Severe Storm Outlook Narrative (AC)
Issued by NWS
Issued by NWS
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339 ACUS01 KWNS 281636 SWODY1 SPC AC 281634 Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1134 AM CDT Tue May 28 2024 Valid 281630Z - 291200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS OVER PARTS OF SOUTHEAST AND WEST TEXAS... ...SUMMARY... Severe storms capable of damaging winds and occasional very large hail (in excess of 2 inches in diameter) can be expected across southeast Texas and far southwest Louisiana through this afternoon. Another area of significant severe weather potential will develop across west Texas this afternoon and evening. ...Southeast TX/Western LA... A large nocturnal MCS that continues to affect east TX has dramatically changed the overall forecast of severe storms for later today. The leading edge of the MCS will affect southeast TX and southwest LA this afternoon, in a very moist and extremely unstable environment. Sufficient deep-layer shear will promote supercell and bowing structures capable of damaging winds and very large hail until early evening when the primary activity moves offshore. ...West TX... The outflow boundary from the aforementioned MCS has surged westward across TX. A zone of strong heating and locally higher surface dewpoints on the north side of the boundary is expected to result in rapid thunderstorm development by late afternoon. These storms will be in a favorably sheared environment for intense supercells capable of all severe hazards. Activity will persist through much of the evening and spread into west-central TX. ...WI/IL/IN... Scattered afternoon thunderstorms will develop ahead of a shortwave trough over southeast MN. A few of the storms may produce locally gusty winds and hail, but the overall severe threat is expected to remain marginal. ...Outer Banks of NC... A weak surface boundary currently parallels the NC coast, with a very moist and moderately unstable air mass in place. Isolated afternoon thunderstorms are expected along this boundary, with a risk of locally damaging winds or hail in the most intense storms. ...ME... Isolated afternoon thunderstorms are expected to affect central and eastern ME as a shortwave trough moves across the area. Gusty winds and hail will be possible in the strongest cells. ..Hart/Squitieri.. 05/28/2024 $$