1. State Climate Office Drought Update
Adnan Akyuz, Ph.D.
NDSU, AES
State Climatologist
Updated 7/26/2018

2. Countywide Precipitation Anomalies and Rankings
June 2018 (34th Wettest)
May-June 2018 (Near Normal)
Blue/Brown colors indicate wetter/drier than long-term ( ) average.

3. Countywide Temperature Anomalies and Rankings
June 2018 (8th Warmest)
May-June 2018 (3rd Warmest)
Blue/Brown colors indicate wetter/drier than long-term ( ) average.

4. 30-Day Precipitation
Total Accumulation
% of Normal
(NDAWN Images)

5. Long Term Precipitation % of Normal
60 Days
90 Days
(HPRCC Images)

6. (% Change from previous week)
Cumulative % area
(% Change from previous week)
None
19%
(0%) D1 1%
(0%) DO
16%
(0%)

7. State Coverage and Intensity

8. Drought Change
One-week Change
4-week Change

9. Drought Severity and Coverage Index (Statewide)
329
(Aug 8, 2006)
295
(Aug 8, 2017) 17
(-)
Drought Severity and Coverage Index = ADO + 2AD1 + 3AD2 + 4AD3 + 5AD4 (Akyüz, 2007)
Where: A is a % of the state covered under the corresponding D-severity

10. Accumulated Drought Severity and Coverage Index (Statewide)
9874
(+17)
9,530
10,645
9663
19,319
2116
1714
*Numbers indicate the area under the DSCI Index Curve
*Akyuz (2017)

11. Soil Moisture and Bare Soil Temperature
Soil Moisture Departure from Normal
5-week Evaporative Demand Drought Index (EDDI)
(40mm = 1.6”)

12. Weekly Drought Impact Collection Based on the NDSU Weekly Survey of Extension Offices

13. Corn GDD Accumulation Forecast*
Aug 31
*This graphic is created for Cass County based on:
88 day corn
May 10 planting date
Oct 8
*U2U Decision Support Tools:

14. Crassland Productivity Forecast (May-July)
*These three maps
show the forecasted percent change in grassland production compared to a county’s
34-year average.
USDA Northern Plains Climate Hub:

15. Impact Pictures
Killdeer Mountains northwest of Killdeer (Greg Benz)
Flooded fields in La Moure County (Julianne Racine)