Severe Storm Outlook Narrative (AC)
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Issued by NWS
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957 ACUS11 KWNS 192358 SWOMCD SPC MCD 192357 TXZ000-200100- Mesoscale Discussion 1336 NWS Storm Prediction Center Norman OK 0657 PM CDT Wed Jun 19 2024 Areas affected...Lower/middle Texas Coast and deep south Texas Concerning...Severe potential...Watch likely Valid 192357Z - 200100Z Probability of Watch Issuance...80 percent SUMMARY...Tornado risk to increase through the evening as outer bands of Tropical Storm Alberto move inland across the lower/middle Texas Coast. DISCUSSION...Recent radar imagery has shown supercells developing in a band of convection just off the middle Texas Coast northeast Corpus Christi. At least transient rotation and supercell structures are expected to increase as low-level shear strengthens through the evening. Forecast soundings show greater low-level shear and curvature in hodographs after 00z across much of the area across south Texas and inland to the Rio Grande Valley. This will lead to an increase in embedded supercells within bands of deeper convection and potential risk for tornadoes. Isolated supercells also may develop over the Gulf and move ashore south of the primary band(s). A watch is likely to be needed in the next hour. ..Thornton/Edwards.. 06/19/2024 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...HGX...CRP...EWX...BRO... LAT...LON 28629549 28739561 28969621 29039673 28949768 28759863 28419914 27769953 27389952 26749921 26459893 26229864 26099836 26019762 25879747 25929714 27049705 27499693 27969664 28259624 28449560 28629549