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Mesoscale Discussion 911 |
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Mesoscale Discussion 0911
NWS Storm Prediction Center Norman OK
0538 PM CDT Tue May 20 2025
Areas affected...Parts of northern Mississippi
Concerning...Tornado Watch 303...
Valid 202238Z - 210015Z
The severe weather threat for Tornado Watch 303 continues.
SUMMARY...Several ongoing severe storms are moving into an
increasingly favorable environment for tornadoes across northern
Mississippi.
DISCUSSION...A couple semi-discrete supercells are tracking eastward
across parts of northwest/west-central MS. Ahead of these storms, a
35-kt low-level jet (sampled by area VWPs) is contributing to ample
low-level clockwise hodograph curvature with around 200 m2/s2
effective SRH. Given warm/moist surface-based inflow and this
enhanced streamwise vorticity, the ongoing storms may intensify as
they continue eastward -- with an increasing tornado risk. Large
hail and locally damaging winds will also be a concern.
..Weinman.. 05/20/2025
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...MEG...JAN...
LAT...LON 33249113 34288996 34538945 34538915 34428884 34208873
33278969 33019032 33029069 33099102 33249113
MOST PROBABLE PEAK TORNADO INTENSITY...120-150 MPH
MOST PROBABLE PEAK WIND GUST...65-80 MPH
MOST PROBABLE PEAK HAIL SIZE...1.50-2.50 IN
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