Subj : MESO: Mesoscale Discussion 0557 To : wx-storm@lists.illinois.edu From : COD Weather Processor Date : Wed Apr 19 2023 02:46:27 ACUS11 KWNS 190246 SWOMCD SPC MCD 190245=20 IAZ000-NEZ000-190545- Mesoscale Discussion 0557 NWS Storm Prediction Center Norman OK 0945 PM CDT Tue Apr 18 2023 Areas affected...eastern Nebraska into far western Iowa Concerning...Severe potential...Watch unlikely=20 Valid 190245Z - 190545Z Probability of Watch Issuance...20 percent SUMMARY...A cluster of storms may produce sporadic severe hail and/or wind gusts as it approaches the Missouri River. DISCUSSION...A batch of elevated storms continues to trek quickly east/northeastward into eastern NE, with indications of severe hail and convectively enhanced wind gusts. This activity is close to a warm front which will continue to provide lift as both the storms and boundary gain latitude.=20 While the surface air mass is not very unstable along and east of the warm front, strong winds just off the surface and up to 700 mb out of the south will maintain favorable storm relative inflow into these elevated cells. Given a somewhat organized and long-lived cluster, these storms are forecast to persist for a few more hours. Although cool in the low levels, the low-RH boundary layer may aid in evaporative cooling and downdraft potential, especially with cold, hail-laden downdrafts. ...Jewell/Edwards.. 04/19/2023 ....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!5B_yIWxFFE3a2OrP_7ZNIkiLXBhhQByUPWnqQni31trR0aQQnXQZzuftKYc08aj77ttupnlB8= 0gzSrQ0kQOcutXEByk$ for graphic product... ATTN...WFO...OAX...GID... LAT...LON 41509823 41999629 41879582 41479550 40989552 40739577 40369763 40519789 41039830 41509823=20 =3D =3D =3D To unsubscribe from WX-STORM and you already have a login, go to https://lists.illinois.edu and use the "Unsubscribe" link. Otherwise email Chris Novy at cnovy@cox.net and ask to be removed from WX-STORM. --- SBBSecho 3.14-Linux * Origin: capitolcityonline.net * Telnet/SSH:2022/HTTP (1:2320/105) .