Data are from USDA-NASS Maps and are shared by Brad Rippey from USDA-Office of the Chief Economist World Agricultural Outlook Board. (Courtesy of Amy Haskins), Flattened corn at sunset near Adel, Iowa. Powerful derecho leaves path of devastation across Midwest . Each line represents 30 minutes of time from left to right and goes from 7am at the top of the image to 7pm at the bottom of the image. Derechos develop in an environment with very warm and moist air at the surface, colder air aloft, and moderate to strong winds at upper levels of the atmosphere. This drop in Iowa is a result of both the ongoing drought and the derecho. (Courtesy of Dallas County Emergency Manager AJ Seely), Big tree on a house in Tama County (Courtesy of Darrell Ross), West side of Ames, Iowa. Questions? (Courtesy of Kip Ladage), Elk Horn, Iowa. The main threat with derechos is the damaging straight-line winds (the name itself means "direct" or "straight-ahead" in Spanish). As of October 2020, it is the most costly thunderstorm in US history. Courtesy of the. How Winter Fashion Has Changed in 100 Years (PHOTOS), Eerie Vintage Photos of People Battling the Flu. Fire Weather Powerful derecho leaves path of devastation across Midwest. Courtesy, USDA major/minor corn areas with NWS storm reports overlaid shows the derecho swept through major corn producing areas of Iowa, Illinois and Indiana on August 10, 2020. NOAA. Posted: Aug 10, 2020 / 03:57 PM CDT / Updated: Aug 11, 2020 / 05:42 AM CDT. Just over three dozen locations had wind gusts over 74 mph, mostly in Iowa and northern Illinois. Sorry, the location you searched for was not found. Office Tours Courtesy of the, One minute wind observations at the Des Moines International Airport (KDSM) on August 10, 2020 in the late morning showing a wind gust of 75 mph with wind gusts over 50 mph for over 20 minutes. Marshall County. 759k in #Illinois A tree fell across vehicles at a home in West Des Moines, Iowa, after a severe thunderstorm moved across Iowa on Monday Aug. 10, 2020, downing trees, power lines and damaging … Filed Under: Iowa, Wisconsin News. A derecho is a widespread wind damage event caused by severe thunderstorms, and this one got its start in southeast South Dakota and eastern Nebraska during the morning. August 11, 2020 at 7:25 am. Deadly derecho leaves path of destruction across Midwest, 800,000 without power A derecho – a dangerous, ferocious wall of wind that's like an … Severe Weather DSS 585k in #Iowa Published: August 10, 2020, 12:33 pm Updated: August 11, 2020… Hurricanes on the other hand, Derechos can occur over land and/or water and maintain their intensity. Des Moines, IA9607 NW Beaver DriveJohnston, IA 50131-1908515-270-2614Comments? Des Moines city crews remove a tree fallen on Hickman Road, on Monday, Aug. 10, 2020, in Des Moines, Iowa after a storm with gusts more than 80 mph blew through the city. Tornado #4 - SE of Gladbrook The tornado impacted no damage indicators, hence the EFU rating. The National Weather Service's (NWS) Storm Prediction Center (SPC) said Tuesday morning that the "intense derecho" traveled from southeast South Dakota all the way to Ohio, a … Source: https://t.co/8cAFt3zGJe pic.twitter.com/KUv6ZaZ7TD, Photos from around central Iowa show the damage and devastation from the August 10, 2020 derecho Path was also overflown by UAS confirming convegent path of debris. Marshall County. The event has often been compared to an inland hurricane or hurricanes in general. Additional photos/videos on this Twitter Moment. Use up and down arrows to change selection. Hourly radar images of the derecho's progression across the region. All NOAA. Image courtesy of the. A derecho raced eastward across the Midwest on Monday, Aug. 10, 2020, where it caused widespread damage to trees, structures and knocked out power to more than one million. by: Associated Press. From there, the destructive thunderstorms spread through Iowa, northern and central Illinois, southern Wisconsin, southwest Michigan, Indiana and northwest Ohio. Gustavus Hinrichs, 1888: Tornadoes and Derechos, American Meteorological Journal, pp. Much of this severe wind was significant (75+ mph winds) resulting in many downed trees, several toppled-over semi-trucks, cornfields, and many communities receiving at least some minor … (Courtesy of Lindsay Cramer), Rockwell City, Iowa. derecho 2020 path. Des Moines city crews remove a tree fallen on Hickman Road, on Monday, Aug. 10, 2020, in Des Moines, Iowa after a storm with gusts more than 80 mph blew through the city. Multi-Radar Multi-Sensor animation of the derecho's path through Iowa from 4am to 4pm on August 10, 2020. Take control of your data. (Courtesy of Kip Ladage), Flattened corn in Tama County. Click on the link(s) below the image for additional details from the Storm Prediction Center's summary, an event webpage, and/or a journal article. “I don’t think anybody expected widespread winds … Deep layer moisture convergence at 16 UTC (11 a.m CT). Social Media. Which City Is the Worst for Fall Allergies This Year? 9 Ways to Tell the Difference. NWS Quad Cities  |  NWS Chicago  |  NWS Milwaukee, NWS Central Illinois  |  NWS Northern Indiana  |  NWS Indianapolis, Wind Gusts Greater than 70 mph in NWS Des Moines' area of responsibility, Wind damaged grain bin in Tama County. (Source: Kelsey Kremer/The Des Moines Register via AP/The Des Moines Register) By Associated Press and RYAN J. FOLEY and SETH BORENSTEIN | August 10, 2020 … Gensini said this derecho will go down as one of the strongest ones in recent history and be one of the worst weather events of 2020 for the nation. Some minor damage to housing structures as well, but mostly superficial. This map combines both NWS Des Moines and NWS Quad Cities service areas. A listing of past derechos that have impacted at least some portion of Iowa since mainly 1980. “It ramped up pretty quick” around 7 a.m. central time in Eastern Nebraska. August 15, 2020 National Headlines Leave a comment. Monday’s long lived, straight-lined windstorm barreled across the Midwest with the velocity of a hurricane. Posted: Aug 10, 2020 / 09:18 PM EDT / Updated: Aug 10, 2020 … River Summary, PAST WEATHER Video from Boone, Iowa. The derecho that ripped through the Midwest left field after field of damaged corn crops in Iowa, and photos and satellite images have revealed the extent of the destruction. Courtesy of Kelli Fineran. Preliminary map above shows the estimated wind speeds of the August 10, 2020 derecho across the region as of August 21, 2020. Widespread, destructive straight line winds blew across central Iowa during the day on August 10, 2020. Share. Road Conditions Powerful Derecho Leaves Path of Devastation Across Midwest. #Drecho Storm Summary. The IGS' Jason Vogelgesang says, "You can see the waveform responding to the immense wind, beginning at 10:26am & fading back to normal background conditions at 12:08pm". NWS Quad Cities' Observed Sounding at 1200 UTC (7 a.m. CT) the morning of the derecho. Courtesy of Chad Spore. This story does not necessarily represent the position of our parent company, IBM. Tornadoes can also be embedded within derechos and produce concentrated areas of even more intense damage. Courtesy of Jared Flater. Please try another search. A derecho is a widespread, intense and long-lived wind storm. Ryan J. Foley And Seth Borenstein. The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories: SPC Event Review Webpage for August 10, 2020. No damage indicators were impacted, hence the EFU designation. Video from Kiron, Iowa. (Courtesy of Lisa Schmitz), Flattened corn near Bouton, Iowa. While this does help people relate to the type of wind damage seen in this event, this is where the comparisons between derechos and hurricanes end. Democratic Republic of the Congo | Français, State of Vatican City (Holy See) | Italiano, A derecho is a widespread wind damage event. Iowa Derecho Storm Maps & Damage Huge storms produced widespread hurricane-like severe wind damage across Iowa, northern Illinois, and northern Indiana during the day on Monday, August 10. Storm Spotting, OFFICE ACTIVITIES 283k in #Indiana In total, the derecho produced 20 confirmed tornadoes across Illinois, Wisconsin, and Indiana. Support WHO’s work to track the spread; to ensure patients get care and frontline workers get supplies; and to accelerate efforts to develop vaccines, tests, and treatments. (Courtesy of Kip Ladage), Hog confinement building demolished in Tama County. (Courtesy of Randy VanEvery), Huxley, Iowa. Brief QLCS tornado on leading edge of convection. (Courtesy of Hamilton County Emergency Management), Farm House Museum. Additionally, wind gusts along its path must exceed 58 mph with at least several reports of gusts over 75 mph, according to the Storm Prediction Center (SPC). Courtesy of Kip Ladage, Corn damaged near Adel. by Ryan J. Foley And Seth Borenstein, The Associated Press. NASA/NOAA Suomi Visible Infrared Imaging Radiometer Suite (VIIRS) Day/Night Band showing the nighttime lights in Iowa. A derecho (pronounced duh-REY-cho) produces a swath of particularly damaging thunderstorm winds (specifically, wind gusts of at least 58 mph along most of its length with several well-separated 75 mph or greater gusts) over an area at least 250 miles long. This is a collaborative effort between weather forecast offices Des Moines, IA Sioux Falls, SD Omaha, NE, Quad Cities, IA/IL, La Crosse, WI, Milwaukee, WI, Chicago, IL, central Illinois, IL, northern Indiana, IN, Indianapolis, IN, northern Indiana, IN, and Grand Rapids, MI. Experimental Graphical Hazardous Weather Outlook, USDA Weekly Weather and Crop Bulletin - August 18, 2020, Derecho Flattens Iowa Corn - NASA Earth Observatory, 10 August 2020 Derecho - Satellite Liaison Blog - Bill Line, NESDIS/STAR, Interactive Map - Storm Prediction Center, Iowa Environmental Mesonet Local Storm Reports Map, Iowa Environmental Mesonet - Derecho Peak Wind Gusts, July 4-5, 1980 Derecho - "The 'More Trees Down' Derecho, July 19, 1983 Derecho - "The I-94 Derecho", July 28-29, 1986 Derecho - "The Supercell Transition Derecho", July 7-8, 1991 Derecho - "The Southern Great Lakes Derecho of 1991", May 30-31, 1998 Derecho - "The Southern Great Lakes Derecho of 1998", June 29, 1998 Central Iowa Tornado/Derecho Event - WFO Des Moines Summary, July 11, 2011 - "The Cross Country Derecho of July 2011", July 11, 2011 East Central Iowa Derecho - WFO Des Moines Event Summary Webpage, June 30, 2014 - "The One-Two Punch Derechos", June 30, 2014 Severe Weather Outbreak - WFO Des Moines Event Summary Webpage, August 10, 2020 Derecho - WFO Des Moines Event Summary Webpage, National Oceanic and Atmospheric Administration, Preliminary map of the estimated winds across central to eastern Iowa. Video from Dysart, Iowa. NOAA The 770 mile path of Monday, August, 10, derecho across the Midwest. Toggle between August 2, 16, and 23, 2020 showing a drop in the USDA Good to Excellent Soybean Condition in Iowa. We recognize our responsibility to use data and technology for good. Winter DSS Here are a few of the key distinctions between derechos and hurricanes. Powerful derecho leaves path of devastation across Midwest A rare wind storm with power similar to an inland hurricane swept across the Midwest, blowing over trees, flipping vehicles, causing widespread property damage and leaving tens of thousands of homes without power By RYAN J. FOLEY and SETH BORENSTEIN Associated Press Climate Plots Despite facing a dry July, many farmers in Iowa were expecting a good harvest in the fall. Tornado #2 - NE of Minerva Tama County. Derecho composite parameter attempts to identify areas that may become cold pool dominant for wind events. Theta-e differences greater than 30C are shown and even 35C later in the event indicate potential strength of the cold pool. Acres in Derecho Path. Multiple locations in Iowa clocked wind gusts of 90 mph or greater, including a gust to 112 mph in Midway. 3-hour Surface Based CAPE change clearly shows the amount of energy the derecho used as it moved eastward across Iowa into Illinois. Use escape to clear. Facebook; Twitter; LinkedIn ; Pinterest; OMAHA (DTN) — Mazon, Illinois, farmer Paul Jeschke already faces a harvest challenge this year when the Illinois River closes to transportation. Tornado initially found from high resolution satellite imagery and confirmed via UAS overflight. (Courtesy of AJ Seely, Dallas County Emergency Managment). A John Deere tractor sits under a collapsed building after a derecho on Monday, August 10, 2020, near Franklin Grove, Illinois. Hydrology DSS Powerful derecho leaves path of devastation across Midwest . IOWA CITY, Iowa (AP) — A … In fact this could be the first in recorded history to form west of the Rockies and cross the Continental Divide. Published: Aug. 10, 2020 at 5:46 PM … Image courtesy NWS Storm Prediction Center (, Power outages caused as the derecho moved through Iowa into Indiana on August 10, 2020. July 8-9, 1993 Derecho - "The Great Plains Derecho", August 10, 2020 - "The August 2020 Midwest Derecho". Courtesy of Jake Randolph. In its October 2020 review, NOAA updated its database of billion-dollar disasters to include this event (along with other disasters from the summer season) with preliminary estimated damages averaging 7.5 billion dollars (±2.8 billion dollars at 90 percent confidence). NASA TERRA satellite MODIS imagery toggle between July 28, 2020 and August 11, 2020 showing the approximate damage to cropland (outlined) from the derecho that moved across Iowa on August 10, 2020. 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