{"id":14183,"date":"2021-06-03T08:49:02","date_gmt":"2021-06-03T14:49:02","guid":{"rendered":"https:\/\/www.coloradofloodthreat.com\/?p=14183"},"modified":"2021-06-04T07:17:55","modified_gmt":"2021-06-04T13:17:55","slug":"spm-06-03-2021-limited-precipitation-and-drought-monitor-update","status":"publish","type":"post","link":"https:\/\/archive-coftb.dewberryanalytics.com\/?p=14183","title":{"rendered":"SPM 06-03-2021: Limited Precipitation and Drought Monitor Update"},"content":{"rendered":"<p>Issue Date: Thursday, June 3, 2021<br>\nIssue Time: 9:00 am MDT<\/p>\n<h3>Summary<\/h3>\n<p>High pressure settled in west of the state yesterday, which brought warm temperatures and limited precipitation. There were 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> evening storms in the San Juan Mountains, San Luis Valley, and Southeast Mountains, but they produced very little rainfall. There were no severe weather reports in Colorado yesterday. For rainfall estimates in your area, check out the State Precipitation Map at the bottom of this post.<\/p>\n<p>The updated U.S. Drought Monitor was published this morning, reflective of conditions up until June 1, 2021, as seen in the map below. There is an impressive <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> in drought conditions between the eastern and western halves of the state. Drought conditions continued to improve in Eastern Colorado, where over 51% of the state is experiencing no drought conditions at all. This is in sharp contrast to the west, where there are still large areas of extreme to exceptional drought in the Northwest and Southwest Slopes and Grand Valley.<br><a href=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2021\/06\/current_co_trd.png\"><img loading=\"lazy\" class=\"aligncenter size-large wp-image-14184\" src=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2021\/06\/current_co_trd-1024x791.png\" alt=\"\" width=\"910\" height=\"703\" srcset=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2021\/06\/current_co_trd-1024x791.png 1024w, https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2021\/06\/current_co_trd-300x232.png 300w, https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2021\/06\/current_co_trd-768x593.png 768w, https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2021\/06\/current_co_trd.png 1056w\" sizes=\"(max-width: 910px) 100vw, 910px\"\/><\/a><\/p>\n<p>The drastic differences between east and 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> is no surprise considering the very different spring weather each has been experiencing. The map below from PRISM shows the total precipitation anomaly for May 2021 compared to 1981-2010 May climate normals. Eastern Colorado, especially the southeast, received well above normal precipitation for this time of year, including some portions that received over 300% of normal precipitation! Compare this to Western Colorado, where some places received only 30-50% of normal May rain.<br><a href=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2021\/06\/PRISM_ppt_provisional_4kmM3_anomaly_202105.png\"><img loading=\"lazy\" class=\"aligncenter size-large wp-image-14185\" src=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2021\/06\/PRISM_ppt_provisional_4kmM3_anomaly_202105-1024x727.png\" alt=\"\" width=\"910\" height=\"646\" srcset=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2021\/06\/PRISM_ppt_provisional_4kmM3_anomaly_202105-1024x727.png 1024w, https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2021\/06\/PRISM_ppt_provisional_4kmM3_anomaly_202105-300x213.png 300w, https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2021\/06\/PRISM_ppt_provisional_4kmM3_anomaly_202105-768x546.png 768w, https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2021\/06\/PRISM_ppt_provisional_4kmM3_anomaly_202105.png 1405w\" sizes=\"(max-width: 910px) 100vw, 910px\"\/><\/a><\/p>\n<h4 class=\"collapseomatic \" id=\"id6a1c5f93dea99\" tabindex=\"0\" title=\"Click Here For Map Overview\">Click Here For Map Overview<\/h4><div id=\"target-id6a1c5f93dea99\" 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.\n<\/div>\n<img loading=\"lazy\" class=\"aligncenter wp-image-14204\" src=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2021\/06\/SPM_20210603_snap.png\" alt=\"\" width=\"880\" height=\"596\" srcset=\"https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2021\/06\/SPM_20210603_snap.png 889w, https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2021\/06\/SPM_20210603_snap-300x203.png 300w, https:\/\/archive-coftb.dewberryanalytics.com\/wp-content\/uploads\/2021\/06\/SPM_20210603_snap-768x520.png 768w\" sizes=\"(max-width: 880px) 100vw, 880px\"\/>","protected":false},"excerpt":{"rendered":"<p>Issue Date: Thursday, June 3, 2021 Issue Time: 9:00 am MDT Summary High pressure settled in west of the state yesterday, which brought warm temperatures and limited precipitation. There were 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> evening storms in the San Juan Mountains, San Luis Valley, and Southeast Mountains, but they produced very little rainfall. There were no severe [&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\/14183"}],"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=14183"}],"version-history":[{"count":3,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=\/wp\/v2\/posts\/14183\/revisions"}],"predecessor-version":[{"id":14205,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=\/wp\/v2\/posts\/14183\/revisions\/14205"}],"wp:attachment":[{"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14183"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14183"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/archive-coftb.dewberryanalytics.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14183"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}