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// STALE Observation is 5h 12m old — METAR cadence is typically hourly. A fresh report may be on its way.

// Station · 5h 12m ago · STALE

SERB

Chimborazo Airport
CAT VFR
WIND 020° / 16 kt
VIS 6+ SM
CEILING Few/scattered only
T/Td 19°C / 7°C
ALTIM 30.39 inHg
ELEV 9,151 FT
1.6533°S / 78.6563°W
LOCATION · Riobamba, EC
N
WIND
020°16 kt
SERB · 9,151 FT
© OSM · CartoDB

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

METRIC
NOW · 21Z
+6H
+12H
+18H
WIND
020°/16
 
 
 
VIS
6+ SM
 
 
 
CEILING
 
 
 
LAYERS
SCT040
 
 
 
T / Td
19 / 7
 
 
 
ALTIM
30.39"
 
 
 

// Interpretation

VFR with brisk winds at 020°/16 kt. Visibility 6+ SM and scattered at 4,000 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

METAR SERB 142100Z 02016KT 9999 SCT040 19/07 Q1029 RMK A3041

SERB · day 14 at 21:00 UTC · wind from 020° at 16 kt · visibility 6+ SM · scattered layer at 4,000 ft · temp 19°C / dewpoint 7°C · altimeter 30.39" Hg

// Runway analysis · computed from current METAR wind

Wind 020° @ 16 kt
1 USABLE · 1 AVOID
N
WIND
020°16 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
05 HDG 050° H14 kt X8 kt LEFT PRIMARY · 5,250'
TAILWIND ENDS · AVOID 1 ends
23 HDG 230° T14 kt X8 kt RIGHT
Pattern altitude: 10,151 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 +21°C

11,200FT
+2,049 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↗ +1,000 FT
11,500 10,750 10,000
24h AGO18h12h6hNOW
FIELD ELEV9,151 FT OAT+19°C ISA DELTA+21°C PRESSURE ALT8,685 FT
// Performance equivalent Your aircraft will perform as if it's at a field 11,200 ft high on a standard ISA day — that's +2,049 ft above SERB's actual elevation.
// Aircraft performance impact DANGEROUS
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+112%
-78%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+78%
-50%
Light jetCJ4, Phenom 300, M2
+45%
-34%

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 · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 18,747 FT SCT040 SERB ELEV · 9,151 FT
// Reported layers (highest → lowest)
SCT040
Scattered · base 4,000 ft AGL · ~3–4 oktas
// Computed
CEILING HIGHEST LAYER4,000 ft TOTAL COVERAGE~40% (mixed) FREEZING LEVEL18,747 ft VFR MARGINunlimited

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

11:20ZSUNRISE
17:21ZSOLAR NOON
23:22ZSUNSET
23:44ZCIVIL END
CURRENT02:12Z DAYLIGHT REMAINING0m VFR NIGHT BEGINS23:44Z (past) DAY LENGTH12h 01m
New Moon
ILLUMINATION0% MOONRISE11:35Z MOONSET23:37Z FULL MOON IN14 days

// Nearest reporting stations · 4 shown · 100 NM (sparse area)

// Area map · 100 NM radius · CartoDB Dark Matter + aeronautical overlay

© OpenStreetMap · CartoDB · OpenAIP
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