Flood Warning Systems and CRS Credit · 2017. 3. 22. · Models run every two hours. ... Sisar...
Transcript of Flood Warning Systems and CRS Credit · 2017. 3. 22. · Models run every two hours. ... Sisar...
Public Works Agency
Ventura County
Watershed
Protection District
Watershed
Resources and
Technology Division
Flood Warning Systems and
CRS Credit
Presented to:
AUG 2016 Workshop
Bruce Rindahl, Manager – WR&T Division
Visual 320.2Visual 600-2
610 Flood Warning and Response
611.b Activity credit criteria
(1) First four elements: must have credit from each
(2) Description of the flood hazard
(Could be in floodplain management/mitigation plan)
(3) Flood inundation map
(4) Adopted warning and response plan
(5) Outreach project
Manual Pages 610-3 – 4
610 – Flood Warning and Response
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VCAHPS(Ventura County Advanced Hydrological Prediction System)
NWS River Forecast Center stream
forecasts at 5 locations
QPF estimates at 92 locations in Ventura
County (private contract).
HEC-1/HEC-HMS Hydrologic Model
HSPF Hydrologic Model
Flood Warning System Network
Graphical Decision Support Tools
Ventura County Watershed Protection District – Watershed Resources and Technology DivisionThursday, Oct. 20 2016
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Flood Warning System Network
Ventura County Watershed Protection District – Watershed Resources and Technology DivisionThursday, Oct. 20 2016
Automated rainfall, stream flow and weather stations.
ALERT, APCD, and GOES communication.
Data is processed every two minutes for models and display.
Models run every two hours.
Multiple displays use the same data set.
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Precipitation Display
Ventura County Watershed Protection District – Watershed Resources and Technology DivisionThursday, Oct. 20 2016
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Document Institutional
Knowledge
Ventura County Watershed Protection District – Watershed Resources and Technology DivisionThursday, Oct. 20 2016
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Flood Threat Recognition
Ventura County Watershed Protection District – Watershed Resources and Technology DivisionThursday, Oct. 20 2016
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Flood Threat Recognition
Ventura County Watershed Protection District – Watershed Resources and Technology DivisionThursday, Oct. 20 2016
Watercourse Hazard Warning Criteria VCAHPS/Gages F/O Structures
Santa Clara River Floodplain River Stage/Flow 707, 723, 724, 725 Both 302
Hopper Canyon Floodplain/Alluvial River Stage/Flow, Rain Intensity 701, Rain 409 Both 11
Pole Creek Upland/Floodplain River Stage/Flow 713 Both 0
Santa Paula Creek Upland/Floodplain River Stage/Flow 709 Both 7
Fagan Canyon Upland/Urban Rain Intensity 725, Rain 245, 406 Both 0
Todd Barranca Upland/Floodplain River Stage/Flow, Rain Intensity 738, Rain 175, 225 Fcst 65
Ellsworth Barranca Upland/Floodplain River Stage/Flow 731 Both 24
Harmon Barranca Upland/Floodplain River Stage/Flow 732 Fcst 0
Moon Ditch Urban/Upland River Stage/Flow, Rain Intensity MO-VEN, Rain 222 Both 0
El Rio Drain Urban/Upland River Stage/Flow, Rain Intensity MO-OXN, Rain 239 Both 0
Edwards Canyon Upland Rain Intensity Rain 106 Obs 8
Real-Warring Cyn Upland Rain Intensity Rain 106 Obs 15
Torrey Canyon Upland Rain Intensity Rain 242 Obs 5
Shields Canyon Upland Rain Intensity Rain 171 Obs 6
Bosolo Ditch Upland Rain Intensity Rain 199, 171 Obs 4
Grimes Canyon Upland Rain Intensity Rain 199, 171 Obs 40
Bardsdale Ditch Upland Rain Intensity Rain 199, 171 Obs 41
Reimer Ditch Upland Rain Intensity Rain 199 Obs 13
O’Leary Creek Upland Rain Intensity Rain 199 Obs 8
Balcom Cyn Wash Upland Rain Intensity Rain 238 Obs 5
Boisey/Timber Cyn Upland Rain Intensity Rain 245 Obs 12
Orcutt Canyon Upland Rain Intensity Rain 245 Obs 24
Sisar Creek Upland Rain Intensity Rain 065, 163, 173 Obs 37
Adams Barranca Upland Rain Intensity Rain 245, 406 Obs 13
Haines Barranca Upland Rain Intensity Rain 406, 175 Obs 10
All other Creeks Upland Rain Intensity Various Rain Obs 7
Total 657
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VCAHPS Displays
Ventura County Watershed Protection District – Watershed Resources and Technology DivisionThursday, Oct. 20 2016
Color coded threat levels.
Rainfall, streamflow and forecasts
Color coded action levels and SOP.
Interactive mapping.
Links to supplemental information
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Streamflow Displays
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Slide 11Ventura County Watershed Protection District – Watershed Resources and Technology DivisionThursday, Oct. 20 2016
Visual 320.12Visual 600-12
610 – Flood Warning and Response
Visual 320.13Visual 600-13
610 – Flood Warning and Response
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Slide 14Ventura County Watershed Protection District – Watershed Resources and Technology DivisionThursday, Oct. 20 2016
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Slide 15Ventura County Watershed Protection District – Watershed Resources and Technology DivisionWednesday, Sept. 21 2016
Visual 320.16Visual 600-16
612.b Emergency warning dissemination (EWD)
Credit criteria
(1) Meet activity credit criteria
(2) Must reach people in a timely manner
(3) Testing
Credit points
Cumulative
Max: 75
Manual Pages 610-8 – 9
610 – Flood Warning and Response
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Slide 17
Twitter Alarm Notification
Ventura County Watershed Protection District – Watershed Resources and Technology DivisionThursday, Oct. 20 2016
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Twitter Alarm Notification
Ventura County Watershed Protection District – Watershed Resources and Technology DivisionThursday, Oct. 20 2016
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Slide 19
Twitter Alarm Heatmap
Ventura County Watershed Protection District – Watershed Resources and Technology DivisionThursday, Oct. 20 2016
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Slide 20
Getting the word out
Ventura County Watershed Protection District – Watershed Resources and Technology DivisionThursday, Oct. 20 2016
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Slide 21
What can go wrong?
Ventura County Watershed Protection District – Watershed Resources and Technology DivisionThursday, Oct. 20 2016
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Slide 22
What can go wrong?
Ventura County Watershed Protection District – Watershed Resources and Technology DivisionThursday, Oct. 20 2016
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Slide 23
What can go wrong?
Ventura County Watershed Protection District – Watershed Resources and Technology DivisionWednesday, Sept 21, 2016
Public Works Agency
Ventura County
Watershed
Protection District
Watershed
Resources and
Technology Division
Flood Warning Systems and
CRS Credit
Presented to:
AUG 2016 Workshop
Bruce Rindahl, Manager – WR&T Division