL HIGHEST LAYER3,800 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL12,176 ft VFR MARGIN-2,100 ft

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

10:21ZSUNRISE
17:36ZSOLAR NOON
00:50ZSUNSET
01:20ZCIVIL END
CURRENT16:19Z DAYLIGHT REMAINING8h 31m VFR NIGHT BEGINS01:20Z (9h 01m) DAY LENGTH14h 29m
Waning Crescent
ILLUMINATION11% MOONRISE07:49Z MOONSET22:18Z FULL MOON IN18 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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