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Understanding Storm Intensity Tracking During Severe Weather

June 17, 2026 · The Clime Team
Understanding Storm Intensity Tracking During Severe Weather

Severe weather events, such as thunderstorms, tornadoes, and hurricanes, can pose significant risks. Understanding how to track and interpret storm intensity is crucial for timely and effective responses.

What Defines Storm Intensity?

Storm intensity refers to the severity of a storm's impact, including wind speed, precipitation levels, and potential for damage. Meteorologists assess these factors to categorize storms and issue appropriate warnings.

How Are Storms Categorized?

The National Weather Service (NWS) uses specific criteria to classify storms:

  • Severe Thunderstorms: These storms produce wind gusts of at least 58 mph (93 km/h), hail 1 inch (2.5 cm) in diameter or larger, or tornadoes. (mrcc.purdue.edu)

  • Tornadoes: Classified using the Enhanced Fujita (EF) Scale, which ranges from EF-0 (65-85 mph winds) to EF-5 (over 200 mph winds). (mrcc.purdue.edu)

What Are Watches and Warnings?

The NWS issues alerts to inform the public about potential severe weather:

  • Watch: Indicates that conditions are favorable for severe weather to develop.

  • Warning: Means that severe weather is occurring or imminent, and immediate action is necessary. (mrcc.purdue.edu)

How Do Meteorologists Track Storm Intensity?

Meteorologists utilize various tools to monitor and assess storm intensity:

  • Radar: Doppler radar detects precipitation and wind patterns, helping identify severe weather features. (nssl.noaa.gov)

  • Satellite Imagery: Provides visual data on storm development and movement.

  • Weather Stations: Collect data on temperature, humidity, and wind speed to assess storm conditions.

What Are Conditional Intensity Groups (CIGs)?

The Storm Prediction Center (SPC) introduced Conditional Intensity Groups (CIGs) to indicate the potential severity of storms within a risk area:

  • CIG1: Low potential for significant severe hazards.

  • CIG2: Moderate potential for significant severe hazards.

  • CIG3: High potential for significant severe hazards. (origin-west-www-spc.woc.noaa.gov)

How Can I Stay Informed About Storm Intensity?

To receive timely updates on storm intensity and related warnings:

  • Monitor Official Sources: Regularly check updates from the National Weather Service and local meteorological agencies.

  • Use Reliable Weather Apps: Utilize applications that provide real-time weather information and alerts.

  • Stay Alert to Local News: Follow local news outlets for updates on severe weather events.

By understanding storm intensity tracking and staying informed through reliable sources, you can make informed decisions and take appropriate actions during severe weather events.

Frequently Asked Questions