In Winter, we usually get a temperture inversion over the Rio Grande Valley. Cold upper level air traps warm air trying to rise up. So the smoke from all the fires folks are using to keep warm, will settle low over the horizon.






In Winter, we usually get a temperture inversion over the Rio Grande Valley. Cold upper level air traps warm air trying to rise up. So the smoke from all the fires folks are using to keep warm, will settle low over the horizon.