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Mesoscale Discussion 272 |
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Mesoscale Discussion 0272
NWS Storm Prediction Center Norman OK
0621 PM CDT Thu Mar 27 2025
Areas affected...northeastern Kansas and adjacent southern
Nebraska/northwestern Missouri
Concerning...Severe potential...Watch unlikely
Valid 272321Z - 280115Z
Probability of Watch Issuance...20 percent
SUMMARY...Thunderstorms are undergoing a period of intensification
which may persist at least through 8-9 PM CDT. An upscale growing
cluster accompanied by increasing potential for strong surface gusts
is possible, in addition to a continuing risk for severe hail.
DISCUSSION...Embedded within 20-30 kt west-southwesterly deep-layer
mean flow, initially high-based thunderstorm development is
undergoing intensification as it acquires more moist and potentially
unstable southeasterly inflow near/northwest through north of Salina
KS. Mid/upper 50s F surface dew points, along and north of the
Interstate 70 corridor into the Nebraska state border vicinity of
northeastern Kansas, appear to be contributing to mixed-layer CAPE
in excess of 2000 J/kg.
Although objective analysis and forecast soundings indicate the
continuing presence of mid-level inhibition, forcing along
convective outflow may maintain and perhaps support a further
increase in convection through the 00-02Z time frame. Coupled with
strengthening low-level warm advection, aided by an intensifying
low-level jet (30-50 kt around 850 mb), an upscale growing cluster
with increasing potential to produce strong surface gusts might not
be entirely out of the question into this evening.
..Kerr/Hart.. 03/27/2025
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...EAX...OAX...TOP...ICT...
LAT...LON 39589793 39969709 40009602 39569456 38699482 38629633
38609750 38859782 39589793
MOST PROBABLE PEAK WIND GUST...55-70 MPH
MOST PROBABLE PEAK HAIL SIZE...1.50-2.50 IN
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