Thunderstorm potential is expected to be high in certain areas. Multiple impulses will move through the region, bringing the potential for severe weather. The threat of severe weather is most predictable in one particular area during days 4-5.
Further details about the forecast are available, including information about upper level weather patterns.
A specific boundary is expected to form on Friday, which may play a role in the development of thunderstorms.
Mesoscale Discussion 2274 NWS Storm Prediction Center Norman OK 0342 PM CDT Wed Sep 09 2026 Areas affected...portions of northern Ohio into northwestern Pennsylvania and far western New York Concerning...Severe Thunderstorm Watch 665... Valid 092042Z - 092215Z The severe weather ...
STATUS REPORT ON WW 665 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 SSE FDY TO 40 NNW YNG TO 30 NNE ERI. FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 2274 ..SQUITIERI..09/09/26 ATTN...WFO...BUF...CLE...PBZ...CTP... STATUS REPORT FOR WS 665 SEVERE WEATHER THREAT...
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 665 NWS Storm Prediction Center Norman OK 250 PM EDT Wed Sep 9 2026 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Western New York Northern Ohio Northwest Pennsylvan...