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// Station · 17m ago

KRRL

Merrill Municipal Airport
CAT VFR
WIND 250° / 11 kt G15
VIS 10+ SM
CEILING CLR
T/Td 32.8°C / 18.8°C
ALTIM 30.09 inHg
ELEV 1,318 FT
45.1989°N / 89.7129°W
LOCATION · Merrill, US
N
WIND
250°11 kt
KRRL · 1,318 FT
© OSM · CartoDB

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

METRIC
NOW · 21Z
+6H
+12H
+18H
WIND
250°/11G15
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
33 / 19
 
 
 
ALTIM
30.09"
 
 
 

// Interpretation

VFR with moderate winds at 250°/11 kt, gusting 15. 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 KRRL 142155Z AUTO 25011G15KT 10SM CLR 33/19 A3009 RMK AO2 T03280188 TSNO

KRRL · day 14 at 21:55 UTC · wind from 250° at 11 kt, gusts to 15 kt · visibility 10+ SM · temp 33°C / dewpoint 19°C · altimeter 30.09" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 250° @ 11 ktG15
3 USABLE · 1 AVOID · 2 CAUTION
N
WIND
250°11G15 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 3 usable
25 HDG 250° H11 kt X0 kt PRIMARY · 5,101'
16 HDG 160° H0 kt X11 kt RIGHT ⚠ HIGH XW · 73%
34 HDG 340° H0 kt X11 kt LEFT ⚠ HIGH XW · 73%
TAILWIND ENDS · AVOID 1 ends
07 HDG 070° T11 kt X0 kt
Pattern altitude: 2,318 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 +20°C

3,600FT
+2,282 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +100 FT
4,000 2,500 1,000
24h AGO18h12h6hNOW
FIELD ELEV1,318 FT OAT+33°C ISA DELTA+20°C PRESSURE ALT1,147 FT
// Performance equivalent Operating here right now feels like operating at KGRN (Gordon Municipal Airport, Gordon, elev 3,562 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+36%
-25%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+25%
-16%
Light jetCJ4, Phenom 300, M2
+14%
-11%

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 · 17,884 FT KRRL ELEV · 1,318 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL17,884 ft VFR MARGINunlimited

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

10:25ZSUNRISE
18:05ZSOLAR NOON
01:45ZSUNSET
02:21ZCIVIL END
CURRENT22:12Z DAYLIGHT REMAINING3h 33m VFR NIGHT BEGINS02:21Z (4h 09m) DAY LENGTH15h 19m
New Moon
ILLUMINATION0% MOONRISE10:32Z MOONSET01:52Z 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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