{"id":42179,"date":"2021-08-25T16:07:00","date_gmt":"2021-08-25T16:07:00","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=42179"},"modified":"2021-08-26T21:01:44","modified_gmt":"2021-08-26T21:01:44","slug":"sar-winds-over-the-pacific-ocean","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/42179","title":{"rendered":"SAR Winds over the Pacific Ocean"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2021\/08\/RCM2_SHUB_2021_08_25_15_28_00_0683220480_138.73W_51.41N_HH_C5_GFS05CDF_wind.png\"><img loading=\"lazy\" decoding=\"async\" width=\"2162\" height=\"1955\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2021\/08\/RCM2_SHUB_2021_08_25_15_28_00_0683220480_138.73W_51.41N_HH_C5_GFS05CDF_wind.png\" alt=\"\" class=\"wp-image-42180\" srcset=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2021\/08\/RCM2_SHUB_2021_08_25_15_28_00_0683220480_138.73W_51.41N_HH_C5_GFS05CDF_wind.png 2162w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2021\/08\/RCM2_SHUB_2021_08_25_15_28_00_0683220480_138.73W_51.41N_HH_C5_GFS05CDF_wind-300x271.png 300w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2021\/08\/RCM2_SHUB_2021_08_25_15_28_00_0683220480_138.73W_51.41N_HH_C5_GFS05CDF_wind-1024x926.png 1024w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2021\/08\/RCM2_SHUB_2021_08_25_15_28_00_0683220480_138.73W_51.41N_HH_C5_GFS05CDF_wind-768x694.png 768w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2021\/08\/RCM2_SHUB_2021_08_25_15_28_00_0683220480_138.73W_51.41N_HH_C5_GFS05CDF_wind-1536x1389.png 1536w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2021\/08\/RCM2_SHUB_2021_08_25_15_28_00_0683220480_138.73W_51.41N_HH_C5_GFS05CDF_wind-2048x1852.png 2048w\" sizes=\"auto, (max-width: 2162px) 100vw, 2162px\" \/><\/a><figcaption>RCM2 SAR Winds over the Pacific Ocean near 51 N, 138 W at 1528 UTC on 25 August 2021 (Click to enlarge)<\/figcaption><\/figure>\n\n\n\n<p>Synthetic Aperture Radar (SAR) winds over the northwest Pacific, above, derived from Radar Constellation Mission (RCM) Satellite #2, shows a narrow ribbon of strong winds (&gt;30 knots) stretching from 50 N, 138 W towards 53 N, 140 W.  What kind of cloud imagery is associated with this wind feature?<\/p>\n\n\n\n<p>Near-sunrise visible imagery from GOES-17, below, shows a narrow band of low-level clouds aligned with the region of stronger winds.  This does not appear to be a deep feature:  cloud shadows are much larger along the eastern edge of the visible image, which region is east of the SAR domain shown above.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2021\/08\/GOES-17_ABI_RadF_C02_20210825_1520_SARPACNWAnnottoggle.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"720\" height=\"540\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2021\/08\/GOES-17_ABI_RadF_C02_20210825_1520_SARPACNWAnnottoggle.gif\" alt=\"\" class=\"wp-image-42182\" \/><\/a><figcaption>GOES-17 Band 2 (0.64 \u00b5m) Visible Imagery at 1520 UTC on 25 August 2021, with and without Lat\/Lon lines (Click to enlarge)<\/figcaption><\/figure>\n\n\n\n<p>A zoomed-out 10.3 \u00b5m infrared image, below, documents how subtle the cloud feature associated with the strong winds is.  Blue arrows point to the region of strong winds.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2021\/08\/G17Band13_1520_25Aug2021_annottoggle.gif\"><img loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"720\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2021\/08\/G17Band13_1520_25Aug2021_annottoggle.gif\" alt=\"\" class=\"wp-image-42183\" \/><\/a><figcaption>GOES-17 Band 13 Clean Window infrared (10.3 \u00b5m) imagery, 1520 UTC on 25 August 2021 (Click to enlarge)<\/figcaption><\/figure>\n\n\n\n<p>SAR Winds are available from a variety of different satellites at <a href=\"https:\/\/www.star.nesdis.noaa.gov\/socd\/mecb\/sar\/AKDEMO_products\/APL_winds\/wind_images_nic\/sarwinds_daily_now.html?date=20210825\">this link<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Synthetic Aperture Radar (SAR) winds over the northwest Pacific, above, derived from Radar Constellation Mission (RCM) Satellite #2, shows a narrow ribbon of strong winds (&gt;30 knots) stretching from 50 N, 138 W towards 53 N, 140 W. What kind of cloud imagery is associated with this wind feature? Near-sunrise visible imagery from GOES-17, below, [&hellip;]<\/p>\n","protected":false},"author":19,"featured_media":42180,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[80,79,25],"tags":[],"class_list":["post-42179","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-17","category-microwave","category-satellite-winds"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/42179","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\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/comments?post=42179"}],"version-history":[{"count":7,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/42179\/revisions"}],"predecessor-version":[{"id":42209,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/42179\/revisions\/42209"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/42180"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=42179"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=42179"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=42179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}