CIMSS-NOAA Weekly Report [ Archive ]

CIMSS AND ASPB WEEKLY HIGHLIGHTS FOR THE WEEK ENDING AUGUST 4, 2023

DATA, INFORMATION, AND USE-INSPIRED SCIENCE:

CIMSS Cloud Team Support During Recent SNPP Anomaly: Scientists at the University of Wisconsin-Madison’s Cooperative Institute for Meteorological Satellite Studies (CIMSS) recently provided critical support during a Suomi-National Polar orbiting Partnership (SNPP) satellite anomaly that occurred on 26 July 2023. Led by CIMSS scientists William Straka and Steve Wanzong, SNPP Enterprise Cloud products (cloud mask, type, and height) were analyzed to determine whether any degradation in product performance occurred after the anomaly. Several different analyses were performed, and the Cloud Algorithm Working Group (AWG) team’s long term monitoring site was heavily utilized during this monitoring exercise. The figure below shows that zonal cloud fraction values derived from the Enterprise Cloud Mask (ECM) before and after the anomaly are extremely similar and do not reflect any obvious issues. Analyses of other cloud products reveal similar results. The Cloud Team therefore recommends that the cloud products can return to operational status effective 27 July 2023. The cloud team will continue to monitor output from NPP as part of the NOAA-21 validation process. (M. Kulie, E/RA2, 608-263-6583, mark.kulie@noaa.gov)

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Figure: Ascending orbit zonal cloud fractions derived from SNPP the day before (left) and after (right) the recent SNPP anomaly that occurred on 26 July 2023.

New GOES-R Quick Guides for Ice Products developed: Scott Lindstrom from the Cooperative Institute for Meteorological Satellite Studies (CIMSS) recently created two new GOES-R Level 2 Product Quick Guides: Ice Motion and Ice Age/Ice Thickness. These are new Level 2 products that will shortly be flowing into the Advanced Weather Interactive Processing System (AWIPS) in National Weather Service offices. The Quick Guides are available at http://cimss.ssec.wisc.edu/goes/GOESR_QuickGuides.html and will be imported into the NOAA/NWS Virtual Laboratory (VLab). (S. Lindstrom, CIMSS, 608 263 4425)

NOAA-21 VIIRS Sea Ice Maturity Review: The NOAA and Cooperative Institute for Meteorological Satellite Studies (CIMSS) Cryosphere Team presented an assessment of VIIRS sea ice products at a NOAA-21 Beta Maturity Review meeting on 2 August 2023. The products include ice surface temperature, ice concentration, and ice thickness/age. The Team demonstrated that all three products meet the criteria for Beta Maturity, and that ice surface temperature and ice concentration meet the criteria for Provisional Maturity. Beta and Provisional products can be distributed by NOAA's Comprehensive Large Array-Data Stewardship System (CLASS). (Y. Liu, E/RA2, 608-890-1893, yinghui.liu@noaa.gov; J. Key, E/RA2, 608-263-2605, jeff.key@noaa.gov)

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Figure: Examples of NOAA-21 VIIRS ice products over the Arctic on 22 May 2023. 

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SSEC and CIMSS Scientists in the News: Scientists at the University of Wisconsin-Madison (UW) Space Science and Engineering Center (SSEC) and the Cooperative Institute for Meteorological Satellite Studies (CIMSS) provide expert interviews, imagery and case studies to promote science. This week: 1) CIMSS scientist Jason Otkin gave a 30 minute interview on iHeartRadio Madison Forum on "Flash Droughts and Other Dry Conditions"(https://ihr.fm/45fZD9z). 2) CIMSS Satellite Blog contributors Scott Lindstrom and Scott Bachmeier published these case studies: "Western Pacific ITCZ changes from 24 July to 2 August 2023" (August 02), "Typhoon Khanun passes just south of Okinawa Island" (August 01), "Thunderstorms force the evacuation and cancellation of an outdoor concert in Nashville" (July 24), "LIS Observations over the Western Pacific Ocean near Typhoon Doksuri" (July 24), "Eruption of Mount Shishaldin" (July 29) "Spoon Fire in Arizona produces a pyrocumulonimbus cloud" (July 27). Read more at the CIMSS Satellite Blog: https://cimss.ssec.wisc.edu/satellite-blog/. (S. Lindstrom, CIMSS, S. Bachmeier, CIMSS, E. Verbeten, SSEC)

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Figure: Target Sector (2.5-minute interval) JMA Himawari-9 AHI Visible and Infrared images (above) showed Category 4 Typhoon Khanun as it moved just south of Okinawa Island from 0502-1002 UTC on 01 August 2023. Visible images depicted mesovortces within the eye.

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