Storm Prediction Center Mesoscale Discussion 753
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Mesoscale Discussion 753 | |
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Mesoscale Discussion 0753 NWS Storm Prediction Center Norman OK 0105 PM CDT Fri May 09 2025 Areas affected...Southeast Virginia and northeast North Carolina Concerning...Severe potential...Watch unlikely Valid 091805Z - 092000Z Probability of Watch Issuance...20 percent SUMMARY...A few strong storms could produce marginally severe hail and locally gusty winds this afternoon across portions of southeast Virginia into adjacent northeast North Carolina. DISCUSSION...Deepening cumulus is noted in visible satellite imagery this afternoon in the vicinity of a surface cold front. Modest destabilization is occurring across the region, aided by steepening midlevel lapse rates as cooling aloft occurs with the eastward-meandering upper low/trough. While boundary layer moisture is modest (low 60s F dewpoints), MLCAPE to around 500-750 J/kg will likely overspread the region through early evening. Sufficient shear is in place for some updraft organization. Elongated hodographs and cold temperatures aloft suggest that stronger updrafts could support marginally severe hail. Furthermore, steepening low-level lapse rates could support locally strong gusts. Overall, modest instability and possibly lower storm coverage should temper the overall severe risk and a watch is not currently expected. ..Leitman/Mosier.. 05/09/2025 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...AKQ...MHX...RAH... LAT...LON 37247577 36877553 35707533 35397544 35257588 35267614 35627700 36097760 36357772 36677766 37007735 37097727 37327666 37347625 37317603 37247577 MOST PROBABLE PEAK WIND GUST...55-70 MPH MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN |
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2025-05-09 18:07:02