SPC MD 727
[html]MD 0727 CONCERNING SEVERE POTENTIAL...WATCH UNLIKELY FOR PORTIONS OF FAR SOUTHEAST COLORADO...FAR SOUTHWEST KANSAS...OKLAHOMA AND TEXAS PANHANDLES
Mesoscale Discussion 0727
NWS Storm Prediction Center Norman OK
0705 PM CDT Wed May 11 2022
Areas affected...portions of far southeast Colorado...far southwest
Kansas...Oklahoma and Texas Panhandles
Concerning...Severe potential...Watch unlikely
Valid 120005Z - 120200Z
Probability of Watch Issuance...20 percent
SUMMARY...A few instances of large hail/damaging gusts are possible
with the strongest sustained storms. The severe threat is expected
to remain relatively isolated and a WW issuance is not anticipated.
DISCUSSION...While overall convective coverage has decreased over
the past couple of hours, a couple longer-lived, left-moving
supercells have produced severe winds/hail (especially across the
far northwest Texas Panhandle). Areas ahead of a diffuse dryline
have already experienced peak surface heating amid weak upper
support, suggesting that an uptick in convective coverage will
remain unlikely. Until nocturnal cooling and boundary-layer
stability sets in though, modest buoyancy will remain in place ahead
of the ongoing storms given the presence of a deeply mixed boundary
layer overspread by 8 C/km mid-level lapse rates. The KAMA VAD
profiler depicts a relatively straight hodograph, indicative of
continued splitting cells with large hail potential (given the steep
mid-level lapse rates). As long as the boundary-layer remains
well-mixed (with 0-3 km lapse rates exceeding 9 C/km), efficient
downward momentum transport via evaporative cooling will support a
damaging gust with any storms that can mature. Still, the overall
severe threat should remain sparse and a WW issuance is not
expected.
..Squitieri.. 05/12/2022
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...DDC...GLD...LUB...AMA...PUB...
LAT...LON 34450270 37120242 39440178 39640099 39330060 38500066
37160118 35870155 34760197 34540238 34450270
Read more[/html]
Source: SPC MD 727 (http://ht**://www.spc.noaa.gov/products/md/md0727.html)