Electrostatic fields observed during the CHUVA campaign Evandro M. - PowerPoint PPT Presentation

Electric Fieldmills Comparisons Electric Field observed conclusions Electrostatic fields observed during the CHUVA campaign Evandro M. Anselmo Carlos A. Morales Rodriguez Jo˜ ao R. Neves Gustavo Beneduzi Moacir Lacerda Rachel Albrecht CHUVA International Workshop May 08-10, IAG-USP

Electric Fieldmills Comparisons Electric Field observed conclusions Three kids of sensors was used Campbell CS110 Bolteck EFM-100 Fieldmill USP/UFMS (non-commercial)

Electric Fieldmills Comparisons Electric Field observed conclusions

Electric Fieldmills Comparisons Electric Field observed conclusions How to ensure that the three different sensors have equivalent measures in V/m during the CHUVA campaign?

Electric Fieldmills Comparisons Electric Field observed conclusions For the Campbell CS110 sensor we are using its factory calibration coefficients, while Bolteck EFM-100 and USP-UFMS sensors were calibrated against Campbell CS110 during comparative procedures performed.

Electric Fieldmills Comparisons Electric Field observed conclusions Thunderstorms days for comparison

Electric Fieldmills Comparisons Electric Field observed conclusions Campbell vs Bolteck

Electric Fieldmills Comparisons Electric Field observed conclusions Campbell vs USP/UFMS

Electric Fieldmills Comparisons Electric Field observed conclusions Fieldmills data validation status campaing site level 0 level 1 level 2 Aeroporto OK OK OK Bel´ em Outeiro OK OK OK Benevides OK OK OK Aeroporto OK OK OK Binfa OK OK OK Pequen´ opolis OK OK OK Vale do Para´ ıba Meteorologia OK OK OK Nova dutra OK OK OK IEAV OK OK OK IAG OK OK OK CRS-INPE OK no OK Geot´ ermico OK no OK Ed. F´ ısica OK no OK Santa Maria Jd. Botˆ anico OK no OK Fitotecnia OK no OK

Electric Fieldmills Comparisons Electric Field observed conclusions After the comparison process we can show the electric fields observed in campaigns: Bel´ em Vale do Para´ ıba Santa Maria

Electric Fieldmills Comparisons Electric Field observed conclusions 60 seconds before the lightining activity

Electric Fieldmills Comparisons Electric Field observed conclusions Base on radar data for Fortaleza and Bel´ em indicate echotops beteween 14-15 km in comparison to VALE-GLM < 12 km . 1 1 Morales , M. Lacerda , E. Anselmo , J. R. Neves , R. Albrecht. Understanding the eletrification process. ICCP-2012

Electric Fieldmills Comparisons Electric Field observed conclusions The level 2 data validation was concluded after the comparisons between all electric fieldmills over a hude thunderstorms in S˜ ao Paulo. The Bel´ em measures indicates a positive charge center on the cloud base more charged then Vale and Santa Maria.

Electric Fieldmills Comparisons Electric Field observed conclusions Log Book Chuva Sul http://www.stixy.com/guest/245102 (http://chuvaproject.cptec.inpe.br) Storm-T web site http://www.storm-t.iag.usp.br/blog/

Electrostatic fields observed during the CHUVA campaign Evandro M. - PowerPoint PPT Presentation

Electric Fieldmills Comparisons Electric Field observed conclusions Electrostatic fields observed during the CHUVA campaign Evandro M. Anselmo Carlos A. Morales Rodriguez Jo ao R. Neves Gustavo Beneduzi Moacir Lacerda Rachel Albrecht

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