Temperature & Humidity Maps on meteoblue
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The Temperature & Humidity map category provides detailed insights into how air temperature, moisture, and evaporation interact in the atmosphere and on the surface. These layers are useful for weather forecasting, agriculture, aviation, and climate analysis.
1. Apparent Temperature
• The temperature you actually feel, based on:
o Heat index (temperature + humidity effect)
o Wind chill (cooling effect of wind)
• Exposure to sunlight can increase the heat index by up to +10°C.2. Freezing Level Height (0°C)
• Altitude (in metres) where air temperature reaches 0°C.
• Menu options: average, maximum, or hourly altitude.
• Rain-snow line is often ~300 m lower than freezing level, but varies with conditions.3. Surface Inversion
• Shows temperature change per 100 m from surface to 100 m altitude.
• Inversions occur when air near the surface is colder than the air above, often during clear, calm nights in autumn/winter.4. Temperature Change (Next 24h)
• Shows how much temperature will rise or fall in the next 24 hours.
• Positive = warming; Negative = cooling.5. Equivalent Potential Temperature (ThetaE)
• Temperature an air parcel would have if all moisture were condensed out and brought to 1000 hPa.
• Useful for identifying air masses and frontal boundaries.6. Wet-Bulb Potential Temperature
• Similar to ThetaE, but focuses on the temperature after cooling to the wet-bulb point and adjusting to 1000 hPa.
• Also used for air mass and frontal analysis.7. Dew Point Temperature
• Temperature at which air becomes saturated and condensation begins.
• Indicates potential for fog, dew, or frost.8. Vapor Pressure Deficit (VPD)
• Difference between actual moisture in the air and its maximum capacity.
• High VPD → plants lose water faster and may close stomata, limiting growth.9. Evapotranspiration
• Total water loss from soil, lakes, and plants.
• Measured in mm; assumes non-irrigated surfaces.10. FAO Evapotranspiration (ET₀)
• Reference evapotranspiration according to FAO standards.
• Calculated for a well-irrigated, fully vegetated surface.11. Potential Evapotranspiration
• Theoretical evaporation from a water surface under given conditions.12. Soil Moisture
• Mean moisture content (%) of the topsoil for a chosen depth (e.g., 0–10 cm).
• Useful for comparing regional soil water availability.13. Soil Temperature
• Mean temperature of the topsoil for a chosen depth (e.g., 0–10 cm).
• Useful for agricultural and ecological monitoring.
