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Mesoscale Discussion 0021
NWS Storm Prediction Center Norman OK
0730 PM CST Fri Jan 10 2020
Areas affected...northeast Texas/southeast Oklahoma into the
Arklatex and Ozarks...and much of Arkansas
Concerning...Tornado Watch 3...5...
Valid 110130Z - 110330Z
The severe weather threat for Tornado Watch 3, 5 continues.
SUMMARY...Severe weather risk continues, including potential for a
few tornadoes across WW 003 and 005.
DISCUSSION...Radar continues to show a nearly contiguous line of
convection near the advancing surface front, from central and
eastern Missouri south-southwestward to the lower Rio Grande Valley.
Within this band, occasional rotating updrafts continue to
periodically evolve and then diminish -- temporarily enhancing
severe risk as the spin-ups reach peak intensity. Meanwhile, broken
bands of pre-frontal storms continue -- from central Texas
north-northeast to west-central Arkansas. While this convection
continues struggling to organize overall, occasional rotating storms
evolve -- aided by favorably strong/veering flow with height
supportive of supercells.
Within both of these regimes (the near-frontal band of storms as
well as the warm-sector pre-frontal convection), severe risk
continues, including potential for a few tornadoes.
..Goss.. 01/11/2020
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...LSX...LZK...SGF...SHV...TSA...HGX...FWD...OUN...
LAT...LON 30779699 31099767 33009693 33929615 34249514 35079450
35849424 36859271 38019221 38029128 37209135 35969172
33109297 31839400 31079477 30779699
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