Severe thunderstorms, heavy rainfall, and flooding are possible from the northern Rockies into the Upper Midwest. A derecho is likely across portions of the northern Plains, with several gusts expected to exceed 75 mph. Extreme heat is expected to intensify across much of the Southeast and Tennessee Valley, continuing through much of this week. Read More >
Storm Data...for Riverton Office's Forecast Area
For the severe weather data for a particular month, choose the month and year and click "find".
Note: the data is in .pdf format, and you will need adobe acrobat to view it. Also, some data may not be available yet.
Thunderstorms & Tornadoes
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The following summaries cover "significant" or widespread thunderstorm outbreaks and tornadoes. Tornadoes, hail, wind damage, and flooding impacts can be found in these summaries. If the event was focused mainly on flooding it will be found under the "Flooding" section. |
Scroll down the page for year, or go directly:
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2023
2016
2015
2014
2013
2012
2011
2010
Historic
Flooding
The following summaries cover "significant" or widespread flooding. River and flash flooding can be found in these summaries. If the flooding event accompanied severe thunderstorms or tornado outbreaks, it will likely be included in that event's summary under the "Thunderstorms / Tornadoes" section.
2016
2015
2014
2013
2012
2011
2010
Historic
Winter Storms And Seasonal Winter Data
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The following summaries cover "significant" or widespread winter storms and Abnormal Winter Seasons. Heavy snow, sleet, freezing rain, and blizzards can be found in these summaries. In addition to this, climate data for winter seasons can be found, mainly for winter seasons with widespread records across the area. If the event focused on wind chills, it will be found under the "Heat / Cold" section. |
Scroll down the page for year, or go directly:
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2023
2022-2023
2016
2015
2014
2013
2012
2011
2010
Historic
Extreme Heat & Cold
The following summaries cover "significant" or widespread high heat or extreme cold. Dangerous wind chills and life threatening heat indices can be found in these summaries. Information related to significant wildfires in the region can also be found here. If the extreme temperatures were associated with a summer or winter storm, it may be found under the "Thunderstorms & Tornadoes" or "Winter" sections. These events tend to more "rare" compared to others, and has not been broken into yearly sections. If wished, that can be done here also (copy and past a snippet of yearly code from another section, then repeat as needed).
Other Events
The following summaries cover events that don't fall under the other categories - such as high wind events (not associated with thunderstorms). Other atmospheric events, such as auroras, may be found here.
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