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Information concerning the tornadoes that occurred on August 18th and August 19th, associated with Tropical Depression Erin, is listed in the chart below. Five tornadoes occurred over the WFO Norman County Warning Area, 3 of which were rated an EF-1 and 2 rated an EF-0.
|August 18-19, 2007 Tornadoes by Intensity|
|1||08/18/2007||1546-1557||6||50||EF1||0||0||Kiowa||5.5 ESE Hobart - 6 NE Hobart|
|2||08/18/2007||1610-1620||4||30||EF0||0||0||Washita||10 SSE - 6 SSE Cordell|
|3||08/18/2007||1944-1948||2||30||EF1||0||0||Grady||2.5 SSW Norge - 1.8 E Laverty|
|4||08/19/2007||0100-0106||3||30||EF0||0||0||Caddo/ Canadian||1.7 ENE Cogar - 9 W Union City|
|5||08/19/2007||0132-0138||7||75||EF1||0||0||Grady/ Canadian||1 ESE Minco - 1 N Union City|