Subj : MESO: Mesoscale Discussion 2103 To : wx-storm@lists.illinois.edu From : COD Weather Processor Date : Thu Sep 07 2023 23:57:43 ACUS11 KWNS 072357 SWOMCD SPC MCD 072357=20 NEZ000-SDZ000-080200- Mesoscale Discussion 2103 NWS Storm Prediction Center Norman OK 0657 PM CDT Thu Sep 07 2023 Areas affected...north-central NE Concerning...Severe potential...Watch unlikely=20 Valid 072357Z - 080200Z Probability of Watch Issuance...20 percent SUMMARY...Some severe gusts and a few hail reports are possible this evening across parts of north-central Nebraska. A watch is not anticipated. DISCUSSION...A cluster of storms has been ongoing across southern South Dakota, moving into northern Nebraska, and additional storms are developing along a warm front across the region near an upper-level shortwave trough. South of the boundary, temperatures are in the mid-80s to near 90F with dewpoints in the low 50s, and per short-term RAP profiles, inverted-V low-level thermodynamic profiles are common across central Nebraska. Additionally, mid-level flow from the trough is producing effective bulk shear of 40 kts with straight hodographs. Given the low-level thermodynamic profiles, some severe gusts are possible, and a few hail reports are possible with the deep-layer shear. The limiting factor is buoyancy, with 500-1000 J/kg MLCAPE, and for this reason a watch is not anticipated. With support from the upper-level trough, storms are expected to sustain past sunset, moving to the east and southeast. ...Supinie/Thompson.. 09/07/2023 ....Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fj= g!6b-eGIVT4_ZqM0un4DrROZCxkYYifcOmrvj5UAKzIcU352s5u20PC_NI9HJ6EZANKLZE_0ZEW= K1jqIpXW1a3mI9qupQ$ for graphic product... ATTN...WFO...OAX...GID...LBF...UNR... LAT...LON 42980180 43030082 42979959 42829881 42139816 41589808 41329822 41039847 40879906 41070028 41380106 42160181 42690213 42980180=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) .