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Mesoscale Discussion 790 |
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Mesoscale Discussion 0790
NWS Storm Prediction Center Norman OK
0157 PM CDT Thu May 15 2025
Areas affected...portions of central and northeast North Carolina
into far southeast Virginia
Concerning...Severe potential...Watch possible
Valid 151857Z - 152030Z
Probability of Watch Issuance...40 percent
SUMMARY...The severe threat may be increasing across portions of
central and northeast NC into far southeast VA. If storms can mature
and sustain themselves, severe wind/hail may occur. Convective
trends are being monitored for the need of a Severe Thunderstorm
Watch.
DISCUSSION...An agitated CU field is evident across portions of
central NC, where a heated/mixed boundary layer beneath the eastward
extent of an EML supports over 3000 J/kg MLCAPE. Strong
west-northwesterly mid-level flow is also beginning to overspread
the region, contributing to over 35 kts of effective bulk shear,
which should only increase further into the afternoon. Kinematic and
thermodynamic fields in place support multicells and supercells
should storms mature and become sustained, with severe hail/wind
being the main concerns. Questions remain how robust and widespread
convective coverage will become. As such, convective trends are
being monitored for greater storm coverage and the subsequent need
of a Severe Thunderstorm Watch.
..Squitieri/Mosier.. 05/15/2025
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...AKQ...MHX...RAH...
LAT...LON 35477604 35247656 35177711 35217754 35517841 35797908
35987923 36247888 36607796 36907730 36767636 36167587
35477604
MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 95 MPH
MOST PROBABLE PEAK WIND GUST...55-70 MPH
MOST PROBABLE PEAK HAIL SIZE...1.50-2.50 IN
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