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// Station · 12m ago

KPIR

Pierre Regional Airport
CAT VFR
WIND 170° / 5 kt
VIS 10+ SM
CEILING CLR
T/Td 27.2°C / 19.4°C
ALTIM 29.99 inHg
ELEV 1,744 FT
44.3827°N / 100.2860°W
LOCATION · Pierre, US
N
WIND
170°5 kt
KPIR · 1,744 FT
© OSM · CartoDB

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

METRIC
NOW · 14Z
+6H
+12H
+18H
WIND
170°/5
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
27 / 19
 
 
 
ALTIM
29.99"
 
 
 

// Interpretation

VFR with light winds at 170°/5 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 KPIR 111453Z AUTO 17005KT 10SM CLR 27/19 A2999 RMK AO2 SLP138 T02720194 50009

KPIR · day 11 at 14:53 UTC · wind from 170° at 5 kt · visibility 10+ SM · temp 27°C / dewpoint 19°C · altimeter 29.99" Hg · automated station w/ precipitation discriminator · sea-level pressure 1013.8 mb

// Runway analysis · computed from current METAR wind

Wind 170° @ 5 kt
2 USABLE · 2 AVOID
N
WIND
170°5 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
13 HDG 130° H4 kt X3 kt RIGHT PRIMARY · 6,900'
25 HDG 250° H1 kt X5 kt LEFT 6,880'
TAILWIND ENDS · AVOID 2 ends
07 HDG 070° T1 kt X5 kt RIGHT
31 HDG 310° T4 kt X3 kt LEFT
Pattern altitude: 2,744 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 +16°C

3,500FT
+1,756 FT ABOVE FIELD ELEV
FIELD ELEV1,744 FT OAT+27°C ISA DELTA+16°C PRESSURE ALT1,670 FT
// Performance equivalent Operating here right now feels like operating at KIEN (Pine Ridge Airport, Pine Ridge, elev 3,333 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+35%
-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 · 15,481 FT KPIR ELEV · 1,744 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL15,481 ft VFR MARGINunlimited

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

11:08ZSUNRISE
18:47ZSOLAR NOON
02:26ZSUNSET
03:02ZCIVIL END
CURRENT15:05Z DAYLIGHT REMAINING11h 21m VFR NIGHT BEGINS03:02Z (11h 57m) DAY LENGTH15h 18m
Waning Crescent
ILLUMINATION11% MOONRISE08:34Z MOONSET23:52Z FULL MOON IN18 days

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

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

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