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Cloud Protocols. Goals for the Training Session. Provide an inquiry context for the data collection and science content Provide accurate science content Review procedures for data collection Review data entry and analysis Discuss classroom implementation ideas

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Presentation Transcript
goals for the training session
Goals for the Training Session
  • Provide an inquiry context for the data collection and science content
  • Provide accurate science content
  • Review procedures for data collection
  • Review data entry and analysis
  • Discuss classroom implementation ideas
  • Collect feedback from participants
inquiry context
Inquiry Context
  • Does cloud cover affect surface temperature and surface air temperature?
  • What is the relationship between clouds and precipitation?
  • Is there a relationship between contrails and cloud cover?
why do globe scientists research clouds
Why do GLOBE scientists research clouds?
  • To better calculate the rate of heat exchange in the atmosphere
  • For verification and improvement of automated remote sensing
  • To understand how cloud climatology may be changing
  • To help improve interpretation of satellite observations of Earth’s radiative balance
  • To provide ground-based data on contrails

Science Content: The Cloud Triangle

  • Clouds can be defined by:
  • Their shape & form
  • The cloud base altitude
  • If they are precipitating
science content cloud shape
Science Content: Cloud Shape

The 3 main cloud shapes are:







Altitude and shape are keys to identifying clouds.

science content high clouds
Science Content: High Clouds




High-level clouds

science content middle clouds
Science Content: Middle Clouds



Mid-level clouds

science content low clouds
Science Content: Low Clouds

Low-level clouds




science content low clouds with precipitation
Science Content: Low Clouds with precipitation

Low-level clouds



science content contrail types
Science Content: Contrail Types


Persistent Non-spreading

Persistent Spreading

science content estimating percentages
Cloud CoverScience Content: Estimating Percentages

No Clouds 0%

Clear 0 - 10%

Isolated10 - 25%

Scattered25 - 50%

Broken50 - 90%


Contrail Cover

No Contrails 0%





the measurements
The Measurements

Cloud Type

  • Contrail Type
  • Percentage of Cloud Cover
  • Percentage of Contrail Cover
collecting data field lab guides data sheets
Collecting Data: Field/Lab Guides & Data Sheets

Field/Lab Guides:

  • Cloud Cover and Contrail Cover Protocol Field Guide
  • Cloud Type and Contrail Type Protocol Field Guide

Data Sheets:

Use one of the following:

  • Clouds 1-Measurement Data Sheet
  • Clouds 7-Measurement Data Sheet
  • Integrated 1-Day Data Sheet
  • Integrated 7-Day Data Sheet
collecting data protocol
Look at the sky in every direction

Estimate and record the % of coverage by clouds & contrails

Identify and record the number of each type of contrail

Collecting Data: Protocol
collecting data procedures
Listed are examples of obscuring conditions

If more than one-fourth of the sky is obscured, record and report the reason on the data sheet.

Blowing Snow

Heavy Snow

Heavy Rain



Volcanic Ash





Collecting Data: Procedures
enter data on the globe web site
Enter Data on the GLOBE Web Site

Step 1: Confirm that the atmospheric study site definition is completed

Step 2: Select “Cloud Observations” from the atmosphere data entry menu

Step 3: Enter date/UT time/select site

Step 4: Enter cloud observation data

Step 5: Confirm data entries on verification page

classroom implementation
Classroom Implementation
  • Inquiry
  • Curriculum/Standards Alignment
  • Assessment
  • Classroom Management
getting started
Getting Started
  • The GLOBE Web site has information

  • GLOBE Help Desk or your Country Coordinator can support you as you get started.
  • Get your students involved doing real science!