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  • March « 2012 « CIMSS Satellite Blog
    the Terra and Aqua satellites MODIS imagery to supplement the degraded geostationary GOES 13 imagery during the GOES 15 outage In these 2 examples the GOES 13 viewing angle for San Francisco California is 65 degrees making the effective resolution of 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 Warm water temperatures in the Great Lakes March 21st 2012 MODIS Sea Surface Temperature product On 20 March 2012 the Milwaukee Sullivan NWS forecast office posted a story about possible record warm water temperatures in southern Lake Michigan Then on 21 March 2012 the Lake Erie water temperature measured at Buffalo New York was 39º F which tied for the warmest water temperature ever measured there during the month of March Lake Erie water temperature records An AWIPS image of the MODIS Sea Surface Temperature SST product above showed that there were a number of pockets of warm SST values in the 50s F green to yellow color enhancement within Lakes Michigan Huron Erie and Ontario with only a few isolated SST values in the 30s F darker blue color enhancement in each of those lakes Posted in Marine weather MODIS 1 Comment 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

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/date/2012/03/page/2 (2012-11-14)
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  • 02 « March « 2012 « CIMSS Satellite Blog
    to 67º C on the GOES 13 image Also evident is the northwestward parallax shift on the GOES 13 IR image due to the large viewing angle from that particular geostationary satellite located over the Equator at 75º West longitude a more accurate placement of the storm top features is seen using imagery from polar orbiting satellites that fly more directly overhead 1 km MODIS 11 0 µm IR image 4 km GOES 13 10 7 µm IR image A similar comparison between the 19 44 UTC 1 km resolution POES AVHRR 10 8 µm IR image with the corresponding 4 km resolution GOES 13 10 7 µm IR image below again demonstrated the easier identification of important storm top signatures with improved spatial resolution data These images were about 20 30 minutes before the Henryville and Marysville tornadoes in far southern Indiana 1 km POES AVHRR 10 8 µm IR image 4 km GOES 13 10 7 µm IR image Many of the supercell thunderstorms exhibited unusally fast forward motion speeds as fast as 70 80 mph due to the approach of a strong 140 knot core upper level jet streak A 1 km resolution MODIS 6 7 µm water vapor channel image with an overlay of NAM maximum wind speeds is shown below strong divergence aloft within the left exit region of this upper level jet streak helped to promote an environment supportive of strong vertical ascent MODIS 6 7 µm water vapor channel image NAM maximum wind speeds From a larger synoptic scale point of view 10 km resolution GOES 13 sounder Lifted Index LI derived product imagery below click image to play animation did begin to show a trend of destabilization early in the day within the warm sector of the mid latitude cyclone before extensive cloud cover prevented the subsequent retrieval of GOES sounder based products GOES 13 sounder Lifted Index derived product imagery click image to play animation Blended Total Precipitable Water product click image to play animation In terms of moisture the Blended Total Precipitable Water product above click image to play animation showed that TPW values in excess of 25 mm or 1 0 inch were being drawn northward within the warm sector of the cyclone These TPW values were near or even in excess of 200 percent above normal for many areas for this early in the season below click image to play animation Percent of Normal Blended Total Precipitable Water click image to play animation 10 March Update Before 01 March and after 10 March MODIS true color RGB images A comparison of before 01 March 2012 and after 10 March 2012 250 meter resolution MODIS true color Red Green Blue RGB images from the SSEC MODIS Today site above revealed the southwest to northeast oriented tornado damage path from the Henryville Indiana EF4 tornado Posted in AVHRR GOES sounder GOES 13 GOES R MODIS POES Red Green Blue RGB images Severe convection No Comments Webmaster Follow us on Search

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/date/2012/03/02 (2012-11-14)
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  • 04 « March « 2012 « CIMSS Satellite Blog
    63 µm visible channel images click image to play animation A similar Tehuano wind event was seen on 08 March 2008 Posted in Air quality GOES 13 Satellite winds 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 March 2012 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 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/date/2012/03/04 (2012-11-14)
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  • 06 « March « 2012 « CIMSS Satellite Blog
    Comments Heavy rainfall in Hawaii March 6th 2012 GOES 15 10 7 µm IR channel images click image to play animation McIDAS images of GOES 15 10 7 µm IR channel data above click image to play animation showed the cold cloud tops some 60º C and colder red color enhancement associated with numerous large thunderstorms that moved across the northern Hawaiian Islands of Kauai and Oahu during the 04 March 06 March 2012 period Storm total rainfall amounts were as high as 35 97 inches at Hanalei on Kauai and 15 64 inches at Punaluu Stream on Oahu Lihue on Kauai set a new daily record rainfall amount with 8 64 inches falling on 05 March As one of the largest thunderstorm complexes was approaching the island of Kauai from the southwest around 03 UTC on 06 March 5 pm local time on 05 March a comparison of a 1 km resolution NOAA 15 AVHRR 10 8 µm IR channel image to the corresponding 4 km resolution GOES 15 10 7 µm IR channel image below demonstrated the advantage of higher spatial resolution for identifying the location of colder cloud top IR brightness temperatures associated with convective overshooting tops Southwest of Kauai the coldest IR temperature on the AVHRR image was 70º C compared to 62º C on the GOES 15 image NOAA 15 AVHRR 10 8 µm IR image GOES 15 10 7 µm IR image AWIPS images of the MIMIC Total Precipitable Water product with overlays of surface analyses below longer animation showed that deep moisture was pooling along a stationary frontal boundary wind shear axis that was situated between the islands of Kauai and Oahu Note to NWS forecast offices MIMIC TPW is available in AWIPS via LDM subscription MIMIC Total Precipitable Water product Surface analyses GOES 15 6 5 µm water vapor channel images with water vapor Atmospheric Motion Vector AMV winds from the CIMSS Tropical Cyclones site above showed that a well defined trough of low pressure was located to the northwest of the Hawaiian Islands during the 05 March 06 March period GOES 15 6 5 µm water vapor images water vapor atmospheric motion vector winds Upper tropospheric divergence derived from these satellite AMVs below revealed a trend of increasing divergence aloft over the northern Hawaiian Islands as the trough approached GOES 15 6 5 µm water vapor images satellite wind derived upper level divergence Juxtaposed beneath the strong upper tropospheric divergence was strong lower tropospheric convergence in the vicinity of the stationary front wind shear axis as seen in GOES 15 10 7 µm IR images with contours of IR satellite wind derived 850 925 hPa convergence below This created a favorable environment for upward vertical motion with plenty of deep moisture to fuel the development of the strong thunderstorms GOES 15 10 7 µm IR images satellite wind derived lower level convergence Posted in AVHRR GOES 15 Heavy rain flooding POES Satellite winds No Comments Webmaster Follow us on Search for

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/date/2012/03/06 (2012-11-14)
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  • 11 « March « 2012 « CIMSS Satellite Blog
    VISIT SHyMet Training Topics March 2012 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 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 AMRC Antarctic composite image animations SSEC AMRC Arctic composite image animation SSEC Geostationary Satellite Images SSEC Global IR Mosaic Images SSEC MODIS Direct

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/date/2012/03/11 (2012-11-14)
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  • 12 « March « 2012 « CIMSS Satellite Blog
    of I 69 in lower Michigan The visible imagery above bracketing the observed time of the tornado near the yellow box shows a strong thunderstorm By this time the possible sting jet has rotated northward into western Ontario so its influence on the environment in Michigan would be secondary The sounding from DTX at 2300 UTC shows a favorable low level wind profile Posted in General interpretation GOES 13 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 March 2012 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 Ground at the Aviation Weather

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/date/2012/03/12 (2012-11-14)
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  • 14 « March « 2012 « CIMSS Satellite Blog
    synthesizes model and satellite data together better fog low cloud detection occurs in regions where high clouds make low cloud detection difficult Note how the probability of a visibility obstruction increases during the course of the night and how places that develop fog are among the first to see a LIFR signal The visible imagery from GOES 13 below shows the characteristic erosion of the low clouds from outside in during the course of the subsequent day As usually happens cumulus development is suppressed in regions where low clouds persist during the morning GOES 13 Visible 0 63 µm click image to play animation Posted in Fog detection General interpretation GOES 13 GOES R 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 March 2012 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

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/date/2012/03/14 (2012-11-14)
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  • 15 « March « 2012 « CIMSS Satellite Blog
    showed up at the darker gray to black enhanced features on the MODIS fog stratus product image below The corresponding MODIS Instrument Flight Rules IFR and Low Instrument Flight Rules LIFR Probability products indicated a number of areas with IFR and or LIFR probabilities in excess of 80 90 darker red color enhancement MODIS fog stratus product IFR Probability product LIFR Probability product Posted in Aviation Fog detection General interpretation MODIS Red Green Blue RGB images 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 March 2012 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

    Original URL path: http://cimss.ssec.wisc.edu/goes/blog/archives/date/2012/03/15 (2012-11-14)
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