Symbolize data in ArcMap:
Create a weather map
Gregory C. Emmanuel
Outline
• Weather map basics
• GIS
GIS--ready weather data
• Prepare data in ArcCatalog
– Examine data & metadata
– Geoprocessing
• Display data in ArcMap
– Classify
Cl
if & symbolize
b li wind
i dd
data
t
• Create temperature raster & isotherms
– Use Spatial Analyst
– ModelBuilder isotherm model
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Weather map basics
• Barometric pressure
– Isobars (lines of equal pressure)
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Weather map basics
• Surface temperature
– Isotherms (lines of equal temperature)
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Weather map basics
• Surface winds
– Wind barbs (symbols to show winds speed & direction)
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GIS--ready weather data
GIS
• NOAA Satellite and Information Service
– Satellite Services Division GIS
– http
http://
://www.gis.ssd.nesdis.noaa.gov
www.gis.ssd.nesdis.noaa.gov
– Near realreal-time surface conditions for whole world
• Shapefile
Sh
fil
– Must download all 3 files (.SHP, .SHX, .DBF)
.DBF)
– Metadata ((.XML))
Windows Explorer
A
ArcCatalog
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Demonstration
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Examine & prepare data in ArcCatalog
• Preview data & metadata
• Define .SHP coordinate system
• Clip
p .SHP data to study
y area – USA
• Convert .SHP to GDB FC
• Project .SHP to new coordinate System
A
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Clip features
• Use a FC to define the boundary of another
Input Features
Output Features
Clip Features
(the cookie cutter)
A
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Get the most from a GP tool
• Perform 3 operations at once
• Clip GP tool
– Use a FC to define boundary of another – Clip
– Set Output FC to different format – Conversion
– Set Output Coordinate System to different one – Projection
A
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Software demonstration
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Classify weather data
• Choose appropriate field
• Exclude missing values from classification scheme
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Symbolize weather data
• Weather style set
Wind
barb
A
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Spatial Analyst extension
• Spline
• Contour
C t
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ModelBuilder
• Create a GP model
• String several tools together
• Output of one tool becomes input for another
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Create a layout
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Software demonstration
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Summary
• Weather map basics
• GIS
GIS--ready weather data
• Prepare data in ArcCatalog
• Display
p y data in ArcMap
p
• Create temperature raster & isotherms
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Exercise – Symbolize Data in ArcMap:
ArcMap: Create a
Weather Map (45 minutes)
1. Examine weather data
2 Process the data
2.
–
–
Define projection
Clip
3. Add data to ArcMap
4. Symbolize with Weather style set
–
–
Temperature
Wind
5. Create map layout
–
Apply a template
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GIS Training and Education Survey
http://www.esri.com/training
• Brief online survey to get your feedback
– All survey takers get a free oneone-module Web course
• Helps us develop training products that:
– Support
S
your workflows
f
– Cover the ESRI products you use
– Focus on most common GIS tasks and roles
• Survey available at:
– ESRI Showcase: Training and Education Island
– ESRI Training Web site (until July 20th)
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Thank you for attending!
Questions?
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