{"id":5222,"date":"2017-07-04T08:56:55","date_gmt":"2017-07-04T14:56:55","guid":{"rendered":"https:\/\/www.coloradofloodthreat.com\/?p=5222"},"modified":"2017-07-04T08:56:55","modified_gmt":"2017-07-04T14:56:55","slug":"ftb-07-04-2017-upper-level-ridge-building-out-west","status":"publish","type":"post","link":"https:\/\/archive-coftb.dewberryanalytics.com\/?p=5222","title":{"rendered":"FTB 07-04-2017: Upper-Level Ridge Building Out West"},"content":{"rendered":"<p>Issue Date: 7\/4\/2017<br>\nIssue Time: 9:00 AM<\/p>\n<p><em>NO FLOOD THREAT IS FORECAST.<\/em><\/p>\n<p>Mother Nature is doing her best to give Colorado nice weather for Independence Day, and generally speaking, she is coming through. A strong, upper-level ridge is building in from the west today, and will result in increasing subsidence and decreasing showers\/storms as compared to the past few days. There is still enough shallow moisture in place for <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;isolated&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;less than 10% areal coverage&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>isolated<\/span> showers\/thunderstorms this afternoon and evening, but for most regions they will produce more gusty winds and lightning than rain.<\/p>\n<p><a href=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2017\/07\/VIS_20170704.png\"><img loading=\"lazy\" class=\"wp-image-5223 aligncenter\" src=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2017\/07\/VIS_20170704.png\" alt=\"\" width=\"797\" height=\"459\"\/><\/a><\/p>\n<p>The exception to this will be over the far eastern plains, where a bit more surface moisture and instability exists, giving the atmosphere an opportunity to produce brief periods of moderate rainfall, hail up to 1 inch in diameter, and strong winds up to 60 mph. Rain rates will still not meet <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;flash flood&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;&amp;lt;!-- wp:paragraph {&amp;quot;textColor&amp;quot;:&amp;quot;white&amp;quot;} --&amp;gt;\n&amp;lt;p class=&amp;quot;has-white-color has-text-color&amp;quot;&amp;gt;flash flooding can refer to usually dry areas becoming rapidly inundated with water, or rapid water level rises on streams, creeks, or rivers beyond flood stage; typically caused by heavy rainfall, but can also be caused by meltwater&amp;lt;\/p&amp;gt;\n&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>flash flood<\/span> thresholds, so no flood threat is warranted. For more information regarding timing and rain rates, please see the zone-specific forecast discussions below.<\/p>\n<h3><strong>Today&rsquo;s Flood Threat Map<\/strong><\/h3>\n<p>For more information on today&rsquo;s flood threat, see the map below (hover over threat areas for more details). For Zone-Specific forecasts, jump below the map.<\/p>\n<div style=\"position: relative;\"><iframe loading=\"lazy\" src=\"https:\/\/a.tiles.mapbox.com\/v4\/sgeiger.m2iiic0j\/attribution,zoompan,zoomwheel,geocoder,share.html?access_token=pk.eyJ1Ijoic2dlaWdlciIsImEiOiJmNjc5a3RBIn0.LbLupVkJsS5dbo9fsgrTDg\" width=\"100%\" height=\"500px\" frameborder=\"0\"><\/iframe><\/div>\n<div><img loading=\"lazy\" class=\"alignright wp-image-135\" src=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2015\/04\/floodthreat_legend2.png\" alt=\"Flood Threat Legend\" width=\"275\" height=\"71\"\/><\/div>\n<h3><\/h3>\n<h3><strong>Zone-Specific Forecasts<\/strong><\/h3>\n<h4><strong>Palmer Ridge, Northeast Plains, and Southeast Plains:<\/strong><\/h4>\n<p>Mostly sunny skies and hot temperatures will be the main weather story today, with <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;isolated&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;less than 10% areal coverage&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>isolated<\/span> thunderstorms expected to break up the otherwise quiet weather during the afternoon and evening hours. Maximum rain rates are as follows:<\/p>\n<p>Western half of Palmer Ridge: 0.2-0.4 inches\/hour<br>\nEastern half of Palmer Ridge: 0.4-0.8 inches\/hour<br>\nNortheast Plains and Southeast Plains: 1.0-1.5 inches\/hour<\/p>\n<p>Timing: Noon &ndash; 10 PM<\/p>\n<h4><strong>Northern Mountains, Northwest Slope, Front Range, Urban Corridor, Southeast Mountains, Central Mountains, Grand Valley, Southwest Slope, Raton Ridge, San Juan Mountains, and San Luis Valley:<\/strong><\/h4>\n<p>Mostly sunny skies and warm\/hot temperatures are expected, only to be broken up by <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;isolated&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;less than 10% areal coverage&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>isolated<\/span> showers\/weak thunderstorms. The best coverage of storms, relatively speaking, will occur over the Front Range, Southeast Mountains, and the Urban Corridor, with lesser activity expected elsewhere. With dry sub-cloud air in place, evaporation of falling precipitation will be efficient, showers\/storms will result in mainly gusty winds and light rainfall. Dangerous cloud-to-ground lightning is expected from thunderstorms, so please whenever you hear thunder roar, go indoors. Maximum rain rates are as follows:<\/p>\n<p>Northern Mountains, Central Mountains, Front Range, Southeast Mountains, Urban Corridor, San Luis Valley, and San Juan Mountains: 0.4-0.8 inches\/hour<br>\nRaton Ridge: 0.5-0.9 inches\/hour<br>\nSouthwest Slope, Grand Valley, and Northwest Slope: 0.1-0.3 inches\/hour<\/p>\n<p>Timing: Noon &ndash; 10 PM<\/p>","protected":false},"excerpt":{"rendered":"<p>Issue Date: 7\/4\/2017 Issue Time: 9:00 AM NO FLOOD THREAT IS FORECAST. Mother Nature is doing her best to give Colorado nice weather for Independence Day, and generally speaking, she is coming through. A strong, upper-level ridge is building in from the west today, and will result in increasing subsidence and decreasing showers\/storms as compared [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[6],"tags":[],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=\/wp\/v2\/posts\/5222"}],"collection":[{"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5222"}],"version-history":[{"count":1,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=\/wp\/v2\/posts\/5222\/revisions"}],"predecessor-version":[{"id":5224,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=\/wp\/v2\/posts\/5222\/revisions\/5224"}],"wp:attachment":[{"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5222"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5222"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5222"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}