12/25/2023 0 Comments Advection fog locations![]() ![]() Meteorologists earlier said “ super fog” had heavily impacted the area, just west of New Orleans, around the time of the pileups. The intense fire and extensive wreckage led troopers to believe there were a total of eight victims, but the ongoing investigation determined “there are no additional or unknown victims of this tragic incident other than seven identified victims,” state police said. It has been determined that the incident tragically claimed the lives of seven victims rather than the initially reported eight victims,” Louisiana State Police said in a Facebook post Friday. “As the investigation into the multi-vehicle crash on I-55 progresses, Troopers and forensic examiners have made significant advancements. And many victims sought medical help on their own. More than 25 of those were taken to hospitals with injuries ranging from minor to critical, the agency said previously. John the Baptist Parish that involved at least 160 vehicles this week has been reduced to seven people after officials initially reported eight deaths, state police said, citing forensic evidence.Īt least 63 people were injured in the crashes, the Louisiana State Police said in a news release Tuesday. Each of these areas reports more than 200 foggy days every year.The death toll following a slew of crashes Monday along Interstate 55 in Louisiana’s St. Other very foggy areas include Argentina, Labrador and Point Reyes, California. Here, the cold Labrador Current from the north meets the warm Gulf Stream from the south, creating the perfect conditions for fog. The foggiest place in the world is the Grand Banks off the coast of Newfoundland in Canada. This makes driving in fog particularly dangerous. When fog is very thick and near the ground, it can reduce visibility to only a few feet. While it can be neat - and sometimes a bit creepy - to see fog, it can also be dangerous. Because the air can only hold so much water vapor, adding extra water vapor from evaporation, such as from a lake in the hot sun, can cause the air to reach the dew point and form fog. As elevation increases, the mountain cools the air quickly, causing condensation and fog.Įvaporation fog occurs when extra water vapor comes into contact with air that is already heavily saturated. Upslope fog occurs when warm air passes over the upward slope of a cool mountain. The land cools the warm air below the dew point, and fog forms. This happens often along coastlines, for example, when warm ocean breezes blow in over cooler land. If the temperature of the air sinks below its dew point, water vapor will condense around dust in the air to form fog.Īdvection fog occurs when warm air moves in over a cooler land surface. Radiation fog occurs when the ground radiates heat outward while the air above the ground begins to cool after the sun sets. As the air heats up again, fog will slowly disappear as the tiny water droplets once again return to a gas in the form of water vapor. We see those groups of tiny droplets as clouds or, when they're close to the ground, as fog. When this happens, water vapor in the air - a gas - is cooled enough for the gas to turn to a liquid in the form of tiny water droplets. When they do, we get fog.īasically, fog forms when warm air meets colder air. The same scientific processes that usually happen way up high in the atmosphere to create clouds can take place closer to the ground. So how does fog get down here close to Earth? Does a strong wind blow a cloud out of the sky down to the surface of the Earth? Not quite…įog actually forms close to the Earth where we see it. ![]() The next time you wake up in the morning to dense fog, you can say “It's cloudy outside!" instead of “It's foggy outside!" Why? Because fog is just a regular cloud that happens to be close to the ground rather than high up in the air. Where does fog come from? Would you believe us if we told you we don't have the foggiest idea? Probably not… we're in Wonderopolis, after all! ![]()
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