NBC News August 23, 2022Īnother dramatic flash flood played out across a starkly different setting on August 6 in Death Valley, California. Residents said they were raised, fed and clothed by the jobs created by coal mining, but they believed the companies operating the mines have acted irresponsibly and without regard for those who have called the area home for generations. The widespread damage from the Kentucky floods, which ripped through historic downtowns and rural homes alike, is still being assessed. flash flood unrelated to a tropical cyclone since the late 20th century.
At least 39 deaths were reported, which appears to be the largest toll from a U.S. Louis – this time in a rugged, mountainous landscape – led to devastating floods in late July.
Louis area.įar more destruction occurred in eastern Kentucky, when torrential rains along the same stationary front that affected St. In both cases, these were urban flash floods that hit highways and motorists the hardest, without causing catastrophic structural flooding despite the magnitude of the quick-hitting rains. As with DFW, the heaviest rains across an entire region happened to be focused in and near a major metro area. Much like the DFW event, training storms shifted from west to east along a weak stationary front, with impulses of energy from an upper-level trough to the north and rich moisture flowing in from the south. The city smashed its rainfall records for any 24-hour period (9.07″, far outpacing the old record of 7.02″) and for spans of one, two, and three calendar days. The recent event most akin to the DFW gully-washer was the record rainfall in St. The string of exceptional rains and inundations in the United States this summer has gained notice from the UK-based Guardian, which dubbed 2022 “America’s summer of floods.” HEv4fC6sGe- Tomer Burg Aug2022 a ‘summer of floods‘ Over a foot of rain fell so far in the eastern side of Dallas, TX – mostly since last night – causing extensive flooding. Southern Oklahoma into much of Texas are currently in an extreme drought, so rain would typically be welcome… but there can be too much of a good thing. Although immediate runoff and flash flooding can be accentuated over drought-parched land, the most intense rains in this case appeared to be localized enough to limit any broader river flood threat across the thirsty landscape. Through August 9, DFW Airport had had no measurable rain for 67 days - the second longest dry spell in 126 years of record keeping for the urban area. The Trinity River at downtown Dallas spiked to moderate flood levels by Monday night, but higher crests have been observed many other times, including as recently as 2018. However, the waters receded quickly in most areas as the rains shifted south and east. Major flash flooding was reported throughout the DFW area on Monday morning, with countless cars disabled and nearly 200 water rescues in Dallas alone. At least two CoCoRaHS stations, which typically report once each morning, recorded more than a foot of rain for the entire event, including 12.42″ near Mesquite and 12.31″ just northeast of downtown Dallas.ġ-minute Mesoscale Sector #GOES16/ #GOESeast Visible/Infrared Sandwich RGB images (with plots of 1-hour precipitation) showed thunderstorms that were producing flash flooding across the Dallas/Fort Worth area: #TXwx #DFWwx /u3O0EXVtS1- Scott Bachmeier August 22, 2022 The highest reported as of Monday night was 15.16″ at a gauge within the Dallas Area Flood Alert System located at White Rock Creek and Scyene Road. Two other local airports notched similar totals from Sunday to Monday, according to Matt Moreland (National Weather Service/Southern Region Headquarters):Įven heavier totals were observed just east and south of downtown Dallas, on par with amounts one might expect in such a short period only about once every 1,000 years. Official recordkeeping for the DFW area began in 1898. Monday was the second heaviest on record for any 24-hour span, topped only by 9.57″ on September 4-5, 1932.īy itself, Monday was the metro area’s wettest day ever recorded in August, with 5.66″ swamping the 4.28″ observed on August 28, 1946. You should ***AVOID THE AREA*** #CBS11wx #FirstAlertDFW /lTxxNMWCvm- Alexis Wainwright August 22, 2022Īt Dallas-Fort Worth International Airport, the metro area’s main climate observing site, the total of 9.19 inches from 3 p.m. 635/LBJ has high water now, it’s turned into a river through #Mesquite due to rising flood water near Spur 352.
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