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  • Hurricane Ophelia over the central Atlantic « CIMSS Satellite Blog
    suggests a similar distribution to the overshoots but also shows a mostly smooth cirrus canopy above the hurricane The number of overshoots should decrease as Ophelia moves over the cooler waters to its north Added This POES AVHRR Infrared image showing half of the storm shows cloud tops as cold as 77 C but little in the way of overshooting tops A comparison of this same POES AVHRR IR image viewed using McIDAS with the corresponding POES AVHRR visible image below nicely shows the curved convective band that was wrapping around they eye of Hurricane Ophelia POES AVHRR 10 8 µm IR and 0 63 µm visible channel images Posted in AVHRR General interpretation GOES 11 GOES 13 GOES 15 POES Tropical cyclones No Comments Leave a Reply Click here to cancel reply Name required Mail will not be published required Website Webmaster Follow us on Search for Pages About this site CIMSS Satellite Proving Ground Contact us Mobile users POES AVHRR in AWIPS SatePedia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

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/8927 (2012-11-14)
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  • Persistent cut-off low over the north-central US « CIMSS Satellite Blog
    Plains region A well defined bloom of cirrus clouds developed within a zone of high 400 200 hPa layer wind shear as seen on 4 km resolution GOES 13 6 5 µm water vapor channel images with overlays of CRAS model fields below click image to play animation GOES 13 6 5 µm water vapor images turbulence reports CRAS layer winds and shear click image to play animation Better detail of the banded structure of the cirrus cloud features within the high shear deformation zone can be seen on a 1 km resolution MODIS 6 7 µm water vapor image below Note the pilot report of light to moderate turbulence during the entire flight from Denver DEN to Kansas City MCI MODIS 6 7 µm water vapor image pilot reports of turbulence A sequence of 1 km resolution MODIS 6 7 µm water vapor channel images on 26 September below showed some very intricate dry air and moisture structures within the cut off low during that particular day MODIS 6 7 µm water vapor channel images In a comparison of MODIS 0 65 µm visible channel and MODIS 6 7 µm water vapor channel images below note how much more structure is seen in the water vapor image even in areas that are cloud free in the visible image This allows a number of water vapor features and gradients to be tracked using 3 consecutive GOES water vapor images to produce MADIS high altitude atmospheric motion vectors AMVs that can provide important wind direction and wind speed data An AMV with a wind speed of 130 knots at 300 hPa was seen in the dry slot over southern Missouri MODIS 0 65 µm visible image MODIS 6 7 µm water vapor image MADIS satellite winds Posted in Aviation GOES sounder GOES 13 GOES 15 Lightning MODIS 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

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/8913 (2012-11-14)
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  • Autumn tree colors, and a large fire burn scar in northeastern Minnesota « CIMSS Satellite Blog
    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 eastern US NWS WFO scale satellite images western US SOSE Global Satellite Imagery SSEC

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/8909 (2012-11-14)
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  • September « 2011 « CIMSS Satellite Blog
    eye on 20 September and there was a hint of meso vortices within the eye of Roke on the 05 01 UTC visible image MTSAT 2 0 72 µm visible channel images click image to play animation Posted in MTSAT Tropical cyclones No Comments River valley fog in Pennsylvania September 16th 2011 1 km resolution MODIS fog product 4 km resolution GOES 13 fog product The early morning area forecast discussion issued by the National Weather service office at State College Pennsylvania mentioned that river valley fog was being detected by the MODIS fog stratus product AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE STATE COLLEGE PA 526 AM EDT FRI SEP 16 2011 SYNOPSIS A LARGE HIGH PRESSURE SYSTEM OVER THE GREAT LAKES WILL BUILD SLOWLY EAST TO NEW ENGLAND BY SUNDAY AND MONDAY A DYING COLD FRONT WILL LIKELY PUSH INTO THE REGION LATE MONDAY OR TUESDAY A DIGGING TROF AND ASSOCIATED SLOW MOVING COLD FRONT COULD AFFECT THE REGION BY LATE NEXT WEEK NEAR TERM UNTIL 6 PM THIS EVENING EARLY AM MODIS 11 3 7UM IMAGERY SHOWING DENDRITIC PATTERN OF FOG IN THE DEEP RIVER VALLEYS OF THE ALLEGHENY MTNS A comparison of AWIPS images of the 1 km resolution MODIS fog stratus product with the corresponding 4 km resolution GOES 13 fog stratus product above demonstrated the advantage of higher spatial resolution for detecting such small scale features A subtle fog signal was beginning to show up at this time in the GOES 13 fog stratus product image but it was difficult to tell whether it was due to noise or actual fog features About an hour and 15 minutes later a similar comparison using a 1 km resolution POES AVHRR fog stratus image and the corresponding 4 km resolution GOES 13 fog stratus product image below showed that while the fog signal had become better defined by this time on the GOES 13 image the POES AVHRR image again showed the river valley fog features with much greater clarity 1 km resolution POES AVHRR fog product 4 km resolution GOES 13 fog product Posted in AVHRR Fog detection GOES 13 MODIS POES No Comments Older Entries Newer Entries 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 September 2011 M T W T F S S Aug 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

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/date/2011/09/page/2 (2012-11-14)
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  • 01 « September « 2011 « CIMSS Satellite Blog
    occurring Click here for the toggle between the visible image and a similar WV IR difference image The automated detection algorithm seems to miss some towers the wv ir difference field identifies too many As the system in the Gulf of Mexico intensifies the signal from the IR WV difference and the number of autmomated detections should both increase Intensification for now is inhibited by high shear over the region The CIMSS Tropical Weather website offers information on this developing Gulf system Posted in General interpretation GOES 13 Severe convection Tropical cyclones No Comments Hurricane Katia September 1st 2011 GOES 13 10 7 µm IR images Tropical Storm 12L intensified on the evening of 31 August to become Hurricane Katia the second Atlantic basin hurricane of the 2011 season GOES 13 10 7 µm IR images from the CIMSS Tropical Cyclones site above showed the development of deep organized convection both east and west of the storm center A DMSP SSMIS 85 GHz microwave image below revealed a closed eyewall had formed although the southern portion of the eyewall was thin and poorly defined DMSP SSMIS 85 GHz microwave image Katia existed in an environment of relatively low 850 200 hPa deep layer wind shear below which was one factor that favored further intensification GOES 13 IR image Deep layer wind shear product An AWIPS image of EUMETSAT MetOp ASCAT scatterometer surface winds below indicated that the radius of tropical storm force winds had increased since earlier in the day as Katia intensified ASCAT scatterometer surface winds Posted in GOES 13 Tropical cyclones No Comments 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 September 2011 M T W T F S S Aug 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

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/date/2011/09/01 (2012-11-14)
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  • 02 « September « 2011 « CIMSS Satellite Blog
    the two vortices Later in the day it appears that these dual vortices merged into a single vortex as the center of Lee approachd the coast of Louisiana A comparison of 1 km resolution MODIS 6 7 µm and 4 km resolution GOES 13 6 5 µm water vapor images below showed that a significant tongue of dry continental air was being drawn into the western portion of the circulation of Lee MODIS 6 7 µm and GOES 13 6 5 µm water vapor channel images Posted in AVHRR GOES 13 MODIS POES Tropical cyclones No Comments 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 September 2011 M T W T F S S Aug 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

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/date/2011/09/02 (2012-11-14)
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  • 06 « September « 2011 « CIMSS Satellite Blog
    location of many of the larger fire hot spots black to yellow to red color enhancement could be seen on a comparison of GOES 15 and GOES 13 3 9 µm shortwave IR images below click image to play animation GOES 15 and GOES 13 3 9 µm shortwave IR images click image to play animation Posted in Air quality AVHRR Fire detection GOES 13 GOES 15 No Comments 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 September 2011 M T W T F S S Aug 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

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/date/2011/09/06 (2012-11-14)
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  • 07 « September « 2011 « CIMSS Satellite Blog
    UTC and 18 27 UTC or 11 45 am and 1 27 pm local time urban areas and regions with less dense vegetation heat up and exhibit much warmer IR brightness temperatures orange to red color enhancement However the Lake Michigan IR brightness temperatures generally remain constant during this time period MODIS 11 0 µm IR images CIMSS participation in GOES R Proving Ground activities includes making a variety of MODIS images and products available for National Weather Service offices to add to their local AWIPS workstations Currently there are 49 NWS offices receiving MODIS imagery and products from CIMSS In addition the VISIT training lesson MODIS Products in AWIPS is available to help users understand these products and their applications to weather analysis and forecasting Posted in General interpretation GOES R Marine weather MODIS No Comments 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 September 2011 M T W T F S S Aug 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

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/date/2011/09/07 (2012-11-14)
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