SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0655 PM CST Sun Dec 29 2024 Valid 300100Z - 301200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms will be possible this evening in parts of the Atlantic Coastal states, in the Ohio and Tennessee Valleys, Intermountain West and Pacific Northwest. No severe weather is expected. ...DISCUSSION... A large-scale mid-level trough will move quickly northeastward across the Ohio Valley, central Appalachians and Carolinas this evening. An associated surface low will move through southwest Ontario, as a cold front advances toward the southern and middle Atlantic Coast. Thunderstorm development will be possible near or ahead of the front this evening. Additional storms will be possible near a pocket of cold air aloft in the Ohio and Tennessee Valleys. Isolated storms may also occur ahead of a low-amplitude shortwave trough in the Intermountain West and near a trough in the Pacific Northwest. No severe threat is expected across the continental U.S. this evening and tonight. ..Broyles.. 12/30/2024