{"id":5558,"date":"2017-07-22T09:58:35","date_gmt":"2017-07-22T15:58:35","guid":{"rendered":"https:\/\/www.coloradofloodthreat.com\/?p=5558"},"modified":"2017-07-23T07:52:07","modified_gmt":"2017-07-23T13:52:07","slug":"ftb-07-22-2017-thunderstorms-will-rumble-in-the-southern-mountains-and-southeast-plains","status":"publish","type":"post","link":"https:\/\/archive-coftb.dewberryanalytics.com\/?p=5558","title":{"rendered":"FTB 07-22-2017: Thunderstorms will Rumble in the Southern Mountains and Southeast Plains"},"content":{"rendered":"<p>Issue Date: Saturday, July 22, 2017<br>\nIssue Time: 10:00AM MDT<\/p>\n<p>&nbsp;<\/p>\n<p><em>&mdash; <strong>MODERATE<\/strong> flood threat for Central Mountains, Front Range, Urban Corridor, Palmer Ridge, Southeast Mountains, Southeast Plains, Raton Ridge<\/em><\/p>\n<p><em>&mdash;<strong>LOW<\/strong> flood threat for parts of Palmer Ridge, Urban Corridor, Front Range, Central Mountains, Southwest Slope, San Juan Mountains, Southeast Mountains, Southeast Plains, Raton Ridge<\/em><\/p>\n<p>&nbsp;<\/p>\n<p>The upper-level ridge begins to rebuild north and west of Colorado today. In the water vapor imagery below, you can see some drier air over Wyoming that will mix into the northern part of the state later this morning and afternoon. Currently, there is heavy cloud cover over the mountains and eastern plains. It may take some time for this burn off, but should by early this afternoon with both the drier air and increasing sun. Partly cloudy skies should limit temperatures and instability today in the northeastern portion of the state. Currently, <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;precipitable water&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;The total atmospheric water vapor contained in a vertical column of the atmosphere. It is typically measured in inches, and anomalously (deviation from normal) high values of precipitable water generally correlate to heavy rainfall potential.&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>Precipitable Water<\/span> (<span class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;PW&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;(Stands for: Precipitable Water) The total atmospheric water vapor contained in a vertical column of the atmosphere. It is typically measured in inches, and anomalously (deviation from normal) high values of precipitable water generally correlate to heavy rainfall potential.&lt;\/div&gt;\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>PW<\/span>) is 0.82 inches in Denver and 0.92 in Grand Junction. Pockets of <span class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;PW&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;(Stands for: Precipitable Water) The total atmospheric water vapor contained in a vertical column of the atmosphere. It is typically measured in inches, and anomalously (deviation from normal) high values of precipitable water generally correlate to heavy rainfall potential.&lt;\/div&gt;\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>PW<\/span> greater than 1 inch will be confined to the southeastern plains and SW corner of the state. There should still be enough moisture for thunderstorms over the higher terrain in the northern portion of the Front Range.<\/p>\n<p><a href=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2017\/07\/wv-7-22-2017.png\"><img loading=\"lazy\" class=\"aligncenter wp-image-5559\" src=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2017\/07\/wv-7-22-2017.png\" alt=\"\" width=\"400\" height=\"357\"\/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>Upslope flow will set up once again today favoring the moisture rich areas in the south for the heavier rainfall. Storms should begin firing over the San Juan Mountains, Southeast Slope and Central Mountains by 11am with all the higher terrain storms firing just after noon. As the storms begin to move off the mountains in the late afternoon, there is a 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> shower 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> with more <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;widespread&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;greater than 60% areal coverage&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>widespread<\/span> thunderstorms over the adjacent Southeast Plains and Raton Ridge. Max 1-hour rain rates for the mountains could be as high as 1.3 inches. Threats include road and small stream flooding, mud flows and debris slides over the steeper terrain. A Moderate threat has been placed over portions of the SE mountains and adjacent plains due to high instability and moisture. Burn scars in the Southeast Mountains need to be monitored close with already saturated soils and high probability for rain rates greater than 0.5 inches again today. Mud flows and debris slides are possible, so campers near these burn scars and steep terrain need to <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Watch&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;a weather watch is issued when conditions are favorable for a specific weather event to occur&amp;lt;\/p&amp;gt;\n&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>watch<\/span> the weather carefully. Over the adjacent plains, expect 1-hour rain rates up to 1.9 inches with 3-hour totals of 2.6 inches. Threats include road flooding, field ponding and flooding of small streams. Hail up to 1 inch and gusty winds can accompany the more severe storms.<\/p>\n<p>&nbsp;<\/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, scroll below the map.<\/p>\n<div style=\"position: relative;\"><a href=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2017\/07\/FTB-20170722-old.png\"><img loading=\"lazy\" class=\"alignnone wp-image-5565\" src=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2017\/07\/FTB-20170722-old.png\" alt=\"\" width=\"880\" height=\"498\"\/><\/a><\/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><strong>Zone-Specific Forecasts:<\/strong><\/h3>\n<h4><strong>Front Range, Urban Corridor, Palmer Ridge, Southwest Slope, San Juan Mountains, San Luis Valley, Southeast Mountains, Southeast Plains, Raton Ridge:<\/strong><\/h4>\n<p>Partly cloudy becoming sunny in spots until <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;numerous&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;40-60% areal coverage&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>numerous<\/span> showers and thunderstorms develop shortly after 11AM. Max 1-hour rainfall up to 1.3 inches and up to 1.9 inches below 6,000 feet. 3-hr totals up to 2.6 inches are possible below 6,000 feet. <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> <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;flash flooding&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 flooding<\/span>, debris slides and mud flows will be possible especially over burns scars and where soils are already saturated from multiple days of rain. There is a slight chance of severe weather with the main hazards being hail up to 1 inch and gusty winds. A Moderate flood threat has been issued.<\/p>\n<p>Primetime: 1PM to 1AM<\/p>\n<h4><strong>Northwest Slope, Grand Valley, Northern Mountains, Central Mountains, Northeast Plains:<\/strong><\/h4>\n<p>High temperatures will be 5-10F cooler today with the cloud cover over the Northeast Plains this morning. Partly cloudy early then <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;scattered&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;25-40% areal coverage&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>scattered<\/span> to <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;numerous&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;40-60% areal coverage&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>numerous<\/span> showers and thunderstorms developing just after noon. Max 1-hour rain rates up to 0.8 inches. Storms should be confined to the higher terrain. Storms will start to dissipate after sundown and should be over by about 10PM.<\/p>\n<p>Primetime: 12PM to 10PM<\/p>","protected":false},"excerpt":{"rendered":"<p>Issue Date: Saturday, July 22, 2017 Issue Time: 10:00AM MDT &nbsp; &mdash; MODERATE flood threat for Central Mountains, Front Range, Urban Corridor, Palmer Ridge, Southeast Mountains, Southeast Plains, Raton Ridge &mdash;LOW flood threat for parts of Palmer Ridge, Urban Corridor, Front Range, Central Mountains, Southwest Slope, San Juan Mountains, Southeast Mountains, Southeast Plains, Raton Ridge [&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\/5558"}],"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=5558"}],"version-history":[{"count":3,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=\/wp\/v2\/posts\/5558\/revisions"}],"predecessor-version":[{"id":5566,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=\/wp\/v2\/posts\/5558\/revisions\/5566"}],"wp:attachment":[{"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5558"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5558"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5558"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}