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  • IN KINGMAN AIRPORT ASOS 1159 PM SEP 11 0 07 IN 3 NE BULLHEAD CITY 1198 FT APRSWXNET 1204 AM SEP 12 0 06 IN 11 W VALENTINE 3121 FT MESOWEST 1017 PM SEP 11 0 02 IN 4 E MEADVIEW 2987 FT MESOWEST 1027 PM SEP 11 0 02 IN 4 SSW CHLORIDE 3541 FT MESOWEST 1004 PM SEP 11 0 02 IN 5 ENE LAKE HAVASU CITY APRSWXNET 1118 PM SEP 11 0 01 IN 2 NE KINGMAN 3418 FT MESOWEST 1030 PM SEP 11 T IN CALIFORNIA INYO COUNTY HUNTER MOUNTAIN RAWS 6880 FT GOES 1000 PM SEP 11 0 29 IN PANAMINT 6880 FT GOES 1050 PM SEP 11 0 13 IN SAN BERNARDINO COUNTY HORSE THIEF SPRINGS RAWS GOES 1151 PM SEP 11 0 03 IN 8 ENE WEST WIND AERO APRSWXNET 1115 PM SEP 11 0 03 IN NEVADA CLARK COUNTY TROPICANA WASH AT SWENSON CCRFCD 1159 PM SEP 11 2 09 IN KYLE CANYON 7200 FT GOES 1050 PM SEP 11 1 55 IN NWS LAS VEGAS 2275 FT NWS STAFF 1214 AM SEP 12 1 20 IN MCCARRAN INTL AIRPORT ASOS 1159 PM SEP 11 1 18 IN 3 E HENDERSON EXECUTIVE APRSWXNET 1056 PM SEP 11 1 09 IN 3 ENE HENDERSON EXECUTIVE APRSWXNET 1053 PM SEP 11 0 91 IN NORTH LAS VEGAS AIRPORT ASOS 1159 PM SEP 11 0 85 IN LAS VEGAS WASH NR SAHARA AVE GOES 1215 AM SEP 12 0 82 IN SAM S TOWN 1691 FT APRSWXNET 1246 AM SEP 12 0 67 IN 2 ENE GREEN VALLEY 1745 FT APRSWXNET 1102 PM SEP 11 0 63 IN 2 SW NELLIS AFB 1863 FT APRSWXNET 1252 AM SEP 12 0 55 IN 2 NNE SLOAN 2460 FT APRSWXNET 1007 PM SEP 11 0 50 IN HENDERSON EXECUTIVE AIRPORT ASOS 1159 PM SEP 11 0 42 IN 6 NW SLOAN 2723 FT APRSWXNET 1103 PM SEP 11 0 40 IN MUDDY R 1710 FT GOES 1115 PM SEP 11 0 30 IN NELLIS AFB ASOS 1159 PM SEP 11 0 28 IN RED ROCK RAWS 3760 FT GOES 1000 PM SEP 11 0 27 IN NEVADA DESERT NWR RAWS 7120 FT GOES 1030 PM SEP 11 0 20 IN FLAMINGO WASH AT NELLIS BLVD GOES 1030 PM SEP 11 0 20 IN SLOAN CHANNEL AT CHARLESTON BLVD GOES 1015 PM SEP 11 0 18 IN YUCCA GAP 3179 FT GOES 1024 PM SEP 11 0 18 IN SLOAN CHANNEL TRIB AT LAS VEGAS BLVD 1000 PM SEP 11 0 14 IN LAS VEGAS WASH VEGAS VALLEY DR 1115 PM SEP 11 0 10 IN RAWS 5500 FT GOES 1059 PM SEP 11 0 06 IN RAINBOW CANYON 7975 FT SNOTEL 1200 AM SEP 12 0 06 IN 3 NNE MESQUITE 1967 FT MESOWEST 1001 PM SEP 11 0 05 IN 5 NNE BIG BEND RAWS 2421 FT MESOWEST 1138 PM SEP 11 0 04 IN 9 ESE JEAN 3170 FT MESOWEST 1016 PM SEP 11 0

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/wp-content/uploads/2012/09/120912_kvef_pns.text (2012-11-14)
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  • Wildfires in the northwestern US « CIMSS Satellite Blog
    0 8 µm Day Night Band 3 73 µm shortwave IR and 11 45 µm longwave IR images 31 August Update A night time image comparison of the VIIRS 0 8 µm Day Night Band and the corresponding 3 74 µm shortwave IR below revealed areas of smoke that were trapped in some of the valleys of central Idaho at 09 34 UTC 3 34 AM local time on 31 August 2012 Suomi NPP VIIRS 0 8 µm Day Night Band image 3 74 µm shortwave IR image Posted in Fog detection GOES sounder GOES 13 Suomi NPP 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

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/11219 (2012-11-14)
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  • Mesoscale Convective System over Alabama « CIMSS Satellite Blog
    With illumination from moonlight the Suomi NPP VIIRS 0 7 µm Day Night Band DNB can serve as a visible channel at night and a comparison with the corresponding 11 45 µm IR image below aided in the identification of features such as overshooting tops and thunderstorm top gravity waves Note how some city lights can be seen through the thinner edges of the MCS cirrus canopy Suomi NPP VIIRS 0 7 µm Day Night Band image 11 45 µm IR channel image This MCS produced a great deal of lightning with over 2500 cloud to ground strikes in the 15 minute period preceeding the VIIRS DNB image below Also note the appearance of several brighter white smeared pixels which indicated portions of the thunderstorm cloud top which were illuminated by lightning as the VIIRS instrument was scanning the area Suomi NPP VIIRS 0 7 µm Day Night Band image METAR surface reports cloud to ground lightning strikes The Blended Total Precipitable Water TPW product below click image to play animation indicated that the MCS was moving southward toward an axis of higher TPW values 50 60 mm or 2 0 2 4 inches red to purple color enhancement Blended Total Precipitable Water product A closer view using 10 km resolution GOES 13 sounder derived product images of TPW Lifted Index and Convective Available Potential Energy below showed that there were pockets of higher moisture and instability ahead of the advancing MCS GOES 13 sounder Total Precipitable Water Lifted Index and Convective Available Potential Energy derived product images Posted in AVHRR GOES sounder GOES 13 Lightning POES Severe convection Suomi NPP 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

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/10930 (2012-11-14)
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  • GOES sounder « CIMSS Satellite Blog
    the MCS and the attendant hail and damaging winds reports The GOES 13 IR images also exhibited unusually cold IR brightness temperatures at times as low as 81º C at 20 45 UTC GOES 13 10 7 µm IR images SPC storm reports click image to play animation During the following overnight hours the core of the derecho continued to move southeastward across West Virginia Virginia and eventually to the East Coast and the adjacent offshore waters of the Atlantic Ocean In addition to creating a widespread swath of damging winds at the surface the MCS was also responsible for a number of reports of high altitude turbulence as seen on 4 km resolution GOES 13 10 7 µm IR images with overlays of pilot reports of turbulence below click image to play animation Severe turbulence was reported over or near the periphery of the storm at 01 00 UTC 02 16 UTC and 02 45 UTC GOES 13 10 7 µm IR channel images Pilot reports of turbulence click image to play animation Better storm top structure can be seen on a sequence of 1 km resolution POES AVHRR 12 0 µm and MODIS 11 0 µm IR images below including a very detailed view of the transverse banding that formed along the northern 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

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/category/goes-sounder/page/2 (2012-11-14)
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  • Farewell to GOES-10 « CIMSS Satellite Blog
    example much of South America now has routine 15 minute coverage GOES East will provide only half hourly coverage This image loop shows the motion of a smoke plume at 15 minute intervals near the Tocantins River just south to the Amazon Delta A similar loop from GOES East is here Reduced temporal resolution introduces greater error to both cloud tracked features derived winds and fires detected Similar views from different vantage points can be important Consider for example the twin views of northeast Brazil in the 4 micron band from GOES 10 and GOES 12 Both platforms observe the fires in the Amazon River delta in the upper left part of the images Note however that only GOES East shows a very warm Lake behind Sobradinho Dam on the Sao Francisco River Indeed the 3 9 micron sensor has saturated on GOES East over the Equator at 75 W but GOES 10 over the Equator at 60 W shows very little signature This is an excellent example of Sun Glint in the 3 9 micron channel Solar 3 9 micron radiation reflected from the lake is saturating the instrument on GOES East GOES 10 farther east can look at the same region and not see the Sun Glint In contrast to GOES East and GOES West data data from GOES 10 have been remapped before distribution since it arrived at 60 West back in late 2006 The remapping is necessary because the satellite inclination was large indeed it was more than 4 degrees on 25 November 2009 Update The Final Imager images from GOES 10 0 65 microns 3 9 microns 6 8 microns 10 7 microns 12 0 microns Infrared Channels in a loop Current plans are for GOES 13 to replace GOES 12 as GOES East in April of 2010 Subsequently GOES 12 will move to 60 W and resume GOES 10 s duties Posted in General interpretation GOES 10 Comments Off Comments are closed 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

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/3990 (2012-11-14)
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  • Air France Flight #447: did weather play a role in the accident? « CIMSS Satellite Blog
    15 UTC Could this rapidly developing convective cell have generated severe turbulence that affected Air France flight 447 as it was passing nearby en route to waypoint TASIL Meteosat 9 Water Vapor IR brightness temperature difference A comparison of the 3 km resolution Meteosat 9 10 8 µm IR and the 4 km resolution GOES 10 10 7 µm IR images below magnified to an effective resolution of 1 km shows that the cloud top IR brightness temperatures generally appeared to be about 3 6º C warmer on the GOES 10 imagery the coldest GOES 10 IR brightness temperature was 77º C at 01 15 UTC The coarser 4 km GOES 10 IR pixel resolution tended to smooth out the small scale temperature structure of the cold cloud tops therefore a finer cloud top temperature structure was apparent on the 3 km resolution Meteosat 9 IR imagery Meteosat 9 and GOES 10 IR images The 00 00 UTC rawinsonde report from Fernando de Noronha Brazil below indicated that the tropical tropopause level was probably located near the 100 hPa pressure level at a height of 16 649 meters or 54 623 feet where the minimum temperature was 77 7º C The presence of cloud top IR brightness temperatures colder than 80º C on the Meteosat 9 imagery suggests that many of the strongest updrafts were likely penetrating the tropopause and such overshooting thunderstorm updrafts have been known to initiate strong gravity waves aloft that have generated moderate to severe turbulence Fernando de Noronha rawinsonde report Meteosat 9 6 25 µm water vapor channel images below showed none of the typical water vapor signatures associated with turbulence in the immediate region of the ITCZ convection however it did indicate the presence of a southwestward propagating wave located between 7 8º N latitude and 35 40º W longitude that appeared to be responsible for initiating the formation of a patch of high clouds near 8º N 38º W The water vapor imagery depicted a region of drier mid tropospheric air immediately to the north of the ITCZ convection suggesting synoptic scale subsidence aloft in that area Also note that within this region of drier air to the north of the ITCZ there was an interesting pattern of subtle impulses which were propagating westward Meteosat 9 water vapor images Meteosat 9 water vapor winds from the CIMSS Tropical Cyclones site valid at 00 00 03 00 and 06 00 UTC below showed that the upper tropospheric winds were weakly divergent over area of the ITCZ convection 150 300 hPa divergence plot with only a minimal amount 5 10 knots of deep layer wind shear in that particular region The water vapor imagery also depicted a dry moist gradient signature associated with a subtropical jet stream which was moving over the northwestern coast of Africa while the deep layer wind shear was increasing between the ITCZ convection and the subtropical jet to a maximum value exceeding 60 knots it is questionable whether the aircraft

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/2601 (2012-11-14)
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  • Chaiten Erupts « CIMSS Satellite Blog
    micrometer and 13 3 micrometer bands from the Sounder Click here to see an animated gif every from every four hours that is each hour for when sounder data are available An AVHRR false color image from 05 May below viewed using Google Earth revealed a long plume from the Chaiten volcano which stretched eastward across Argentina and then southeastward over the South Atlantic Ocean Posted in AVHRR General interpretation GOES sounder GOES 10 Google Earth Volcanic activity 1 Comment One Response to Chaiten Erupts Film indir says 6 May 2008 at 23 22 Bad chance for Chilen people At least Chitaen erupted I hope the this problems are solved in a short time Thanks for information 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

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/650 (2012-11-14)
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  • Using GOES-10 imagery to detect ash clouds from the Tungurahua volcano in Ecuador « CIMSS Satellite Blog
    day Two days later on 08 February below a new ash cloud was seen to be drifting almost due west Then on 10 February below two separate ash clouds could be seen one drifting eastward and one drifting westward as changes in wind direction with height wind shear moved the volcanic ash plumes in different directions Posted in GOES 10 Volcanic activity 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

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/608 (2012-11-14)
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