Adnan Akyuz, Ph.D. NDSU, AES State Climatologist Updated 7/27/2017 Drought Conditions Adnan Akyuz, Ph.D. NDSU, AES State Climatologist Updated 7/27/2017

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 March-June 7th Driest 4-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) -2 Grand Forks 41st Driest (Record History: 125 years) -3 Bismarck 4th Driest (Record History: 143 years) Williston 6th Driest (Record History: 124 years) Minot 5th Driest (Record History: 113 years) Bowman 8th Driest (Record History: 103 years) +3

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 79% (+5) D2 61% (+4) DO 93% (-1) 7% (+1) D4 8% (+1) D3 46% (+5)

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: 287)

7-day Forecast Thu 7am, July 27 through Thu 7am, Aug 3

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

3-Mounth Outlook (August through October) Precipitation Temperature

Drought Outlook

Drought Impact This picture was taken in the D4 area of the Mercer County on July 25, 2017. (By Craig Askim, Extension Agent, NDSU)

Drought Impact A Field in Grant County (2016) Same field in Grant County on July 21, 2017 (After 1.74” of rain on July 18-19) Sent by Katie Wirth, Grant County Extension, NDSU