Physical Basis of the lunar Synodic Bias in Rainfall
{'Code': '06020106', 'Directorate': {'Abbreviation': 'GEO', 'LongName': 'Directorate For Geosciences'}, 'Division': {'Abbreviation': 'AGS', 'LongName': 'Div Atmospheric & Geospace Sciences'}}
{'SignBlockName': 'Jay S. Fein', 'PO_EMAI': None, 'PO_PHON': None}
The lunar synodic effect consist of a systematic tendency                  for the precipitation at many mid-latitude locations to be most                 favored to occur a few days after full or new moon.  The                        gravitational tidal forces of the moon and the sun cause this                   effect.  The exact manner in which these force affect                           atmospheric circulations so as to induce the lunar synodic bias                 is unknown.  This work will examine this classical problem along                two complementary thrusts:  (1) a statistical analysis of diverse               precipitation data to delineate the types of atmospheric                        circulation patterns most relate to the lunar effect, and (2) a                 quantitative assessment of the dynamics of tidal and various                    inertial components of ageostrophic motion in circulations that                 produce rain.  Desirable spin offs of this research are (1) to                  attract the interest of theoreticians to this neglected but                     fundamental classical problem in dynamics, and (2) to encourage                 quantitative investigation into the lunar synodic effect as a                   means of improving the skill of operational probability-of-                     precipitation forecasts.
{'FirstName': 'J.', 'LastName': 'Mitchell', 'PI_MID_INIT': 'M', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'J. M Mitchell', 'EmailAddress': None, 'PI_PHON': None, 'NSF_ID': '000098689', 'StartDate': '03/15/1988', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
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{'Code': '5740', 'Text': 'Climate & Large-Scale Dynamics'}
{'url': 'https://www.nsf.gov/awardsearch/download?DownloadFileName=1987&All=true', 'xml': '8722394.xml'}