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// Station · 19m ago

KGRB

Austin Straubel International Airport
CAT VFR
WIND CALM
VIS 10+ SM
CEILING CLR
T/Td 21.1°C / 17.2°C
ALTIM 30.10 inHg
ELEV 695 FT
44.4835°N / 88.1308°W
LOCATION · Green Bay, US
N
WIND
000°0 kt
KGRB · 695 FT
© OSM · CartoDB

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

METRIC
NOW · 12Z
+6H
+12H
+18H
WIND
CALM
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
21 / 17
 
 
 
ALTIM
30.10"
 
 
 

// Interpretation

VFR with winds calm. 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 KGRB 111253Z 00000KT 10SM CLR 21/17 A3010 RMK AO2 SLP190 T02110172 $

KGRB · day 11 at 12:53 UTC · winds calm · visibility 10+ SM · temp 21°C / dewpoint 17°C · altimeter 30.10" Hg · automated station w/ precipitation discriminator · sea-level pressure 1019.0 mb

// Runway analysis · computed from current METAR wind

Wind CALM
ALL USABLE · WINDS CALM
N
WIND
000°calm
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
ALL RUNWAYS · CALM WINDS 4 ends
18 HDG 180° CALM 8,700'
36 HDG 360° CALM 8,700'
06 HDG 060° CALM 7,700'
24 HDG 240° CALM 7,700'
Pattern altitude: 1,695 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 +7°C

1,400FT
+705 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -300 FT
2,600 1,500 400
24h AGO18h12h6hNOW
FIELD ELEV695 FT OAT+21°C ISA DELTA+7°C PRESSURE ALT512 FT
// Performance equivalent Operating here right now feels like operating at KMDZ (Taylor County Airport, Medford, elev 1,478 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+14%
-10%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+10%
-6%
Light jetCJ4, Phenom 300, M2
+6%
-4%

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 · 11,352 FT KGRB ELEV · 695 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL11,352 ft VFR MARGINunlimited

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

10:19ZSUNRISE
17:59ZSOLAR NOON
01:38ZSUNSET
02:14ZCIVIL END
CURRENT13:12Z DAYLIGHT REMAINING12h 26m VFR NIGHT BEGINS02:14Z (13h 01m) DAY LENGTH15h 19m
Waning Crescent
ILLUMINATION11% MOONRISE07:41Z MOONSET23:00Z FULL MOON IN18 days

// Nearest reporting stations · 5 shown · 60 NM radius

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

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