{"id":6717,"date":"2018-05-07T09:01:03","date_gmt":"2018-05-07T15:01:03","guid":{"rendered":"https:\/\/www.coloradofloodthreat.com\/?p=6717"},"modified":"2018-05-07T09:08:40","modified_gmt":"2018-05-07T15:08:40","slug":"ftb-05-07-2018-cloud-cover-increases-with-approaching-upper-trough","status":"publish","type":"post","link":"https:\/\/archive-coftb.dewberryanalytics.com\/?p=6717","title":{"rendered":"FTB 05-07-2018: Cloud Cover Increases with Approaching Upper Trough"},"content":{"rendered":"<p>Issue Date: Monday, May 7, 2018<br>\nIssue Time: 9:00AM MDT<\/p>\n<p><em>&mdash; Flooding is <strong>NOT<\/strong> expected today<\/em><\/p>\n<p>The ridging pattern present over the past few days begins to briefly break down this afternoon through Tuesday. This upper disturbance will provide lift for some <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 over the higher terrains, but only negligible rainfall is expected. The best coverage for high-elevation showers will be over the Central Mountains and southern Front Range. Currently, the visible imagery (below) shows statewide, high cloud cover associated with the approaching <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;trough&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;An elongated area of relatively low atmospheric pressure; the opposite of a ridge.&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>trough<\/span>. The cloud cover will continue to increase through this afternoon and evening as the disturbance moves east to west across the state. More westerly flow over the Front Range and Southeast Mountains will continue to dry out the mid-levels, so any showers that form, will quickly dissipate. Despite the high clouds, high temperatures today will be 10-15F above normal. There is a slight chance for an <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> thunderstorm over the Northeast Plains, where the moisture is able to hold on a bit with more southerly flow. However, <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;dew points&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;The temperature to which a given air parcel must be cooled (at constant pressure and water vapor content) in order for saturation to occur.&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>dew points<\/span> in the mid to upper 40s will cause more gusty winds than heavy rainfall. Flooding is not expected.<\/p>\n<p><a href=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2018\/05\/SPM_20180506_vis.png\"><img loading=\"lazy\" class=\"aligncenter wp-image-6718\" src=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2018\/05\/SPM_20180506_vis.png\" alt=\"\" width=\"500\" height=\"425\"\/><\/a><\/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. For Zone-Specific forecasts, scroll below the map.<\/p>\n<p><a href=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2017\/08\/no_threat.png\"><img loading=\"lazy\" class=\"aligncenter wp-image-6157\" src=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2017\/08\/no_threat.png\" alt=\"\" width=\"880\" height=\"580\"\/><\/a><\/p>\n<h3><strong>Zone-Specific Forecasts:<\/strong><\/h3>\n<h4><strong>Palmer Ridge, Southeast Mountains, Raton Ridge, Front Range, Central Mountains, Urban Corridor, Northeast Plains, Southeast Plains:<\/strong><\/h4>\n<p>Cloudy this morning with increasing cloudiness this afternoon. An <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> storm over the Northeast Plains is possible this evening, but the main threat will be gusty winds and lightning. 1-hour rain rates up to 0.4 inches are possible under the core of the stronger storms, but only if they are able to break through the <span class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;cap&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;The area where a parcel of air has negative buoyancy or sinks. The intensity of the cap is measured by its convective inhibition. If the cap is sufficiently large, it may prevent thunderstorms from forming at all.&lt;\/div&gt;\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>cap<\/span>. Over the high country, rain totals&nbsp;are expected to be under 0.1 inches with the highest coverage over the Central and Front Range Mountains. Flooding is not expected today.<\/p>\n<p>Primetime: 2PM to 10PM<\/p>\n<h4><strong>Northwest Slope, Grand Valley, Southwest Slope, Northern Mountains, San Luis Valley, San Juan Mountains:<\/strong><\/h4>\n<p>Very warm again today with upper level clouds increasing through this afternoon and evening. Dry air will limit shower activity to the higher terrains today. Totals are expected to be under 0.1 inches with highest coverage over the northern San Juan Mountains. Flooding is not expected today.<\/p>\n<p>Primetime: 2PM to 8PM<\/p>","protected":false},"excerpt":{"rendered":"<p>Issue Date: Monday, May 7, 2018 Issue Time: 9:00AM MDT &mdash; Flooding is NOT expected today The ridging pattern present over the past few days begins to briefly break down this afternoon through Tuesday. This upper disturbance will provide lift for some <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 over the higher terrains, but only negligible rainfall is expected. The [&hellip;]<\/p>","protected":false},"author":8,"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\/6717"}],"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\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6717"}],"version-history":[{"count":5,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=\/wp\/v2\/posts\/6717\/revisions"}],"predecessor-version":[{"id":6725,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=\/wp\/v2\/posts\/6717\/revisions\/6725"}],"wp:attachment":[{"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6717"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6717"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}