Blizzard vs. Snowstorm: What's the Difference?

Is it just a snowstorm, or is it a true blizzard? This Grade 3-5 science lesson breaks down the extreme weather definition students need to know. What students will learn The 3 specific conditions required for a storm to be a "Blizzard" The official National Weather Service definition (Wind speed, duration, and visibility) How warm and cold air fronts collide to create extreme weather The real-world economic impact of blizzards on communities Summary In this live-action science program, students answer the question "What is a blizzard?" and explore the dangerous science behind this severe winter storm. We break down the National Weather Service criteria: winds exceeding 35 mph, visibility less than ¼ mile, and a duration of 3+ hours. Viewers will visually identify the three key ingredients for formation: moisture, a collision of warm and cold air, and below-freezing temperatures. The lesson also covers blizzard facts regarding long-term effects, including economic loss and infrastructure damage. Ideal for Grade 3-5 science units on weather hazards and NGSS 3-ESS3-1. Teacher & Parent Value Aligned with NGSS standards for Earth Systems and Natural Hazards. Perfect for introducing weather units or explaining current events to students. Usage Tip: Use this video as a warm-up before a hands-on "design a blizzard-proof school" STEM challenge. Subscribe for more "Curriculum for Curious Minds" and discover our complete science unit here: https://bit.ly/4sjvvql TIMESTAMPS 00:00 What Is A Blizzard? 00:45 Snowstorm vs. Blizzard 01:30 The 3 Ingredients for Formation 02:15 Warm & Cold Air Fronts 03:00 Official NWS Definition 03:45 35 MPH Winds & Visibility 04:30 Economic Impact & Damage 05:15 Staying Safe in Winter Weather EDUCATIONAL STANDARDS NGSS Candidates (3–5) 3-ESS3-1 (Earth and Human Activity) Description: Make a claim about the merit of a design solution that reduces the impacts of a weather-related hazard. Confidence: 95% Evidence: The video establishes the hazard (blizzard) and its impacts (economic/infrastructure), setting the stage for design solutions. ESS3.B (Natural Hazards) Description: A variety of natural hazards result from natural processes. Humans cannot eliminate natural hazards but can take steps to reduce their impacts. Confidence: 90% Evidence: Direct alignment with the video's focus on definition and impact. 3-ESS2-1 (Weather and Climate) Description: Represent data in tables and graphical displays to describe typical weather conditions expected during a particular season. Confidence: 80% Evidence: Defines specific weather data points (wind speed, temp) typical of winter. CCSS Candidates RI.3.1 / RI.4.1 (Key Ideas & Details) Description: Ask and answer questions to demonstrate understanding of a text, referring explicitly to the text as the basis for the answers. Confidence: 85% Evidence: The video provides explicit answers to "what is a blizzard" for students to cite. RI.3.4 (Vocabulary) Description: Determine the meaning of general academic and domain-specific words and phrases in a text. Confidence: 80% Evidence: Focus on domain terms like "visibility," "infrastructure," and "precipitation." Best-Fit Alignment Summary This video best aligns with NGSS 3-ESS3-1 by defining blizzards as a specific weather hazard, providing the necessary scientific context for students to subsequently design solutions for reducing their impactIs it just a snowstorm, or is it a true blizzard? This Grade 3-5 science lesson breaks down the extreme weather definition students need to know.