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Mesoscale Discussion 0673
NWS Storm Prediction Center Norman OK
0540 PM CDT Fri May 22 2020
Areas affected...Carolinas
Concerning...Severe Thunderstorm Watch 203...204...
Valid 222240Z - 230015Z
The severe weather threat for Severe Thunderstorm Watch 203, 204
continues.
SUMMARY...Damagng wind gusts, and perhaps a tornado remain possible
across WW204. Severe weather potential is the highest over the next
couple of hours with a surging bow echo across south central North
Carolina.
DISCUSSION...Radar data shows a well developed bow echo moving
across portions of North and South Carolina. Downstream of the bow,
MLCAPE near 1000 J/kg should support storms capable of severe wind
gusts for a few more hours. Low-level shear remains weak with 0-1km
bulk shear less than 10 kts. However, occasional QLCS and bookend
circulations have been noted with the ongoing line, and a tornado
cannot be ruled out. An inland sea breeze front marks the westward
extent of a cooler and more stable boundary-layer across portions of
the coastal Carolinas. The severe weather threat is expected to
continue with storms through the interaction with the boundary, and
gradually diminish in intensity as they move farther east into the
more stable air.
..Lyons/Thompson.. 05/22/2020
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...MHX...RAH...ILM...CHS...CAE...
LAT...LON 35857784 35667750 35477730 35347720 35127716 34937724
34827740 34697758 34537777 34387796 34257824 34177846
34117863 34047886 33997899 33927910 33737935 33607965
33457996 33538028 33718047 33948042 34198030 34368016
34468003 34627983 34787971 35057967 35257967 35407973
35607959 35727911 35867851 35857784
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