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COLORADO SEVERE WEATHER NETWORK

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Weather StoryMaps Collection

Explore interactive stories about severe weather events, tornado outbreaks, and educational resources from National Weather Service offices across the country. These ArcGIS StoryMaps combine data visualization, imagery, and narrative to help you understand the science and impact of weather phenomena.

SKYWARN® Program Overview

National Weather Service | Learn about the SKYWARN® Program and how you can contribute to severe weather reporting and community safety.



Severe Thunderstorm & Tornado Safety

NWS Milwaukee, WI | January 28, 2021 | This interactive story map contains educational and safety information on severe thunderstorms and tornadoes.



Media Reference Guide

NWS Tucson | August 5, 2022 | A comprehensive guide for media professionals covering weather events and understanding NWS operations.



Severe Weather Awareness Week 2025

NWS Tulsa, OK | February 13, 2024 | March 2nd through 8th is Severe Weather Awareness Week for eastern Oklahoma and northwest and west central Arkansas.



Weather Briefing Dashboard

NWS Albuquerque, NM | An interactive dashboard providing current weather briefings and forecasts for the Albuquerque area.



Major Tornado Outbreaks & Events (2024-2025)

May 25, 2024 Valley View Tornadoes

NWS Fort Worth/Dallas, TX | March 13, 2025 | An isolated supercell thunderstorm spawned 5 tornadoes in North Texas on May 25, 2024, including the devastating EF-3 Valley View tornado.



May 16, 2024 Derecho

NWS Houston/Galveston, Dickinson, TX | August 4, 2024 | An overview of the storm and aftermath of the derecho that impacted the Houston Metropolitan area.



April 27-28, 2024 Tornado Outbreak & Flash Flooding Event

NWS Norman, OK | June 7, 2024 | Comprehensive coverage of a significant tornado outbreak and flash flooding event affecting Oklahoma.



The Barnsdall Tornado

By MN | March 11, 2025 | This story map gives information about the 2024 Barnsdall tornado and the area of Tornado Alley.



Recent Severe Weather Events (2021-2023)

April 19, 2023 Large Hail & Tornado Event

NWS Norman, OK | April 21, 2023 | Severe weather produced several tornadic, slow-moving supercells producing large hail in central Oklahoma.



The December 10-11, 2021 Tornado Outbreak

National Weather Service | A regional overview of the destructive tornado outbreak in the Central and Southeast U.S., which was the deadliest December outbreak in U.S. history.



The December 15, 2021 Derecho & Tornado Outbreak

NWS La Crosse, WI | August 2, 2022 | The First Recorded December Derecho in the United States & Biggest Tornado Outbreak in NWS La Crosse History.



November 13, 2021 Tornadoes And Severe Weather

NWS New York, NY | Summary of the Severe Weather Event of November 13th 2021.



August 27, 2020 EF-1 Tornadoes And Severe Weather

NWS New York, NY | August 9, 2023 | Summary of the Severe Weather Event of August 27, 2020.



Historic Tornado Events

Commemoration of Joplin, Missouri EF-5 Tornado

NWS Springfield, MO | April 17, 2021 | On May 22, 2011, one of the deadliest tornadoes in the history of the United States struck Joplin killing 158 and injuring over 1000.



April 27, 2011 Devastating series of storms that slammed the Southeastern United States

NWS Birmingham and Huntsville | April 27, 2011 Tornadoes Storymaps documenting all three waves of severe weather across Alabama on April 27, 2011



Considerable to Consistent

A look into the initiative to improve upon the thresholds for considerable impact tag tornado warnings to provide a consistent message. The Storm Prediction Center will be implementing the new tornado warning criteria soon.



May 31, 2013: Tornado Outbreak & Historic Flooding


Up until the May 31st severe weather event, there were a total of 44 tornadoes that occurred in May of 2013. In fact, by the time the calendar flipped to May 31, 2013, the NWS Norman Weather Forecast Office (WFO) had dealt with severe weather almost non-stop from May 15th through June 1st. By evening of the 31st, 19 tornadoes were added to the tally. With 63 tornadoes recorded that month, May of 2013 ranked among the top five for the highest number of tornadoes in the month of May in Oklahoma.



Greensburg EF5

Jon Waldrup | February 19, 2024 | On the night of May 4th, 2007, Greensburg, Kansas was directly hit by a tornado that destroyed 95% of its buildings, killing 11.



Tri-State Tornado of March 18, 1925

NWS Paducah, KY | June 16, 2024 | The deadliest tornado in U.S. History.



Research & Analysis

F/EF-5 Tornados of North America

James Byrne | September 11, 2025 | A comprehensive study of the most violent tornadoes recorded in North America.



Tornado Alley Study

Adrian Lemieux | April 23, 2025 | An analytical look at the region known as Tornado Alley and its severe weather characteristics.



Tornadoes in the Deep South

Andrew Green | March 28, 2023 | Are there more severe tornadoes in 1950-1959 or 2010-2020?



Public Response to Tornado Occurrences in the United States

Michaela Wojslaw | December 9, 2022 | A look into the human response of one of the most powerful weather phenomenon on Earth.



Tale of Two Tornadoes

NWS Mobile/Pensacola | August 28, 2023 | A dive into the resources and best survey practices utilized to survey two separate tornadoes occurring at the same location minutes apart.



FEMA Natural Hazard Risk Index Score by U.S County

Lea Cueva | May 11, 2024 | An evaluation of six distinct natural hazards and their corresponding risk index score, utilizing FEMA data resources from the year 2021.



Special Reports & Year in Review

2025 Year in Review

NWS Midland/Odessa, TX | December 11, 2025 | Memorable Weather Events for West Texas and Southeast New Mexico.



We May Not Be in Kansas Anymore

NOAA National Centers for Environmental Information | How severe weather outbreaks in May 2024 led to over $20 billion in damages.



Strengthening America's Resilience to Extreme Weather

NOAA Research | September 10, 2025 | The Role of Weather Research & Forecasts in Protecting Lives, Property, and American Resiliency.