Overall Green Drought alert for Western USA-2021 in United States from 21 Apr 2021 00:00 UTC to 10 Aug 2021 00:00 UTC

Event summary

No evidence of relevant impacts or not enough information available to date.

Name:	Western USA-2021
Countries:	United States
Start Date:	End of Apr 2021
Duration:	236 days
Impact:	Minor impact for agricultural drought in 18686 km2
More info:	Global Drought Observatory

GDACS Score

For more info on GDACS alert score click here.

Maximum expected impact using different data sources.

Episode Timeline

ID	Score	Date	Description impact	Source
1	0.75	30 May 2021 00:00	Minor impact for agricultural drought in 29047 km2	GDO
2	0.75	10 Jul 2021 00:00	Minor impact for agricultural drought in 29047 km2	GDO
3	0.75	20 Jun 2021 00:00	Minor impact for agricultural drought in 29047 km2	GDO
4	0.75	30 Jun 2021 00:00	Minor impact for agricultural drought in 155263 km2	GDO
5	0.75	10 Jul 2021 00:00	Minor impact for agricultural drought in 209307 km2	GDO
6	0.75	20 Jul 2021 00:00	Minor impact for agricultural drought in 217993 km2	GDO
7	0.75	30 Jul 2021 00:00	Minor impact for agricultural drought in 160823 km2	GDO
8	0.75	10 Aug 2021 00:00	Minor impact for agricultural drought in 169200 km2	GDO
9	0.75	20 Aug 2021 00:00	Minor impact for agricultural drought in 151980 km2	GDO
10	0.75	30 Aug 2021 00:00	Minor impact for agricultural drought in 142431 km2	GDO
11	0.75	10 Sep 2021 00:00	Minor impact for agricultural drought in 142431 km2	GDO
12	0.75	20 Sep 2021 00:00	Minor impact for agricultural drought in 142431 km2	GDO
13	0.75	30 Sep 2021 00:00	Minor impact for agricultural drought in 142431 km2	GDO
14	0.75	10 Oct 2021 00:00	Minor impact for agricultural drought in 142431 km2	GDO
15	0.75	20 Oct 2021 00:00	Minor impact for agricultural drought in 142431 km2	GDO
16	0.75	30 Oct 2021 00:00	Minor impact for agricultural drought in 142431 km2	GDO
17	0.75	10 Nov 2021 00:00	Minor impact for agricultural drought in 91703 km2	GDO
18	0.25	20 Nov 2021 00:00	Minor impact for agricultural drought in 18686 km2	GDO

Affected Countries

Country
United States

Affected ARU (Administrative Reporting Unit)

RDrI-Agri	Name	Country
- Medium	California	United States
- Medium	Idaho	United States
- Medium	Montana	United States
- Medium	Oregon	United States
- Medium	Washington	United States
- Medium	Idaho	United States
- Medium	Montana	United States
- Low	Nevada	United States
- Low	Utah	United States
- Medium	Wyoming	United States
- Low	Nevada	United States
- Medium	Oregon	United States

More information

For a full list of available products related to this event, please refer to the GDACS Resources page.

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