Sep 16, 2020
Hurricane Sally makes landfall in Alabama as a Category 2 storm
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A slow-moving Hurricane Sally made landfall early Wednesday near Gulf Shores, Alabama, as a Category 2 storm packing winds of 105 mph, according to the National Hurricane Center, which warned of “life-threatening” flooding.
Forecasters warned of a coastal storm surge that will cause dangerous flooding from the Florida Panhandle to Mississippi and well inland in the next few days.
About 150,000 homes and businesses had lost electricity by early Wednesday as powerful winds pummel the area, according to the poweroutage.us site.
In Escambia County, Chief Sheriff’s Deputy Chip Simmons promised to keep his officers out with residents as long as physically possible. The county includes Pensacola in Florida, one of the largest cities on the Gulf Coast.
Pensacola police urged people to stay off the roads because hazardous debris “have become too numerous to list,” according to CNN.Jordan Spence and Dawson Stallworth watch waves come ashore as Hurricane Sally approaches in Orange Beach, Alabama.
REUTERSRivers Gleason plays in the wind and water coming up into Lakeshore Park from Lake Pontchartrain, as Hurricane Sally churns in the gulf.
REUTERSA father and son walk through the Hurricane Sally tidal surge in Ocean Springs, Miss.
APCity of Biloxi work crews take advantage of the slow moving Hurricane Sally's winds to clean off sand from U.S. Highway 90 in Biloxi, Miss.
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The National Weather Service office in Moblie, Alabama, warned residents to “hunker down.”
“This is a LIFE-THREATENING SITUATION. SEEK HIGHER GROUND NOW!!” the NWS Mobile office tweeted.
Alabama Gov. Kay Ivey warned on Twitter: “Hurricane Sally is nothing to take for granted. We’re looking at record flooding, perhaps breaking historic levels, and with rising water comes a greater risk for loss of life and loss of property.”
Florida Gov. Ron DeSantis said he has declared a state of emergency in 13 counties.
“Floridians in these counties should prepare for strong winds and severe flooding,” he warned on Twitter.
Rainfall of up 20 inches is expected across Mississippi, Alabama and the Florida Panhandle, with isolated amounts of 30 inches also possible.
Sally will weaken quickly and pick up speed as it tracks inland across Alabama and Georgia later Wednesday through Thursday, according to Weather.com.
With Post wiresFiled under alabama , extreme weather , florida , hurricanes , 9/16/20
News Source: New York Post
2 Years Ago, Scientists Warned Us Dead Trees Would Fuel Unpredictable Wildfires. Now Its Happening.
Smoke from the Creek Fire billows beyond a ridge as seen from Huntington Lake on Sept. 5, 2020, at Huntington Lake, Calif.Eric Paul Zamora/APFor indispensable reporting on the coronavirus crisis, the election, and more, subscribe to the Mother Jones Daily newsletter.
Nearly 150 million trees died in California between 2010 and 2018, officials estimated last year—one of the worst tree die-off events in state history. Its ramifications, experts predicted, would be sweeping, from a surge in carbon emissions to a loss in tourism dollars. At the time, researchers also issued another ominous warning: The dead tree material could fuel “mass fires” in the future.
Unfortunately, the past month has seen that last prediction already come true.
In a 2018 paper published in BioScience, a group led by researchers at UC-Berkeley predicted that the dead trees could serve as pockets of fuel for severe, unpredictable wildfires. “The scale of present tree mortality is so large that greater potential for ‘mass fire’ exists in the coming decades,” the authors wrote, “driven by the amount and continuity of dry, combustible, large woody material that could produce large, severe fires.”
“It was sort of like a warning: Hey, this could happen,” says Brandon Collins, a research scientist at Berkeley’s Center for Fire Research and Outreach and an author on the 2018 paper. But it wasn’t until this year that the Sierra Nevada’s Creek Fire “more or less demonstrated what we talked about in that paper.”
The currently 278,368-acre Creek Fire, between Yosemite National Park and Kings Canyon National Park, is just 27 percent contained as of Sunday evening and is expected to burn until mid-October.
Beyond its sprawling size—right now, it’s among the top 20 largest fires in state history—what makes the Creek Fire unique, Collins notes, is that its initial “explosive growth” of 160,000 acres in three days wasn’t so much driven by wind, which is typical with large California wildfires, but instead by the dead trees. As a result, the fire burned unusually hot in its center, not just at the edges. “For the first 36 hours, satellite imagery picking up heat showed the fire’s interior was just as hot as its edge,” Scott Stephens, the lead author on the 2018 paper, told USA Today. “It’s really unprecedented and so scary. All that energy is what caused the 35,000-foot cloud to form that created its own weather.”
The Creek Fire’s massive smoke plume was among the most stunning Collins says he had ever seen. “Given the high tree mortality that occurred in that area five to seven years ago,” he adds, “it’s highly likely that those dead trees were a strong contributor to the plume development and the resulting erratic fire behavior”—just as he and his colleagues had predicted.
Today I was flying from San Jose to Las Vegas on SWA & I looked out my window & I saw this cloud. I l found out that it is a cumulonimbus flammagenitus cloud aka pyrocumulonimbus cloud, a type of cloud that forms above a source of heat, such as a wildfire #CreekFire pic.twitter.com/HCqyWiHpNx
— Thalia Dockery (@SweetBrown_Shug) September 6, 2020
The massive tree death during those years was primarily due to the 2012-2015 drought and decades of forest mismanagement that resulted in severe overcrowding. But one other key factor was an extensive bark beetle infestation. With trees forced to compete for sunlight, water, and nutrients, all amid a drought, they were simply unable to fend off the beetles. Federal officials estimate that between 80 and 90 percent of the Creek Fire’s fuel source is “beetle kill timber.”
In some sense, Collins notes, a bark beetle infestation may seem like a good thing: If the forests are overcrowded, an explosion of bark beetles, one might think, could be a blessing. The issue is that the beetles, which munch on an inner, sugar-rich part of the tree trunk known as the phloem, tend to target bigger trees since “there’s a heck of a lot more phloem,” Collins says. “It’s way more efficient for them to attack and then feed on a large tree than it is for a smaller tree.” But big trees are also valuable to forest managers, as they tend to be more fire-resistant than small ones and are in short supply, at least in part because of historic timber harvesting. “We’ve cut out a lot of big trees constantly, for decades,” Collins explains. All this ultimately leaves forests less prepared to resist destructive wildfires—and the conditions may even help fuel them.
Cumulative tree mortality in California since the onset of the major tree die-off in 2014
US Forest Service
The good news is that the solutions to avoiding mass fires, like those Collins and his colleagues predicted, are pretty clear. He says a multi-pronged management approach should include thinning the forest—removing some smaller trees to allow other trees to grow bigger and stronger—and prescribed burns, which clear dead debris and can help prevent uncontrolled wildfires. (As my colleague Delilah Friedler noted last year, this is a practice that Indigenous people have been employing in California “for countless generations.”)
“We need more fire on the ground in many places,” says Chad Hoffman, an associate professor of wildland fire science at Colorado State University and another author on the 2018 study. “We have really solid scientific evidence both through modeling studies and empirical studies—real wildfires—that show that when we use active management, prescribed fire, we can create more resistant and resilient forests.”
Combating climate change, both Collins and Hoffman emphasize, is also crucial. A changing climate is “opening a window to a longer fire season,” Collins says, putting more pressure on firefighters, increasing the chances of a fire that crews can’t get to right away—causing it to spread quickly. “From a probability standpoint,” he says, “it just multiplies it out that way.”
With the extreme fires brought on by climate change, Hoffman says, “even our best management practices,” like controlled burns, may not be enough. He likens it to driving a race car: If you’re going at top speeds and crash, even the best safety features will fail. The same is true, he says, with tree protections: “They’re not effective under every condition for all scenarios. Climate change is definitely adding to this problem through that mechanism.”