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U.S. Drought Monitor Update for November 14, 2017

Photo of the Blue Ridge Mountains in Virginia in autumn
Courtesy of

According to the November 14, 2017, U.S. Drought Monitor, moderate to exceptional drought covers 13.1% of the contiguous United States, an increase from last week’s 12.0%. Extreme drought held steady for a second week, covering 0.8% of the Lower 48. And, exceptional drought remained absent from the nation for a fifth consecutive week.

The atmospheric circulation during this U.S. Drought Monitor week consisted of Pacific weather systems moving in a storm track that kept mostly along the US-Canada border. Canadian cold fronts were dragged across the Plains and Midwest, into the Northeast, with some of them reaching the Gulf of Mexico Coast. The fronts brought below-normal temperatures to the contiguous United States east of the Rockies, while the Southwest and Florida were warmer than normal mostly due to high pressure.

The westerly circulation pattern dried out Pacific weather systems as they crossed the Rockies, and blocked Gulf of Mexico moisture over the East, so most of the Lower 48 was drier than normal. But, the Pacific systems brought above-normal precipitation to parts of the West Coast and Pacific Northwest as they came ashore, and some of the fronts were moist enough to drop above-normal precipitation over parts of the southern Plains and Southeast to Mid-Atlantic region. As a result, drought and abnormal dryness contracted across parts of the Pacific Northwest but expanded in parts of the Southwest, southern Plains to mid-Mississippi valley, and Southeast.

Abnormal dryness and drought are currently affecting over 84 million people across the United States—about 27.1% of the country’s population.

Map of U.S. drought conditions for November 14, 2017

The full U.S. Drought Monitor weekly update is available from

In addition to, you can find further information on the current drought as well as on this week’s Drought Monitor update at the National Drought Mitigation Center. See their recent news releases.

The most recent U.S. Drought Outlook is available from NOAA’s Climate Prediction Center and the U.S. Department of Agriculture provides information about the drought’s influence on crops and livestock.

For additional drought information, follow #DroughtMonitor on Facebook and Twitter.

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