6/9/2023 0 Comments Echos or echoesThe woman claims that she's been in the house for an hour, which means she couldn't possibly have been at the reading too. Upon arriving home, Charlie sees a woman in the same black dress waiting for him, and he struggles to figure out which twin this could be. A familiar-looking woman dressed in black questions Charlie about the sister who supposedly killed herself, and he confirms that it was Gina. In one last scene, Gina's ex-husband Charlie is out working on a promotional tour for his new book about the twins. Leni doesn't know this person though, they've never met – so it's safe to assume that this stranger actually saw Gina, who's now alive and hiding somewhere with a new identity. Now under suspicion of murder, Leni hightails it away to Australia, but during her escape, she meets someone who says they spotted her just recently. But is she really dead? Gina's body is never recovered, because of course it isn't.Įchoes season 2: Everything you need to know However, Gina reveals that their dad actually did this upon their mother's request, because she was already dying from a terminal illness and wanted to go out on her own terms.Īs if that wasn't dramatic enough, Gina jumps to her death from a waterfall. ![]() ![]() During all this, Leni says she was traumatised from watching their father kill their mother when they were younger. It's not long before the pair end up fighting on a cliff edge, because that's where fights always happen in these kinds of shows. It turns out that Gina was trying to escape Leni's control, but are either of them really "good" people?Īll of this juicy drama comes to a head in the final episode when Gina and Leni escape their childhood home which burns down with their dad inside. If the bow echo (or series of bow echoes) progresses more than 250 miles (400 kilometers) with widespread wind gusts 58 mph (93 km/h) or greater, then the bow echo is classified as a derecho.For most of the series, we're led to believe that Leni was the missing twin, but towards the end, we discover that it was actually Gina pretending to be Leni. All along the leading edge of the bow echo, thunderstorms may be producing downbursts and microbursts.Ībout one half (46%) of bow echoes begin as unorganized thunderstorms, 30% form from squall lines, and about one-quarter (24%) come from supercell thunderstorms. At this point, there is a pronounced bow in the storm(s), as seen by Doppler radar, and an area of moderate to occasionally heavy rain near the center of the cold pool well behind the gust front.Īs long as there are new thunderstorm cells forming on the gust front as it advances, replacing the older dissipating cells, the cold pool and rear inflow air will continue. The additional rain reinforces the cold pool and strengthens the rear inflow of air, with the thunderstorm complex reaching a semi-steady state condition. The bowing of the gust front forces more warm moist air up, creating new thunderstorm cells, and the process repeats. Tilting the updraft allows the cumulonimbus cloud to expand further, increasing the aerial coverage of rain which, in turn, further adds to the cold pool of air under the thunderstorm and thereby strengthens the gust front, causing it to bow out. This causes the updraft to tilt toward the trailing edge. As this new cell matures, the rain it produces reinforces the "pool" of rain-cooled air, allowing the gust front to maintain its strength.Īs the cold pool increases in size, it induces an inflow of air (orange arrow at right) on the trailing side of the thunderstorm complex. The boundary between the rain-cooled air and warm-moist air is called the gust front.Īir forced up by the gust front begins the next new thunderstorm cell formation. The cooler, more dense air hugs the surface as it spreads, forcing lighter warm-moist air up into the atmosphere. This downdraft marks the dissipation stage of that particular thunderstorm cell. As the rain-cooled downdraft reaches the Earth's surface, it spreads horizontally. A derecho comes from a long-lived bow echo or a series of bow echoes.īow echoes usually arise from a cluster of storms, but may also begin from just a single supercell thunderstorm. ![]() ![]() The term "bow echo" is based on how bands of rain showers or thunderstorms "bow out" when the storm's strong winds reach the surface and spread horizontally. Tsunami Preparedness and Mitigation: Individuals (You!)ĭerechos typically are associated with bands of showers or thunderstorms that assume a curved or bowed shape.Preparedness and Mitigation: Communities.The Positive and Negative Side of Lightning.
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