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// STALE Observation is 1h 0m old — METAR cadence is typically hourly. A fresh report may be on its way.

// Station · 1h 0m ago · STALE

KBTP

Pittsburgh/Butler Regional Airport
CAT VFR
WIND 010° / 11 kt
VIS 10+ SM
CEILING CLR
T/Td 21.1°C / 5°C
ALTIM 30.08 inHg
ELEV 1,248 FT
40.7769°N / 79.9497°W
LOCATION · Butler, US
N
WIND
010°11 kt
KBTP · 1,248 FT
© OSM · CartoDB

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

METRIC
NOW · 19Z
+6H
+12H
+18H
WIND
010°/11
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
21 / 5
 
 
 
ALTIM
30.08"
 
 
 

// Interpretation

VFR with moderate winds at 010°/11 kt. 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 KBTP 301956Z AUTO 01011KT 10SM CLR 21/05 A3008 RMK AO2 SLP189 T02110050 $

KBTP · day 30 at 19:56 UTC · wind from 010° at 11 kt · visibility 10+ SM · temp 21°C / dewpoint 5°C · altimeter 30.08" Hg · automated station w/ precipitation discriminator · sea-level pressure 1018.9 mb

// Runway analysis · computed from current METAR wind

Wind 010° @ 11 kt
1 USABLE · 1 AVOID · 1 CAUTION
N
WIND
010°11 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
08 HDG 080° H4 kt X10 kt LEFT PRIMARY · 4,801'
TAILWIND ENDS · AVOID 1 ends
26 HDG 260° T4 kt X10 kt RIGHT
Pattern altitude: 2,248 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 +8°C

2,100FT
+852 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -500 FT
2,900 1,700 500
24h AGO18h12h6hNOW
FIELD ELEV1,248 FT OAT+21°C ISA DELTA+8°C PRESSURE ALT1,086 FT
// Performance equivalent Operating here right now feels like operating at KBFD (Bradford Regional Airport, Bradford, elev 2,143 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+21%
-15%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+15%
-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 · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 11,905 FT KBTP ELEV · 1,248 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL11,905 ft VFR MARGINunlimited

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

09:53ZSUNRISE
17:18ZSOLAR NOON
00:44ZSUNSET
01:17ZCIVIL END
CURRENT20:56Z DAYLIGHT REMAINING3h 47m VFR NIGHT BEGINS01:17Z (4h 20m) DAY LENGTH14h 51m
Full Moon
ILLUMINATION100% MOONRISE21:22Z MOONSET12:14Z FULL MOON IN1 day

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

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

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