Severe Storm Outlook Narrative (AC)
Issued by NWS
Issued by NWS
923 ACUS02 KWNS 080603 SWODY2 SPC AC 080601 Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 0101 AM CDT Fri May 08 2026 Valid 091200Z - 101200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF WESTERN OKLAHOMA AND NORTHWEST TEXAS... ...SUMMARY... Thunderstorms with large hail and a few damaging wind gusts are expected to develop across parts of the southern Plains Saturday afternoon and evening. A marginal severe threat is forecast along parts of the Gulf Coast. ...Southern Plains... At mid-levels, cyclonically-oriented northwest flow will be in place over the central U.S. on Saturday. Within the flow, a subtle shortwave trough is forecast to move into the southern Plains by early Saturday evening. Ahead of the approaching trough, low-level moisture advection is forecast ahead of a cold front moving through the central Plains. A dryline should be located near a triple point and surface low extending southward into northwest Texas. By late afternoon, surface dewpoints should be in the 60s F across most of Oklahoma and north Texas with moderate instability in place. Low-level convergence will likely become maximized near the triple point in southwest Kansas and far northwestern Oklahoma, which should enable convective initiation. Multiple storms are expected to develop and move south-southeastward across western Oklahoma and northwest Texas. The most favorable environment for severe storms is forecast over southwest Oklahoma during the late afternoon and early evening. RAP forecasts soundings at 00Z east of the dryline near Altus have 0-6 km shear in the 35 to 40 knot range with 700-500 mb lapse rates around 7.5 C/km. This suggests that supercell development with large hail will be possible. At the surface, temperature-dewpoint spreads are forecast to be around 25 degrees F. This will result in high-based storms capable of isolated severe wind gusts. The severe threat could persist into the early to mid evening, as convection moves south-southeastward into northwest Texas. ...Gulf Coast Region... West-southwest flow at mid-levels is expected on Saturday along the Gulf Coast. A shortwave trough is forecast to move through south Texas Saturday afternoon and into the Gulf Saturday evening. Another shortwave trough is forecast to move eastward across the Southeast. Warm-advection related storms are forecast to move southeastward from southern Mississippi and southern Georgia into northern Florida during the day. These storms could be associated with a marginal wind-damage threat. Further west across the central and western Gulf Coast, onshore flow should result in convection along coastal convergence boundaries during the afternoon. Moderate instability and sufficient deep-layer shear is forecast for isolated severe wind gusts and hail. ..Broyles.. 05/08/2026 $$