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National Integrated Drought Information System Southeast US Pilot for Apalachicola- Chattahooche-Flint River Basin 5 June 2012
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Outline Welcome – Keith Ingram, UF, Southeast Climate Consortium Current drought status and how we got here – David Zierden, FSU, Florida Climate Center Streamflows and groundwater – Chris Smith, USGS Apalachicola Salinity – Jenna Wanat, ANERR Reservoir status and outlook – Bailey Crane, USACE Seasonal outlooks – David Zierden Streamflow forecasts – Todd Hammil, SE River Forecast Center Summary and Discussion
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New Climate and Weather Page http://www.aces.edu/climate/
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Current drought status from Drought Monitor http://www.drought.unl.edu/dm/monitor.html
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7-day Rainfall Totals
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Cumulative Rainfall Deficits Past 30 days Past 180 days http://water.weather.gov/precip/
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Realtime stream flow compared with historical monthly averages Current: http://waterwatch.usgs.gov Previous Brief:
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Below Normal 7-day Average Streamflows Below normal 7-day average streamflow as compared with historical streamflow for day shown http://waterwatch.usgs.gov Current: Previous brief:
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Lake Lanier Inflows http://waterwatch.usgs.gov Chestatee near Dahlonega (02333500) Chattahoochee near Cornelia (02331600)
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Current Streamflows Chattahoochee at West Point (02339500) Flint at Bainbridge (02356000) http://waterwatch.usgs.gov
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Streamflows Apalachicola at Chattahoochee (02358000) http://waterwatch.usgs.gov
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Groundwater Status http://groundwaterwatch.usgs.gov Miller County, GA (Upper Floridan Aquifer)
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Dry Bar Cat Point Apalachicola National Estuarine Research Reserve East Bay
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5-Day Precipitation Forecast http://www.hpc.ncep.noaa.gov/qpf/day1-5.shtml
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3-Month Outlook Precipitation Temperature http://www.cpc.ncep.noaa.gov/products/predictions/30day/
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U.S. Drought Outlook
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Seasonal Hurricane Forecast Colorado State University (Klotzbach and Gray): 10 Named Storms (12 is normal) 4 Hurricanes (6.5 is normal) 2 Major Hurricanes (2 is normal) NOAA 70% chance of 9-15 named storms 4-8 Hurricanes 1-3 Major Hurricanes Alberto
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Formation Regions and Landfalls
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Above Normal Near Normal Below Normal Lake Lanier Inflows Whitesburg West Point Columbus WF George Columbus Woodruff Blountstown Lovejoy Carsonville Albany
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Above Normal Near Normal Below Normal Lake Lanier Inflows Whitesburg West Point Columbus WF George Columbus Woodruff Blountstown Lovejoy Carsonville Albany
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Summary Although Tropical Storm Beryl brought heavy rains to NE Florida and SE Georgia, very little fell in the ACF River Basin so drought continues throughout most of the basin, with significant areas classified as extreme or exceptional Streamflows in the upper basin are in the range of 10 to 24% of historical observations, whereas streamflow levels in the lower basin are below any previous observations Groundwater in Miller County, GA remains in the range of the lowest 10% of historic observations Salinity levels in Apalachicola Bay are near 15 ppt at East Bay Bottom, 25 ppt at Cat Point, and 30 ppt at Dry Bar
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Summary The 5-day outlook for rainfall is fair, with about 2 inches in the southern part of the basin but less than 1 inch in the northern part of the basin. Current ENSO conditions are neutral, but their remains about a 50% chance that El Niño will develop in the fall Both Colorado State U and NOAA forecast similar numbers of tropical storms and hurricanes for this summer, but the forecast does not predict where or whether these storms will make landfall The streamflow forecast for the next 1 and 3 months continues to show a high probability that streamflows will remain below normal
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References Speakers David Zierden, FSU Chris Smith, USGS Jenna Wanat, ANERR Bailey Crane, US ACE Todd Hammil, SERFC Moderator Keith Ingram, UF/SECC Additional information General drought information http://drought.gov http://www.drought.unl.edu General climate and El Niño information http://agroclimate.org/climate/ http://agroclimate.org/climate/ Streamflow monitoring http://waterwatch.usgs.gov Groundwater monitoring http://groundwaterwatch.usgs.gov
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Thank you! Next briefing – 14 June 2012, 1:00 pm EST Slides from this briefing will be posted at http://www.drought.gov/portal/server.pt/community/acfrb http://www.drought.gov/portal/server.pt/community/acfrb New Climate and Weather Page http://www.aces.edu/climate/ Please send comments and suggestions to: ktingram@ufl.edu
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