UNLV CEG 795 - Exercise (HW) #1: Mapping Hurricane Katrina

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Goals of the ExerciseHurricane Katrina occurred between 25 – 29 August 2005, and although all the damage and loss of life has yet to be assessed, it is likely that this event will be known as the greatest natural disaster in the history of the United States. Damage occurred from two causes – the onslaught of hurricane force winds and tidal surges along the coast of Louisiana, Mississippi and Alabama, and the drainage of inland floodwaters back towards the coast – Lake Pontchartrain breached the levees that separated it from the City of New Orleans and the inrush of water filled the city itself, which is located below sea level. For the first time in the history of the nation, a major city has been paralyzed with its citizens being told to evacuate for an indefinite period until the city can be drained and services restored. This is a catastrophe on many levels – in human impact, in economic losses, in lack of foresight, in slow response to the emergency. In the coming months, there will be a great deal of examination as to why and how these failures occurred.The purpose of this exercise is to show how GIS data can be assembled to give an integrated picture of the unfolding of this disaster. We have listened to news accounts of the path of the hurricane, the strength of its winds, its point of landfall, and then the impacts on the City of New Orleans, Lake Pontchartrain, and Jefferson Parish. As these events occurred over a period of time, it is useful to look back and create maps of how the events occurred. As time passes, a great deal more data than those shown here will be produced.Once you have completed this exercise, you will have:1. Produced a regional map to show the path of Hurricane Katrina and the variation of the hurricane’s intensity along that path;2. Produced a short report illustrated by maps and charts depicting some aspects of the impact of Hurricane Katrina on the City of New Orleans and region and considering the role for GIS in analysis of such a situation and in planning for disaster prevention.Computer and Data RequirementsProcedure for the AssignmentCEG 795 – Water Resources Modeling and GISExercise (HW) #1: Mapping Hurricane KatrinaDUE: Monday, January 30th [Modified from: David R. Maidment (University of Texas) and David G. Tarboton (Utah StateUniversity)- Goals of the Exercise - Computer and Data Requirements - Procedure for the Assignment 1. Preview the data in ArcCatalog2. View the data in ArcMap3. Adjusting the map display symbology4. Capturing the screen image5. Making a map layout of the hurricane path6. Creating a path line feature class7. Projecting to an X,Y coordinate system8. Creating a Chart9. Do something creativeGoals of the ExerciseHurricane Katrina occurred between 25 – 29 August 2005, and although all the damage and loss of life has yet to be assessed, it is likely that this event will be known as the greatest natural disaster in the history of the United States. Damage occurred from two causes – the onslaught ofhurricane force winds and tidal surges along the coast of Louisiana, Mississippi and Alabama, and the drainage of inland floodwaters back towards the coast – Lake Pontchartrain breached the levees that separated it from the City of New Orleans and the inrush of water filled the city itself,which is located below sea level. For the first time in the history of the nation, a major city has been paralyzed with its citizens being told to evacuate for an indefinite period until the city can be drained and services restored. This is a catastrophe on many levels – in human impact, in economic losses, in lack of foresight, in slow response to the emergency. In the coming months, there will be a great deal of examination as to why and how these failures occurred.The purpose of this exercise is to show how GIS data can be assembled to give an integrated picture of the unfolding of this disaster. We have listened to news accounts of the path of the hurricane, the strength of its winds, its point of landfall, and then the impacts on the City of New Orleans, Lake Pontchartrain, and Jefferson Parish. As these events occurred over a period of time, it is useful to look back and create maps of how the events occurred. As time passes, a greatdeal more data than those shown here will be produced. Once you have completed this exercise, you will have:11. Produced a regional map to show the path of Hurricane Katrina and the variation of the hurricane’s intensity along that path;2. Produced a short report illustrated by maps and charts depicting some aspects of the impact of Hurricane Katrina on the City of New Orleans and region and considering the role for GIS in analysis of such a situation and in planning for disaster prevention.Computer and Data RequirementsTo complete this exercise, you'll need to run ArcGIS 9.1. A geodatabase, exercise1.mdb, with the GIS data has been prepared. It can obtained from the course website http://www.ce.unlv.edu/~piechota. This geodatabase contains two feature datasets, NewOrleans, with data describing the hurricane’s path and the city and water features around New Orleans, and Regional, which contains background data – states of the United States and cities and counties in Louisiana, Mississippi and Alabama.The source of these data is as follows:KatrinaPath is a point feature class created by transcribing data from hurricane reports documented at http://www.nhc.noaa.gov/archive/2005/KATRINA.shtml. A typical report includes:HURRICANE KATRINA ADVISORY NUMBER 25NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL10 PM CDT SUN AUG 28 2005 ...POTENTIALLY CATASTROPHIC HURRICANE KATRINA CONTINUES TO APPROACHTHE NORTHERN GULF COAST...MAXIMUM SUSTAINED WINDS ARE NEAR 160 MPH WITH HIGHER GUSTS. KATRINAIS A CATEGORY FIVE HURRICANE ON THE SAFFIR-SIMPSON SCALE. SOMEFLUCTUATIONS IN STRENGTH ARE LIKELY PRIOR TO LANDFALL...AND KATRINAIS EXPECTED TO MAKE LANDFALL AT EITHER CATEGORY FOUR OR FIVEINTENSITY. WINDS AFFECTING THE UPPER FLOORS OF HIGH-RISE BUILDINGSWILL BE SIGNIFICANTLY STRONGER THAN THOSE NEAR GROUND LEVEL. REPEATING THE 10 PM CDT POSITION...27.6 N... 89.4 W. MOVEMENTTOWARD...NORTH-NORTHWEST NEAR 10 MPH. MAXIMUM SUSTAINEDWINDS...160 MPH. MINIMUM CENTRAL PRESSURE... 904 MB.Data were extracted from these reports each 12 hours at 10AM and 10PM (Central Daylight Time) and compiled as a table, where Latitude and Longitude are the location of the eye of the hurricane in decimal degrees,


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UNLV CEG 795 - Exercise (HW) #1: Mapping Hurricane Katrina

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