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  • Lightning « CIMSS Satellite Blog
    images click image to play animation In addition a McIDAS V combination of GOES 13 10 7 µm IR images and CAPE derived from overpasses of the Suomi NPP CrIS and the Aqua AIRS instruments below image courtesy of Joleen Feltz showed that the derecho was moving toward pockets of instability that were in place along the trough axis that was oriented from southwest to northeast along the East Coast Plotted in yellow are the surface wind gusts of 80 mph or greater associated with the derecho GOES 13 IR CAPE from Suomi NPP CrIS and Aqua AIRS Posted in AVHRR Aviation GOES sounder GOES 13 Lightning McIDAS V MODIS POES Severe convection Suomi NPP VIIRS No Comments Mesoscale Convective Vortex in northwestern Arkansas June 4th 2012 GOES 13 10 7 µm IR images 0 63 µm visible images click image to play animation A large Mesoscale Convective System MCS developed over far northeastern Oklahoma during the pre dawn hours on 04 June 2012 which eventually produced a Mesoscale Convective Vortex MCV that moved into northwestern Arkansas the following morning AWIPS images of 4 km resolution GOES 13 10 7 µm IR images at night followed by 1 km resolution GOES 13 0 63 µm visible channel images during the day above showed the large nocturnal canopy of cold clouds with cloud top IR brightness temperatures as cold as 76º C at 05 01 UTC then the dissipating convection revealed the cyclonic circulation of the MCV during the late morning hours As the atmosphere destabilized with daytime heating new thunderstorms were seen to develop in the vicinity of the MCV as it moved toward Little Rock Arkansas station identifier KLIT A comparison of a 1 km resolution MODIS 11 0 µm IR image with the corresponding 4 km resolution GOES 13 10 7 µm IR image at 08 15 UTC or 3 15 AM local time below demonstrated that finer scale cloud top details such as subtle anvil top gravity waves were apparent on the higher resolution MODIS image Note that the satellite features are displaced slightly to the northwest on the GOES 13 IR images this is due to parallax error resulting from the large viewing angle from the GOES East satellite MODIS 11 0 µm IR image GOES 13 10 7 µm IR image These anvil top gravity waves were even more evident on a comparison of 1 km resolution Suomi NPP VIIRS 11 45 µm IR channel and 0 7 µm Day Night Band DNB images at 08 42 UTC or 3 42 AM local time below A full moon provided excellent illumination of the thunderstorm cloud top allowing an very good night time view of the subtle overshooting top and gravity wave structures just as they might be seen on a daytime visible image In addition note that the city lights of the Wichita Kansas area could be seen through the thin veil of cloud top cirrus along the northwestern edge of the storm Suomi NPP

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/category/lightning/page/2 (2012-11-14)
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  • Intense Eastern Pacific / Gulf of Alaska storm « CIMSS Satellite Blog
    Water product click image to play animation Later in the day an overpass of a EUMETSAT MetOp satellite provided ASCAT ocean surface winds over the large occluded storm as it was moving slowly off the coast of British Columbia Canada A comparison of 1 km resolution MODIS 0 65 µm visible channel and MODIS 11 0 µm IR channel images with an overlay of ASCAT wind vectors is shown below MODIS 0 65 µm visible channel and 11 0 µm IR channel images MetOp ASCAT scatterometer surface winds Posted in AVHRR GOES sounder GOES 15 Marine weather MODIS POES Satellite winds No Comments Leave a Reply Click here to cancel reply Name required Mail will not be published required Website Webmaster Follow us on Search for Pages About this site CIMSS Satellite Proving Ground Contact us Mobile users POES AVHRR in AWIPS SatePedia Suomi NPP JPSS Proving Ground VISIT SHyMet Training Topics November 2012 M T W T F S S Oct 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Categories Air quality Antarctic Arctic AVHRR Aviation AWIPS II Calibration Anomalies Cloud Top Cooling Convective Initiation Fire detection Fog detection General interpretation GOES sounder GOES 10 GOES 11 GOES 12 GOES 13 GOES 14 GOES 15 GOES R Google Earth Heavy rain flooding Historical Hydrology Lightning Marine weather McIDAS V Meteosat MODIS MTSAT Other Satellites POES Red Green Blue RGB images Satellite winds Severe convection Suomi NPP Synthetic satellite imagery Training Tropical cyclones VIIRS Volcanic activity Web Map Server What the heck is this Winter weather Other blogs of interest AccuWeather Blogs CIMSS GOES Gallery CIMSS TPARC Support CIRA GOES R Proving Ground Blog EUMETSAT Image Gallery Geographic

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/10112 (2012-11-14)
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  • GOES-15 is operational once again « CIMSS Satellite Blog
    in GOES 13 GOES 15 Marine weather No Comments Leave a Reply Click here to cancel reply Name required Mail will not be published required Website Webmaster Follow us on Search for Pages About this site CIMSS Satellite Proving Ground Contact us Mobile users POES AVHRR in AWIPS SatePedia Suomi NPP JPSS Proving Ground VISIT SHyMet Training Topics November 2012 M T W T F S S Oct 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Categories Air quality Antarctic Arctic AVHRR Aviation AWIPS II Calibration Anomalies Cloud Top Cooling Convective Initiation Fire detection Fog detection General interpretation GOES sounder GOES 10 GOES 11 GOES 12 GOES 13 GOES 14 GOES 15 GOES R Google Earth Heavy rain flooding Historical Hydrology Lightning Marine weather McIDAS V Meteosat MODIS MTSAT Other Satellites POES Red Green Blue RGB images Satellite winds Severe convection Suomi NPP Synthetic satellite imagery Training Tropical cyclones VIIRS Volcanic activity Web Map Server What the heck is this Winter weather Other blogs of interest AccuWeather Blogs CIMSS GOES Gallery CIMSS TPARC Support CIRA GOES R Proving Ground Blog EUMETSAT Image Gallery Geographic Information Network of Alaska GOES R and JPSS National Centers Perspective GOES R Fog Product Examples GOES R Hazardous Weather Testbed METSUL blog NOAA NESDIS Operational Significant Event Imagery NSSTC Collaborative Weather Blog PREDICT Field Experiment Blog The GOES R Proving Ground at the Aviation Weather Testbed The Wide World of SPoRT UMBC U S Air Quality The Smog Blog US Severe Weather Blog VIIRS Imagery and Visualization Team Blog VISIT Meteorological Interpretation Weather Channel Blogs Weather Underground Blogs WGN Weather Center Blog Satellite imagery sources CIMSS GOES Derived Product Imagery CIMSS Tropical Cyclones

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/10066 (2012-11-14)
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  • Using polar-orbiter MODIS and AVHRR imagery to supplement degraded geostationary GOES imagery « CIMSS Satellite Blog
    the 4 km IR and water vapor image pixels closer to 16 km In addition the large satellite viewing angles were creating a significant parallax error shifting the apparent location of high cloud features to the northwest MODIS 11 0 µm IR image GOES 13 10 7 µm IR image MODIS 6 7 µm water vapor image GOES 13 6 5 µm water vapor image On the following day AWIPS comparisons of a MODIS 6 7 µm water vapor image with the corresponding GOES 13 6 5 µm water vapor channel image above as well as a MODIS 11 0 µm IR channel image with the corresponding GOES 13 10 7 µm IR channel image below showed a storm moving into the far southern panhandle of Alaska In the case the GOES 13 satellite viewing angles for Seattle Washington and Juneau Alaska were 71 degrees and 82 degrees respectively MODIS 11 0 µm IR image GOES 13 10 7 µm IR image Similarly an AWIPS comparison of a 1 km resolution POES AVHRR 12 0 µm IR image with the corresponding GOES 13 10 7 µm IR image below shows another source for polar orbiter satellite imagery to supplement GOES in this type of situation POES AVHRR 12 0 µm IR image GOES 13 10 7 µm IR image CIMSS participation in GOES R Proving Ground activities includes making a variety of POES AVHRR and MODIS images and products available for National Weather Service forecast offices to add to their local AWIPS workstations Currently there are 57 NWS offices receiving MODIS imagery and products from CIMSS Posted in AVHRR General interpretation GOES 13 GOES R MODIS MTSAT POES No Comments Leave a Reply Click here to cancel reply Name required Mail will not be published required Website Webmaster Follow us on Search for Pages About this site CIMSS Satellite Proving Ground Contact us Mobile users POES AVHRR in AWIPS SatePedia Suomi NPP JPSS Proving Ground VISIT SHyMet Training Topics November 2012 M T W T F S S Oct 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Categories Air quality Antarctic Arctic AVHRR Aviation AWIPS II Calibration Anomalies Cloud Top Cooling Convective Initiation Fire detection Fog detection General interpretation GOES sounder GOES 10 GOES 11 GOES 12 GOES 13 GOES 14 GOES 15 GOES R Google Earth Heavy rain flooding Historical Hydrology Lightning Marine weather McIDAS V Meteosat MODIS MTSAT Other Satellites POES Red Green Blue RGB images Satellite winds Severe convection Suomi NPP Synthetic satellite imagery Training Tropical cyclones VIIRS Volcanic activity Web Map Server What the heck is this Winter weather Other blogs of interest AccuWeather Blogs CIMSS GOES Gallery CIMSS TPARC Support CIRA GOES R Proving Ground Blog EUMETSAT Image Gallery Geographic Information Network of Alaska GOES R and JPSS National Centers Perspective GOES R Fog Product Examples GOES R Hazardous Weather Testbed METSUL blog

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/10039 (2012-11-14)
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  • Warm water temperatures in the Great Lakes « CIMSS Satellite Blog
    cancel reply Name required Mail will not be published required Website Webmaster Follow us on Search for Pages About this site CIMSS Satellite Proving Ground Contact us Mobile users POES AVHRR in AWIPS SatePedia Suomi NPP JPSS Proving Ground VISIT SHyMet Training Topics November 2012 M T W T F S S Oct 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Categories Air quality Antarctic Arctic AVHRR Aviation AWIPS II Calibration Anomalies Cloud Top Cooling Convective Initiation Fire detection Fog detection General interpretation GOES sounder GOES 10 GOES 11 GOES 12 GOES 13 GOES 14 GOES 15 GOES R Google Earth Heavy rain flooding Historical Hydrology Lightning Marine weather McIDAS V Meteosat MODIS MTSAT Other Satellites POES Red Green Blue RGB images Satellite winds Severe convection Suomi NPP Synthetic satellite imagery Training Tropical cyclones VIIRS Volcanic activity Web Map Server What the heck is this Winter weather Other blogs of interest AccuWeather Blogs CIMSS GOES Gallery CIMSS TPARC Support CIRA GOES R Proving Ground Blog EUMETSAT Image Gallery Geographic Information Network of Alaska GOES R and JPSS National Centers Perspective GOES R Fog Product Examples GOES R Hazardous Weather Testbed METSUL blog NOAA NESDIS Operational Significant Event Imagery NSSTC Collaborative Weather Blog PREDICT Field Experiment Blog The GOES R Proving Ground at the Aviation Weather Testbed The Wide World of SPoRT UMBC U S Air Quality The Smog Blog US Severe Weather Blog VIIRS Imagery and Visualization Team Blog VISIT Meteorological Interpretation Weather Channel Blogs Weather Underground Blogs WGN Weather Center Blog Satellite imagery sources CIMSS GOES Derived Product Imagery CIMSS Tropical Cyclones Environmental Remote Sensing Center SSEC GINA University of Alaska Fairbanks NWS WFO scale satellite images

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/10028 (2012-11-14)
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  • Marine weather « CIMSS Satellite Blog
    of GOES 13 10 7 µm IR images with overlays of the Automated Overshooting Top Detection product below click image to play animation revealed a number of overshooting tops with the minimum cloud top IR brightness temperature of 81ºC occurring over eastern Iowa at 09 45 UTC The overshooting tops were very evident after sunrise on GOES 0 63 µm visible channel imagery as they cast shadows upon the thunderstorm anvil tops below 11 45 UTC visible image overshooting top detection product comparison GOES 13 10 7 µm IR images Overshooting Top Detection click to play animation A set of three comparisons of 1 km resolution POES AVHRR 10 8 µm IR images with their corresponding 4 km resolution GOES 13 10 7 µm IR images below demonstrated the value of improved spatial resolution for more accurate detection of the location and magnitude of the coldest cloud tops on severe thunderstorms On the 08 22 UTC 08 47 UTC and 11 37 UTC POES AVHRR images the coldest cloud top IR brightness temperatures were 84ºC 90ºC and 85ºC respectively the coldest GOES 13 IR brightness temperatures were 78ºC for all three of those times Note that the apparent northwestward displacement of cloud features on the GOES 13 images is a result of parallax error due to the large viewing angle from the geostationary satellite 1 km resolution POES AVHRR 10 8 µm IR and 4 km resolution GOES 13 10 7 µm IR images 1 km resolution POES AVHRR 10 8 µm IR and 4 km resolution GOES 13 10 7 µm IR images 1 km resolution POES AVHRR 10 8 µm IR and 4 km resolution GOES 13 10 7 µm IR images Very strong surface winds were observed along and in the wake of the well defined bow echo seen on radar peak wind gusts included 74 mph at Dubuque Iowa 75 mph at Chicago Midway Airport and 85 mph at Michigan City Indiana These strong winds created a seiche across southern Lake Michigan Seiche Warning NWS Chicago event summary with oscillations in water levels seen at Calumet Harbor Illinois Milwaukee Wisconsin and Holland Michigan Posted in AVHRR Aviation GOES sounder GOES 13 Marine weather POES Severe convection No Comments Possible development of a subtropical or a tropical disturbance in the Atlantic Ocean April 20th 2011 MIMIC Total Precipitable Water TPW product The National Hurricane Center initiated Invest 91 to monitor the potential development of a subtropical or even possibly a tropical cyclone over the western Atlantic Ocean on 20 April 2011 AWIPS images of the MIMIC Total Precipitable Water TPW product above click image to play animation showed that a tongue of moisture was being advected northward from the band of higher moisture along the Inter Tropical Convergence Zone ITCZ and this moisture plume was being wrapped into the circulation of the developing disturbance A closer look at the MIMIC TPW product at 14 00 UTC along with an overlay of ASCAT scatterometer winds below revealed a

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/category/marine-weather/page/2 (2012-11-14)
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  • Tropical Storm Rafael « CIMSS Satellite Blog
    channel images Posted in AVHRR McIDAS V Other Satellites Suomi NPP Tropical cyclones VIIRS No Comments Leave a Reply Click here to cancel reply Name required Mail will not be published required Website Webmaster Follow us on Search for Pages About this site CIMSS Satellite Proving Ground Contact us Mobile users POES AVHRR in AWIPS SatePedia Suomi NPP JPSS Proving Ground VISIT SHyMet Training Topics November 2012 M T W T F S S Oct 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Categories Air quality Antarctic Arctic AVHRR Aviation AWIPS II Calibration Anomalies Cloud Top Cooling Convective Initiation Fire detection Fog detection General interpretation GOES sounder GOES 10 GOES 11 GOES 12 GOES 13 GOES 14 GOES 15 GOES R Google Earth Heavy rain flooding Historical Hydrology Lightning Marine weather McIDAS V Meteosat MODIS MTSAT Other Satellites POES Red Green Blue RGB images Satellite winds Severe convection Suomi NPP Synthetic satellite imagery Training Tropical cyclones VIIRS Volcanic activity Web Map Server What the heck is this Winter weather Other blogs of interest AccuWeather Blogs CIMSS GOES Gallery CIMSS TPARC Support CIRA GOES R Proving Ground Blog EUMETSAT Image Gallery Geographic Information Network of Alaska GOES R and JPSS National Centers Perspective GOES R Fog Product Examples GOES R Hazardous Weather Testbed METSUL blog NOAA NESDIS Operational Significant Event Imagery NSSTC Collaborative Weather Blog PREDICT Field Experiment Blog The GOES R Proving Ground at the Aviation Weather Testbed The Wide World of SPoRT UMBC U S Air Quality The Smog Blog US Severe Weather Blog VIIRS Imagery and Visualization Team Blog VISIT Meteorological Interpretation Weather Channel Blogs Weather Underground Blogs WGN Weather Center Blog Satellite imagery sources CIMSS

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/11570 (2012-11-14)
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  • McIDAS-V « CIMSS Satellite Blog
    edge of the dissipating MCS POES AVHRR 12 0 µm IR MODIS 11 0 µm IR images An overlay of 1 hour cloud to ground lightning strikes ending at 07 00 UTC on the Suomi NPP VIIRS 11 45 µm IR channel image at 07 14 UTC below showed a decreasing amount of lightning activity as the parent MCS began to slowly dissipate as it moved out over the waters of the western Atlantic Ocean The corresponding 07 14 UTC VIIRS 0 7 µm Day Night Band image did manage to reveal a few bright white pixels resulting from cloud top illumination by clusters of lightning Suomi NPP VIIRS 11 45 µm IR image VIIRS 0 7 µm Day Night Band image The strong surface winds downed a large number of trees and powerlines causing widespread power outages that affected over 3 million people One area especially hard hit was West Virginia and adjacent portions of Virginia and Ohio where a before after comparison of Suomi NPP VIIRS 0 7 µm Day Night Band DNB images around 07 UTC 4 AM local time on 29 June and 30 June below courtesy of Jordan Gerth CIMSS revealed the large areas of darkness lack of city lights on 30 June after the derecho had moved through The large dark areas seen on the DNB images over Pennsylvania on 29 June VIIRS IR image and Ohio Michigan on 30 June VIIRS IR image were due to strong thunderstorms obscuring the view of the city lights below Suomi NPP VIIRS 0 7 µm Day Night Band images on 29 June and 30 June UPDATE GOES 13 10 7 µm IR channel images of the entire derecho event below also available as a QuickTime movie The GOES 13 satellite had been placed into Rapid Scan Operations RSO providing images as frequently as every 5 10 minutes during much of the life cycle of the storm GOES 13 10 7 µm IR channel images click image to play animation In addition a McIDAS V combination of GOES 13 10 7 µm IR images and CAPE derived from overpasses of the Suomi NPP CrIS and the Aqua AIRS instruments below image courtesy of Joleen Feltz showed that the derecho was moving toward pockets of instability that were in place along the trough axis that was oriented from southwest to northeast along the East Coast Plotted in yellow are the surface wind gusts of 80 mph or greater associated with the derecho GOES 13 IR CAPE from Suomi NPP CrIS and Aqua AIRS Posted in AVHRR Aviation GOES sounder GOES 13 Lightning McIDAS V MODIS POES Severe convection Suomi NPP VIIRS No Comments GOES 12 Imager Cycle Slips May 9th 2012 GOES 12 Imager from 1045 UTC 9 May 2012 click image to play animation of all bands GOES M was launched in 2001 and as GOES 12 served as the operational GOES East satellite from April 1 2003 until April 14th 2010 and has been serving recently

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/category/mcidas-v/page/2 (2012-11-14)
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