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

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

Jul 28, 2023 165 likes •388 views

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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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

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Electric Fieldmills Comparisons Electric Field observed conclusions

Three kids of sensors was used Campbell CS110 Bolteck EFM-100 Fieldmill USP/UFMS (non-commercial)

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Electric Fieldmills Comparisons Electric Field observed conclusions

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Electric Fieldmills Comparisons Electric Field observed conclusions

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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?

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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.

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Electric Fieldmills Comparisons Electric Field observed conclusions

Thunderstorms days for comparison

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Electric Fieldmills Comparisons Electric Field observed conclusions

Campbell vs Bolteck

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Electric Fieldmills Comparisons Electric Field observed conclusions

Campbell vs Bolteck

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Electric Fieldmills Comparisons Electric Field observed conclusions

Campbell vs USP/UFMS

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Electric Fieldmills Comparisons Electric Field observed conclusions

Campbell vs USP/UFMS

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Electric Fieldmills Comparisons Electric Field observed conclusions

Fieldmills data validation status

campaing site level 0 level 1 level 2 Bel´ em Aeroporto OK OK OK Outeiro OK OK OK Benevides OK OK OK Vale do Para´ ıba Aeroporto OK OK OK Binfa OK OK OK Pequen´

  • polis

OK OK OK Meteorologia OK OK OK Nova dutra OK OK OK IEAV OK OK OK IAG OK OK OK Santa Maria CRS-INPE OK no OK Geot´ ermico OK no OK

  • Ed. F´

ısica OK no OK

  • Jd. Botˆ

anico OK no OK Fitotecnia OK no OK

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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

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Electric Fieldmills Comparisons Electric Field observed conclusions

60 seconds before the lightining activity

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Electric Fieldmills Comparisons Electric Field observed conclusions

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Electric Fieldmills Comparisons Electric Field observed conclusions

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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

1Morales , M. Lacerda , E. Anselmo , J. R. Neves , R. Albrecht. Understanding the eletrification process.

ICCP-2012

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Electric Fieldmills Comparisons Electric Field observed conclusions

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Electric Fieldmills Comparisons Electric Field observed conclusions

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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.

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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/