{"id":19397,"date":"2022-08-26T10:32:26","date_gmt":"2022-08-26T16:32:26","guid":{"rendered":"https:\/\/www.coloradofloodthreat.com\/?p=19397"},"modified":"2022-08-27T11:31:12","modified_gmt":"2022-08-27T17:31:12","slug":"spm-08-26-2022-continued-monsoonal-rainfall-for-western-colorado","status":"publish","type":"post","link":"https:\/\/archive-coftb.dewberryanalytics.com\/?p=19397","title":{"rendered":"SPM 08-26-2022: Continued Monsoonal Rainfall for Western Colorado"},"content":{"rendered":"<p>Issue Date: Friday, August 26th, 2022<br>\nIssue Time: 10:30 AM MDT<\/p>\n<h3>Summary:<\/h3>\n<p>Precipitation across Colorado was largely constrained to the western half of the state yesterday. The Southwest Slope to Central Mountains continued to benefit from monsoonal moisture circulating the high-pressure system centered over the Colorado-New Mexico border. Early morning cloud coverage over much of the region limited some heavy rainfall potential, though cloud-free areas, especially in the higher terrain, saw more intense <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;convection&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;Refers to vertical atmospheric motion driven by buoyancy, i.e., warm air is less dense than cool air, and therefore rises. One of the primary drivers of thunderstorm development, especially during monsoon season.&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>convection<\/span>. Gusty outflows from afternoon storms also resulted in non-thunderstorm wind gusts of 46 and 45 mph in Craig and Montrose, respectively. For the Northern Mountains, 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> dipping south into the state from Wyoming helped provide the necessary ingredients for showers and thunderstorms there, spilling onto the Front Range and Urban Corridor as the day progressed. The Eastern Plains remained largely dry yesterday.<\/p>\n<p>Only a few flood advisories and a <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> <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;Warning&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 warning is issued when a specific weather event is imminent or occurring&amp;lt;\/p&amp;gt;\n&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>warning<\/span> for Larimer county were issued yesterday, which included portions of the Cameron Peak burn scar. Several automated gages reported up to 0.28-0.31 inches over the scar, though thankfully no flooding was reported so far.<\/p>\n<p>As of this morning, <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;CDOT&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;&amp;lt;strong&amp;gt;C&amp;lt;\/strong&amp;gt;olorado &amp;lt;strong&amp;gt;D&amp;lt;\/strong&amp;gt;epartment &amp;lt;strong&amp;gt;o&amp;lt;\/strong&amp;gt;f &amp;lt;strong&amp;gt;T&amp;lt;\/strong&amp;gt;ransportation&amp;lt;\/p&amp;gt;\n&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>CDOT<\/span> has reported debris on US550 in two locations from Ouray to Silverton, both causing brief closures. Gauge observations nearby are sparse, but <span class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;QPE&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;&amp;lt;strong&amp;gt;Q&amp;lt;\/strong&amp;gt;uantitative &amp;lt;strong&amp;gt;P&amp;lt;\/strong&amp;gt;recipitation &amp;lt;strong&amp;gt;E&amp;lt;\/strong&amp;gt;stimate; an estimate of the amount of precipitation that has fallen at a particular location or across a region based on several different data sources, such as radar or satellite; QPE is often calculated using remotely-sensed data sources&lt;\/div&gt;\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>QPE<\/span> from MetStorm live puts up to 0.50 inches over the area and a MesoWest gauge west of Ouray reported 0.87 inches yesterday.<\/p>\n<p>Some other notable high precipitation totals (in inches) across Colorado include:<\/p>\n<ul><li>1.14 in Crestone<\/li>\n<li>0.91 near Hesperus<\/li>\n<li>0.82 at Long Hollow Reservoir (and between 0.40- 0.70 elsewhere in Montezuma and La Plata Counties on the Southwest Slope)<\/li>\n<li>0.77 in Vail<\/li>\n<li>0.73 in <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>, along with brief graupel<\/li>\n<li>0.61 near Pagosa Springs<\/li>\n<li>0.59 in Nederland<\/li>\n<\/ul><p>Precipitation totals were more modest along the Front Range and western edge of the Urban Corridor, but up to 0.51 was reported from a MHFD gauge near Hidden Lake northwest of Boulder.<\/p>\n<p>Some other important news &ndash; beginning yesterday, Denver&rsquo;s radar went down for service, lasting approximately the next week. See the tweet below from the Boulder <span class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;WFO&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;&amp;lt;p&amp;gt;&amp;lt;strong&amp;gt;W&amp;lt;\/strong&amp;gt;eather &amp;lt;strong&amp;gt;F&amp;lt;\/strong&amp;gt;orecast &amp;lt;strong&amp;gt;O&amp;lt;\/strong&amp;gt;ffice; the National Weather Service operates 122 WFOs across the United States, Guam, and Puerto Rico&amp;lt;\/p&amp;gt;&amp;lt;br \/&amp;gt;&amp;lt;!-- wp:paragraph --&amp;gt;\n&amp;lt;p&amp;gt;&amp;lt;\/p&amp;gt;\n&amp;lt;!-- \/wp:paragraph --&amp;gt;&lt;\/div&gt;\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>WFO<\/span> explaining the service upgrade and radar coverage without Denver online. While the Denver radar has greater coverage from adjacent stations when down, especially compared to Grand Junction and Pueblo, <span class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;QPE&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;&amp;lt;strong&amp;gt;Q&amp;lt;\/strong&amp;gt;uantitative &amp;lt;strong&amp;gt;P&amp;lt;\/strong&amp;gt;recipitation &amp;lt;strong&amp;gt;E&amp;lt;\/strong&amp;gt;stimate; an estimate of the amount of precipitation that has fallen at a particular location or across a region based on several different data sources, such as radar or satellite; QPE is often calculated using remotely-sensed data sources&lt;\/div&gt;\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>QPE<\/span> in the region will still likely be underestimated during the week of the outage.<\/p>\n<blockquote class=\"twitter-tweet tw-align-center\">\n<p dir=\"ltr\" lang=\"en\">&#128227;Denver Radar Outage:&#128227;<\/p>\n<p>Starting tomorrow morning, August 25th, the Denver radar will be down for service. This service upgrade is critical to extending the radar&rsquo;s life into the 2030s. There are plenty of nearby radars that will provide coverage in its absence. <a href=\"https:\/\/twitter.com\/hashtag\/COwx?src=hash&amp;ref_src=twsrc%5Etfw\">#COwx<\/a> <a href=\"https:\/\/t.co\/6GE82hP0zK\">pic.twitter.com\/6GE82hP0zK<\/a><\/p>\n<p>&mdash; <span class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;NWS&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;National Weather Service&lt;\/div&gt;\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>NWS<\/span> Boulder (@NWSBoulder) <a href=\"https:\/\/twitter.com\/NWSBoulder\/status\/1562432036035608576?ref_src=twsrc%5Etfw\">August 24, 2022<\/a><\/p><\/blockquote>\n<p><script async=\"\" src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>If you observe flooding in your area, remember to use the &ldquo;Report a Flood&rdquo; page to make any flood reports when you can safely do so. For precipitation estimates in our area, check out the map below.<\/p>\n<h4 class=\"collapseomatic \" id=\"id69fa21da33303\" tabindex=\"0\" title=\"Click Here For Map Overview\">Click Here For Map Overview<\/h4><div id=\"target-id69fa21da33303\" class=\"collapseomatic_content \">\nThe map below shows radar-estimated, rainfall gage-adjusted Quantitative Precipitation Estimates (<span class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;QPE&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;&amp;lt;strong&amp;gt;Q&amp;lt;\/strong&amp;gt;uantitative &amp;lt;strong&amp;gt;P&amp;lt;\/strong&amp;gt;recipitation &amp;lt;strong&amp;gt;E&amp;lt;\/strong&amp;gt;stimate; an estimate of the amount of precipitation that has fallen at a particular location or across a region based on several different data sources, such as radar or satellite; QPE is often calculated using remotely-sensed data sources&lt;\/div&gt;\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'>QPE<\/span>) across Colorado. The map is updated daily during the operational season (May 1 &ndash; Sep 30) by 11AM. The following six layers are currently available: 24-hour, 48-hour and 72-hour total precipitation, as well as maximum 1-hour, 2-hour and 6-hour precipitation over the past 24 hour period (to estimate where <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> may have occurred). The accumulation ending time is 7AM of the date shown in the bottom right corner. Also shown optionally are vulnerable fire burn areas (post 2012), which are updated throughout the season to include new, vulnerable burn areas. The home button in the top left corner resets the map to the original zoom.<br><\/div>\n<p><a href=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2022\/08\/Screenshot-2022-08-26-103800.jpg\"><img loading=\"lazy\" class=\"alignnone wp-image-19418 size-full\" src=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2022\/08\/Screenshot-2022-08-26-103800.jpg\" alt=\"\" width=\"893\" height=\"609\" srcset=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2022\/08\/Screenshot-2022-08-26-103800.jpg 893w, https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2022\/08\/Screenshot-2022-08-26-103800-300x205.jpg 300w, https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2022\/08\/Screenshot-2022-08-26-103800-768x524.jpg 768w\" sizes=\"(max-width: 893px) 100vw, 893px\"\/><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Issue Date: Friday, August 26th, 2022 Issue Time: 10:30 AM MDT Summary: Precipitation across Colorado was largely constrained to the western half of the state yesterday. The Southwest Slope to Central Mountains continued to benefit from monsoonal moisture circulating the high-pressure system centered over the Colorado-New Mexico border. Early morning cloud coverage over much of [&hellip;]<\/p>","protected":false},"author":14,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=\/wp\/v2\/posts\/19397"}],"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\/14"}],"replies":[{"embeddable":true,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=19397"}],"version-history":[{"count":3,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=\/wp\/v2\/posts\/19397\/revisions"}],"predecessor-version":[{"id":19419,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=\/wp\/v2\/posts\/19397\/revisions\/19419"}],"wp:attachment":[{"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=19397"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=19397"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=19397"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}