![]() ![]() Winds around the storm carry warm, moist air from over the ocean, inland. The south branch of the jet stream carries a disturbance from the Gulf Coast to the Carolina Coast where it intensifies into a storm. The southern branch dips down to the Gulf Coast states, then turns northeast across Virginia and rejoins the north branch near Newfoundland. It supports the southward sinking cold air. The north branch of the jet stream crosses over the northern Rockies and Canada. Some meteorologists refer to this as a "bomb".įor a good nor'easter to develop, the jet stream usually enters the West Coast of the US and splits. Combine the strong temperature contrast with other meteorological conditions such as the right position of the jet stream, and a storm's development can become "explosive" (a sudden, rapid intensification a dramatic drop in the central pressure of the storm). The contrast of the cold air sinking into the Carolinas and warm air off the Carolina Coast creates a breeding ground for storms. East of the arctic air lies the warm water of the Gulf Stream. It remains trapped on the east side funneling south over the coastal plain. The dense, cold air tries to move west over the Appalachian Mountains, but it can not. The high's arctic air mass spreads south into the Washington area. In order for a nor'easter to give Washington a large amount of snow, there must first be a source of cold air. They get their name from the powerful northeast winds they produce. So this will be an issue for the next few days,” he said.Washington's biggest winter storms are the great "Nor'easters". “There also is a high pressure that is over this area, which will not break down until next week. Another 69 structures have been damaged, and more than 15,000 structures remain at risk.Īnd more fires could be sparked in the Northern California area because there is a chance for isolated dry thunderstorms near the Dixie Fire, CNN meteorologist Robert Shackelford said. The Dixie Fire has destroyed 1,045 structures, including more than 550 homes and 140 commercial buildings. The fire’s containment Thursday stood at 31%, up by one percentage point from a day prior, according to the California Department of Forestry and Fire Protection, known as Cal Fire. The Dixie Fire –California’s second-largest in history– has charred more than half a million acres over the past month. The Pacific Northwest was again under heat warnings as temperatures rise up to 25 degrees above normal. The Richard Spring and Lame Deer fires exhibited intense activity, with winds gusting 25-35 mph and relative humidity of 15-25%, NIFC said Thursday.įire personnel had already been bracing for increased activity in the West due to the insufferable heat and severe drought conditions driven by climate change. Rowdy Alexander watches from atop his horse as a hillside burns on the Northern Cheyenne Indian Reservation near Lame Deer, Montana, on AugMatthew Brown/AP I have released one of the Montana Sheriff’s Mutual Aid Teams and the remaining two are going out to assist us with supply deliveries,” Rosebud County Sheriff Allen Fulton said Thursday in a Facebook post. The community has had a great response to the needs of the residents. “At this stage of the fire, we are turning our efforts towards supplying firefighters and displaced residents with supplies. ![]() Multiple evacuations sites have been set up to house those who are displaced. Fire crews used dozers and point-protection measures to protect the community, according to InciWeb. The fire is expected to merge with the smaller nearby Lame Deer Fire, which has burned 3,884 acres.Įvacuation orders were issued for the town of Lame Deer as officials warned the fire was bearing down on the small community of more than 2,000 people. The fire’s containment dropped to 0% Thursday, down from 15% the previous day. The fire has swelled to more than 166,000 acres, up from 149,453 a day prior, according to InciWeb, the US clearinghouse for fire information. Of growing concern is the Richard Spring Fire on Northern Cheyenne Indian Reservation in southeastern Montana. ![]()
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