The Dust Bowl was a 10-year drought and heat wave that destroyed midwest crops in the 1930s. 0000001345 00000 n The Saharan dust cloud has now reached the Gulf of Mexico and the southern coastal areas of the USA. La Nina now gradually intensifies, on time for Winter 2020/2021, Week 23-2020 (June 1st – June 7th) Contest Winners, Temperatures in southern Spain are again near 40 °C, Tropical Storm Zeta forms in the Western Caribbean, the new model suggests it will head towards Yucatan landfall and then towards the United States, Deep snow and damaging freezing rain are forecast for the southern plains of the United States as the Arctic cold front brings winter weather, SWE Photography Contest week #40 of 2020 (Sept 28th – Oct 04th) Winners, A new Tropical Storm Zeta could be on the way for South Florida by Monday as the tropical activity is now again increased over the Western Caribbean, An exploding North Atlantic low will spread towards western Europe, the cold front will push into Ireland and the UK, Latest on US Arctic Outbreak: A record-breaking cold for many! 10 real Dust Waves spreading across the ground. We do have to add that these forecasts are not as reliable so far out into the future. Trump falsely claims wind energy "kills all the birds", Colorado wildfires show "climate change is here and now", Inside Gen Z's fight for climate change action, For many climate change finally hits home, Largest wildfire in Colorado history burns over 167,000 acres. Delivered in 2K Resolution. According to the federal government's 2018 National Climate Assessment, parts of the Ogallala Aquifer should be considered a nonrenewable resource. The Great Plains Dust Bowl of the 1930s was arguably the most devastating ecological disaster in American history, turning prairies into deserts and whipping up killer dust storms. The concentrations are slowly increasing as the dust cloud is moving inland, with the entire region having moderate pollution. Formats: 12-bit ProRes 4444 and OpenEXR (4K only) Render Passes: Shadow, Normal, Separate Light Passes, Motion Vectors, and Depth. It worsened the Great Depression and could happen again. The dust concentration of the second wave is forecast to be quite lower than the first one. As the dust storms became larger and more intense, children developed fatal "dust pneumonia" and business owners, already reeling from the Great Depression, were devastated, some driven to suicide and others forced to flee with their families in a mass exodus. To arrive at their conclusion, the researchers ran thousands of computer model simulations of the 1930s heat waves, but with atmospheric greenhouse gas concentrations at today's levels. This absence of sound land management led to a feedback loop, where the lack of vegetation and moist soils meant the land no longer had the ability to cool itself through evaporation. Alpha Channel included in all files. and mass of the dust particles, To is the electron (here set equal to the ion) temperature, and niO is the ion density. H�b```"V��� cc`a�H`P``�q��螆�6:�[�������EA/��̶/R�36^�{]����ED���C�-Ve�;����Iެs�w�D���\����u]Қs�"��'f�7� g,q��(8f��� ����_疟V�!�BV{�oW.��X���ԃ'1"�u��w�Ѧم�ק��ش�P��Yy*7͗,�xt��&��FA���� �Hw����e2[��BA�K(D��L��I� ��QH*,PRR2pP�5���@������� �P�P�p�a;�^���ǘ�a�à�`N�_f But given the rise in greenhouse gases over many decades, CBS News asked Cowan why we haven't already seen a return of Dust Bowl-like conditions in the Great Plains. H�tWْ۸}��#�j�n~�+�'���r\)��lE���|p��BQ�vuU�xp�s~X߽Y��l������O)"��\ʨ���p���X���麻{�G�v�.f������Mhҡ�QYX@s�y��2�q� 6��8N a�/��~��������K���[��F7O�b���m�C���>��3W"Q�2�G��7+��t%�^��'5�질�����z�9P�uQ1W. The Caribbean is mostly out of the main dust plume cloud, but a new dust wave is rapidly approaching from the east. The dust plume is expected to linger over the south and the southeast USA until Tuesday. Temperatures routinely topped 110 degrees Fahrenheit. Copyright © 2020 CBS Interactive Inc. All rights reserved. Wheat production fell by 36% and maize production plummeted by 48% during the 1930s.
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Jeff Berardelli is CBS News' meteorologist and climate specialist. But Cowan's work suggests that our luck will eventually run out, either when natural conditions and manmade climate change conspire to overwhelm the cooling influence of irrigation or when groundwater is sufficiently depleted. The first (current) Saharan dust cloud was also forecast as a low concentration event but is currently showing quite higher concentrations than the first forecasts. We couldn't see our hand in front of our face. And the study concludes that climate change may soon bring about the next one: "It is likely that the 1930s records will be broken in the near-future even if there is action to mitigate emissions.". On the negative side, the fine dust particles can significantly reduce air quality, degrade vision, cause eye irritation, and can also cause sinus and respiratory problems. Photo JPEG. Until the late 1800s the Great Plains were covered by endless acres of native grasslands, well attuned to the unique climate of the region. Well outputs in the central and southern parts of the aquifer are declining due to excessive pumping, and prolonged droughts have parched the area, bringing back Dust Bowl-style storms.

over the western United States, a low-pressure area is present. Anywhere. 0000000731 00000 n 0000001525 00000 n 0000048685 00000 n That had all changed by the turn of the 20th century, as a series of federal land acts enticed pioneers to move to the region and set up farms with the promise of free or cheap land. The NASA-GEOS5 forecast also shows the same area of the highest dust concentration. U.S. troops link rare cancers, other illnesses to remote base, Former felons in Florida cast their first ballots in early voting, VMI superintendent resigns amid racism investigation, Battleground Tracker: Latest polls, state of the race and more, 5 things to know about CBS News' 2020 Battleground Tracker, CBS News coverage of voting rights issues. Latest forecasts show a new dust cloud following behind early next week. What happens if the president doesn't accept the election results? © 2020 CBS Interactive Inc. All Rights Reserved. The dust cloud will finally start moving back out into the Atlantic on Monday, leaving Florida as the last state affected by the dust.

Election Day could turn into "Election Week" with rise in mail ballots, Warming climate could lead to another Dust Bowl. It will already move over the Caribbean on Tuesday, mixing with the first wave, which will already be moving out at the time. But with demand from a growing wheat and cattle market, farms quickly replaced deep-rooted grasslands, which normally helped to trap soil and moisture even during droughts. 20 large-scale dust waves. %PDF-1.3 %���� Strong rip currents spread towards the East Coast, La Nina watch: Exceptional cooling continues in the equatorial Pacific. 0000004292 00000 n A cow forages for food in dust-blown pastures on July 8, 1936, in Ford County, Kansas, where a month of rainless days and soaring temperatures, well above 100 degrees in many areas, ruined pasturage and crops. "Groundwater is used quite extensively across the U.S., and we know, from previous research, that increased irrigation and agricultural intensification has led to cooler summer maximum temperatures," he said. Below is an image from EPA, which shows the latest air quality observations. Cowan explains that the answers lie in the modern-day watering of crops. A recent study predicted that the U.S. would exhaust 94% of its wheat reserves in a four-year Dust Bowl-like event. This would lead to a 31% loss of global wheat stocks. When the Dust Bowl hit, day turned into night as biblical dust storms buried parts of roads and buildings, especially in parts of Kansas, Oklahoma and Texas. Saharan dust clouds also suppress tropical activity, which means a lesser risk for tropical storm development and landfall during its presence. In this March 29, 1937 photo, the desolation of the Dust Bowl is graphically illustrated by these rippling dunes banked against a fence, farm home, barn and windmill in Guymon, Oklahoma.

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