![]() | MESOSCALE DISCUSSION 1528 NWS Storm Prediction Center Norman OK 0535 PM CDT Mon Jun 30 2025 AREAS AFFECTED...portions of northern CA and southern OR CONCERNING...Severe potential...Watch unlikely VALID 302235Z - 010030Z PROBABILITY OF WATCH ISSUANCE...20 percent SUMMARY...Scattered thunderstorm developing over the higher terrain will gradually expand in coverage/intensity this evening. Isolated DAMAGING GUSTS and small hail are possible with the strongest storms. A WW is not anticipated, though convective trends will continue to be monitored. DISCUSSION...As of 2230 UTC, regional satellite and radar imagery showed initial thunderstorms have increased in ....... more |