Overall Green alert Drought for Western USA-2021
in United States

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: 178 days
Impact: Minor impact for agricultural drought in 142431 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

IDAlertScoreDateDescription impactSource
1 0.75 21 May 2021 00:00 Minor impact for agricultural drought in 29047 km2 GDO
2 0.75 03 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 16 Oct 2021 00:00 Minor impact for agricultural drought in 142431 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.