Updating U.S. Precipitation Frequency Estimates for the Southeastern Region

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General Information
Study Number: TPF-5(175)
Former Study Number:
Lead Organization: Federal Highway Administration
Contract Start Date: Apr 10, 2009
Solicitation Number: 988
Partners: AL, FL, GADOT, MS, Southwest Florida Water Management District
Status: Closed
Est. Completion Date: Jan 31, 2013
Contract/Other Number:
Last Updated: Jan 28, 2019
Contract End Date: Sep 30, 2014
Financial Summary
Contract Amount:
Suggested Contribution:
Total Commitments Received: $714,254.00
100% SP&R Approval: Approved
Contact Information
Lead Study Contact(s): Kornel Kerenyi
kornel.kerenyi@dot.gov
Phone: 202-493-3142
FHWA Technical Liaison(s): Kornel Kerenyi
kornel.kerenyi@dot.gov
Phone: 202-493-3142
Study Champion(s): Ginger Griffin
Ginger.Griffin@dot.gov
Phone: 202-493-3022
Organization Year Commitments Technical Contact Name Funding Contact Name
Alabama Department of Transportation 2007 $84,427.00 Michelle Owens Jeff Brown
Alabama Department of Transportation 2008 $84,427.00 Michelle Owens Jeff Brown
Florida Department of Transportation 2008 $180,000.00 Rick Renna Patti Brannon
Georgia Department of Transportation 2007 $55,000.00 Eugene Hopkins Supriya Kamatkar
Georgia Department of Transportation 2008 $55,000.00 Eugene Hopkins Supriya Kamatkar
Georgia Department of Transportation 2009 $55,000.00 Eugene Hopkins Supriya Kamatkar
Mississippi Department of Transportation 2008 $50,000.00 James Watkins
Mississippi Department of Transportation 2009 $108,000.00 James Watkins
Southwest Florida Water Management District 2008 $42,400.00 Gordon McClung Stephanie Yarbrough Dunham

Study Description

In some parts of the country, rainfall maps have not been updated for approximately 50 years. That means we are ignoring the last 50 years of rainfall data in our basic hydrologic estimates for drainage structures. NOAA has updated parts of the country in various volumes of NOAA Atlas 14 with funding through regional climatic centers and other pooled funding arrangements. NOAA's National Weather Service (NWS) proposes updating precipitation frequency estimates for the states not included in NOAA Atlas 14 Volume 1 (AZ, southeast CA, NM, NV, UT), Volume 2 (DE, DC, IL, IN, KY, MD, NC, NJ, OH, PA, SC, TN, VA, WV), and Volume 3 (PR, VI). The proposal includes updating estimates for the Pacific Island dependencies. The updates will be published as subsequent Volumes of NOAA Atlas 14 "Precipitation-Frequency Atlas of the United States"; on the web at www.nws.noaa.gov/ohd/hdsc;. The solicitations are by climatic regions. This particular solicitation is for the Southeastern Region and is of interest to the following States: AL, FL, GA and MS.

Objectives

The purpose of this study is to determine annual exceedance probabilities (AEP) and average recurrence intervals (ARI) for durations ranging from 5 minutes to 60 days and for ARIs from 1 to 1,000 years. The point estimates will be spatially interpolated to a spatial resolution of approximately 4km x 4 km. The study results will be published as volumes of NOAA Atlas 14, a wholly web based publication available at www.nws.noaa.gov/ohd/hdsc. The publication will include the artifacts provided in Volumes 1 and 2 including access through the Precipitation Frequency Data Server, base grids in standard formats, electronic copies of maps, results of trend analyses, charts of seasonal distributions and probabilistic temporal distributions, and detailed documentation. Updated areal reduction factors are being developed as a separate appendix to NOAA Atlas 14 for the entire U.S. including Alaska.The project will review and process all reasonably available rainfall data. It is recognized that the rainfall data archived by NOAA's National Climatic Data Center (NCDC) may not be sufficient to accomplish the objectives of this project. Therefore, other data available from sources such as State Climatologists and other Federal, State and local agencies will be examined and included if appropriate. The state of the art techniques and processes developed and applied for NOAA Atlas 14 Volumes 1 and 2 will be applied. They include regional frequency analysis based on L-moments including error estimates, a combination of PRISM based techniques and CRAB for spatial interpolation, techniques for the analysis of climatic trend, temporal distribution and seasonality, internal consistency checks and variety of automated processes designed to enhance productivity. Intermediate results in the form of hourly and daily estimates at several ARIs will be distributed for peer review as will the final documentation.

Scope of Work

The attached proposed Statement of Work by NOAA provides detailed information on the following: Task 1 - Data Collection and Quality Control Task 2 - Regionalization Task 3 - Frequency Distribution Selection and Fitting Studies Task 4 - Frequency Calculations Task 5 - Short Duration Estimates Task 6 - Internal Consistency at Observing Locations Task 7 - Spatial Interpolation and Consistency Task 8 - Mapping and other Spatial Artifacts Task 9 - Temporal Distributions Task 10 - Peer Reviews Task 11 - Documentation Task 12 - Final Deliverables Task 13 - Status Reporting

Comments

Commitments required: $760,000 with the following estimate by States: AL($202,950), FL ($191,090), GA ($186,908), MS($178,830)

Subjects: Bridges, Other Structures, and Hydraulics and Hydrology Energy and Environment

Documents Attached
Title File/Link Document Category Document Type Privacy Document Date Download
TPF-5(175) Atlas 14 Volume 9 Report TPF-5(175) Atlas14-Volume9 Report.pdf TPF Study Documentation Research Report Public 2019-02-04
TPF-5(175) Closeout Funding Spreadsheet TPF-5(175) Closeout Funding Spreadsheet.pdf Other Other Public 2019-01-30
TPF-5(175) Closeout Letter TPF-5(175) Closeout Letter - Signed.pdf Memorandum Other Public 2019-01-30
Progress Report: April - June 2014 PR TPF-5(175) TPF-5(186), TPF-5(187) and TPF-5(249) for Apr to Jun 2014.pdf Progress Report Quarterly Progress Report Public 2014-08-09
Progress Report: January - March 2014 PR TPF-5(175) TPF-5(186), TPF-5(187) and TPF-5(249) for Jan to Mar 2014.pdf Progress Report Quarterly Progress Report Public 2014-05-01
Progress Report: October - December 2013 PR TPF-5(175) TPF-5(186), TPF-5(187) and TPF-5(249) for Oct to Dec 2013.pdf Progress Report Quarterly Progress Report Public 2014-02-26
Progress Report: July - September 2013 PR TPF-5(175) TPF-5(186), TPF-5(187) and TPF-5(249) for Jul to Sep 2013.pdf Progress Report Quarterly Progress Report Public 2013-11-02
Progress Report: April - June 2013 PR TPF-5(175) TPF-5(186), TPF-5(187) and TPF-5(249) for Apr to Jun 2013.pdf Progress Report Quarterly Progress Report Public 2013-07-29
Progress Report: January - March 2013 PR TPF-5(175) TPF-5(186), TPF-5(187) and TPF-5(249) for Jan to Mar 2013.pdf Progress Report Quarterly Progress Report Public 2013-04-29
Progress Report: October - December 2012 PR TPF-5(175) TPF-5(186), TPF-5(187) and TPF-5(249) for Oct to Dec 2012.pdf Progress Report Quarterly Progress Report Public 2013-02-01
Progress Report: July - September 2012 PR TPF-5(175) TPF-5(186), TPF-5(187) and TPF-5(249) for Jul to Sep 2012.pdf Progress Report Quarterly Progress Report Public 2012-10-31
Progress Report: April - June 2012 PR TPF-5(175) TPF-5(186), TPF-5(187) and TPF-5(249) for Apr to Jun 2012.pdf Progress Report Quarterly Progress Report Public 2012-07-27
Progress Report: January - March 2012 PR TPF-5(175) TPF-5(186), TPF-5(187) and TPF-5(249) for Jan to Mar 2012.pdf Progress Report Quarterly Progress Report Public 2012-04-26
Progress Report: October - December 2011 PR TPF-5(175) TPF-5(186), TPF-5(187) and TPF-5(249) for Oct to Dec 2011.pdf Progress Report Quarterly Progress Report Public 2012-01-31
Progress Report: July - September 2011 PR TPF-5(175) TPF-5(186), TPF-5(187) and TPF-5(249) for Jul to Sep 2011.pdf Progress Report Quarterly Progress Report Public 2011-10-25
Progress Report: April - June 2011 Quarterly_Report_2011-06.pdf Progress Report Quarterly Progress Report Public 2011-08-02
Progress Report: July - September 2010 JultoSep2010.pdf Progress Report Quarterly Progress Report Public 2010-12-07
Progress Report: January - March 2011 PR TPF-5(175)TPF-5(186) and TPF-5(187) for Jan to Mar 2011.pdf Progress Report Quarterly Progress Report Public 2011-05-03
Quarterly Report: October 2010 - December 2010 http://www.pooledfund.org/documents/PR TPF-5(175) TPF-5(186) and TPF-5(187) for Oct to Dec 2010.pdf Progress Report Quarterly Progress Report Public 2011-04-11
Progress Report: April - June 2010 PR_TPF-5(175)_TPF-5(186)andTPF-5(187)_for_Apr_to_Jun2010.pdf Progress Report Quarterly Progress Report Public 2010-07-28
Progress Report: January- March 2010 report_jan_march.PDF Progress Report Quarterly Progress Report Public 2010-04-27
Progress Report: October- December 2009 report_Oct09.pdf Progress Report Quarterly Progress Report Public 2010-04-27
Progress Report: July - September 2009 Quarterly_Report_2009-09.pdf Progress Report Quarterly Progress Report Public 2009-11-04
Progress Report: April - June 2009 Quarterly_Report_2009-06.pdf Progress Report Quarterly Progress Report Public 2009-07-27
Progress Report: January - March 2009 Quarterly_Report_2009-03.pdf Progress Report Quarterly Progress Report Public 2009-04-23
Progress Report: October - December 2008 Quarterly_Report_2008-12.pdf Progress Report Quarterly Progress Report Public 2009-01-08
Progress Report: July - September 2008 Quarterly_Report_2008-09.pdf Progress Report Quarterly Progress Report Public 2008-11-03
Progress Report: April - June 2008 Quarterly_Report_2008-06.pdf Progress Report Quarterly Progress Report Public 2008-07-31
Acceptance Memo Acceptance_Memo.PDF Memorandum Other Public 2008-07-25
Documents Attached
Title File/Link Document Category Document Type Privacy Document Date Download
Updating U.S. Precipitation Frequency Estimates for the Southeastern Region 980-994.pdf TPF Study Documentation Solicitation Public 2011-09-25

Updating U.S. Precipitation Frequency Estimates for the Southeastern Region

General Information
Study Number: TPF-5(175)
Lead Organization: Federal Highway Administration
Contract Start Date: Apr 10, 2009
Solicitation Number: 988
Partners: AL, FL, GADOT, MS, Southwest Florida Water Management District
Status: Closed
Est. Completion Date: Jan 31, 2013
Contract/Other Number:
Last Updated: Jan 28, 2019
Contract End Date: Sep 30, 2014
Financial Summary
Contract Amount:
Total Commitments Received: $714,254.00
100% SP&R Approval:
Contact Information
Lead Study Contact(s): Kornel Kerenyi
kornel.kerenyi@dot.gov
Phone: 202-493-3142
FHWA Technical Liaison(s): Kornel Kerenyi
kornel.kerenyi@dot.gov
Phone: 202-493-3142
Commitments by Organizations
Organization Year Commitments Technical Contact Name Funding Contact Name Contact Number Email Address
Alabama Department of Transportation 2007 $84,427.00 Michelle Owens Jeff Brown 334-353-6941 brownje@dot.state.al.us
Alabama Department of Transportation 2008 $84,427.00 Michelle Owens Jeff Brown 334-353-6941 brownje@dot.state.al.us
Florida Department of Transportation 2008 $180,000.00 Rick Renna Patti Brannon 850-414-4616 patti.brannon@dot.state.fl.us
Georgia Department of Transportation 2007 $55,000.00 Eugene Hopkins Supriya Kamatkar 404-347-0552 skamatkar@dot.ga.gov
Georgia Department of Transportation 2008 $55,000.00 Eugene Hopkins Supriya Kamatkar 404-347-0552 skamatkar@dot.ga.gov
Georgia Department of Transportation 2009 $55,000.00 Eugene Hopkins Supriya Kamatkar 404-347-0552 skamatkar@dot.ga.gov
Mississippi Department of Transportation 2008 $50,000.00 James Watkins 601-359-7650 jwatkins@mdot.state.ms.us
Mississippi Department of Transportation 2009 $108,000.00 James Watkins 601-359-7650 jwatkins@mdot.state.ms.us
Southwest Florida Water Management District 2008 $42,400.00 Gordon McClung Stephanie Yarbrough Dunham 352-796-7211 stephanie.dunham@swfwmd.state.fl.us

Study Description

Study Description

In some parts of the country, rainfall maps have not been updated for approximately 50 years. That means we are ignoring the last 50 years of rainfall data in our basic hydrologic estimates for drainage structures. NOAA has updated parts of the country in various volumes of NOAA Atlas 14 with funding through regional climatic centers and other pooled funding arrangements. NOAA's National Weather Service (NWS) proposes updating precipitation frequency estimates for the states not included in NOAA Atlas 14 Volume 1 (AZ, southeast CA, NM, NV, UT), Volume 2 (DE, DC, IL, IN, KY, MD, NC, NJ, OH, PA, SC, TN, VA, WV), and Volume 3 (PR, VI). The proposal includes updating estimates for the Pacific Island dependencies. The updates will be published as subsequent Volumes of NOAA Atlas 14 "Precipitation-Frequency Atlas of the United States"; on the web at www.nws.noaa.gov/ohd/hdsc;. The solicitations are by climatic regions. This particular solicitation is for the Southeastern Region and is of interest to the following States: AL, FL, GA and MS.

Objectives

The purpose of this study is to determine annual exceedance probabilities (AEP) and average recurrence intervals (ARI) for durations ranging from 5 minutes to 60 days and for ARIs from 1 to 1,000 years. The point estimates will be spatially interpolated to a spatial resolution of approximately 4km x 4 km. The study results will be published as volumes of NOAA Atlas 14, a wholly web based publication available at www.nws.noaa.gov/ohd/hdsc. The publication will include the artifacts provided in Volumes 1 and 2 including access through the Precipitation Frequency Data Server, base grids in standard formats, electronic copies of maps, results of trend analyses, charts of seasonal distributions and probabilistic temporal distributions, and detailed documentation. Updated areal reduction factors are being developed as a separate appendix to NOAA Atlas 14 for the entire U.S. including Alaska.The project will review and process all reasonably available rainfall data. It is recognized that the rainfall data archived by NOAA's National Climatic Data Center (NCDC) may not be sufficient to accomplish the objectives of this project. Therefore, other data available from sources such as State Climatologists and other Federal, State and local agencies will be examined and included if appropriate. The state of the art techniques and processes developed and applied for NOAA Atlas 14 Volumes 1 and 2 will be applied. They include regional frequency analysis based on L-moments including error estimates, a combination of PRISM based techniques and CRAB for spatial interpolation, techniques for the analysis of climatic trend, temporal distribution and seasonality, internal consistency checks and variety of automated processes designed to enhance productivity. Intermediate results in the form of hourly and daily estimates at several ARIs will be distributed for peer review as will the final documentation.

Scope of Work

The attached proposed Statement of Work by NOAA provides detailed information on the following: Task 1 - Data Collection and Quality Control Task 2 - Regionalization Task 3 - Frequency Distribution Selection and Fitting Studies Task 4 - Frequency Calculations Task 5 - Short Duration Estimates Task 6 - Internal Consistency at Observing Locations Task 7 - Spatial Interpolation and Consistency Task 8 - Mapping and other Spatial Artifacts Task 9 - Temporal Distributions Task 10 - Peer Reviews Task 11 - Documentation Task 12 - Final Deliverables Task 13 - Status Reporting

Comments

Commitments required: $760,000 with the following estimate by States: AL($202,950), FL ($191,090), GA ($186,908), MS($178,830)

Subjects: Bridges, Other Structures, and Hydraulics and Hydrology Energy and Environment

Title File/Link Type Private
TPF-5(175) Atlas 14 Volume 9 Report TPF-5(175) Atlas14-Volume9 Report.pdf TPF Study Documentation Public
TPF-5(175) Closeout Funding Spreadsheet TPF-5(175) Closeout Funding Spreadsheet.pdf Other Public
TPF-5(175) Closeout Letter TPF-5(175) Closeout Letter - Signed.pdf Memorandum Public
Progress Report: April - June 2014 PR TPF-5(175) TPF-5(186), TPF-5(187) and TPF-5(249) for Apr to Jun 2014.pdf Progress Report Public
Progress Report: January - March 2014 PR TPF-5(175) TPF-5(186), TPF-5(187) and TPF-5(249) for Jan to Mar 2014.pdf Progress Report Public
Progress Report: October - December 2013 PR TPF-5(175) TPF-5(186), TPF-5(187) and TPF-5(249) for Oct to Dec 2013.pdf Progress Report Public
Progress Report: July - September 2013 PR TPF-5(175) TPF-5(186), TPF-5(187) and TPF-5(249) for Jul to Sep 2013.pdf Progress Report Public
Progress Report: April - June 2013 PR TPF-5(175) TPF-5(186), TPF-5(187) and TPF-5(249) for Apr to Jun 2013.pdf Progress Report Public
Progress Report: January - March 2013 PR TPF-5(175) TPF-5(186), TPF-5(187) and TPF-5(249) for Jan to Mar 2013.pdf Progress Report Public
Progress Report: October - December 2012 PR TPF-5(175) TPF-5(186), TPF-5(187) and TPF-5(249) for Oct to Dec 2012.pdf Progress Report Public
Progress Report: July - September 2012 PR TPF-5(175) TPF-5(186), TPF-5(187) and TPF-5(249) for Jul to Sep 2012.pdf Progress Report Public
Progress Report: April - June 2012 PR TPF-5(175) TPF-5(186), TPF-5(187) and TPF-5(249) for Apr to Jun 2012.pdf Progress Report Public
Progress Report: January - March 2012 PR TPF-5(175) TPF-5(186), TPF-5(187) and TPF-5(249) for Jan to Mar 2012.pdf Progress Report Public
Progress Report: October - December 2011 PR TPF-5(175) TPF-5(186), TPF-5(187) and TPF-5(249) for Oct to Dec 2011.pdf Progress Report Public
Progress Report: July - September 2011 PR TPF-5(175) TPF-5(186), TPF-5(187) and TPF-5(249) for Jul to Sep 2011.pdf Progress Report Public
Progress Report: April - June 2011 Quarterly_Report_2011-06.pdf Progress Report Public
Progress Report: January - March 2011 PR TPF-5(175)TPF-5(186) and TPF-5(187) for Jan to Mar 2011.pdf Progress Report Public
Quarterly Report: October 2010 - December 2010 http://www.pooledfund.org/documents/PR TPF-5(175) TPF-5(186) and TPF-5(187) for Oct to Dec 2010.pdf Progress Report Public
Progress Report: July - September 2010 JultoSep2010.pdf Progress Report Public
Progress Report: April - June 2010 PR_TPF-5(175)_TPF-5(186)andTPF-5(187)_for_Apr_to_Jun2010.pdf Progress Report Public
Progress Report: October- December 2009 report_Oct09.pdf Progress Report Public
Progress Report: January- March 2010 report_jan_march.PDF Progress Report Public
Progress Report: July - September 2009 Quarterly_Report_2009-09.pdf Progress Report Public
Progress Report: April - June 2009 Quarterly_Report_2009-06.pdf Progress Report Public
Progress Report: January - March 2009 Quarterly_Report_2009-03.pdf Progress Report Public
Progress Report: October - December 2008 Quarterly_Report_2008-12.pdf Progress Report Public
Progress Report: July - September 2008 Quarterly_Report_2008-09.pdf Progress Report Public
Progress Report: April - June 2008 Quarterly_Report_2008-06.pdf Progress Report Public
Acceptance Memo Acceptance_Memo.PDF Memorandum Public
Title File/Link Type Private
Updating U.S. Precipitation Frequency Estimates for the Southeastern Region 980-994.pdf TPF Study Documentation Public

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