I keep a copy of this outside my door on my self-referral board as a reminder to my students. I also offer up a copy to teachers who want to reinforce this more in their room.
This is the lesson plan I use to teach it: http://theresponsivecounselor.blogspot.com/2016/08/weather-sized-problems-lesson.html
For the corresponding problem examples: https://www.teacherspayteachers.com/Product/Problem-Size-Weather-Sorting-Cards-2818096
For the corresponding self-referral form: https://www.teacherspayteachers.com/Product/Self-Referral-Counseling-Slips-2802970