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// KSQI · Whiteside County Airport - Joseph H Bittorf Field · Rock Falls

// Station · 36m ago

KSQI

Whiteside County Airport - Joseph H Bittorf Field
CAT VFR
WIND 230° / 11 kt
VIS 10+ SM
CEILING CLR
T/Td 24.4°C / 15.6°C
ALTIM 29.76 inHg
ELEV 648 FT
41.7422°N / 89.6736°W
LOCATION · Rock Falls, US
N
WIND
230°11 kt
KSQI · 648 FT
© OSM · CartoDB

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

METRIC
NOW · 05Z
+6H
+12H
+18H
WIND
230°/11
 
 
 
VIS
10+ SM
 
 
 
CEILING
CLR
 
 
 
LAYERS
—
 
 
 
T / Td
24 / 16
 
 
 
ALTIM
29.76"
 
 
 

Loading TAF forecast…

// Interpretation

VFR with moderate winds at 230°/11 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 KSQI 130556Z AUTO 23011KT 10SM CLR 24/16 A2976 RMK AO2 SLP069 T02440156 10272 20239 403220183 58000 $

KSQI · day 13 at 05:56 UTC · wind from 230° at 11 kt · visibility 10+ SM · temp 24°C / dewpoint 16°C · altimeter 29.76" Hg · automated station w/ precipitation discriminator · sea-level pressure 1006.9 mb

// Runway analysis · computed from current METAR wind

Wind 230° @ 11 kt
2 USABLE · 2 AVOID · 1 CAUTION
N
WIND
230°11 kt
HEADWIND CAUTION · HIGH XW AVOID · TAILWIND
HEADWIND ENDS 2 usable
25★ HDG 250° H10 kt X4 kt LEFT PRIMARY · 6,499'
18 HDG 180° H7 kt X8 kt RIGHT ⚠ HIGH XW · 73%
TAILWIND ENDS · AVOID 2 ends
36 HDG 360° T7 kt X8 kt LEFT —
07 HDG 070° T10 kt X4 kt RIGHT —
Pattern altitude: 1,648 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 +11°C

2,100FT
+1,452 FT ABOVE FIELD ELEV
// DA · LAST 24 HOURS loading…
FIELD ELEV648 FT OAT+24°C ISA DELTA+11°C PRESSURE ALT805 FT
// Performance equivalent Operating here right now feels like operating at KODX (Evelyn Sharp Field, Ord, elev 2,070 ft) on a standard ISA day.
// Aircraft performance impact MODERATE
TAKEOFF ROLL CLIMB RATE
Single-engine propC172, PA-28, Cherokee
+21%
-15%
Turbo / high-perf pistonSR22T, Bonanza, Mooney
+15%
-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. 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 · 12,971 FT KSQI ELEV · 648 FT
// Reported layers (highest → lowest)
CLR
No reported cloud layers — clear sky from surface to reporting ceiling.
// Computed
CEILING— HIGHEST LAYER— TOTAL COVERAGEclear FREEZING LEVEL12,971 ft VFR MARGINunlimited

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

12:09ZSUNRISE
17:46ZSOLAR NOON
23:22ZSUNSET
23:50ZCIVIL END
CURRENT06:32Z DAYLIGHT REMAINING16h 50m VFR NIGHT BEGINS23:50Z (17h 18m) DAY LENGTH11h 12m
Waxing Crescent
ILLUMINATION4% MOONRISE13:41Z MOONSET00:54Z FULL MOON IN13 days

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