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NOAA’s National Weather Service

NOAA’s National Weather Service. Burlington Hydro Operations. Greg Hanson Service Hydrologist Northern Adirondacks Rivers Meeting March 1 2006. NOAA’s National Weather Service. Overview. Hydrologic Service Area (HSA) Description Tools Services. Hydrologic Service Area (HSA) Description.

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NOAA’s National Weather Service

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  1. NOAA’s National Weather Service Burlington Hydro Operations Greg Hanson Service Hydrologist Northern Adirondacks Rivers Meeting March 1 2006 NOAA’s National Weather Service

  2. Overview • Hydrologic Service Area (HSA) Description • Tools • Services

  3. Hydrologic Service Area (HSA) Description • Weather and Water Forecasts and Warnings for VT and northern New York • Liaison Office to Vermont • International Coordination with Quebec and Ontario • Extreme Terrain, 100 ft to 5000 ft elevation • Total Population: 900,000

  4. Hydrologic Service Area (HSA) Description • 3 main basins: • Connecticut • 12-24 hour response time • Champlain • 12-24 hour response time • St. Lawrence • days • Nearly all rivers begin and end within HSA

  5. Hydrologic Service Area (HSA) Description • 12 “official” Forecast Points • Over 50 data points • New York gages adding/converting to satellite • All Vermont gages have Satellite DCP • Random reporting at high stages • Some with rain gages

  6. HSA Description Forecast Point Data Point

  7. Overview • Hydrologic Service Area (HSA) Description • Tools

  8. Tools • WFO Hydrologic Forecast System (WHFS)

  9. WHFS

  10. WHFS

  11. Tools • WFO Hydrologic Forecast System • Flash Flood Monitoring and Prediction (FFMP)

  12. Flash Flood Monitoring & Prediction (FFMP)

  13. Tools • WFO Hydrologic Forecast System • Flash Flood Monitoring and Prediction (FFMP) • Site Specific Headwater Model

  14. Site Specific Headwater Model

  15. Tools • Northeast River Forecast Center Support • Forecast guidance • Flash Flood Guidance

  16. Overview • Hydrologic Service Area (HSA) Description • Tools • Services

  17. BTV Hydrologic Services • Daily Hydrologic Forecasts • Text

  18. Daily River and Lake Summary DAILY RIVER AND LAKE SUMMARY NATIONAL WEATHER SERVICE BURLINGTON VT 1125 AM EST SUN FEB 26 2006 DRY WEATHER IS EXPECTED OVER MUCH OF THE REGION THROUGH TUESDAY. AS A RESULT...LITTLE CHANGE ON AREA WATERWAYS IS EXPECTED THROUGH THE PERIOD. SOME RIVER LEVELS ARE AFFECTED BY POWER GENERATION. RIVER GAGE READINGS MAY BE AFFECTED BY ICE. .B BTV 0226 DC06022611 H12/HG/DRH+24/HGIFF/DRH+36/HGIFF/DRH+48/HGIFF : STATION FLOOD 7AM 24-HR 7AM 7PM 7AM : ID NAME STAGE STAGE CHANGE FORECAST FORECAST FORECAST : MON MON TUE :LAKE CHAMPLAIN ROUN6: ROUSES POINT 100.0: 98.10 /: -0.04: 98.00 / 98.00 / 98.00 / : :GREAT CHAZY RIVER CZRN6: PERRY MILLS 9.0: 3.79 /: 0.94: 2.30 / 2.30 / 2.30 / : :SARANAC RIVER PBGN6: PLATTSBURGH 9.0: 4.09 /: 0.15: 3.90 / 3.90 / 3.90 /

  19. BTV Hydrologic Services • Daily Hydrologic Forecasts • Text • AHPS Pages

  20. BTV Hydrologic Services • Daily Hydrologic Forecasts • Text • AHPS Pages • Outlooks

  21. Hydrologic Outlook • Hydrometeorological conditions which could cause flooding beyond 36 hours • Precipitation forecasts or snowmelt potential Ready…

  22. BTV Hydrologic Services • Daily Hydrologic Forecasts • Text • AHPS Pages • Hydrologic Outlook • Flood/Flash Flood Watch

  23. Flood/Flash Flood Watch • Potential for flooding within 36 hours • Flooding neither certain nor imminent • Causative event: • Heavy Rain • Snowmelt • Dambreak • Ice Jams Set…

  24. BTV Hydrologic Services • Daily Hydrologic Forecasts • Text • AHPS Pages • Outlooks • Watches • Warnings • Flood • Flash Flood

  25. Flood/Flash Flood Warning • Flash Flood: • immediate action to protect lives and property • small stream flooding or urban flooding • dam or levee failures • Flood: • immediate response less imperative • Area • Forecast Point GO!!!

  26. BTV Hydrologic Services • Daily Hydrologic Forecasts • Text • AHPS Pages • Outlooks • Watches • Warnings • Flood • Flash Flood • Spring Flood Potential • Drought Statements

  27. Cooperation River/Rain Gage Partnered with FEMA Project Impact, USGS, Ottaquechee Planning Commission Satellite Antenna Rain Gage Project Impact

  28. Support – Waterbury Dam

  29. Other opportunities for support/cooperation in Northern New York? Greg Hanson Service Hydrologist 802-862-8711 ext 234 gregory.hanson@noaa.gov

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