Adnan Akyuz, Ph.D. NDSU, AES State Climatologist Updated 8/7/2017 Drought Conditions Adnan Akyuz, Ph.D. NDSU, AES State Climatologist Updated 8/7/2017

Prelude to Drought 2017 for ND Period Precipitation Ranking Fall 2016 14th Wettest Winter 2016-17 6th Wettest September through February 9th Wettest 6-mo Period March 2017 48th Driest April 2017 34th Driest May 2017 15th Driest Spring 2017 9th Driest Spring June 14th Driest July (unofficial) 8th Driest March-July (unofficial) 3rd Driest 5-mo Period

Precipitation Accumulation Since March 1 in Select Locations in ND (Ranking) Precipitation Totals Since March 1st Weekly Change Fargo 12th Driest (Record History: 137 years) +3 Grand Forks 40th Driest (Record History: 125 years) +5 Bismarck 10th Driest (Record History: 143 years) +6 Williston 10th Driest (Record History: 124 years) Minot 3rd Driest (Record History: 113 years) Bowman 7th Driest (Record History: 103 years)

7-Day Rainfall total

30-Day Rainfall Total Accumulation % of Normal

90-Day Rainfall Total Accumulation % of Normal

(% Change from previous week) Cumulative % area (% Change from previous week) D1 82% (+3) D2 62% (+1) DO 97% (+4) 3% (-4) D4 8% (0) D3 44% (-1)

Drought Change 1 Week 8 Weeks

State Coverage and Intensity (Time Scale) The worst statewide drought since 2006 *Drought Severity and Coverage Index = DOx1+D1x2+D2x3+D3x4+D4x5 *Akyuz (2007)

State Coverage and Intensity (Spatial Scale) 8/8/2006 (Index:329) 07/18/2017 (Index: 293)

7-day Forecast Mon 7am, Aug 7 through Mon 7am, Aug 14

Medium Range Forecast 8-14 Day Precipitation 8-14 Day Temperature

3-Mounth Outlook (September through November) Precipitation Temperature

Drought Outlook