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// Station · 19m ago

KALS

San Luis Valley Regional Airport/Bergman Field
CAT VFR
WIND VRB / 4 kt
VIS 10+ SM
CEILING CLR
T/Td 24.4°C / 6.1°C
ALTIM 30.47 inHg
ELEV 7,539 FT
37.4349°N / 105.8670°W
LOCATION · Alamosa, US
N
WIND
VRB4 kt
KALS · 7,539 FT
© OSM · CartoDB

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

METRIC
NOW · 17Z
+6H
+12H
+18H
WIND
VRB/4
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
24 / 6
 
 
 
ALTIM
30.47"
 
 
 

// Interpretation

VFR with light winds at variable/4 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 KALS 251752Z AUTO VRB04KT 10SM CLR 24/06 A3047 RMK AO2 SLP217 T02440061 10244 20056 58005 $

KALS · day 25 at 17:52 UTC · wind variable at 4 kt · visibility 10+ SM · temp 24°C / dewpoint 6°C · altimeter 30.47" Hg · automated station w/ precipitation discriminator · sea-level pressure 1021.7 mb

// Runway analysis · computed from current METAR wind

Wind VRB @ 4 kt
ALL USABLE · WINDS CALM
N
WIND
VRB4 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 2 ends
02 HDG 020° CALM 8,521'
20 HDG 200° CALM 8,521'
Pattern altitude: 8,539 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 +23°C

9,800FT
+2,261 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV7,539 FT OAT+24°C ISA DELTA+23°C PRESSURE ALT6,987 FT
// Performance equivalent Operating here right now feels like operating at KLXV (Lake County Airport, Leadville, elev 9,927 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+98%
-69%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+69%
-44%
Light jetCJ4, Phenom 300, M2
+39%
-29%

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. Severity rating assumes a standard altimeter setting (29.92" Hg / 1013 hPa); a non-standard setting shifts the effective altitude by roughly 1,000 ft per 1" Hg of deviation.

// Cloud layers · clear · no layers reported

FT 0 5k 10k 15k 20k 25k FRZ LVL · 19,862 FT KALS ELEV · 7,539 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL19,862 ft VFR MARGINunlimited

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

12:29ZSUNRISE
19:07ZSOLAR NOON
01:44ZSUNSET
02:11ZCIVIL END
CURRENT18:11Z DAYLIGHT REMAINING7h 32m VFR NIGHT BEGINS02:11Z (7h 59m) DAY LENGTH13h 15m
Waxing Gibbous
ILLUMINATION94% MOONRISE22:35Z MOONSET11:51Z FULL MOON IN2 days

// Nearest reporting stations

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

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