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The 2021 U.S. Drought Monitor forum will certainly be hosted virtually on October 21-22, 2021. Come register, visit the it is registered page. A breeze agenda will certainly be post on the registration page soon.

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The data cutoff for dryness Monitor maps is every Tuesday in ~ 8 a.m. EDT. The maps, which space based on analysis of the data, room released each Thursday at 8:30 a.m. Eastern Time.

- Delineates dominant impacts S - temporary impacts, commonly less than 6 months (agriculture, grasslands) L - permanent impacts, frequently greater than 6 months (hydrology, ecology) SL - Short- and long-term impacts
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Open weather throughout much that the country favored summer chop maturation and also fieldwork, consisting of harvest efforts and winter wheat planting. Through September 12, more than one-third (37 percent) that the U.S. Corn was completely mature, while 38 percent the the soybeans to be dropping leaves, versus respective 5-year averages of 31 and 29 percent. Meanwhile, amongst the 13 significant production says that have actually planted some winter wheat, all except Oregon to be at or front of the 5-year average pace. Oregon’s delay—4 percent planted, matches 7 percent top top average—can be attributed to producers’ hesitancy to sow winter wheat due to drought. Rain was observed, however, in number of regions, including parts that the South and East. Portions of the Gulf Coast an ar had to complete with Hurricane Nicholas, the eighth Atlantic basin tropical cyclone to make a U.S. Landfall in 2021. Nicholas, briefly a group 1 hurricane, moved ashore on Texas’ Matagorda Peninsula around 12:30 am CDT top top September 14, delivering hefty rain and gusty winds come the middle and also upper Texas coast. Aside from the western Gulf shore region, few of the heaviest rain (locally 4 inch or more) fell in northern new England, chipping far at lingering, permanent drought. Locally hefty showers additionally dotted the lower Southeast, including Florida’s peninsula. Lower Southeastern rainfall was enhanced by the arrival and also passage of minimal dry Storm Mindy, which do landfall ~ above St. Vincent Island, Florida, at 8:15 pm CDT top top September 8. Mindy’s sustained winds were briefly close to 45 mph, followed by weakening the following day as the remnant circulation moved northeastward across northern Florida and also southeastern Georgia. So late in the drought-monitoring period, showers and thunderstorms detailed some restricted drought relief in the upper good Lakes region. Elsewhere, fleeting showers dampened some of the driest locations of the West, in the interim aiding wildfire containment efforts. However, hot, dry weather quickly returned across the West, limiting the in its entirety benefit that the precipitation. In fact, temperatures extensively averaged over normal across the western fifty percent of the country.


Heavy rain chipped far at staying moderate to severe drought (D1 come D2) close to the Canadian border, while small change to be observed across a lingering area of dryness (D0) in the central Appalachians. Few of the most heavy rain dropped in Maine, wherein Bangor measure up 3.34 inches on September 9-10. However, an ongoing drought impact in Maine was poor pasture problem (rated 39% really poor to bad on September 12, follow to the U.S. Department of Agriculture). Meanwhile, a little area of moderate drought (D1) persisted on Cape Cod, Massachusetts, as result of ongoing short groundwater levels.


Patches the abnormal dryness (D0) extended from coastal Georgia come the piedmont the Virginia, with normally minor changes from the previous week. On September 12, the U.S. Room of farming reported the North Carolina led the an ar with topsoil moisture rated really short to short (47%) and pastures rated very poor to poor (22%).


While previous Hurricane Nicholas soaked the western Gulf shore region, many of components of the South continued to endure short-term drying. As a result, abnormal dryness (D0) extensively expanded across Arkansas, Oklahoma, and also Texas, extending into northwestern Mississippi and western Tennessee. Pockets that moderate dryness (D1) additionally developed. By September 12, Arkansas led the region—according to the U.S. Department of Agriculture—with topsoil moisture rated 69% an extremely short come short, followed by Oklahoma (60%) and also Texas (59%). In ~ times, heat has actually been a variable in quickly worsening conditions. In Texas, borger posted a high temperature the 106°F ~ above the 10th, edging the monthly record of 105°F originally set on September 5, 1995. Somewhere else in Texas, Del Rio detailed highs of 100°F or greater on every of the an initial 10 days in September.


Short-term dryness (D0) has started to expand throughout southern and eastern part of the region, favoring summer chop maturation yet reducing topsoil moisture. Meanwhile, permanent drought worries persisted across the upper Midwest, in spite of some current rainfall. By September 12, the U.S. Department of farming reported that topsoil moisture was at least one-third an extremely short to quick in each Midwestern State except Wisconsin, led through Indiana (47%). Throughout the week ending September 12, really short to short values enhanced by an ext than 10 portion points in Indiana and also Ohio. In contrast, locally heavy rain was observed in the great Lakes region, specifically across portions of Michigan and Wisconsin. Elsewhere, lingering results from summer dryness left 63% that Minnesota’s pastures in very poor to poor condition on September 12.

High Plains

Short-term dryness and also drought has become more apparent in recent weeks across the southern section of the region, consisting of parts that Kansas and also Colorado, aggravated by durations of late-summer heat. A monthly document of 89°F was tied on September 10 in Alamosa, Colorado. Alamosa again got to 89°F on September 11, tying the record first set top top September 5 and also 6, 2020, if Colorado Springs, Colorado, completed a brand-new September conventional (98°F; previously, 97°F on September 6, 2020). Throughout the High Plains, September 10-11 featured continuous triple-digit, daily-record high in neighborhoods such as McCook, Nebraska (102 and 104°F); Goodland, Kansas (103 and 102°F); and also Burlington, Colorado (101 and 100°F). Evade City, Kansas (105°F ~ above the 11th), completed a 105-degree analysis in September for only the third time top top record, following 106°F ~ above September 3, 1947, and 107°F on September 1, 2011. Aside from that north, there were some adjustments (mostly improvements) come the drought depiction, primarily in the Dakotas, based on favorable effects from recent rain events. For example, improvements in topsoil moisture have led to some greening the drought-affected pastures and also have motivated winter wheat producer to start planting. Still, the U.S. Room of farming reported top top September 12 that topsoil moisture to be 64 to 71% very short to short in the Dakotas, while rangeland and pastures were rated 77 to 80% very poor to poor, reflecting the lengthy road ahead concerning drought recovery. ~ above the very same date, statewide topsoil moisture on the High plains ranged native 39% really short to short in Nebraska to 79% in Wyoming.


Any benefit from patchy rainfall throughout northern California and also the inner Northwest was mainly offset by above-normal temperatures. Still, with rainfall totaling 0.37 customs on September 10, Redding, California, competent its wettest day since April 25, as soon as 0.39 inch fell. Record-setting rainfall totals because that September 10 consisted of 0.63 customs in Ephrata, Washington; 0.61 inch in Redmond, Oregon; and 0.26 inch in Red Bluff, California. Most locations of the West had actually no readjust in the dryness depiction; however, alters in the Northwest to be a mix of slight development and minor degradation, mostly as result of assessment of previously precipitation events, water-supply reports, and also vegetation health. Follow to the U.S. Department of Agriculture, topsoil moisture was rated 100% really short to quick on September 12 in Washington, adhered to by 96% in Montana, 85% in California, 83% in Oregon, 79% in Wyoming, and also 73% in Idaho. Meanwhile, USDA reported the at least one-half that the acreage dedicated to rangeland and pastures was rated in really poor to bad condition is eight of the eleven western States, led by Washington (96%), Montana (88%), and Oregon (87%). At the finish of August, California’s 154 intrastate reservoirs contained 13.8 million acre-feet of water, just 60% of average for the date. Preliminary reports suggested that statewide reservoir holdings were much less than one-half that the end-of-August median in Nevada, brand-new Mexico, and Oregon. Meanwhile, number of dangerous wildfires stayed active across northern California and also the Northwest. Nationally, year-to-date wildfires v mid-September had actually charred much more than 5.6 million acre of vegetation. Even as western wildfire task has contempt waned in current days, wide reductions in air top quality have ongoing in parts of the region. 4 of California’s energetic wildfires—the Dixie (more than 960,000 acres), Caldor (219,000 acres), Monument Fires (215,000 acres), along with the River complicated (187,000 acres)—were among the twenty biggest blazes in state history. The Dixie Fire, initially sparked on July 13, has burned a large area close to Lake Almanor and also has make several outstanding runs while threatening to become the largest wildfire in California history. The blaze has also destroyed much more than 1,300 structures. The Caldor Fire, which was ignited on august 14 simply south that Grizzly Flats, California, has actually destroyed much more than 1,000 structures—only the ten wildfire in state history to execute so.


In Puerto Rico, there to be no adjust in the depiction, which consists of widespread abnormal dryness (D0) and moderate drought (D1) across southern sections and a job of D0 and D1 follow me the northwest coast.

The Virgin islands saw an increase in rainfall last week together mid-September approached, putting the brakes on what had actually been rapidly-increasing deficits. Some locations benefitted much more than others; Windswept Beach, Rohlsen Airport, and King airplane each obtained 0.5 come 1.5 customs or fain throughout the critical 4 weeks, through September totals just 10 come 25 percent of normal Rohlsen Airport and Windswept Beach. Various other locations, however, other spots tape-recorded 1 come 3 inches of rain simply last week together a dry wave moved through, abetting significantly more relief. But despite the enhanced rainfall, irreversible deficits remain entrenched, and also even temporary totals are close to to below normal wherein rainfall was much more generous. As a result, no alters were made, and also D1 to be kept intact on St. Croix and also St. John. Relief may be suggested soon, however, if the tendency of enhancing rainfall continues.


For the third consecutive week, Alaska reported neither dryness no one drought, as the change from summer to loss has to be accompanied by widespread precipitation.

In Hawaii, over there was small overall readjust in the depiction, with much more than one-third the the island chain suffering drought for the twelfth consecutive week. However, some of Hawaii’s hardest-hit drought areas—mainly in Maui County—are seeing indications of worsening conditions, including declining vegetation health. Excessive drought (D3) to be introduced across the southern part of Molokai, when Lanai noted widespread worsening native moderate to significant drought (D1 to D2) and from serious to too much drought (D2 come D3).

No abnormal dryness or drought is affecting Palau. Koror reported 13.36 customs of rain because that the month of respectable 2021. This was the 3rd consecutive month of subnormal rainfall, despite August was jbarely shy that normal. Critical week, Koror recorded virtually 5 inch of rain, bringing their mid-September complete to 6.35 inches, i m sorry is somewhat over normal. Palau airport – ~ a dry start to the month – recorded 7.65 inch of rain last week. As this is a relatively wet time or year, even somewhat below-normal rainfall is adequate to save drought impacts at bay.

The Mariana Islands additionally remain totally free of noteworthy dryness in spite of generally subnormal rainfall the last 2 come 4 months. The very first half of September lugged only 2.5 to 3.0 customs of rain to Guam and Saipan, i beg your pardon is about half of normal. This tendency only days back about 6 weeks at Saipan, where surplus rain fell for numerous months before the drier spell. Guam has observed less abundant rain loved one to normal, however throughout the Islands, this is a wet time of year, and also even a couple of months the subnormal rain is sufficient to squelch any impactful dryness.

Dry problems have increase at Kapingamarangi in the Federated says of Micronesia, and also moderate dryness (D1) has been presented there. Last week, 1.65 inch of rain dropped – just slightly listed below normal – but it brought quantities since the beginning of august to just over 6 inches, whereas normal is over 15 inches. Private water tanks ~ above Kapingamarangi have actually dropped come 10 percent the capacity, providing them a cushion of only a couple of months beyond typical demand. Have to acute dryness continue, water offers will dwindle further, potentially bringing around serious deficiencies. Fortunately, the remainder of the Federated claims of Micronesia are complimentary from any type of impactful dryness. August to be drier than normal across most islands, and subnormal rain date ago to early on summer in a couple of spots, yet this gift the wetter time of year, enough rain has fallen come preclude any type of concerns. In addition, complying with 1 to 3 months being drier than normal, September has doused Yap, Chuuk, and also Woleai with 8 to 15 customs of rain, i m sorry is around 2 to 3 times typical at the last 2 locations. Dry conditions have intensified at Kapingamarangi in the Federated claims of Micronesia, and also moderate dryness (D1) has been presented there. Critical week, 1.65 inches of rain fell – just slightly below normal – yet it brought amounts since the beginning of respectable to just over 6 inches, whereas regular is over 15 inches. Private water tanks top top Kapingamarangi have actually dropped come 10 percent that capacity, offering them a cushion of only a couple of months past typical demand. Should acute dryness continue, water gives will dwindle further, potentially bringing about serious deficiencies. Fortunately, the remainder of the Federated states of Micronesia are totally free from any type of impactful dryness. August to be drier than normal across most islands, and subnormal rains date earlier to beforehand summer in a couple of spots, but this gift the wetter time of year, enough rain has actually fallen come preclude any kind of concerns. In addition, adhering to 1 to 3 months gift drier than normal, September has doused Yap, Chuuk, and Woleai v 8 to 15 inches of rain, which is roughly 2 to 3 times common at the latter 2 locations.

Some degree of abnormal dryness has actually persisted in western components of the Marshall archipelago for numerous months. Kwajalein was dramatically drier 보다 normal throughout June – August, bring about abnormal dryness (D0) there, while in ~ Ailinglapalap, severely deficient rainfall throughout May – august (about 15 inches v a typical over 43 inches) caused deepening drought that had reached serious drought (D2) standing recently. Fortunately, these areas finally began receiving far-ranging rainfall this month, particularly within the critical week. Every 3 areas are over normal because that September, prompting an advancement to D1 (moderate drought) ~ above Ailinglapalap. Furthermore south and east, no significant impacts were reported despite a drier than typical July – August. Deficient precipitation was no as deep nor together long-lived as it was farther north and west. Wotje has been an especially dry this month, (0.88 inch which is under one-quarter the normal), but they were the only location reporting surplus rainfall because that July – respectable (over 125 percent that normal), precluding any abnormal dryness (D0+) despite a 2-week absence of comprehensive rainfall.

Between 0.5 and 1.5 inches fell throughout American Samoa throughout the an initial 2 weeks of September, once normals room closer come 4 inches. But this adheres to abundant June – august rainfall. Pago Pago reported about 25 inches of rain then, or 7 inches more than normal. As a result, no degree of abnormal dryness (D0+) is ideal at this time.

Looking Ahead

The remnants of Nicholas will certainly meander end the central Gulf Coast region during the next pair of days, delivering extr rainfall totaling 3 to 6 inches or much more from southeastern Louisiana into western Florida. Aside from that east, a low-pressure device north the the Bahamas will approach the center Atlantic Coast and also may soon end up being a tropical cyclone. Nevertheless of development, many of the significant tropical impacts should continue to be offshore. Elsewhere, a pattern change in the Pacific Northwest will result in cooler weather and also widespread showers, beginning on Friday. Throughout the weekend, cool, showery weather will spread out eastward across the nation’s north tier—reaching north sections that the Rockies and also High Plains—and southward into northern California. However, usually dry weather will persist from central and southern California come the main and southern High Plains.

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The NWS 6- come 10-day outlook because that September 21-25 contact for the likelihood of below-normal temperatures from the an excellent Basin to northern sections that the Rockies and also High Plains, if warmer-than-normal weather will prevail along and east the a line from southeastern Arizona come Minnesota. Meanwhile, below-normal precipitation throughout much of the western half of the U.S. Should comparison with wetter-than-normal problems in the Pacific Northwest and also from the Mississippi valley eastward, excluding the northern Atlantic States.