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// Station · 50m ago

CYYB

North Bay Jack Garland Airport
CAT VFR
WIND 360° / 5 kt
VIS 9.0 SM
CEILING CLR
T/Td 9°C / 7°C
ALTIM 29.97 inHg
ELEV 1,215 FT
46.3636°N / 79.4228°W
LOCATION · North Bay, CA
N
WIND
360°5 kt
CYYB · 1,215 FT
© OSM · CartoDB

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

METRIC
NOW · 10Z
+6H
+12H
+18H
WIND
360°/5
 
 
 
VIS
9.0 SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
 
 
 
T / Td
9 / 7
 
 
 
ALTIM
29.97"
 
 
 

// Interpretation

VFR with light winds at 360°/5 kt. Visibility 9.0 SM 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 CYYB 271000Z AUTO 36005KT 9SM CLR 09/07 A2997 RMK SLP153

CYYB · day 27 at 10:00 UTC · wind from 360° at 5 kt · visibility 9.0 SM · temp 9°C / dewpoint 7°C · altimeter 29.97" Hg · sea-level pressure 1015.3 mb

// Runway analysis · computed from current METAR wind

Wind 360° @ 5 kt
3 USABLE · 3 AVOID
N
WIND
360°5 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 3 usable
36 HDG 360° H5 kt X0 kt PRIMARY · 4,474'
31 HDG 310° H3 kt X4 kt RIGHT 2,500'
08 HDG 080° H1 kt X5 kt LEFT 10,000'
TAILWIND ENDS · AVOID 3 ends
26 HDG 260° T1 kt X5 kt RIGHT
13 HDG 130° T3 kt X4 kt LEFT
18 HDG 180° T5 kt X0 kt
Pattern altitude: 2,215 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 -4°C

700FT
-515 FT BELOW FIELD ELEV
// DA · LAST 24 HOURS ↘ -600 FT
3,000 1,700 400
24h AGO18h12h6hNOW
FIELD ELEV1,215 FT OAT+9°C ISA DELTA-4°C PRESSURE ALT1,162 FT
// Performance equivalent Operating here right now feels like operating at CKB6 (Wapekeka Airport, Angling Lake, elev 712 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+7%
-5%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+5%
-3%
Light jetCJ4, Phenom 300, M2
+3%
-2%

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 · 5,760 FT CYYB ELEV · 1,215 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING HIGHEST LAYER TOTAL COVERAGEclear FREEZING LEVEL5,760 ft VFR MARGINunlimited

// Sun & Moon · times in Z · bar = local day (UTC-5)

09:34ZSUNRISE
17:16ZSOLAR NOON
00:58ZSUNSET
01:35ZCIVIL END
CURRENT10:50Z DAYLIGHT REMAINING14h 08m VFR NIGHT BEGINS01:35Z (14h 45m) DAY LENGTH15h 24m
Waxing Gibbous
ILLUMINATION83% MOONRISE18:16Z MOONSET09:41Z FULL MOON IN4 days

// Nearest reporting stations · 5 shown · 150 NM (sparse area)

// Area map · 140 NM radius · CartoDB Dark Matter + aeronautical overlay

© OpenStreetMap · CartoDB · OpenAIP
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