MD 0757 CONCERNING TORNADO WATCH 207… FOR NORTHEASTERN COLORADO…INTO SOUTHWEST NEBRASKA AND WESTERN KANSAS
Mesoscale Discussion 0757
NWS Storm Prediction Center Norman OK
0545 PM CDT Wed May 10 2023
Areas affected...northeastern Colorado...into Southwest Nebraska and
western kansas
Concerning...Tornado Watch 207...
Valid 102245Z - 110015Z
The severe weather threat for Tornado Watch 207 continues.
SUMMARY...Scattered supercells ongoing along the Front Range and
into western KS/NE will continue to pose a risk for large hail
through this evening. A couple of tornadoes will also remain
possible as low-level shear increases this evening.
DISCUSSION...As of 2235 regional radar imagery showed scattered
severe storms including several supercells ongoing near the Denver
Metro and farther east into western KS/NE. Within the upslope flow
regime, 1000-1500 J/kg of MLCAPE and 35-40 kt of southerly effective
shear should continue to support supercells through this evening.
Cool mid-level temps and steep mid-level lapse rates around 8 C/km
will be favorable for large hail, and accumulating hail, with the
ongoing storms. The greatest risk for large hail appears to be
concentrated in portions of northeastern CO over the next couple of
hours. The tornado threat is less certain, but as low-level
hodographs enlarge this evening, 0-1km SRH around 200 m2/s2 may
support low-level updraft rotation given the supercell storm mode.
..Lyons.. 05/10/2023
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...GID...LBF...GLD...PUB...BOU...
LAT...LON 39260506 40230491 40660440 40960070 40820008 40459986
40029980 39609985 39330018 39030090 38680256 38650309
38640388 38630441 38720503 39260506
