Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

May 2023 marks the tenth anniversary of three significant tornado events that occurred in the NWS Norman forecast area in the latter half of May 2013. Please use the links below to find information and data for the these significant weather events.

NEW! NWS Norman StoryMap for the May 19, 2013 Tornado Outbreak

May 19, 2013 Tornado Outbreak including the tornadoes that affected the Lake Thunderbird, Shawnee, Luther, and Carney areas

NEW! NWS Norman StoryMap for the May 20, 2013 Tornado Outbreak

May 20, 2013 Tornado Outbreak including the EF-5 tornado that affected Newcastle, Moore, and south OKC

NEW! NWS Norman StoryMap for the May 31, 2013 Tornado Outbreak & Historic Flooding Event

May 31, 2013 Tornado and Flash Flood Event Outbreak including the EF-3 tornado that affected areas near El Reno, OK

NEW! NWS Norman Roundtable: Remembering the 2013 Tornadoes (YouTube)

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Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

Tenth Anniversary of the May 2013 Significant Tornado Events