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Intermountain West Drought Early Warning System

Conditions for the week of February 6-12, 2019

Wet-season precipitation continued to outpace normal in most of central and western Colorado and adjacent southern Wyoming. Widespread above-normal mountain snowpack covers most areas. Conditions have now improved enough to finally remove the lingering D4 area in south-central Colorado, and improve the northern fringes of the D3 and D2 areas in western Colorado. Deteriorating conditions were limited to north-central Wyoming, where subnormal precipitation over the past several months prompted D0 expansion into the region; but even here, mountain snowpack was generally near to slightly above normal. Other areas notably benefiting from the surplus precipitation and abundant mountain snowpack were in north-central Utah (where D2 coverage declined), and across north-central Arizona and adjacent southern Utah (where improvements resulted from D1 and D2 areas being retracted eastward).

Read more about the Intermountain West DEWS

U.S. Drought Monitor - Intermountain West DEWS

U.S. Drought Monitor - Intermountain West DEWS
U.S. Drought Monitor - Intermountain West DEWS
Drought Conditions (Percent Area)
WeekNoneD0-D4D1-D4D2-D4D3-D4D4
Current
2/12/2019
17.62%82.38%52.55%24.49%10.08%0.42%
Last Week
2/05/2019
18.89%81.11%53.51%25.39%10.13%1.07%
Three Months Ago
11/13/2018
16.62%83.38%66.50%44.44%19.69%8.64%
Start of Calendar Year
1/01/2019
21.52%78.48%62.20%42.87%15.90%7.45%
One Year Ago
2/13/2018
18.68%81.32%71.70%46.23%3.26%0.00%

Drought Intensities

  •       None: No Drought
  •       D0: Abnormally Dry
  •       D1: Moderate Drought
  •       D2: Severe Drought
  •       D3: Extreme Drought
  •       D4: Exceptional Drought
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