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// Station · 57m ago

CYYB

North Bay Jack Garland Airport
CAT VFR
WIND 110° / 7 kt
VIS 10+ SM
CEILING Few/scattered only
T/Td 21°C / 8°C
ALTIM 30.13 inHg
ELEV 1,215 FT
46.3636°N / 79.4228°W
LOCATION · North Bay, CA
N
WIND
110°7 kt
CYYB · 1,215 FT
© OSM · CartoDB

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

METRIC
NOW · 13Z
+6H
+12H
+18H
WIND
110°/7
 
 
 
VIS
10+ SM
 
 
 
CEILING
 
 
 
LAYERS
FEW250
 
 
 
T / Td
21 / 8
 
 
 
ALTIM
30.13"
 
 
 

// Interpretation

VFR with light winds at 110°/7 kt. Visibility better than 10 statute miles and a few at 25,000 ft. 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 111300Z 11007KT 30SM FEW250 21/08 A3013 RMK CI1 SLP205 DENSITY ALT 2000FT

CYYB · day 11 at 13:00 UTC · wind from 110° at 7 kt · visibility 10+ SM · a few clouds at 25,000 ft · temp 21°C / dewpoint 8°C · altimeter 30.13" Hg · sea-level pressure 1020.5 mb

// Runway analysis · computed from current METAR wind

Wind 110° @ 7 kt
3 USABLE · 3 AVOID · 1 CAUTION
N
WIND
110°7 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 3 usable
13 HDG 130° H7 kt X2 kt LEFT PRIMARY · 2,500'
08 HDG 080° H6 kt X3 kt RIGHT 10,000'
18 HDG 180° H2 kt X7 kt LEFT ⚠ HIGH XW · 100%
TAILWIND ENDS · AVOID 3 ends
36 HDG 360° T2 kt X7 kt RIGHT
26 HDG 260° T6 kt X3 kt LEFT
31 HDG 310° T7 kt X2 kt RIGHT
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 +8°C

2,000FT
+785 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS ↘ -400 FT
3,200 1,750 300
24h AGO18h12h6hNOW
FIELD ELEV1,215 FT OAT+21°C ISA DELTA+8°C PRESSURE ALT1,003 FT
// Performance equivalent Operating here right now feels like operating at CYWK (Wabush Airport, Wabush, elev 1,808 ft) on a standard ISA day.
// Aircraft performance impact MINOR
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+20%
-14%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+14%
-9%
Light jetCJ4, Phenom 300, M2
+8%
-6%

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 · 1 reported · highest to lowest

FT 0 5k 10k 15k 20k 25k FRZ LVL · 11,821 FT FEW250 CYYB ELEV · 1,215 FT
// Reported layers (highest → lowest)
FEW250
Few · base 25,000 ft AGL · ~1–2 oktas
// Computed
CEILING HIGHEST LAYER25,000 ft TOTAL COVERAGE~15% (sparse) FREEZING LEVEL11,821 ft VFR MARGINunlimited

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

09:37ZSUNRISE
17:24ZSOLAR NOON
01:10ZSUNSET
01:48ZCIVIL END
CURRENT13:57Z DAYLIGHT REMAINING11h 12m VFR NIGHT BEGINS01:48Z (11h 50m) DAY LENGTH15h 33m
Waning Crescent
ILLUMINATION11% MOONRISE07:01Z MOONSET22:34Z FULL MOON IN18 days

// Nearest reporting stations · 3 shown · 100 NM (sparse area)

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

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