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// Station · 15m ago

KBCB

Virginia Tech Montgomery Executive Airport
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 28.5°C / 15.6°C
ALTIM 30.24 inHg
ELEV 2,132 FT
37.2076°N / 80.4078°W
LOCATION · Blacksburg, US
N
WIND
000°0 kt
KBCB · 2,132 FT
© OSM · CartoDB

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

METRIC
NOW · 21Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
29 / 16
 
 
 
ALTIM
30.24"
 
 
 

// 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 KBCB 142155Z AUTO 00000KT 10SM CLR 29/16 A3024 RMK AO2 T02850156

KBCB · day 14 at 21:55 UTC · winds calm · visibility 10+ SM · temp 29°C / dewpoint 16°C · altimeter 30.24" Hg · automated station w/ precipitation discriminator

// 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
13 HDG 130° CALM 5,501'
31 HDG 310° CALM 5,501'
Pattern altitude: 3,132 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 +17°C

3,900FT
+1,768 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +700 FT
4,200 3,100 2,000
24h AGO18h12h6hNOW
FIELD ELEV2,132 FT OAT+29°C ISA DELTA+17°C PRESSURE ALT1,810 FT
// Performance equivalent Operating here right now feels like operating at KHSP (Ingalls Field, Hot Springs, elev 3,793 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+39%
-27%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+27%
-18%
Light jetCJ4, Phenom 300, M2
+16%
-12%

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 · 16,526 FT KBCB ELEV · 2,132 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL16,526 ft VFR MARGINunlimited

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

10:13ZSUNRISE
17:28ZSOLAR NOON
00:43ZSUNSET
01:13ZCIVIL END
CURRENT22:10Z DAYLIGHT REMAINING2h 33m VFR NIGHT BEGINS01:13Z (3h 03m) DAY LENGTH14h 29m
New Moon
ILLUMINATION0% MOONRISE10:19Z MOONSET00:49Z FULL MOON IN15 days

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

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

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