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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