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Mesoscale Discussion 270 |
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Mesoscale Discussion 0270
NWS Storm Prediction Center Norman OK
0321 AM CDT Fri Mar 26 2021
Areas affected...Parts of the Georgia into South Carolina Piedmont
Concerning...Tornado Watch 56...
Valid 260821Z - 260915Z
The severe weather threat for Tornado Watch 56 continues.
SUMMARY...The risk of severe thunderstorms may finally be in the
process of diminishing. If current trends continue, the remaining
valid portion of Tornado Watch 56 may be cancelled early.
DISCUSSION...Latest VWP data supports Rapid Refresh model forecasts
indicating that low-level hodographs are in the process of shrinking
and becoming more linear, along a pre-frontal low-level confluence
zone focused near the 850 mb jet axis. Across the Georgia into
South Carolina Piedmont, speeds along this axis are beginning to
weaken, as the main short wave trough of influence continues into
the Great Lakes region. As this occurs, forcing for ascent along
this zone is also weakening, and convective intensities are
following suit. Severe weather potential across the Greater Atlanta
metro area appears to have diminished, and similar trends are
underway east-northeastward through the remainder of the watch area.
..Kerr.. 03/26/2021
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...CAE...GSP...FFC...
LAT...LON 34288303 34258233 33778271 33348411 32978510 33468500
34098370 34288303
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