Applied Weather Modification AtSc 252 Spring 2026 (Class Number 23593)

Overview
The syllabus describes the requirements and procedures for Applied Weather Modification (AtSc 252) class. Students are responsible for knowing class syllabus material; hence, please read the syllabus carefully. Any changes will be announced through email to your University of North Dakota (UND) Blackboard site and via email. Students are responsible for keeping up to date with class material. Continued enrollment in the course is your implicit agreement to abide by the class requirements. The black board site will be used for taking quizzes, exams, and for grade book; while, the Class Website will be used to distribute link, videos and class session recorded via zoom.

Meeting Information
Class Meeting Time: 4:00 PM - 5:15 PM
Class Meeting Location: Odegard Hall, Room 103
Class Zoom Link:  https://und.zoom.us/j/97550283777

Class Links
Class Syllabus
[url, pdf]
Blackboard Site (ATSC 252: Applied Weather Modification - - Sp26)
Pilot Interview Questions [docx, pdf]
2025 Class Website
2024 Class Website
2023 Class Website
2022 Class Website

North Dakota Cloud Modification Project Links
NDCMP 2025 Final Report
NDCMP 2024 Final Report
NDCMP 2023 Final Report

Weather Modification Links
North Dakota North Dakota Cloud Modification Project Website
Bowman Radar - July 8, 2021
Tuftedal et al., 2022 Paper
Cloud Seeding Technologies

Weather Links
Atmospheric Observations
Meteorological Observational Trailer (MetTrailer)
Red River of the North at Grand Forks

In-the-news Links
2026/01/13 - Aerocom 2019 Weather Modification Effort Article (Page 16)
2026/01/15 -
Great Green Wall: Drought-resilient algae to help reclaim 6,667 hectares of desert
2026/02/10 - 
Experts raise alarm about unprecedented phenomenon impacting two-thirds of US: 'I've never seen anything like it
2026/04/02 - ‘On a whole other level’: rapid snow melt-off in American west stuns scientists
2026/04/14:- Detailed Footage Finally Reveals What Triggers Lightning

Reviewed Audio and Videos
2026/01/13: Saudi Arabia 2024 (Lynnlee Rosolino)
2026/01/20:
Pi Cloud Chamber Videos
2026/01/22: CapeEx19 Harrison Rademacher
2026/02/03: Flying Through A Hail Storm (Starts at 3:42:02)
2026/02/05: Payton Belzer - 2025/03/18 Interview
2026/02/10:
Laura Standen - February 22, 2024 Interview
2026/02/26: Saudi Arabia Fall 2023 (Lynnlee Rosolino)
2026/03/03:
Droplet Coalescence and Breakup At Terminal Velocity (ManchesterMICC)
2026/03/17: CAPE2015 Field Project (Citation Research Aircraft)
2026/03/19: The Life Cycle of a Single-Cell Thunderstorm
2026/03/24: Maintenance of Multi-cell Storm System
2026/03/26: A Tour of a Super-cell
2026/03/31: March 28, 2009 Cloud Video
2026/04/02: New Zealand 1998 Scientific Balloon Flights (22 January)

2026 Schedule (UND Odegard Hall 103, 4:00 - 5:15 p.m. CST)

January 13, Tuesday [Recording]
    Presentation: Introduction [odt, pdf, Video]
    In-the News: Aerocom 2019 Weather Modification Effort Article (Page 16)
    Demonstration:  1950 Time Cover
    Video:  Saudi Arabia 2024 (Lynnlee Rosolino)
    Discussion: Class Syllabus [url, pdf]
    Presentation: Class Overview [odp, pdf, Video]
    Presentation: Early History of Weather Modification [odp, pdf] (Completed up to Slide 3)
    Assignment: Complete Blackboard History Quiz. Dues Tuesday January 20, 3:59 pm (5 Attempts, Highest Score, 5 Minutes.)
January 15, Thursday [Recording]
   
Presentation: Early History of Weather Modification [odp, pdf] (Start at Slide 4)
    In-the-news: Great Green Wall: Drought-resilient algae to help reclaim 6,667 hectares of desert
    Demonstration: Dry Ice
    Presentation: Recent History of Weather Modification [odp, pdf]
January 20, Tuesday [Recording]
    Announcement: Data Skills Pathway Program [Wiki]
    Presentation: Critical Thinking [odp, pdf, Video]
    Demonstration:  Aircraft Icing Detector
    Video: Pi Cloud Chamber Videos
    Presentation: Legal Aspects - Theory [odp, pdf, Video]
    Assignment: Complete Blackboard Critical Thinking / Legal Aspects Quiz. Dues Tuesday January 27, 3:59 pm (10 Attempts, Highest Score, 5 Minutes.)
    Student Tasks: Completed History Quiz.

January 22, Thursday [Recording]
    Presentation: Legal Aspects - Application [odp, pdf, Video]
    Video:  CapeEx19 Harrison Rademacher
    Presentation: Environmental Impacts [odp, pdf, Video]
    Student Tasks: Completed Critical Thinking / Legal Aspects Quiz by Tuesday January 27, 3:59 pm.
January 27, Tuesday (Marwa Majdi Presentations) [Recording]
    Presentation: Sociological Issue [odt, pdf, Video]
    Presentation: NDCMP-Sociological-Issues [pdf]
    North Dakota 2025 Intern Presentation: Vivian Broughton 4:45 pm [pptx, odp, pdf,  Google Slides, 2025/06/20 Case Study: Radar1, Radar2, Take-off, Seeding 2nd Storm]
    Assignment: Complete Blackboard
Environmental / Sociological Quiz. Dues Tuesday February 3, 3:59 pm (5 Attempts, Highest Score, 5 Minutes.)
January 29, Thursday (Marwa Majdi Presentations) [Recording]
    Presentation: Economic Impacts [odt, pdf]
    Presentation: Unintended Weather Modification [odt, pdf]
February 3, Tuesday [Recording]
    Discussion: Information for Intern Co-Pilots [docs, pdf]
    Video: 2025/02/04: Flying Through A Hail Storm (Starts at 3:42:02)
    Discussion: AMS Presentations [T28 Analysis (pdf), IMPACTS/CapeEx19 Analysis (pdf)]
    Lecture: Statistical Evaluations [odp, pdf] (Completed to Slide 15)
    Assignment: Complete Economics Quiz. Dues Tuesday February 10, 3:59 pm (5 Attempts, Highest Score, 5 Minutes.)
   
Assignment: Complete Inadvertent Weather Modification Quiz. Dues Tuesday February 10, 3:59 pm (5 Attempts, Highest Score, 5 Minutes.)
February 5, Thursday [Recording]
   
Lecture: Statistical Evaluations [odp, pdf] (Start at Slide 15)
    Video:
Payton Belzer - 2025/03/18 Interview
    Lecture: NDCMP Statistical Evaluation (Summary of Tuftedal et al., 2022 Paper) [odp, pdf] (Finished on Slide 14)
    Assignment: Complete Statistical Evaluations Quiz. Dues Tuesday February 10, 3:59 pm (5 Attempts, Highest Score, 5 Minutes.)
February 10, Tuesday [Recording]
    In-the-new:  Experts raise alarm about unprecedented phenomenon impacting two-thirds of US: 'I've never seen anything like it'

    Lecture: NDCMP Statistical Evaluation [odp, pdf] (Start on Slide 15)
    Video: Laura Standen - February 22, 2024 Interview

    Demonstration: High-Volume Precipitation Spectrometer version 3 (HVPS-3) Instrument
    Assignment: Complete Exam I Review Quiz. Dues Thursday February 12, 3:59 pm (unlimited Attempts, Highest Score, 10 Minutes.)
February 12, Thursday (Marwa Majdi Proctoring)
    In-class Exam I
February 17, Tuesday [Recording (Forgot to Screen Share)]
    NDCMP Internship Posted.  Due Date March 2.  Also, see link to the posting on our DWR website homepage at dwr.nd.gov.
    Lecture: Water Vapor [odp, pdf]
    Demonstration:  Cloud-in-a-jar
    Lecture: Aerosol [odp, pdf] (Finished with Slide 6)
February 19, Thursday [Recording]

    Lecture: Aerosol [odp, pdf] (Start with Slide 7)
    Video: Lucas Castro - 2024/01/26
    Assignment: Complete NDCMP Statistical Evaluation and Water Vapor Quiz. Dues Tuesday February 24, 3:59 pm (10 Attempts, Highest Score, 5 Minutes.)
February 24, Tuesday [Recording]
    Discussion: Complete Intern Pilot Job Posting, only 1 Week left.  Talk with Dan Brothers or Missy Schmidt (HR person) if you have questions.
    Lecture: Nucleation [odp, pdf]
    Demonstration: Snow/Rain-in-jar (Using Dry Ice)
    Lecture: Droplet Growth [odp, pdf]
    Assignment: Complete Aerosols Quiz. Dues Thursday February 26, 3:59 pm (10 Attempts, Highest Score, 5 Minutes.)
February 26, Thursday [Recording]
    Discussion: Review Clifford Hall Cloud Condensation Nuclei (CCN) concentration Dashboard and Aerosol Particle Sizer (APS) Dashboard data.
    Lecture: Ice Growth [odp, pdf]
    Video: Saudi Arabia Fall 2023 (Lynnlee Rosolino)
    Assignment: Complete Nucleation Quiz. Due Tuesday March 3, 3:59 pm (10 Attempts, Highest Score, 5 Minutes).
    Assignment: Complete Droplet and Ice Growth Quiz. Due Thursday March 5, 3:59 pm (10 Attempts, Highest Score, 5 Minutes).
March 3, Tuesday [Recording]
    Discussion: Job announcements for the 2026 North Dakota Cloud Modification Project have now been posted and students interested in applying are required to use the https://www.omb.nd.gov/team-nd-careers/career-openings website.  One announcement (Intern Meteorologist Position) is for a student internship and the other (Radar Meteorologist Position) requires the completion of an undergraduate degree by May 27th.
    Lecture: Basic Clouds [odp, pdf]
    Video: Droplet Coalescence and Breakup At Terminal Velocity (ManchesterMICC)
    Lecture: Precipitation Processes [odp, pdf] (Completed Up to Slide 21)
    Assignment: Complete Exam II Quiz. Due Thursday March 5, 3:59 pm (Unlimited Attempts, Highest Score 10 Minutes).
March 5, Thursday
    Exam II
March 17, Tuesday [Recording]
    Lecture: Precipitation Processes [odp, pdf] (Start at Slide 22)
    Video: CAPE2015 Field Project (Citation Research Aircraft)
    Lectures: Cloud Dynamics [odp, pdf]
    Assignment: Complete Cloud and Precipitation Processes Quiz. Due Thursday March 19, 3:59 pm (5 Attempts, Highest Score, 5 minutes).
March 19, Tuesday [Recording]
    Video:  The Life Cycle of a Single-Cell Thunderstorm
    Discussion: Fog Today [Fog-CDP Dashboard]
    Lectures: Conceptual Models [odp, pdf]
    Demonstration: Burn-in-place and Ejectable Cloud Seeind Flares
    Lectures: Precipitation Models [odp, pdf]
    Assignment: Complete Conceptual Models Quiz. Due Thursday March 24, 3:59 pm (5 Attempts, Highest Score, 5 minutes).
March 24, Tuesday [Recording]
    Discussion: Red River of the North at Grand Forks (National Water Prediction Service - NOAA)
    Lecture: Hail Suppression Conceptual Model [odp, pdf] (Completed to Slide 28)
    Video: Maintenance of Multi-cell Storm System
    Assignment: Complete Hail Suppression Conceptual Model Quiz. Due Tuesday March 31, 3:59  pm (5 Attempts, Highest Score, 5 minutes).

March 26, Thursday [Recording]
    Demonstration: BREATHE Weather Stations
    Lecture: Hail Suppression Conceptual Model [odp, pdf] (Start at Slide 28)
    Video: A Tour of a Super-cell
    Lecture: North Dakota Cloud Modification Project (NDCMP) Conceptual Model [odp, pdf] (Complete up to Slide 9)
March 31, Tuesday [Recording]
    Discussion: Red River of the North at Grand Forks
    Lecture: North Dakota Cloud Modification Project (NDCMP) Conceptual Model [odp, pdf] (Start at Slide 9)
    Video: March 28, 2009 Cloud Video
    Lecture: Fog Abatement [odp, pdf] Completed to Slide 13
April 2, Thursday [Recording]
    Lecture: Fog Abatement [odp, pdf] Start at Slide 14

    In-the-news: ‘On a whole other level’: rapid snow melt-off in American west stuns scientists
    Video: New Zealand 1998 Scientific Balloon flights (22 January)
    Lecture: North Dakota UAS Fog Abatement Assessment [odp, pdf]
    Assignment: Complete North Dakota Cloud Modification Project (NDCMP) Conceptual Model Quiz. Due Tuesday April 7, 3:59  pm (5 Attempts, Highest Score, 5 minutes).
    Exam 3 - In-class, Next Thursday, April 9 4:00-5::15. Up to and including the NDCMP Conceptual Model material.
April 7, Tuesday [Recording]
    Discussion:  Current Red River Water Level
    Lecture: North Dakota UAS Fog Abatement Assessment [odp, pdf]
    Demonstration: Tripod Systems (TIMMS SN00400)
    Assignment Complete Exam 3 Quiz. Due Thursday April , 3:59 pm (Unlimited Attempts, Highest Score, 10 minutes).
April , Thursday    
    Exam 3
April 14, Tuesday [Recording]
    In-the-news: Detailed Footage Finally Reveals What Triggers Lightning
    Presentation: Lightning Suppression [odp, pdf]
    Demonstration: Green Ash log struck by lightning6
    Demonstration: High Voltage Power Supply and Lighting Discharge
    Presentation: Hurricane Modification [odp, pdf] (Complete up to Slide 6)
    Assignment: Complete Fog Abatement Quiz. Due Thursday April 16, 3:59 pm (5 Attempts, Highest Score, 5 minutes).   
April 16, Thursday [Recording]
    Presentation: Hurricane Modification [odp, pdf] (Start at Slide 6)
    Video: Fog over North Dakota field during Sugar Beet Harvest (October 5, 2022)
    Demonstration: Seeding Flares
    Video: Hygroscopic Flare Burning On Ground - November 1, 2024 [mp4]
    Presentation: Seeding Material [odp, pdf]
    Assignment: Complete Lightning/Hurricane Quiz. Due Tuesday April 21, 3:59 pm (5 Attempts, Highest Score, 5 minutes).


April 23, Thursday
    Record Keeping - Dan Brothers

April 30, Thursday
    Exam IV


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