A few lightning flashes may occur today across parts of coastal Washington/Oregon and tonight over southern Louisiana. Severe thunderstorms are not expected.
No changes have been made to the ongoing forecast. See the previous discussion below for more information.
Dry and stable conditions will prevail over most of the CONUS today,precluding thunderstorms. One exception will be over western WAwest of the Cascades, where fast onshore flow, orographic lift, and100-200 J/kg of CAPE will be present. The other area of some riskof lightning will be over southern LA tonight in a weak low-levelwarm advection regime. In both areas, thunderstorm coverage isanticipated to be sparse and severe risk negligible.