Coastal Flood Advisory issued June 24 at 1:10AM PDT until June 25 at 1:00AM PDT by NWS San Francisco CA

MD 1426 CONCERNING SEVERE POTENTIAL...WATCH UNLIKELY FOR PORTIONS OF FAR NORTHEAST ILLINOIS INTO NORTHERN INDIANA...SOUTHERN LOWER MICHIGAN...AND EXTREME NORTHWEST OHIO Mesoscale Discussion 1426 NWS Storm Prediction Center Norman OK 1236 PM CDT Tue Jun 24 2025 Areas affected...portions of far northeast Illinois into northern Indiana...southern Lower Michigan...and extreme northwest Ohio Concerning...Severe potential...Watch unlikely Valid 241736Z - 241930Z Probability of Watch Issuance...20 percent SUMMARY...The risk for isolated damaging gusts will increase through the afternoon. A Severe Thunderstorm Watch issuance is not currently expected. DISCUSSION...Thunderstorms are developing along the periphery of an upper ridge, where moderate buoyancy (e.g. 1500-2000 J/kg MLCAPE) has