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// Station · 46m ago

KROA

Roanoke–Blacksburg Regional Airport
CAT VFR
WIND 140° / 3 kt
VIS 7.0 SM
CEILING OVC at 12,000 ft
T/Td 20°C / 20°C
ALTIM 30.05 inHg
ELEV 1,175 FT
37.3255°N / 79.9754°W
LOCATION · Roanoke, US
N
WIND
140°3 kt
KROA · 1,175 FT
© OSM · CartoDB

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

METRIC
NOW · 10Z
+6H
+12H
+18H
WIND
140°/3
 
 
 
VIS
7.0 SM
 
 
 
CEILING
OVC120
 
 
 
LAYERS
FEW001 SCT070 OVC120
 
 
 
T / Td
20 / 20
 
 
 
ALTIM
30.05"
 
 
 

// Interpretation

VFR — ceiling 12,000 ft. Light winds at 140°/3 kt, visibility 7.0 SM, a few at 100 ft, scattered at 7,000 ft, and overcast at 12,000 ft. 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

SPECI KROA 271005Z 14003KT 7SM FEW001 SCT070 OVC120 20/20 A3005 RMK AO2 T02000200

KROA · day 27 at 10:05 UTC · wind from 140° at 3 kt · visibility 7.0 SM · a few clouds at 100 ft · scattered layer at 7,000 ft · overcast at 12,000 ft · temp 20°C / dewpoint 20°C · altimeter 30.05" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 140° @ 3 kt
ALL USABLE · WINDS CALM
N
WIND
140°3 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 4 ends
06 HDG 060° CALM 6,800'
24 HDG 240° CALM 6,800'
16 HDG 160° CALM 5,810'
34 HDG 340° CALM 5,810'
Pattern altitude: 2,175 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 +7°C

1,900FT
+725 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +100 FT
2,700 2,100 1,500
24h AGO18h12h6hNOW
FIELD ELEV1,175 FT OAT+20°C ISA DELTA+7°C PRESSURE ALT1,042 FT
// Performance equivalent Operating here right now feels like operating at KEKN (Elkins-Randolph County Regional Airport, Elkins, elev 1,987 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+19%
-13%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+13%
-9%
Light jetCJ4, Phenom 300, M2
+8%
-6%

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 · 11,276 FT FEW001 SCT070 OVC120 · CEILING KROA ELEV · 1,175 FT
// Reported layers (highest → lowest)
OVC120
Overcast · base 12,000 ft AGL · 8 oktas
SCT070
Scattered · base 7,000 ft AGL · ~3–4 oktas
FEW001
Few · base 100 ft AGL · ~1–2 oktas
// Computed
CEILING12,000 ft AGL HIGHEST LAYER12,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL11,276 ft VFR MARGIN+9,000 ft

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

10:04ZSUNRISE
17:18ZSOLAR NOON
00:32ZSUNSET
01:02ZCIVIL END
CURRENT10:51Z DAYLIGHT REMAINING13h 41m VFR NIGHT BEGINS01:02Z (14h 11m) DAY LENGTH14h 27m
Waxing Gibbous
ILLUMINATION83% MOONRISE18:47Z MOONSET09:15Z FULL MOON IN4 days

// Nearest reporting stations · 5 shown · 100 NM (sparse area)

// Area map · 80 NM radius · CartoDB Dark Matter + aeronautical overlay

© OpenStreetMap · CartoDB · OpenAIP
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