{"id":8235,"date":"2018-08-28T08:51:25","date_gmt":"2018-08-28T14:51:25","guid":{"rendered":"https:\/\/www.coloradofloodthreat.com\/?p=8235"},"modified":"2018-08-28T08:51:25","modified_gmt":"2018-08-28T14:51:25","slug":"ftb-08-28-2018-cold-front-brings-a-refreshing-start-to-the-morning-over-eastern-colorado","status":"publish","type":"post","link":"https:\/\/archive-coftb.dewberryanalytics.com\/?p=8235","title":{"rendered":"FTB 08-28-2018: Cold Front Brings a Refreshing Start to the Morning over Eastern Colorado"},"content":{"rendered":"<p>Issue Date: Tuesday, August 28th, 2018<br>\nIssue Time: 08:55AM MDT<\/p>\n<p><em>&mdash; Flooding is <strong>NOT<\/strong> expected today<\/em><\/p>\n<p>Cold front moved through the eastern plains overnight, which brought nice, crisp morning temperatures to eastern Colorado. Generally, temperatures are 10-15F cooler than this time yesterday. A southwest to northeast oriented band of clouds is seen in the visible imagery below. These clouds are associated with the right entrance of the upper-level <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;jet streak&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;The region of a jet stream with the strongest winds.&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>jet streak<\/span>. Today this feature will sag southward, which may provide a line of light showers over the Front Range, Urban Corridor and Northeast Plains. However, better low-level moisture will be to the east of the green line below, so not expecting totals greater than 0.4 inches. With much drier air over western Colorado, there will likely just be high clouds associated with this feature over the Northern and Central Mountains.<\/p>\n<p>Upslope flow will also return to the forecast for this afternoon, which may help a little with increased storm coverage along the Front Range and Palmer <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Divide&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;the dividing line that separates the watersheds of the western and eastern United States; rivers west of the divide empty into the Pacific Ocean, while rivers east of the divide empty into the Atlantic Ocean or Gulf of Mexico&amp;lt;\/p&amp;gt;\n&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>Divide<\/span>. However, moisture return behind the cold front was weak, so not expecting too much instability to build this afternoon. There will be a bit higher <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> further south, over the Palmer <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Divide&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;the dividing line that separates the watersheds of the western and eastern United States; rivers west of the divide empty into the Pacific Ocean, while rivers east of the divide empty into the Atlantic Ocean or Gulf of Mexico&amp;lt;\/p&amp;gt;\n&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>Divide<\/span>, so this will translate to a tad more rainfall from the storms today. As the storms move to the east off the mountains into the adjacent plains, they are expected to weaken with the decreasing instability.<\/p>\n<p><a href=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2018\/08\/vis_20180828.png\"><img loading=\"lazy\" class=\"aligncenter wp-image-8236\" src=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2018\/08\/vis_20180828.png\" alt=\"\" width=\"550\" height=\"362\"\/><\/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.<br><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>Southeast Plains, Raton Ridge, Southeast Mountains, Front Range, Palmer Ridge, Urban Corridor:<\/strong><\/h4>\n<p>Storms are expected to initiate along the Front Range and Palmer Ridge this afternoon. The right entrance of the jet will promote upward motion as well as the return of upslope flow. Max 1-hour rain rates up to 0.4 inches (north) and 0.7 inches (south) are possible. The high-based storms could also produce some gusty <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;outflow&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;A cool pool of air that results when a thunderstorm downdraft reaches the surface and spreads horizontally.&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>outflow<\/span> winds this afternoon and evening. Less of a chance for storms over the Southeast Mountains, though 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 or two can&rsquo;t be ruled out. As the storms move to the east they are expected to weaken with decreasing instability. Flooding is not expected today.<\/p>\n<p>Primetime: 3PM &ndash; 10PM<\/p>\n<h4><strong>Grand Valley, Central Mountains, San Juan Mountains, San Luis Valley, Southwest Slope, Northern Mountains, Northwest Slope, Northeast Plains:<\/strong><\/h4>\n<p>Westerly winds aloft will continue to entrain dry air today. So even though upslope flow will occur this afternoon, measurable rainfall will not be in the forecast. Expecting mostly clear skies with some cloud cover over the Northern and Central Mountains associated with the sagging jet. Near-surface smoke is expected to decrease into the evening. The heaviest smoke today will be over the northwest corner of the state, though it is not expected to limit visibility too much.<\/p>","protected":false},"excerpt":{"rendered":"<p>Issue Date: Tuesday, August 28th, 2018 Issue Time: 08:55AM MDT &mdash; Flooding is NOT expected today Cold front moved through the eastern plains overnight, which brought nice, crisp morning temperatures to eastern Colorado. Generally, temperatures are 10-15F cooler than this time yesterday. A southwest to northeast oriented band of clouds is seen in the visible [&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\/8235"}],"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=8235"}],"version-history":[{"count":1,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=\/wp\/v2\/posts\/8235\/revisions"}],"predecessor-version":[{"id":8237,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=\/wp\/v2\/posts\/8235\/revisions\/8237"}],"wp:attachment":[{"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8235"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8235"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8235"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}