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// Station · 10m ago

KGRK

Killeen Regional Airport / Robert Gray Army Airfield
CAT VFR
WIND 190° / 4 kt
VIS 10+ SM
CEILING BKN at 3,100 ft
T/Td 27°C / 23°C
ALTIM 30.09 inHg
ELEV 1,015 FT
31.0672°N / 97.8289°W
LOCATION · Fort Cavazos, US
N
WIND
190°4 kt
KGRK · 1,015 FT
© OSM · CartoDB

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

METRIC
NOW · 15Z
+6H
+12H
+18H
WIND
190°/4
 
 
 
VIS
10+ SM
 
 
 
CEILING
BKN031
 
 
 
LAYERS
SCT016 SCT024 BKN031
 
 
 
T / Td
27 / 23
 
 
 
ALTIM
30.09"
 
 
 

// Interpretation

VFR — ceiling 3,100 ft. Light winds at 190°/4 kt, visibility better than 10 statute miles, scattered at 1,600 ft, scattered at 2,400 ft, and broken at 3,100 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 KGRK 111505Z AUTO 19004KT 10SM SCT016 SCT024 BKN031 27/23 A3009 RMK AO2 SLP176

KGRK · day 11 at 15:05 UTC · wind from 190° at 4 kt · visibility 10+ SM · scattered layer at 1,600 ft · scattered layer at 2,400 ft · broken layer at 3,100 ft · temp 27°C / dewpoint 23°C · altimeter 30.09" Hg · automated station w/ precipitation discriminator · sea-level pressure 1017.6 mb

// Runway analysis · computed from current METAR wind

Wind 190° @ 4 kt
ALL USABLE · WINDS CALM
N
WIND
190°4 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 2 ends
15 HDG 150° CALM 9,997'
33 HDG 330° CALM 9,997'
Pattern altitude: 2,015 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 +14°C

2,500FT
+1,485 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -600 FT
4,000 2,900 1,800
24h AGO18h12h6hNOW
FIELD ELEV1,015 FT OAT+27°C ISA DELTA+14°C PRESSURE ALT844 FT
// Performance equivalent Operating here right now feels like operating at KSNK (Winston Field, Snyder, elev 2,430 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+25%
-18%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+18%
-11%
Light jetCJ4, Phenom 300, M2
+10%
-8%

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 · 14,651 FT SCT016 SCT024 BKN031 · CEILING KGRK ELEV · 1,015 FT
// Reported layers (highest → lowest)
BKN031
Broken · base 3,100 ft AGL · ~5–7 oktas
SCT024
Scattered · base 2,400 ft AGL · ~3–4 oktas
SCT016
Scattered · base 1,600 ft AGL · ~3–4 oktas
// Computed
CEILING3,100 ft AGL HIGHEST LAYER3,100 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL14,651 ft VFR MARGIN+100 ft

// Sun & Moon · times in Z · bar = local day (UTC-7)

11:36ZSUNRISE
18:37ZSOLAR NOON
01:38ZSUNSET
02:06ZCIVIL END
CURRENT15:15Z DAYLIGHT REMAINING10h 22m VFR NIGHT BEGINS02:06Z (10h 50m) DAY LENGTH14h 01m
Waning Crescent
ILLUMINATION11% MOONRISE09:02Z MOONSET23:04Z 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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