![]() | MESOSCALE DISCUSSION 1951 NWS Storm Prediction Center Norman OK 1151 AM CDT Fri Aug 15 2025 AREAS AFFECTED...northern/central IA CONCERNING...Severe potential...Watch possible VALID 151651Z - 151845Z PROBABILITY OF WATCH ISSUANCE...60 percent SUMMARY...The SEVERE HAIL and wind threat may increase this afternoon across northern and central Iowa with low forecast confidence on both coverage/intensity. A Severe Thunderstorm Watch issuance is possible. DISCUSSION...As alluded to in the 1630Z SWODY1, short-term forecast confidence is low with regard to a long-lived but small cluster over northwest IA. This had diminished for a time after earlier ....... more |