{"id":51239,"date":"2023-03-21T18:25:00","date_gmt":"2023-03-21T18:25:00","guid":{"rendered":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/?p=51239"},"modified":"2023-03-22T17:59:45","modified_gmt":"2023-03-22T17:59:45","slug":"severe-wind-and-rain-in-california","status":"publish","type":"post","link":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/archives\/51239","title":{"rendered":"Severe Winds, Snow, and Rain in California"},"content":{"rendered":"\n<p>Rotation off the coast of California near San Francisco was present on Tuesday 2023-03-21 as the area got hit with rains and high windspeeds. The rotation is apparent in both visible RGB satellite imagery and radar reflectivity, animated below using RealEarth. Circular formations in cloud structure, seen by GOES-16, and rain bands picked up in the radar, are visible.<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"1576\" style=\"aspect-ratio: 2872 \/ 1576;\" width=\"2872\" controls src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2023\/03\/CA_rotation.mov\"><\/video><figcaption class=\"wp-element-caption\">GOES-16 true color imagery and NEXRAD Radar Reflectivity every hour off the coast of the Bay Area, California from 2023-03-21 1600Z to 2023-03-22 1600Z . Rotational structure in the clouds and precipitation can be seen. This animation can be <a href=\"https:\/\/realearth.ssec.wisc.edu\/?products=nexrhres.100,G16-ABI-FD-TC.100&amp;center=37.58811876638322,-118.49853515625001&amp;zoom=6&amp;width=1180&amp;height=789&amp;basemap=bw&amp;labels=google&amp;view=leaflet&amp;timerange=2023-03-21%2016:00:00,2023-03-22%2016:00:00&amp;timestep=1h&amp;animationspeed=50\" target=\"_blank\" rel=\"noreferrer noopener\">recreated in RealEarth<\/a>.<\/figcaption><\/figure>\n\n\n\n<p>Flood advisories have been issued along much of the state of California, including Los Angeles and Orange Counties. <a href=\"https:\/\/www.cnn.com\/2023\/03\/21\/weather\/california-atmospheric-river-tuesday\/index.html\" target=\"_blank\" rel=\"noreferrer noopener\">Windspeeds as high as 102 mph were reported near Santa Clarita, CA and 74 mph in Oakland, CA. <\/a><\/p>\n\n\n\n<p>California isn&#8217;t the only state in the region to experience an excess in rain. Much of central and Northern Arizona are also under flood warnings. Below, the &#8216;Excessive Rainfall Outlook&#8217; product is displayed in RealEarth. The Excessive Rainfall Outlook is a forecast of the likelihood that rainfall will exceed flash flood guidance (FFG) at a point. <a rel=\"noreferrer noopener\" href=\"https:\/\/www.wpc.ncep.noaa.gov\/qpf\/excessive_rainfall_outlook_ero.php\" target=\"_blank\">This product is issued by the Weather Prediction Center<\/a><a href=\"https:\/\/www.wpc.ncep.noaa.gov\/qpf\/excessive_rainfall_outlook_ero.php\" target=\"_blank\" rel=\"noreferrer noopener\"> <\/a><a rel=\"noreferrer noopener\" href=\"https:\/\/www.wpc.ncep.noaa.gov\/qpf\/excessive_rainfall_outlook_ero.php\" target=\"_blank\">(WPC).<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1917\" height=\"1052\" src=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2023\/03\/ExcessiveRainfallCA-edited.png\" alt=\"\" class=\"wp-image-51243\" srcset=\"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2023\/03\/ExcessiveRainfallCA-edited.png 1917w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2023\/03\/ExcessiveRainfallCA-edited-300x165.png 300w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2023\/03\/ExcessiveRainfallCA-edited-1024x562.png 1024w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2023\/03\/ExcessiveRainfallCA-edited-768x421.png 768w, https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-content\/uploads\/sites\/5\/2023\/03\/ExcessiveRainfallCA-edited-1536x843.png 1536w\" sizes=\"auto, (max-width: 1917px) 100vw, 1917px\" \/><figcaption class=\"wp-element-caption\">The Excessive Rainfall Outlook forecasts the likelihood of flooding. Much of Central and Southern California, as well as Central and Northern Arizona, were at risk of flooding on 2023-03-21. You can <a href=\"https:\/\/realearth.ssec.wisc.edu\/?products=ERTA-NCEP.100&amp;center=36.4477991295848,-116.19140625000001&amp;zoom=6&amp;width=1180&amp;height=789&amp;basemap=bw&amp;labels=google&amp;view=leaflet&amp;timerange=2023-03-21%2016:00:00,2023-03-22%2016:00:00&amp;timestep=1h&amp;animationspeed=50\" target=\"_blank\" rel=\"noreferrer noopener\">explore the Excessive Rainfall Outlook product using RealEarth<\/a>.<\/figcaption><\/figure>\n\n\n\n<p>More than 121,000 Californians were&nbsp;<a rel=\"noreferrer noopener\" href=\"https:\/\/poweroutage.us\/area\/state\/california\" target=\"_blank\">without power<\/a>&nbsp;Wednesday morning and <a href=\"https:\/\/www.nytimes.com\/2023\/03\/21\/us\/california-storm-evacuations-weather.html\" target=\"_blank\" rel=\"noreferrer noopener\">two have been killed<\/a> by fallen trees.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Rotation off the coast of California near San Francisco was present on Tuesday 2023-03-21 as the area got hit with rains and high windspeeds. The rotation is apparent in both visible RGB satellite imagery and radar reflectivity, animated below using RealEarth. Circular formations in cloud structure, seen by GOES-16, and rain bands picked up in [&hellip;]<\/p>\n","protected":false},"author":27,"featured_media":51243,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[74,16,53],"tags":[],"class_list":["post-51239","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-goes-16","category-heavy-rain-flooding","category-real-earth"],"acf":[],"_links":{"self":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/51239","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\/27"}],"replies":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/comments?post=51239"}],"version-history":[{"count":4,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/51239\/revisions"}],"predecessor-version":[{"id":51247,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/posts\/51239\/revisions\/51247"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media\/51243"}],"wp:attachment":[{"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/media?parent=51239"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/categories?post=51239"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cimss.ssec.wisc.edu\/satellite-blog\/wp-json\/wp\/v2\/tags?post=51239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}