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  • March « 2007 « CIMSS Satellite Blog
    counts in that region pine tree pollen has been unusually high this Spring season due to abnormally dry conditions that have plagued much of the southeastern US In addition light winds and increasing boundary layer moisture were helping to create an environment favorable for particle pollution growth GOES sounder total precipitable water values of 25 35 mm were becoming more common over that particular region below Posted in Air quality GOES sounder MODIS No Comments Older 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 March 2007 M T W T F S S Feb Apr 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 31 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

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/date/2007/03 (2012-11-14)
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  • February « 2007 « CIMSS Satellite Blog
    can be detected using satellite instruments with better spatial resolution Note the distinct overshooting top region with a minimum brightness temperature of 65º C dark red enhancement on the 21 50 UTC NOAA 15 image versus cloud top temperature values that were only as cold as 54º C orange enhancement on the 21 45 UTC GOES 12 image these two IR images were about 20 25 minutes prior to the time of the reported hail damage The Advanced Baseline Imager ABI instrument on GOES R scheduled for launch in 2014 will have IR channels with a spatial resolution of 2 km which should improve cloud top temperature detection capabilities over the current GOES imager IR channels Posted in AVHRR GOES 12 GOES R POES Severe convection No Comments Dust storm and wildfires in Texas February 24th 2007 Strong winds gusting to 60 70 mph in the wake of a cold frontal passage on 24 February 2007 caused widespread blowing dust and wildfire activity across much of the Texas panhandle region GOES 12 visible channel imagery above Java animation showed the development of a large cloud of blowing dust as well as several smaller smoke plumes to the south of the blowing dust feature The dust cloud exhibited a pronounced reddish brown hue on MODIS true color imagery due to the composition of the soil in the source region near the Texas New Mexico border This airborne dust reduced surface visibilities to less than one mile at several locations causing traffic accidents and even producing brown colored snow and rain NWS Lubbock TX summary GOES 12 3 9µm InfraRed IR imagery below Java animation revealed several hot spots black enhancement due to wildfire activity that also flared up due to the strong winds Note that one fire near Killeen TX station identifier KGRK bottom center of the image became hot enough to saturate the GOES 12 3 9µm detectors at 19 32 UTC causing the brightness temperature to wrap around and actually show up as a cold pixel white enhancement Posted in Air quality Fire detection GOES 12 MODIS No Comments Older 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 February 2007 M T W T F S S Jan Mar 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 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

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/date/2007/02 (2012-11-14)
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  • January « 2007 « CIMSS Satellite Blog
    the clouds over southern Lake Mighigan were moving inland there was some hint of Mixed or Uncertain cloud phase features moving over that station which could have seeded the supercooled cloud deck below with enough ice to produce mostly snow at times however the changing precipitation types could be due more to inherent ASOS uncertainties As this lake eddy moved inland across southwestern lower Michigan later in the day up to 15 inches of snow was reported at Allegan On a side note during the morning hours over Madison Wisconsin station identifier KMSN it appeared to be snowing very lightly even though the skies overhead were practically cloud free actually there were ice crystals growing within the boundary layer rather than snowflakes falling from a cloud The BUFKIT model sounding analysis below indicated a fairly moist snow growth region yellow line within the lowest 1 5 km of the atmosphere along with some negative omega in that layer indicating upward vertical motions Posted in GOES 12 MODIS Winter weather No Comments Aircraft distrails over the southcentral US January 29th 2007 GOES 12 visible channel imagery above Java animation revealed numerous aircraft dissipation trails otherwise known as distrails or hole punch clouds during the day over eastern Texas northern Louisiana southern Arkansas and Mississippi on 29 January 2007 Corresponding GOES 12 10 7µm InfraRed IR imagery showed that cloud top temperatures over that region were generally between 20º and 35º C as aircraft likely air traffic to from Dallas Fort Worth airport KDFW penetrated that supercooled cloud layer aloft they caused the cloud droplets to glaciate and begin to fall out of the cloud causing the holes and streaks that were evident on the visible imagery A higher resolution view of these cloud features is available from the Terra MODIS sourced from the NASA Rapidfire site and Aqua MODIS overpasses The 12 UTC rawinsonde data from Fort Worth Texas below indicated that the likely elevation of the supercooled coud deck was probably around 25 000 feet or so Photos of these cloud features can be seen on the MediaLine weather forum Weather Underground WunderBlog WKRG Mobile AL NASA Earth Observatory and StormCenter Envirocast sites Posted in Aviation General interpretation GOES 12 MODIS 1 Comment Older 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 January 2007 M T W T F S S Dec Feb 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 31 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

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/date/2007/01 (2012-11-14)
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  • December « 2006 « CIMSS Satellite Blog
    1 fatality GOES 12 10 7µm IR imagery above Java animation showed the widespread convection that developed quickly over eastern Texas during the late morning hours while numerous cloud top temperatures reached 60 C and colder red enhancement there were no enhanced v signatures exhibited by any of these storms on the 15 minute GOES 12 images nor on the 1 km resolution MODIS IR imagery however numerous cloud to ground lightning strikes were associated with this severe convection During the hours leading up to the development of the severe convection AWIPS GOES sounder derived product imagery above Java animation showed that a plume of total precipitable water having values of 30 45 mm 1 2 1 8 inches was being advected north northwestward across the Gulf of Mexico toward Texas Posted in GOES sounder GOES 12 Lightning MODIS Severe convection Winter weather No Comments GOES 13 Improved Navigation Accuracy December 27th 2006 A comparison of GOES 12 and GOES 13 visible channel images Java animation centered over northeastern Minnesota on 25 December 2006 shows the improvement in navigation accuracy with the new GOES 13 satellite Note how the surface features such as frozen snow covered interior lakes and the Lake Superior shoreline appear to have significantly less image to image movement on GOES 13 versus GOES 12 this is a result of changes to the GOES 13 spacecraft bus which now has an improved Image Navigation and Registration INR system that uses star trackers to provide precision image navigation and registration information This improved navigation will allow for better accuracy of satellite products such as satellite derived winds or atmospheric motion vectors Another item of interest which is apparent in these images is the fact that Duluth Minnesota KDLH recorded it s first Christmas Day with no snow on the ground since snowfall records began there in 1875 A MODIS true color image of Wisconsin confirms the lack of snow cover over the immediate Duluth vicinity and adjacent portions of northwestern Wisconsin while some snow cover did exist to the north west and south of Duluth even those areas generally had only 1 4 inches on the ground Posted in GOES 12 GOES 13 No Comments Older 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 December 2006 M T W T F S S Nov Jan 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 31 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

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/date/2006/12 (2012-11-14)
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  • November « 2006 « CIMSS Satellite Blog
    on 29 November 2006 These contrails were best seen using the Band 26 1 3µm near IR channel above and the Band 27 6 7µm water vapor channel below Rawinsonde data from Peachtree City GA KFFC and Greensboro NC KGSO indicated increasing moisture aloft within the range of altitudes common for commercial jets around 35 000 feet the contrails were relatively long lived within this relatively moist environment GOES 12 water vapor channel animation Posted in Aviation General interpretation GOES 12 MODIS No Comments Cold air in northwestern Canada November 27th 2006 A very cold arctic air mass had been building over central Alaska and northwestern Canada during the latter half of November 2006 surface air temperatures colder than 40 F 40 C have been reported daily over that region since 21 November A NOAA 15 AVHRR 10 8µm IR window channel image centered over the southern Yukon Territory above on 27 November surface analysis revealed that the coldest air 40 to 50 C darker blue enhancement was settling into the lower elevations of the river valleys Narrow lakes along and south of the Yukon Territory British Columbia border exhibited significantly warmer IR brightness temperatures 10 to 20 C orange to yellow enhancement due to heat radiating upward through the snow and ice covered lake surfaces A similar IR image centered a bit farther east over the Northwest Territories below showed warmer brightness temperatures over the higher terrain of the Mackenzie and Selwyn Mountains 20 to 30 C yellow to cyan enhancement those higher terrain features rose above the level of the strong temperature inversion which was trapping the coldest air near the surface at lower elevations This IR image also revealed a comparatively warm signature 0 to 20 C red to yellow enhancement from the snow and ice covered surface of Great Bear Lake in the northern portion of the image The 1 km resolution of the NOAA 15 AVHRR instrument showed the small scale structure of these temperature features much better than the 4 km resolution of GOES 11 which had degraded to an effective resolution of about 12 km due to the 65 degree satellite viewing angle this is quite apparent looking at a NOAA 15 GOES 11 IR image fader Java applet Posted in AVHRR GOES 11 POES Winter weather No Comments Older 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 November 2006 M T W T F S S Oct Dec 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

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/date/2006/11 (2012-11-14)
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  • October « 2006 « CIMSS Satellite Blog
    is distributed both north and south of the Palmer Divide a west to east oriented ridge of higher terrain across eastern Colorado upslope flow played an important role in focusing heavy snowfall during different stages of the storm A closer view of the Denver area using a MODIS 500 meter resolution true color image below shows that many of the small lakes are still unfrozen and stand out against the surrounding snow covered land surfaces Posted in General interpretation MODIS Winter weather No Comments Fatal fire in California October 26th 2006 The large 40 000 acre or 63 square mile Esperanza wildfire started during the early morning hours on 26 October 2006 in a portion of the San Bernardino National Forest near Banning California west of Palm Springs this fire quickly burned out of control and was responsible for the deaths of 5 firefighters Santa Ana winds across the region were creating favorable conditions for rapid fire growth the dew point at nearby Palm Springs dropped from 55 F at 19 UTC on 25 October to 1 F at 07 UTC on 26 October GOES 11 3 9µm IR imagery QuickTime animation above showed very hot brightness temperatures yellow to red enhancement in the vicinity of this large fire hot fire pixels were first evident at 08 15 UTC 01 15 AM local time and image pixel values reached the saturation temperature of the GOES 11 3 9µm detectors 337 2 K 64 C 147 F as early as 12 45 UTC 5 45 AM local time The Wildfire ABBA product GOES 11 GOES 12 also indicated saturated fire pixels yellow in that area 20 45 UTC WF ABBA image GOES 11 visible channel imagery QuickTime animation below showed a very large smoke plume from this fire which was dispersed in different directions due to directional wind shear between the surface and the 500 hPa level 18 000 feet in altitude MODIS imagery of the fire from 26 October is posted on the UMBC Air Quality Smog Blog while the IDEA Aerosol Optical Depth product from the following day shows continued smoke transport out across the adjacent Pacific Ocean Posted in Fire detection GOES 11 GOES 12 No Comments Older 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 October 2006 M T W T F S S Sep Nov 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 31 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

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/date/2006/10 (2012-11-14)
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  • September « 2006 « CIMSS Satellite Blog
    the UP of Michigan photo into north central Wisconsin close up MODIS image of Wisconsin The amber colors of the vegetation across much of northeastern Iowa and southeastern Minnesota are due to harvested corn and wheat fields that are now dormant Posted in General interpretation MODIS No Comments Severe convection at 1 minute intervals September 22nd 2006 A 200 image animation 29 MB QuickTime movie above of Super Rapid Scan Operations SRSO GOES 10 visible channel imagery shows the development of supercell thunderstorms at 1 minute intervals across northern Arkansas and southern Missouri between 17 00 and 22 07 UTC 12 00 Noon and 5 07 PM local time on 22 September During that time period this particular convection produced softball size hail 4 25 inches in diameter and multiple tornadoes across southern Missouri including one producing F4 damage near Crosstown and 3 0 inch diameter hail in northern Arkansas SPC storm reports Heavy rainfall and flash flooding was also reported with 10 16 inches of rain falling at Myrtle Missouri near the Missouri Arkansas border Additional details on these storms are available from the St Louis MO and Springfield MO NWS offices An AWIPS MODIS GOES comparison of the InfraRed IR and visible channel images around 19 30 UTC below shows well defined enhanced v signatures on the IR window channel imagery At that time the IR cloud top temperatures in the vicinity of the overshooting tops over northern Arkansas were as cold as 86 C on the 1 km resolution MODIS IR data versus 68 C on the 4 km resolution GOES IR data A 100 image QuickTime animation of the GOES 10 IR window channel imagery shows the evolution of the various enhanced v signatures during the 17 45 20 19 UTC time period 12 45 3 19 PM local time Posted in GOES 10 MODIS Severe convection No Comments Older 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 2006 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

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/date/2006/09 (2012-11-14)
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  • October « 2005 « CIMSS Satellite Blog
    show that the turbidity of the offshore waters increased dramatically due to the strong winds and heavy wave action associated with the tropical cyclone Posted in GOES 12 MODIS 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 October 2005 M T W T F S S Aug 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 31 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

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/date/2005/10 (2012-11-14)
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