{"id":4526,"date":"2017-05-17T09:43:05","date_gmt":"2017-05-17T15:43:05","guid":{"rendered":"https:\/\/www.coloradofloodthreat.com\/?p=4526"},"modified":"2017-05-17T22:41:24","modified_gmt":"2017-05-18T04:41:24","slug":"ftb-05-17-2017-another-storm-on-its-way","status":"publish","type":"post","link":"https:\/\/archive-coftb.dewberryanalytics.com\/?p=4526","title":{"rendered":"FTB 05-17-2017: Another Storm On Its Way"},"content":{"rendered":"<p>Issue Date: 5\/17\/2017<br>\nIssue Time: 9:45 AM<\/p>\n<p><em>A LOW FLOOD THREAT IS FORECAST FOR PORTIONS OF THE FRONT RANGE, URBAN CORRIDOR AND NORTHEAST PLAINS. The Purgatoire River continues to run at bank-full levels, to minor flood stage, in Bent County.<\/em><\/p>\n<p>A <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;shortwave&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;A disturbance in the mid or upper part of the atmosphere which induces upward motion ahead of it.&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>shortwave<\/span> ridge between yesterday&rsquo;s upper-level low and the upcoming upper-level low will provide a break in the active weather today east of the <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Continental 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\"}]'>Continental Divide<\/span>, but only for a brief while. Showers and thunderstorms will be on the increase for the Front Range, Urban Corridor, Northeast Plains, Palmer Ridge, and northern portions of the Southern Plains during the early afternoon. Later during the afternoon\/evening hours as instability and lapse rates becomes more favorable, a few <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> thunderstorms will join the showers. These thunderstorms will continue into the overnight hours, and are the reason behind the issuance of the low flood threat. Cold air will continue to filter into the region overnight, which will drop snow levels to 7,000 feet in the mountains and foothills.<\/p>\n<p>Further to the south over the Southeast Plains, Southeast Mountains, and Raton Ridge, it will be late in the evening, perhaps midnight or later, before any showers pop up. Any thunderstorms that develop in these regions will be less intense, and do not warrant any flood threat considerations. Snow levels in the mountains will be around 7-8,000 feet.<\/p>\n<p><a href=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2017\/05\/WV_20170517.png\"><img loading=\"lazy\" class=\" wp-image-4527 aligncenter\" src=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2017\/05\/WV_20170517.png\" alt=\"\" width=\"596\" height=\"331\"\/><\/a><\/p>\n<p>West of the <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>, showers have already began to increase due to the newest influx of moisture and atmospheric support. A few <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 will develop this afternoon\/evening as daytime heating results in a bit of instability, but flooding rain is not expected. Snow levels during the day will be around 8-9,000 feet, dropping to around 6000 feet overnight tonight. For more information regarding timing and rain rates, please see the zone-specific forecasts 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;\"><a href=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2017\/05\/LFT_20170517.png\"><img loading=\"lazy\" class=\"aligncenter wp-image-4531\" src=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2017\/05\/LFT_20170517.png\" alt=\"\" width=\"880\" height=\"542\"\/><\/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><\/h3>\n<h3><strong>Zone-Specific Forecasts<\/strong><\/h3>\n<h4><strong>Front Range:<\/strong><\/h4>\n<p><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;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> showers and 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 or two are expected today\/tonight, beginning just after lunchtime and continuing into the overnight hours. Snow levels will be around 9000 feet during the day, falling to around 7,000 feet overnight. Maximum rain rates from thunderstorms will be 0.8-1.2 inches\/hour.<\/p>\n<p>Timing: 1 PM &ndash; Midnight, with a few lingering showers into the morning hours tomorrow.<\/p>\n<h4><strong>Urban Corridor, Palmer Ridge, and Northeast Plains:<\/strong><\/h4>\n<p><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> showers and thunderstorms are expected to develop early this afternoon, continuing into the overnight hours. Maximum rain rates will be as follows:<\/p>\n<p>Urban Corridor and Palmer Ridge: 0.8-1.2 inches\/hour<br>\nNortheast Plains: 1.5-2.0 inches\/hour<\/p>\n<p>Timing: 1 PM &ndash; 1 AM, with a few lingering showers\/thunderstorms into the morning hours tomorrow<\/p>\n<h4><strong>Southeast Plains and Raton Ridge:<\/strong><\/h4>\n<p>The upper-level ridge will hold off showers in these regions through the early afternoon, before giving way to a few showers for the rest of the period across the Southeast Plains. The Raton Ridge will remain largely dry into the morning tomorrow. Maximum rain rates will be 0.4-0.8 inches\/hour for the Southeast Plains and 0.1-0.3 inches\/hour for the Raton Ridge.<\/p>\n<p>Timing: 4 PM &ndash; Midnight, with a few lingering showers into the early morning hours<\/p>\n<h4><strong>Southeast Mountains:<\/strong><\/h4>\n<p>The region will remain dry into the evening hours tonight, with activity perhaps holding off until midnight or later. Showers that develop will be <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> in nature, producing mainly light rain\/snow. Maximum rain rates: 0.4-0.6 inches\/hour<\/p>\n<p>Timing: Midnight &ndash; End of Period<\/p>\n<h4><strong>Northwest Slope, Northern Mountains, Central Mountains, San Juan Mountains, San Luis Valley, Southwest Slope, and Grand Valley:<\/strong><\/h4>\n<p><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;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> showers and a couple <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 are expected throughout the period. Snow levels will be around 7-8000 feet during the afternoon\/evening, before falling to around 6000 feet overnight tonight. Maximum rain rates are as follows: 0.3-0.6 inches\/hour<\/p>\n<p>Timing: Ongoing &ndash; End of Period<\/p>","protected":false},"excerpt":{"rendered":"<p>Issue Date: 5\/17\/2017 Issue Time: 9:45 AM A LOW FLOOD THREAT IS FORECAST FOR PORTIONS OF THE FRONT RANGE, URBAN CORRIDOR AND NORTHEAST PLAINS. The Purgatoire River continues to run at bank-full levels, to minor flood stage, in Bent County. A <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;shortwave&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;A disturbance in the mid or upper part of the atmosphere which induces upward motion ahead of it.&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>shortwave<\/span> ridge between yesterday&rsquo;s upper-level low and the upcoming upper-level low will provide a [&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\/4526"}],"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=4526"}],"version-history":[{"count":7,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=\/wp\/v2\/posts\/4526\/revisions"}],"predecessor-version":[{"id":4550,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=\/wp\/v2\/posts\/4526\/revisions\/4550"}],"wp:attachment":[{"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4526"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4526"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4526"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}