Local forecast by
"City, St" or Zip Code

• Current Hazards
  • Watches / Warnings
  • Outlooks
  • U.S. Hazards
  • Hurricane Info
  • eSpotter
  • Local Storm Reports
• Current Conditions
  • Observations
  • Satellite Images
  • Rivers & Lakes AHPS
  • Precip Estimate
  • Snow Cover
• Radar Imagery
  • Local Radar
  • Nationwide
• Forecasts
  • Activity Planner
  • Local Area
  • Aviation
  • Fire Weather
  • Interactive
  • Hot Weather
  • Winter Weather
  • Air Quality
  • Numerical Models
  • en Español
• Rivers / Hydrology
  • AHPS / River Info
  • Drought
• Climate
  • Local
  • National
  • More...
• Weather Safety
  • StormReady
  • Preparedness
  • Weather Radio
  • EMWIN
  • Skywarn
• Local Information
  • Our Office
  • Coop Observer
  • Education/Resources
  • Local Research
• Contact Us
  • Webmaster
  • Feedback

NWS Twin Cities Home Page » Cooperative Weather Observer Program » Instructional Materials

The links below are to resources which Cooperative Weather Observers may find helpful to use when trying to take as accurate measurements as possible. 

• NOAA Central Library: HTML
• Instructions for form B-91: HTML
• Snowfall Measurement Guidlines: HTML
• NWS Observing Handbook No. 2: Cooperative Station Observations: PDF
• NWS Observing Handbook No. 6: Cooperative Program Operations: PDF