{"id":8888,"date":"2011-09-16T17:19:03","date_gmt":"2011-09-16T17:19:03","guid":{"rendered":"http:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=8888"},"modified":"2011-09-16T21:02:33","modified_gmt":"2011-09-16T21:02:33","slug":"river-valley-fog-in-pennsylvania","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/8888","title":{"rendered":"River valley fog in Pennsylvania"},"content":{"rendered":"<div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2011\/09\/110916_modis_goes_fog_pa_anim.gif\"><img loading=\"lazy\" decoding=\"async\" title=\"1-km resolution MODIS fog product + 4-km resolution GOES-13 fog product\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2011\/09\/110916_modis_goes_fog_pa_anim.gif\" alt=\"1-km resolution MODIS fog product + 4-km resolution GOES-13 fog product\" width=\"480\" height=\"450\" \/><\/a><p class=\"wp-caption-text\">1-km resolution MODIS fog product + 4-km resolution GOES-13 fog product<\/p><\/div>\n<p>&nbsp;<\/p>\n<p>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:<\/p>\n<blockquote><p><tt>AREA FORECAST DISCUSSION<br \/>\nNATIONAL WEATHER SERVICE STATE COLLEGE PA<br \/>\n526 AM EDT FRI SEP 16 2011<\/tt><\/p>\n<p><tt>.SYNOPSIS...<br \/>\nA 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.<\/tt><\/p>\n<p><tt> <\/tt><tt><\/tt><tt>.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. <\/tt><\/p><\/blockquote>\n<p>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 <em><strong>(above)<\/strong><\/em> 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.<\/p>\n<p>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 <em><strong>(below)<\/strong><\/em> 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.<\/p>\n<p>&nbsp;<\/p>\n<div style=\"width: 490px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2011\/09\/110916_poes_avhrr_goes_fog_pa_anim.gif\"><img loading=\"lazy\" decoding=\"async\" title=\"1-km resolution POES AVHRR fog product + 4-km resolution GOES-13 fog product\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2011\/09\/110916_poes_avhrr_goes_fog_pa_anim.gif\" alt=\"1-km resolution POES AVHRR fog product + 4-km resolution GOES-13 fog product\" width=\"480\" height=\"450\" \/><\/a><p class=\"wp-caption-text\">1-km resolution POES AVHRR fog product + 4-km resolution GOES-13 fog product<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; 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&#8230; A LARGE HIGH PRESSURE SYSTEM OVER THE [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[22,13,11,12,26],"tags":[],"class_list":["post-8888","post","type-post","status-publish","format-standard","hentry","category-avhrr","category-fog-detection","category-goes-13","category-modis","category-poes"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/8888","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/comments?post=8888"}],"version-history":[{"count":4,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/8888\/revisions"}],"predecessor-version":[{"id":8892,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/8888\/revisions\/8892"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=8888"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=8888"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=8888"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}