Thermal Low

Science / Weather / Thermal Low: Also known as heat low, it is an area of low pressure due to the high temperatures caused by intensive heating at the surface. It tends to remain stationary over its source area, with weak cyclonic circulation. There are no fronts associated with it. An example is the low that develops over southwestern United States and northwestern Mexico during the summer months.

Other Words for Low

Low Adjective Synonyms: short, squat, little, small, stubby, stumpy, stunted, low-lying
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Mean Lower Low Water (MLLW)

Science / Tides and Currents / Mean Lower Low Water (MLLW): A tidal datum. The average of the lower low water height of each tidal day observed over the National Tidal Datum Epoch. For stations with shorter series, comparison of simultaneous observations with MORE

Mean Low Water Springs (MLWS)

Science / Tides and Currents / Mean Low Water Springs (MLWS): A tidal datum. Frequently abbreviated spring low water. The arithmetic mean of the low water heights occurring at the time of spring tides observed over the National Tidal Datum Epoch. It is usually d MORE

Mean Low Water Line (MLWL)

Science / Tides and Currents / Mean Low Water Line (MLWL): The line on a chart or map which represents the intersection of the land with the water surface at the elevation of mean low water. MORE

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