#Drought news: No change in depiction for #Colorado

Click here to go to the US Drought Monitor website. Here’s an excerpt:


A series of storm systems traversed from the Canadian Prairies southeastward across the eastern half of the Nation during the week, with a strong weekend storm tapping ample tropical moisture from the Gulf of Mexico, the Caribbean Sea, and disorganized Tropical Storm Philippe that was eventually absorbed into the system. With plentiful moisture available to the weekend storm system, widespread, copious rains (2-6 inches, locally to 12 inches) inundated most of the Northeast, especially New England, abruptly ameliorating short-term deficits accumulated during the late summer and fall months. Heavy rains also fell on southern Florida (from Philippe), while light to moderate precipitation occurred in the Great Lakes region, Ohio and Tennessee Valleys, and the Appalachians. With high pressure entrenched over the West, little or no precipitation was reported west of the Mississippi River. Temperatures averaged well below normal east of the Rockies and to the Appalachians, especially in the South and Midwest that had weekly departures of -6 to -12 degF. Sub-freezing readings were common across the northern and central Plains and Midwest, along with decent snows in the upper Midwest. In contrast, above-normal temperatures prevailed across the West and New England. Showers frequented the Hawaiian Islands during the week, maintaining a recent wet pattern that allowed for additional improvements to some windward locations…

High Plains

After several weeks of modifications to the northern Plains (mostly improvements but some deterioration), little or no precipitation fell this week – which is normal for the fall and winter months in the northern Plains. In addition, weekly temperatures averaged near to below normal, along with widespread sub-freezing readings, basically ending the growing season. With typical precipitation (dry), cool temperatures, little or no evapotranspiration or plant growth, no major changes were made in the High Plains this week. Two small exceptions included extending D0 into eastern areas of North Dakota and northwestern Minnesota as a dry October accumulated enough deficits at 60- and 90-days in a slightly wetter climate regime (D0 into Pembina, Steele, and Traill counties of ND and Kittson and Polk counties of MN)…


Tranquil conditions returned to the West after last week’s stormy and wet weather in the Northwest. Little or no precipitation and above-normal temperatures were the rule in the West as upper-air ridging enveloped the region. With improvements made to the Northwest last week, no changes were made there this week. Farther south, however, persistently dry and warm weather over the past several months, including a weaker than normal summer monsoon and early ending in Arizona and Utah, along with increased evaporative demand, has started to portray negative impacts. In west-central Arizona (D0 added), a poor monsoon and long-term negative anomalies has started to affect reservoir levels and recreation. In northeastern Arizona, D0 was expanded and D1 was added as soil moisture data showed shallow and deep moisture profiles falling to their lowest level in a year. Ranchers were hauling in hay as any natural forage is dead or dormant. D1 was expanded northward into south-central Arizona due to lack of rain past 60-days, poor growing conditions, numerous small brush fires occurring out of season, and ranchers bringing in hay. D2 was added in extreme southern Arizona (Santa Cruz, southeast Pima, and southwest Cochise counties) as farmers and ranchers reported extremely poor conditions and only half of the year-to-date rainfall. All typical forage is dead or dormant, and Patagonia Lake is down 4 feet from normal (versus 3 feet low last year). D0 was also expanded into south-central Utah and D1 in southeastern Utah with similar conditions in neighboring northern Arizona. In southwestern Colorado, even though the indices at 2-6 months were similar to the adjacent D1 area in southeastern Utah, ground reports indicated much better conditions in Colorado than in neighboring southeastern Utah, so no D1 was drawn…

Looking Ahead

During the upcoming 5-day period (November 2-6), a potent Pacific storm should drop decent precipitation (1-5 inches) on most of the Northwest, southward into central California and the Sierra Nevada, and eastward into parts of the central and northern Rockies. Light to moderate precipitation is expected in the lower Mississippi Valley northeastward into the eastern Great Lakes region and western New England. Little or no precipitation should occur in the Southwest, central and southern Plains, and the Southeast. 5-day temperatures will average well above-normal across most of the lower 48 States except for subnormal readings in the Far West and across the northern thirds of the Rockies and Plains and the upper Midwest. Well below-normal temperatures are expected in Montana and North Dakota.

During the 6-10 day period (November 7-11), odds favor above-median precipitation along the Pacific Northwest Coast, from the middle Mississippi and Ohio Valleys eastward into the Northeast, and northern Alaska. Probabilities for below median precipitation are greatest in the Great Basin, northern Rockies and Plains, upper Midwest, along the Gulf Coast States, and southern Alaska. Above-normal temperatures are likely from the Four Corners region eastward to the southern and middle Atlantic regions and in western and northern Alaska while a tilt toward subnormal temperatures were found in the southeastern Alaskan Panhandle, the Far West, and across the northern thirds of the Rockies, Plains, and Midwest.

Leave a Reply