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// KGGI · Grinnell Regional Airport · Grinnell

// Station · 16m ago

KGGI

Grinnell Regional Airport
CAT VFR
WIND 270° / 9 kt
VIS 10+ SM
CEILING CLR
T/Td 15.9°C / 13°C
ALTIM 29.84 inHg
ELEV 1,008 FT
41.7099°N / 92.7361°W
LOCATION · Grinnell, US
N
WIND
270°9 kt
KGGI · 1,008 FT
© OSM · CartoDB

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

METRIC
NOW · 06Z
+6H
+12H
+18H
WIND
270°/9
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
—
 
 
 
T / Td
16 / 13
 
 
 
ALTIM
29.84"
 
 
 

Loading TAF forecast…

// Interpretation

VFR with moderate winds at 270°/9 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 KGGI 130615Z AUTO 27009KT 10SM CLR 16/13 A2984 RMK AO2 T01590130

KGGI · day 13 at 06:15 UTC · wind from 270° at 9 kt · visibility 10+ SM · temp 16°C / dewpoint 13°C · altimeter 29.84" Hg · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 270° @ 9 kt
1 USABLE · 1 AVOID · 1 CAUTION
N
WIND
270°9 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 1 usable
31★ HDG 310° H7 kt X6 kt LEFT PRIMARY · 5,200'
TAILWIND ENDS · AVOID 1 ends
13 HDG 130° T7 kt X6 kt RIGHT —
Pattern altitude: 2,008 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 +3°C

1,500FT
+492 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV1,008 FT OAT+16°C ISA DELTA+3°C PRESSURE ALT1,085 FT
// Performance equivalent Operating here right now feels like operating at KSLB (Storm Lake Municipal Airport, Storm Lake, elev 1,488 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+15%
-11%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+11%
-7%
Light jetCJ4, Phenom 300, M2
+6%
-5%

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 · 9,038 FT KGGI ELEV · 1,008 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL9,038 ft VFR MARGINunlimited

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

12:21ZSUNRISE
17:58ZSOLAR NOON
23:34ZSUNSET
00:02ZCIVIL END
CURRENT06:31Z DAYLIGHT REMAINING17h 03m VFR NIGHT BEGINS00:02Z (17h 31m) DAY LENGTH11h 12m
Waxing Crescent
ILLUMINATION4% MOONRISE13:53Z MOONSET01:06Z FULL MOON IN13 days

// Nearest reporting stations

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

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