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// Station · 7m ago

KPIR

Pierre Regional Airport
CAT VFR
WIND 160° / 6 kt
VIS 10+ SM
CEILING CLR
T/Td 25°C / 18.9°C
ALTIM 29.99 inHg
ELEV 1,744 FT
44.3827°N / 100.2860°W
LOCATION · Pierre, US
N
WIND
160°6 kt
KPIR · 1,744 FT
© OSM · CartoDB

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

METRIC
NOW · 13Z
+6H
+12H
+18H
WIND
160°/6
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
25 / 19
 
 
 
ALTIM
29.99"
 
 
 

// Interpretation

VFR with light winds at 160°/6 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 111353Z AUTO 16006KT 10SM CLR 25/19 A2999 RMK AO2 SLP140 T02500189

KPIR · day 11 at 13:53 UTC · wind from 160° at 6 kt · visibility 10+ SM · temp 25°C / dewpoint 19°C · altimeter 29.99" Hg · automated station w/ precipitation discriminator · sea-level pressure 1014.0 mb

// Runway analysis · computed from current METAR wind

Wind 160° @ 6 kt
3 USABLE · 1 AVOID · 2 CAUTION
N
WIND
160°6 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 3 usable
13 HDG 130° H5 kt X3 kt RIGHT PRIMARY · 6,900'
07 HDG 070° H0 kt X6 kt RIGHT ⚠ HIGH XW · 100%
25 HDG 250° H0 kt X6 kt LEFT ⚠ HIGH XW · 100%
TAILWIND ENDS · AVOID 1 ends
31 HDG 310° T5 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 +13°C

3,300FT
+1,556 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -300 FT
4,900 3,650 2,400
24h AGO18h12h6hNOW
FIELD ELEV1,744 FT OAT+25°C ISA DELTA+13°C PRESSURE ALT1,670 FT
// Performance equivalent Operating here right now feels like operating at K9V6 (Martin Municipal Airport, Martin, elev 3,293 ft) on a standard ISA day.
// Aircraft performance impact SIGNIFICANT
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+33%
-23%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+23%
-15%
Light jetCJ4, Phenom 300, M2
+13%
-10%

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 · 14,370 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 LEVEL14,370 ft VFR MARGINunlimited

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

11:08ZSUNRISE
18:47ZSOLAR NOON
02:26ZSUNSET
03:02ZCIVIL END
CURRENT14:00Z DAYLIGHT REMAINING12h 26m VFR NIGHT BEGINS03:02Z (13h 02m) DAY LENGTH15h 18m
Waning Crescent
ILLUMINATION11% MOONRISE08:32Z MOONSET23:50Z FULL MOON IN18 days

// Nearest reporting stations · 5 shown · 100 NM (sparse area)

// Area map · 80 NM radius · CartoDB Dark Matter + aeronautical overlay

© OpenStreetMap · CartoDB · OpenAIP
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