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Mendoza, Argentina
MDZ (Mendoza, Argentina) sits at 32.83°S, 68.79°W, 2,310 ft elevation — coastal with the Andes nearby.
Major airport serving Mendoza, Argentina.
Computed from MDZ's geography and climate
The 2,310 ft elevation puts MDZ above most of the densest surface air, so initial climb is brisk but the airport itself sits inside any low-level turbulence patterns. The jet stream meanders across this latitude seasonally — MDZ sees its strongest CAT exposure in June–August, when the polar jet pushes equatorward and routes intersect it more often. December-onwards departures climb into cleaner upper-level flow. The Andes sit upwind of MDZ on prevailing flow days, generating mountain-wave turbulence that can extend several hundred kilometres downwind at cruise level. The lee-wave risk is highest when June–August winds at FL300 cross the Andes at near-perpendicular angles. Monsoon months pump moisture and instability into the local airmass — expect significantly more convective turbulence during the wet season at MDZ, with much smoother cruise during dry-season operations. MDZ's coastal position means departures often transit from the cool marine boundary layer into warmer continental air within minutes of takeoff — a brief but reliable bumpy transition on warm-season afternoons when the sea breeze is set up.
Standard Instrument Departures (SIDs) often route around terrain; on strong-wind days, low-level turbulence in the lee of the hills is common in the first few thousand feet.
Southern Hemisphere winter (June–August) is when the subtropical jet strengthens, and that's when long-haul CAT is most likely. Southern summer (December–February) is the main convective window. Mountain-wave activity near the Andes peaks in the cold season when upper-level winds blow hardest across the range.
Get a real-time turbulence forecast for any scheduled flight out of El Plumerillo Airport, with live wind, jet-stream analysis and pilot reports.
El Plumerillo Airport is best described as a mountain-wave sensitive airport. The 2,310 ft elevation puts MDZ above most of the densest surface air, so initial climb is brisk but the airport itself sits inside any low-level turbulence patterns. The jet stream meanders across this latitude seasonally — MDZ sees its strongest CAT exposure in June–August, when the polar jet pushes equatorward and routes intersect it more often. December-onwards departures climb into cleaner upper-level flow. The Andes sit upwind of MDZ on prevailing flow days, generating mountain-wave turbulence that can extend several hundred kilometres downwind at cruise level. The lee-wave risk is highest when June–August winds at FL300 cross the Andes at near-perpendicular angles. Monsoon months pump moisture and instability into the local airmass — expect significantly more convective turbulence during the wet season at MDZ, with much smoother cruise during dry-season operations. MDZ's coastal position means departures often transit from the cool marine boundary layer into warmer continental air within minutes of takeoff — a brief but reliable bumpy transition on warm-season afternoons when the sea breeze is set up.
Southern Hemisphere winter (June–August) is when the subtropical jet strengthens, and that's when long-haul CAT is most likely. Southern summer (December–February) is the main convective window. Mountain-wave activity near the Andes peaks in the cold season when upper-level winds blow hardest across the range. Peak turbulence window: Monsoon months (varies by hemisphere). Typically calmest: Dry season.
Yes — the Andes lie close enough to generate mountain-wave turbulence on days with strong upper-level winds. These waves can propagate hundreds of kilometres downwind, so they sometimes affect cruise even after you've left the immediate area.
We combine live NOAA Aviation Weather Center data (PIREPs, SIGMETs, AIRMETs) with physics-based Ellrod and Richardson-number calculations derived from Open-Meteo pressure-level wind and temperature data. If a source is unavailable for a waypoint we show an em dash rather than invent a number.
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