Churchill Falls Airport

CZUM / ZUM

Churchill Falls, CA

Last Updated
Apr 13, 10:00Z

Current Weather

Display Units
Recent 58 min ago
10:00Z
☀️ Day
VFR
Flight Rules
-11°C
Temperature
Dewpoint: -14°C
3 kt
90°
9 SM
Visibility
∞
Ceiling
Unlimited
1015 hPa
QNH
Altimeter Setting

Raw METAR

METAR CZUM 131000Z AUTO 09003KT 9SM SCT110 M11/M14 A2997 RMK SLP182

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 1,442 ft
SCT 11,000 ft AGL
⛅
SCT
Scattered (3/8-4/8 sky coverage)
11,000 ft
AGL (Above Ground)
12,442 ft AMSL

Weather Briefing

VFR

Churchill Falls Airport is currently reporting visual flight rules (VFR) conditions with scattered clouds at 11,000 feet and 9 SM visibility.

Wind Analysis

Winds are from the east (90°) at 3 knots.

Visibility & Ceiling

Visibility is 9 SM. No ceiling exists. Cloud layers reported: scattered at 11,000 ft.

Temperature & Moisture

Temperature is -11°C (12°F) with a dewpoint of -14°C. The narrow temperature-dewpoint spread suggests high humidity and potential for visibility restrictions, especially during cooling periods. Temperatures are at or below freezing. Check for icing conditions and ensure aircraft anti-ice/de-ice systems are operational if required.

Forecast Outlook

The TAF forecast covers the next 12 hours. The forecast shows a transition between VFR and IFR conditions. Pilots should monitor the forecast closely and have an alternate airport plan. Expected weather includes: Light Snow, Light Snow, Blowing Snow, FCST, FCST. Temporary IFR conditions are forecast with Light Snow between 11:00Z and 14:00Z.

Pilot Recommendations

Conditions are favorable for visual flight. The narrow temperature-dewpoint spread creates risk of fog formation, particularly during evening and early morning hours. The forecast indicates conditions may deteriorate. Ensure you have fuel reserves and a viable alternate airport.

This briefing is generated from real-time METAR and TAF data. Always verify with official sources before flight.

QNH
1015 hPa
Sea Level Pressure
For altitude above MSL
QFE
967 hPa
Field Pressure
Height above aerodrome (1,442 ft)
Pressure Alt
1,390 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: -1,384 ft
ISA Deviation: -23.1°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF CZUM 130740Z 1308/1320 06005KT P6SM BKN120 FM131100 10010KT P6SM -SN OVC030 TEMPO 1311/1314 2SM -SN OVC015 FM131400 10012KT 2SM -SN OVC012 FM131700 15015G25KT 1SM -SN BLSN OVC007 RMK FCST BASED ON AUTO OBS. NXT FCST BY 131400Z
Upcoming Changes (Next 12 Hours)
10:57Z BASE
+0h
VFR 60° 5 kt
Visibility: >6SM
Ceiling: 12,000 ft
11:00Z FM131100
+1h
VFR 100° 10 kt
Visibility: >6SM
Ceiling: 3,000 ft
Light Snow
11:00Z TEMPO
+1h
IFR
Visibility: 2SM
Ceiling: 1,500 ft
Light Snow
14:00Z FM131400
+4h
IFR 100° 12 kt
Visibility: 2SM
Ceiling: 1,200 ft
Light Snow

24-Hour Weather Evolution

Loading weather data...
Data Sources
  • • Current conditions from METAR observations
  • • Historical data from past 24 hours
  • • No forecast or predicted data included
  • • Data updated with each new METAR report
Chart Features
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Note: Future values beyond current TAF validity are estimates based on climatological data and trends. Always verify with current forecasts before flight operations.

Airport Runway Layout

N
↑
ZUM
13 ✈️
31

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 13/31
Active: 13
 5,500 ft 150 ft ASP 104°
↑ 2.3 kt • ↔ 1.9 kt
40° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - CZUM

10,576 observations | Sep 2025 - Apr 2026

Flight Rules Distribution

VFR
44.3%
MVFR
46.1%
IFR
8.8%
LIFR
0.9%

Churchill Falls Airport is frequently affected by reduced visibility conditions, with VFR weather only 44.3% of the time and IFR/LIFR conditions occurring in 9.7% of observations. Prevailing winds are from the W averaging 7.9 knots. Temperature extremes range from -36°C to 22°C, reflecting significant seasonal variation. The best months for VFR flying are March, April, January.

Wind Analysis

Prevailing Direction: W (270°)
Average Speed: 7.9 kt
Maximum Recorded: 27 kt
Calm Winds: 4.3%
Direction Distribution:
N
8.5%
NE
7%
E
11.5%
SE
7.3%
S
6.5%
SW
8.4%
W
29.4%
NW
17.1%

Temperature Range

Average: -8.9°C
Range: -36°C to 22°C
-36°C 22°C

Visibility

Average: 7.6 SM
Below 3 SM: 4.5%
Fog Frequency: 0%

Best Months for VFR

March April January

Runway Wind Analysis

Runway 13/31
Favorable wind: 100%
Avg crosswind: 4.2 kt

Statistics computed from 10,576 METAR observations (Sep 2025 - Apr 2026). Data sourced from official aviation weather services. Updated daily.

Churchill Falls Airport - Airport Information

Airport Details

ICAO Code: CZUM
IATA Code: ZUM
Type: small airport
Status: active
Elevation: 1,442 ft MSL

Location

City: Churchill Falls
Country: CA
Latitude: 53.561901°
Longitude: -64.106400°
Time Zone: Etc/GMT+4

Runway Information

Runway 13/31
Length: 5,500 ft
Width: 150 ft
Surface: ASP
ILS: No

Flight Planning Tools

Crosswind
90°@3kt
Density Alt
1442ft, -11°C
Performance
Takeoff/Landing
Regions
Browse airports

About Churchill Falls Airport

Churchill Falls Airport (CZUM/ZUM) is located in Churchill Falls, CA at an elevation of 1,442 feet MSL. The airport has 1 runway (13/31), with the longest at 5,500 feet.

Weather Profile

CZUM is weather-challenged, with VFR conditions just 44.3% of the time across 10,576 observations. IFR/LIFR conditions are present 9.7% of the time, making an instrument rating essential for reliable access.

Wind Patterns & Runway Selection

Prevailing winds at CZUM come from the W (270°) with an average speed of 7.9 knots and recorded gusts up to 27 knots. Runway 13/31 offers the lowest average crosswind component at 4.2 knots, making it the preferred choice in typical wind conditions.

Seasonal Considerations

The best months for VFR operations are March, April, January, when clear skies are most prevalent. Temperatures at the field range from -36°C (-33°F) to 22°C (72°F), averaging -8.9°C (16°F). Cold weather operations require attention to aircraft preheating, de-icing, and cold-soaked fuel management. Altimeter settings typically range from 28.26 to 30.52 inHg (957-1034 hPa).

Data Sources: Airport data from OurAirports.com. Weather statistics derived from 10,576 official METAR observations (Sep 2025 - Apr 2026). Pilots should always verify current conditions through official channels before flight.

Learn More

Recommended guides based on current conditions at CZUM

Aircraft Icing Conditions
Types, detection, and avoidance strategies
freezing cold
Fog Formation & Types
Why fog forms and how to predict it
fog narrow-spread
Temperature Inversions
How inversions trap pollution and fog
fog narrow-spread
Runway Surface Conditions
Wet, contaminated, and winter operations
cold freezing
How to Read TAF Forecasts
Interpret terminal aerodrome forecasts
taf
Coastal Weather Patterns
Sea breeze, marine layers, and coastal fog
fog
View all learning resources →

Official Data Sources

Weather NOAA Aviation Weather Center • International METAR/TAF Network
Airports OurAirports.com • Public domain airport database
NOTAMs FAA NOTAM System • ICAO NOTAM Distribution
Last updated: Jan 1, 1970 12:00 AM UTC

Disclaimer: Data is provided for informational purposes only. Pilots must verify all information through official sources before flight operations. Weather conditions change rapidly; always obtain a current briefing from approved weather services.