Download - GIS in Hydrology Through a Broadcast Medium
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Maureen McCann Maureen McCann CE 394 Term CE 394 Term
Project Project November 30, November 30,
20102010
GIS in Hydrology GIS in Hydrology Through a Through a
Broadcast MediumBroadcast Medium
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Central Texas = Flash Flood Alley
Source: The Flood Safety Education Project
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What’s the worst type of
weatherin Texas?
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Turn Around, Don’t Drown!Turn Around, Don’t Drown!
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News 8 Austin Severe News 8 Austin Severe Weather CoverageWeather Coverage
•Severe T’storm and Tornado Severe T’storm and Tornado WARNINGSWARNINGS
•Significant Flood EventsSignificant Flood Events
•Maintain “first on, last off” coverageMaintain “first on, last off” coverage
•Meteorologist(s) in the studio, Meteorologist(s) in the studio, reporters in the fieldreporters in the field
•Social media interactionSocial media interaction
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Our Coverage AreaOur Coverage Area
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What do we use now?What do we use now?• National Weather Service, NOAA National Weather Service, NOAA
BranchesBranches• LCRALCRA• CoCoRAHsCoCoRAHs• News 8 Weather WatchersNews 8 Weather Watchers• WSI SuiteWSI Suite
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What would be useful?What would be useful?• Accessing GIS data in TV graphics to Accessing GIS data in TV graphics to
enhance coverage and provide enhance coverage and provide viewers with pertinent informationviewers with pertinent information
GIS
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WISH LISTWISH LIST• Collaborated with Dr. Maidment, Collaborated with Dr. Maidment,
Chief Meteorologist, ESRI Chief Meteorologist, ESRI professionals, held workshops…professionals, held workshops…
• How could we combine…How could we combine…
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NEXRAD/Precip dataNEXRAD/Precip data• Time-based estimatesTime-based estimates• Manually corrected rainfall estimatesManually corrected rainfall estimates
Source: CRWR Group Maps, ArcGIS.com
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NEXRAD data sitesNEXRAD data sites
Source: NWIS precip map, Scoffield
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Ground ObservationsGround Observations• Surface dataSurface data• ASOS/AWOS sitesASOS/AWOS sites• CoCoRAHsCoCoRAHs• Mesonet data Mesonet data (LCRA, Brazos River, (LCRA, Brazos River, Guadalupe River, Guadalupe River, Brushy Creek, etc)Brushy Creek, etc)
Source: Upper Brushy Creek WCID
Source: West Texas Mesonet
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Flood InfoFlood Info• Stream gauges: Stream gauges:
LCRA, USGS, other LCRA, USGS, other water authoritieswater authorities
• Inundation levelsInundation levels• Hypothetical flood Hypothetical flood
scenarios scenarios • Flood history/ Flood history/
comparable eventscomparable events
Source: CRWR Group Maps, ArcGIS.com
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Real-Time Data AccessReal-Time Data Access
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Low Water CrossingsLow Water Crossings• Usually prone sitesUsually prone sites• Alternative routesAlternative routes• Road closuresRoad closures• TXDot dataTXDot data
Source: Hays County Online
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Low Water Crossings: Low Water Crossings: Travis, Hays Co.Travis, Hays Co.
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Emergency ResponseEmergency Response• Live data from emergency response Live data from emergency response
showing where rescues are occurring showing where rescues are occurring (from real-time fire call data?)(from real-time fire call data?)
• Available shelters?Available shelters?
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TXDOT Mapping DataTXDOT Mapping Data
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Social MediaSocial Media• Twitter/FacebookTwitter/Facebook• #hashtags relevant to the weather #hashtags relevant to the weather
event (#TXwx, #weather, #Hermine event (#TXwx, #weather, #Hermine etc)etc)
• tweets by geographical proximitytweets by geographical proximity• Photos/live web cams where available, Photos/live web cams where available,
geotaggedgeotagged• News 8 Weather stationsNews 8 Weather stations
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Next StepsNext Steps• Combine all of these ideas into a Combine all of these ideas into a
usable interface – toggle between data usable interface – toggle between data sourcessources
• Written in one language… WaterML?Written in one language… WaterML?• Merge GIS to TV Weather Vendor Merge GIS to TV Weather Vendor
graphics (WSI, Weather Central, graphics (WSI, Weather Central, AccuWeather etc)AccuWeather etc)
• Use on air!Use on air!
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For More InformationFor More Information
http://news8austin.com/weatherhttp://news8austin.com/weather
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Thank you!Thank you!Maureen McCannMaureen McCann
AMS Certified Broadcast MeteorologistAMS Certified Broadcast Meteorologist
[email protected] [email protected]
@maureenmccann8@maureenmccann8