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        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>DR DAVID GOCHIS</PersonNm>
        <TitleTxt>COUNCILOR</TitleTxt>
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        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>0</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>DR ADAM SOBEL</PersonNm>
        <TitleTxt>COUNCILOR</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>DR ROGER WAKIMOTO</PersonNm>
        <TitleTxt>ACTING PRESIDENT, PRESIDENT-ELECT</TitleTxt>
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        <IndividualTrusteeOrDirectorInd>X</IndividualTrusteeOrDirectorInd>
        <OfficerInd>X</OfficerInd>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      </Form990PartVIISectionAGrp>
      <Form990PartVIISectionAGrp>
        <PersonNm>DR KEITH L SEITTER</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR</TitleTxt>
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        <OfficerInd>X</OfficerInd>
        <ReportableCompFromOrgAmt>267642</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>48758</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>DR PAUL A HIGGINS</PersonNm>
        <TitleTxt>POLICY DIRECTOR</TitleTxt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>WILLIAM HOOKE</PersonNm>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>KENNETH F HEIDEMAN</PersonNm>
        <TitleTxt>PUBLICATIONS DIRECTOR</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
        <OtherCompensationAmt>33795</OtherCompensationAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>JOSEPH BOYD</PersonNm>
        <TitleTxt>CONTROLLER</TitleTxt>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>WENDY ABSHIRE</PersonNm>
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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <TotalReportableCompFromOrgAmt>964844</TotalReportableCompFromOrgAmt>
      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
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      <CompensationFromOtherSrcsInd>0</CompensationFromOtherSrcsInd>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>DARTMOUTH JOURNAL SERVICES</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
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            <StateAbbreviationCd>VT</StateAbbreviationCd>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
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        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>705 PIKE STREET</AddressLine1Txt>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>THE SHERIDAN PRESS</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>AMERICAN ASSOCIATION FOR THE ADVANCEMENT</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>1200 NEW YORK AVE NW</AddressLine1Txt>
            <CityNm>WASHINGTON</CityNm>
            <StateAbbreviationCd>DC</StateAbbreviationCd>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
            <BusinessNameLine1Txt>ALLEN PRESS</BusinessNameLine1Txt>
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        </ContractorName>
        <ContractorAddress>
          <USAddress>
            <AddressLine1Txt>810 EAST 10TH STREET</AddressLine1Txt>
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            <StateAbbreviationCd>KS</StateAbbreviationCd>
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      <CntrctRcvdGreaterThan100KCnt>5</CntrctRcvdGreaterThan100KCnt>
      <GovernmentGrantsAmt>1142345</GovernmentGrantsAmt>
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        <BusinessCd>541900</BusinessCd>
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      <ProgramServiceRevenueGrp>
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        <ExclusionAmt>189981</ExclusionAmt>
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        <UnrelatedBusinessRevenueAmt>88</UnrelatedBusinessRevenueAmt>
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      <GrantsToDomesticIndividualsGrp>
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        <ProgramServicesAmt>19851</ProgramServicesAmt>
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        <FundraisingAmt>621</FundraisingAmt>
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        <FundraisingAmt>94263</FundraisingAmt>
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        <ManagementAndGeneralAmt>24416</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>537713</ProgramServicesAmt>
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        <ManagementAndGeneralAmt>32723</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>2376850</ProgramServicesAmt>
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        <ManagementAndGeneralAmt>160527</ManagementAndGeneralAmt>
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        <ProgramServicesAmt>655950</ProgramServicesAmt>
        <ManagementAndGeneralAmt>58142</ManagementAndGeneralAmt>
        <FundraisingAmt>20516</FundraisingAmt>
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        <ProgramServicesAmt>51261</ProgramServicesAmt>
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        <FundraisingAmt>1603</FundraisingAmt>
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        <ProgramServicesAmt>2814953</ProgramServicesAmt>
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        <ProgramServicesAmt>1117490</ProgramServicesAmt>
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        <ProgramServicesAmt>623815</ProgramServicesAmt>
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        <EOYAmt>2682384</EOYAmt>
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        <EOYAmt>180000</EOYAmt>
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        <EOYAmt>427748</EOYAmt>
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        <EOYAmt>154671</EOYAmt>
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        <EOYAmt>710512</EOYAmt>
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        <EOYAmt>7144357</EOYAmt>
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        <EOYAmt>22213</EOYAmt>
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        <EOYAmt>344383</EOYAmt>
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        <CurrentTaxYearMinus1YearAmt>1755133</CurrentTaxYearMinus1YearAmt>
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        <TotalAmt>5000</TotalAmt>
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      <InvestmentIncomePYPct>0.01250</InvestmentIncomePYPct>
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    <IRS990ScheduleB documentId="RetDoc1234500001" />
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      <CollectionUsedPreservationInd>X</CollectionUsedPreservationInd>
      <SolicitedAssetsSaleInd>0</SolicitedAssetsSaleInd>
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        <InvestmentEarningsOrLossesAmt>16571</InvestmentEarningsOrLossesAmt>
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        <EndYearBalanceAmt>932893</EndYearBalanceAmt>
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        <InvestmentEarningsOrLossesAmt>26302</InvestmentEarningsOrLossesAmt>
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        <Desc>FAIR VALUE OF INTEREST RATE SWAP AGREEMENT</Desc>
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      <OtherLiabilitiesOrgGrp>
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      <FootnoteTextInd>X</FootnoteTextInd>
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      <RevenueNotReportedAmt>148866</RevenueNotReportedAmt>
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      <RevenueNotReportedFinclStmtAmt>-24678</RevenueNotReportedFinclStmtAmt>
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      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 1A:</FormAndLineReferenceDesc>
        <ExplanationTxt>IN ACCORDANCE WITH U.S. GAAP, THE SOCIETY DOES NOT CAPITALIZE DONATED WORKS OF ART OR RECOGNIZE THEM AS REVENUES OR GAINS. SUCH DONATIONS NEED NOT BE RECOGNIZED IF THEY ARE ADDED TO COLLECTIONS THAT ARE HELD FOR PUBLIC EXHIBITION, EDUCATION, OR RESEARCH IN FURTHERANCE OF PUBLIC SERVICE RATHER THAN FINANCIAL GAIN; ARE PROTECTED, KEPT UNENCUMBERED, CARED FOR, AND PRESERVED; AND ARE SUBJECT TO A POLICY THAT REQUIRES THE PROCEEDS FROM SALES OF COLLECTION ITEMS TO BE USED TO ACQUIRE OTHER ITEMS FOR COLLECTIONS.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART III, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY'S LAND AND BUILDING ARE LOCATED IN A HISTORICAL DISTRICT AND ITS BUILDING IS CLASSIFIED AS A HISTORICAL STRUCTURE. THE SOCIETY ALSO HAS WORKS OF ART AND SCIENTIFIC INSTRUMENTS AND LITERATURE WHICH ARE HELD FOR PUBLIC EXHIBITION, EDUCATION, OR RESEARCH.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY HAS ADOPTED INVESTMENT AND SPENDING POLICIES FOR ENDOWMENT ASSETS THAT ATTEMPT TO PROVIDE A PREDICTABLE STREAM OF FUNDING TO PROGRAMS SUPPORTED BY ITS ENDOWMENT WHILE SEEKING TO MAINTAIN THE PURCHASING POWER OF THE ENDOWMENT ASSETS OVER THE LONG-TERM. ENDOWMENT ASSETS INCLUDE THOSE ASSETS OF DONOR-RESTRICTED FUNDS THAT THE SOCIETY MUST HOLD IN PERPETUITY. UNDER THIS POLICY, AS APPROVED BY THE EXECUTIVE COMMITTEE, THE ENDOWMENT ASSETS ARE INVESTED IN A MANNER THAT IS INTENDED TO CONTRIBUTE TO THE SOCIETY'S TOTAL RETURN OBJECTIVES AND PRESERVE PRINCIPAL WHILE MAINTAINING A COMPETITIVE YIELD AS MARKET CONDITIONS DICTATE. THE SOCIETY'S POLICY OF APPROPRIATING FOR DISTRIBUTIONS OF ITS ENDOWMENT FUND FOR SCHOLARSHIPS, FELLOWSHIPS AND OTHER DISTRIBUTION OF FUNDS IS DETERMINED BASED ON THE DONOR'S INTENTIONS AND INVESTMENT RETURNS AS WELL AS TAKING INTO CONSIDERATION THE LONG-TERM EXPECTED RETURN ON ITS ENDOWMENT, THE NATURE AND DURATION OF THE INDIVIDUAL ENDOWMENT FUNDS, AND THE POSSIBLE EFFECTS OF INFLATION.</ExplanationTxt>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>IN DETERMINING THE RECOGNITION OF UNCERTAIN TAX POSITIONS, THE SOCIETY APPLIES A MORE-LIKELY-THAN-NOT RECOGNITION THRESHOLD AND DETERMINES THE MEASUREMENT OF UNCERTAIN TAX POSITIONS CONSIDERING THE AMOUNTS AND PROBABILITIES OF THE OUTCOMES THAT COULD BE REALIZED UPON ULTIMATE SETTLEMENT WITH TAXING AUTHORITIES. AS OF DECEMBER 31, 2016, THE SOCIETY HAS NO UNCERTAIN TAX POSITIONS THAT QUALIFY FOR EITHER RECOGNITION OR DISCLOSURE IN THE FINANCIAL STATEMENTS. THE SOCIETY IS NOT CURRENTLY UNDER EXAMINATION BY ANY TAXING JURISDICTION. THE SOCIETY'S FEDERAL AND STATE TAX RETURNS ARE GENERALLY OPEN FOR EXAMINATION FOR THREE YEARS FOLLOWING THE DATE FILED.</ExplanationTxt>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>RENTAL EXPENSES, NET WITH RENTAL INCOME 24,678.</ExplanationTxt>
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        <OfficesCnt>0</OfficesCnt>
        <EmployeeCnt>1</EmployeeCnt>
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      <ContinuationTotalEmployeeCnt>0</ContinuationTotalEmployeeCnt>
      <TotalOfficeCnt>0</TotalOfficeCnt>
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        <FormAndLineReferenceDesc>PART I, LINE 3:</FormAndLineReferenceDesc>
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        <DeferredCompensationFlngOrgAmt>27000</DeferredCompensationFlngOrgAmt>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>THE AMERICAN METEOROLOGICAL SOCIETY HAS APPROXIMATELY 13,000 MEMBERS. THE SOCIETY IS THE NATION'S LEADING SCIENTIFIC AND PROFESSIONAL SOCIETY FOR THOSE INVOLVED IN THE ATMOSPHERIC AND RELATED OCEANIC AND HYDROLOGIC SCIENCES. THE SOCIETY'S MEMBERSHIP IS MADE UP OF PROFESSIONALS, PROFESSORS, STUDENTS AND WEATHER ENTHUSIASTS INCLUDING MANY OF THE WORLD'S FOREMOST SCIENTISTS FROM INDUSTRY, ACADEMIA AND GOVERNMENT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE GOVERNING BOARD IS THE AMS COUNCIL. THIS BOARD CONSISTS OF 20 MEMBERS OF THE SOCIETY AND IS MADE UP OF THE PRESIDENT, THE PRESIDENT-ELECT, THE MOST RECENT PAST PRESIDENTS AND 15 COUNCILORS. THE TERM OF APPOINTMENT FOR COUNCILORS IS THREE YEARS. THE COUNCIL APPOINTS ONE OF THESE COUNCILORS EACH YEAR WHILE THE SOCIETY'S PROFESSIONAL MEMBERS (APPROXIMATELY 9000) ELECT FOUR NEW COUNCILORS EACH YEAR.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBER APPROVAL IS REQUIRED FOR CHANGES TO THE AMS CONSTITUTION. WHILE OTHER DECISIONS OF THE COUNCIL ARE NOT SUBJECT TO MEMBER APPROVAL, THE MINUTES OF ALL MEETINGS ARE PUBLISHED IN THE BULLETIN OF THE AMERICAN METEOROLOGICAL SOCIETY.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>FORM 990 IS PREPARED BY AUDITOR AND THEN REVIEWED BY THE EXECUTIVE DIRECTOR, CONTROLLER AND SECRETARY-TREASURER.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>SELF DISCLOSURE, KNOWLEDGE OF EXECUTIVE DIRECTOR AND CONTROLLER WITH ALL BUSINESS MATTERS, DISCLOSURE TO ALL THOSE CHARGED WITH GOVERNANCE AND OFFICERS, EXECUTIVE DIRECTOR REVIEWS WITH ALL NEW DIRECTORS AND STAFF.</ExplanationTxt>
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        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15</FormAndLineReferenceDesc>
        <ExplanationTxt>EXECUTIVE DIRECTOR - EXECUTIVE COMMITTEE DELIBERATES AND REVIEW OF COMPARABLE ORGANIZATIONS TOP MANAGEMENT &amp; KEY EMPLOYEES - REVIEW OF COMPARABLE DATA AND WRITTEN DOCUMENTATION AND APPROVAL BY EXECUTIVE DIRECTOR.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>PUBLICATION OF FINANCIAL STATEMENTS ON WEBSITE AND IN BULLETIN TO ALL MEMBERS AND UPON REQUEST.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>UNREALIZED GAIN ON INTEREST RATE SWAP MORTGAGE AGREEMENT 73,631.</ExplanationTxt>
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