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// Station · 13m ago

KCHA

Chattanooga Metropolitan Airport (Lovell Field)
CAT MVFR
WIND 160° / 3 kt
VIS 3.0 SM
CEILING BKN at 4,500 ft
T/Td 22.8°C / 20.6°C
ALTIM 30.12 inHg
WX -TSRA BR
ELEV 683 FT
35.0353°N / 85.2038°W
LOCATION · Chattanooga, US
N
WIND
160°3 kt
KCHA · 683 FT
© OSM · CartoDB

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

METRIC
NOW · 17Z
+6H
+12H
+18H
WIND
160°/3
 
 
 
VIS
3.0 SM
 
 
 
CEILING
BKN045
 
 
 
LAYERS
SCT025 BKN045 OVC075
 
 
 
T / Td
23 / 21
 
 
 
ALTIM
30.12"
 
 
 

// Interpretation

MVFR — visibility 3.0 SM. Light winds at 160°/3 kt, visibility 3.0 SM, scattered at 2,500 ft, broken at 4,500 ft, and overcast at 7,500 ft. Reported weather: -TSRA BR. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

Loading TAF forecast narrative…

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

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// Raw observation METAR string + decoded

SPECI KCHA 111706Z 16003KT 3SM R02/6000VP6000FT -TSRA BR SCT025CB BKN045 OVC075 23/21 A3012 RMK AO2 CONS LTGICCC OHD TS OHD MOV E P0027 T02280206

KCHA · day 11 at 17:06 UTC · wind from 160° at 3 kt · visibility 3.0 SM · scattered layer at 2,500 ft · broken layer at 4,500 ft · overcast at 7,500 ft · temp 23°C / dewpoint 21°C · altimeter 30.12" Hg · weather: -TSRA BR · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 160° @ 3 kt
ALL USABLE · WINDS CALM
N
WIND
160°3 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 4 ends
02 HDG 020° CALM 7,400'
20 HDG 200° CALM 7,400'
15 HDG 150° CALM 5,575'
33 HDG 330° CALM 5,575'
Pattern altitude: 1,683 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

1,500FT
+817 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -1,200 FT
2,900 2,100 1,300
24h AGO18h12h6hNOW
FIELD ELEV683 FT OAT+23°C ISA DELTA+9°C PRESSURE ALT479 FT
// Performance equivalent Operating here right now feels like operating at KTRI (Tri-Cities Regional TN/VA Airport, Blountville, elev 1,519 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+15%
-11%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+11%
-7%
Light jetCJ4, Phenom 300, M2
+6%
-5%

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 · 3 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 12,198 FT SCT025 BKN045 · CEILING OVC075 KCHA ELEV · 683 FT
// Reported layers (highest → lowest)
OVC075
Overcast · base 7,500 ft AGL · 8 oktas
BKN045
Broken · base 4,500 ft AGL · ~5–7 oktas
SCT025
Scattered · base 2,500 ft AGL · ~3–4 oktas
// Computed
CEILING4,500 ft AGL HIGHEST LAYER7,500 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL12,198 ft VFR MARGIN+1,500 ft

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

10:36ZSUNRISE
17:47ZSOLAR NOON
00:58ZSUNSET
01:27ZCIVIL END
CURRENT17:19Z DAYLIGHT REMAINING7h 38m VFR NIGHT BEGINS01:27Z (8h 07m) DAY LENGTH14h 21m
Waning Crescent
ILLUMINATION10% MOONRISE08:06Z MOONSET22:28Z 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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