NOAA's National Centers for Environmental Information
June 2017 Tornado Occurrences
Source: SPC
This analysis is based on preliminary data available from the Storm Prediction Center. Final tornado counts published by the Storm Prediction Center and NCEI's Storm Events Database might differ from this report. For a more detailed climatology, please visit our tornado climatology page.
According to data from NOAA's Storm Prediction Center during June, there were 168 preliminary tornado reports. This is below the 1991-2010 average of 243 for the month. Isolated and smaller-scale outbreaks occurred throughout June with 58 preliminary tornado reports from an outbreak on June 12-14 from the High Plains to Upper Midwest and 30 preliminary tornado reports on June 28 across the Upper Midwest. There were no tornado-related fatalities reported during June. For January-June, there were 1106 preliminary tornado reports, with 972 preliminary tornado reports awaiting confirmation for February-June. This was the most tornadoes during the January-June period since 2011 when there were 1,398 tornadoes. The 1991-2010 January-June average number of tornadoes is 818.