GIS Resources For GIS Resources For Emergency ManagementEmergency Management

Randy KnippelRandy Knippel

Dakota CountyDakota County

GIS For Emergency GIS For Emergency ManagementManagement

• Damage Damage assessmentassessment

• StatusStatus• Resource Resource

deploymentdeployment

• AnalysisAnalysis• PlanningPlanning

Maps!Maps!

AgendaAgenda

• Emergency Response MapsEmergency Response Maps

• The U.S. National GridThe U.S. National Grid

• ExercisesExercises

Emergency Response MapsEmergency Response Maps

Map BookMap Book

Map Map LegendLegend

Map Map IndexIndex

Map PagesMap Pages

Map Map 74567456

Street IndexStreet Index

Street Street IndexIndex

Dana Dr.Dana Dr.

United States National GridUnited States National Grid(USNG)(USNG)

• National standard since 2001National standard since 2001• Adopted by federal agenciesAdopted by federal agencies

– FEMA, DHS, NGA, USGSFEMA, DHS, NGA, USGS

• Adopted by several statesAdopted by several states– Florida, Missouri, North Carolina, othersFlorida, Missouri, North Carolina, others– Minnesota (March 25, 2009)Minnesota (March 25, 2009)

• Military Grid Referencing SystemMilitary Grid Referencing System– Metric systemMetric system

Why?Why?

• Multiple gridsMultiple grids– Needed one for everyoneNeeded one for everyone

• Need efficient location referencingNeed efficient location referencing

• Need interoperabilityNeed interoperability– Across jurisdictionsAcross jurisdictions– Local, state, federal, militaryLocal, state, federal, military

What about Lat / Long?What about Lat / Long?

• Not intuitiveNot intuitive– Degrees, minutes, secondsDegrees, minutes, seconds

• Several formatsSeveral formats– DMS, DMS.sss, DM.mmm, D.dddDMS, DMS.sss, DM.mmm, D.ddd– LongitudeLongitude

• + / -+ / -• West / eastWest / east• Increases right to leftIncreases right to left

What about Lat / Long?What about Lat / Long?

• How big is a degree?How big is a degree?– It variesIt varies

• 69 miles at the equator69 miles at the equator• Longitude gets smaller toward polesLongitude gets smaller toward poles• 50 miles in Dakota County50 miles in Dakota County

• Distance calculations are difficultDistance calculations are difficult

Grid Zone Designation (GZD)Grid Zone Designation (GZD) 6 x 8 Degrees 6 x 8 Degrees

100 Km Squares100 Km Squares

10 Km Squares10 Km Squares

USNG:15T VK 75USNG:15T VK 75

1 Km Squares1 Km Squares

MapMap74567456

(15T VK 74 56)(15T VK 74 56)

MapMapVK75VK75

74567456

USNG ComponentsUSNG Components

• 15TVK738915116215TVK7389151162

• 15T VK 73891 5116215T VK 73891 51162

• GZD 100K XXXXX YYYYYGZD 100K XXXXX YYYYY

741565741565(15T VK 741 565)(15T VK 741 565)

MapMap74567456

(15T VK 74 56)(15T VK 74 56)

ScalableScalable

NationalNational

RegionalRegional

LocalLocal

Precision and TruncationPrecision and Truncation

• 18SUJ2337106519 18SUJ2337106519 – 18S UJ 23371 0651918S UJ 23371 06519

• 1 meter precision, full USNG designation1 meter precision, full USNG designation

– UJ2306UJ2306• Assume GZD (18S)Assume GZD (18S)• UJ – 100,000 m precision (100 km square)UJ – 100,000 m precision (100 km square)• 23 06 – 1000 m precision (1 km square)23 06 – 1000 m precision (1 km square)

– 2337 06512337 0651• 10 m precision10 m precision• Assume GZD and 100 km squareAssume GZD and 100 km square

Truncating GZDTruncating GZD

USNG:15T VK (100Km square)VK is unique for 800 miles

in any direction

USNG:15T VK (100Km square)VK is unique for 800 miles

in any direction

Critical InfrastructureCritical InfrastructureKey ResourcesKey Resources

Vulnerable PopulationVulnerable Population

DeploymentDeployment

• Standard map productsStandard map products– Seamless across jurisdictionsSeamless across jurisdictions

• Common Operating PictureCommon Operating Picture– Critical infrastructureCritical infrastructure– Key ResourcesKey Resources– Vulnerable populationVulnerable population

• TrainingTraining• Use the USNGUse the USNG

Read right, then up!Read right, then up!

The Romer ScaleThe Romer Scale

Read right, then up!Read right, then up!

Examples – Examples – VK86

• What is at 15T VK 869 628?What is at 15T VK 869 628?– Eagan City HallEagan City Hall

ExamplesExamples

• What is at 15T VK 8360 6361?What is at 15T VK 8360 6361?– tanktank

ExamplesExamples

• What is at 15T VK 8259 6084?What is at 15T VK 8259 6084?– ChurchChurch

ExamplesExamples

• Describe 15T VK 8417 6473?Describe 15T VK 8417 6473?– Railroad trackRailroad track

ExamplesExamples

• What map book page covers the 35E & What map book page covers the 35E & 494 interchange?494 interchange?– 88678867

Examples - Examples - Mapbook

• Find 1449 Loan Oak Ln. at 863 662Find 1449 Loan Oak Ln. at 863 662

• Find it on VK86Find it on VK86

ExamplesExamples

• What is at 15T VK 887 664?What is at 15T VK 887 664?– Lexington ParkLexington Park

ExamplesExamples

• What is at 15T VK 864 659?What is at 15T VK 864 659?– Pilot Knob ElementaryPilot Knob Elementary

ExamplesExamples

• What is at 15T VK 8740 6575?What is at 15T VK 8740 6575?– Trail intersectionTrail intersection

ExamplesExamples

• What is the address at 15T VK 8718 6534What is the address at 15T VK 8718 6534– 1321 Jurdy Rd.1321 Jurdy Rd.