Dunby Manor Heliport

CDM4

Mono, CA

Last Updated
Jul 4, 06:39Z

No METAR Available for CDM4

Showing weather from nearby airport with METAR data.

Currently using: CYYZ
Weather Source: Toronto Lester B. Pearson International Airport (CYYZ)
Distance: 27nm / 50km from CDM4

Current Weather

Display Units
Fresh 18 min ago
06:39Z
☀️ Day
VFR
Flight Rules
23°C
Temperature
Dewpoint: 22°C
4 kt
270°
15 SM
Visibility
15,000 ft
Ceiling
Above Ground Level
1014 hPa
QNH
Altimeter Setting

Raw METAR

SPECI CYYZ 040639Z 27004KT 15SM SCT082 BKN150 BKN220 23/22 A2994 RMK AC4AC3CI1 CI TR SLP137 DENSITY ALT 1700FT

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 1,407 ft
SCT 8,200 ft AGL
BKN 15,000 ft AGL
BKN 22,000 ft AGL
⛅
SCT
Scattered (3/8-4/8 sky coverage)
8,200 ft
AGL (Above Ground)
9,607 ft AMSL
☁️
BKN
Broken (5/8-7/8 sky coverage)
15,000 ft
AGL (Above Ground)
16,407 ft AMSL
☁️
BKN
Broken (5/8-7/8 sky coverage)
22,000 ft
AGL (Above Ground)
23,407 ft AMSL

Weather Briefing

VFR

Dunby Manor Heliport is currently reporting visual flight rules (VFR) conditions with broken clouds at 15,000 feet and 15 SM visibility.

Wind Analysis

Winds are from the west (270°) at 4 knots.

Visibility & Ceiling

Visibility is 15 SM. The ceiling is 15000 feet AGL (broken), well above standard VFR minimums.

Temperature & Moisture

Temperature is 23°C (73°F) with a dewpoint of 22°C. The temperature-dewpoint spread is very narrow, indicating saturated or near-saturated air. Fog formation or low cloud development is likely.

Forecast Outlook

The TAF forecast covers the next 30 hours. Conditions are expected to fluctuate between VFR and MVFR. VFR pilots should be prepared for deteriorating conditions. Expected weather includes: Light Showers Rain, Mist, Light Showers Rain, FCST. Temporary MVFR conditions are forecast with Light Showers Rain, Mist between 06:00Z and 08:00Z. Temporary MVFR conditions are forecast with Light Showers Rain, Mist between 18:00Z and 00:00Z.

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
1014 hPa
Sea Level Pressure
For altitude above MSL
QFE
967 hPa
Field Pressure
Height above aerodrome (1,407 ft)
Pressure Alt
1,385 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 2,683 ft
ISA Deviation: +10.8°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF CYYZ 040540Z 0406/0512 VRB03KT P6SM FEW060 SCT100 BKN180 TEMPO 0406/0408 5SM -SHRA VCTS BR SCT040CB BKN060 OVC100 FM040800 32005KT P6SM BKN060 OVC100 FM041400 32008KT P6SM -SHRA BKN020 OVC060 BECMG 0414/0416 16008KT FM041800 16008KT P6SM -SHRA BKN040 OVC060 TEMPO 0418/0424 5SM -SHRA VCTS BR SCT008 BKN015 OVC060CB FM050000 36008KT P6SM BKN040 OVC100 BECMG 0506/0508 04008KT RMK NXT FCST BY 040900Z
Upcoming Changes (Next 12 Hours)
06:56Z BASE
+0h
VFR VRB 3 kt
Visibility: >6SM
Ceiling: 18,000 ft
08:00Z FM040800
+2h
VFR 320° 5 kt
Visibility: >6SM
Ceiling: 6,000 ft
14:00Z FM041400
+8h
MVFR 320° 8 kt
Visibility: >6SM
Ceiling: 2,000 ft
Light Showers Rain
14:00Z BECMG
+8h
VFR 160° 8 kt

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
  • • Hover for exact values and timestamps
  • • Click legend items to toggle data series
  • • Zoom and pan for detailed analysis
  • • Units automatically converted to preferences
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
↑
DM4
No runway data available
🛫
Runway information not available for this airport

Dunby Manor Heliport - Airport Information

Airport Details

ICAO Code: CDM4
Type: heliport
Status: active
Elevation: 1,407 ft MSL

Location

City: Mono
Country: CA
Latitude: 44.005556°
Longitude: -80.057222°
Time Zone: Etc/GMT+5

Runway Information

Runway information not available

Flight Planning Tools

Crosswind
270°@4kt
Density Alt
1407ft, 23°C
Performance
Takeoff/Landing
Regions
Browse airports

Nearby Airports

CNC3 N/A
Brampton-Caledon Airport
17nm
31km
CYYZ VFR
Toronto Lester B. Pearson International Airport
27nm
50km
CYKF VFR
Region of Waterloo International Airport
36nm
66km
CYLS N/A
Barrie-Lake Simcoe Regional Airport
36nm
67km
CYTZ VFR
Billy Bishop Toronto City Centre Airport
37nm
68km
CYEE N/A
Huronia Airport
41nm
76km
VFR MVFR IFR LIFR No Data

About Dunby Manor Heliport

Dunby Manor Heliport (CDM4) is located in Mono, CA at an elevation of 1,407 feet MSL.

Airport Overview

Dunby Manor Heliport serves Mono in CA.

Flight Planning

For current NOTAMs and operational information, consult the local aviation authority publications. Weather data including METAR and TAF reports are typically available from nearby reporting stations if not directly from this airport. Before flight, verify current conditions through official channels and check appropriate aeronautical charts for the latest aeronautical information.

Weather Information

When METAR observations are not available directly from CDM4, pilots can reference weather from nearby airports shown above. Consider distance and terrain differences when using alternate weather sources. For official flight planning, always use approved weather briefing services.

Data Sources: Airport data from OurAirports.com. Pilots should always verify current conditions through official channels before flight.

Learn More

Recommended guides based on current conditions at CDM4

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
How to Read TAF Forecasts
Interpret terminal aerodrome forecasts
taf
Coastal Weather Patterns
Sea breeze, marine layers, and coastal fog
fog
Visibility Restrictions
Causes and pilot decision-making
fog
Night Weather Flying
Special considerations for night operations
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.