Master Plan
Nashua Fire Rescue, NH
The U.S. Drought Monitor (USDM), established in 2000, maps the location and intensity of drought across
the country. USDM classifies droughts in accordance with the following criteria.°
Ob ¢
Figure 14. U.S. Drought Monitor
DO - Abnormally Dry
» Short-term dryness slowing planting, 0.3%
growth of crops of State
* Some lingering water deficits
* Pastures or crops not fully recovered
D1 - Moderate Drought
» Some damage to crops, pastures 80.8%
* Some water shortages developing of State
* Voluntary water-use restrictions
requested
D2 - Severe Drought
* Crop or pasture loss likely 7.9%
* Water shortages common of State
« Water restrictions imposed
D3 - Extreme Drought
* Major crop/pasture losses 11.0%
* Widespread water shortages or of State
restrictions
D4 - Exceptional Drought
* Exceptional and widespread
crop/pasture losses
» Shortages of water creating water
emergencies
100.0%
Do-D4
99.7%
Di-D4
18.9%
D2-D4
11.0%
Ds-D4
0.0%
of State
Since 2000, the longest duration of drought (D1—D4) in New Hampshire lasted 47 weeks, beginning on June
7, 2016, and ending on April 25, 2017. The most intense period of drought occurred the week of October 6,
2020, where D3 affected 21.99% of New Hampshire.
° New Hampshire | Drought.gov.
ESC Emergency Services
Consulting International
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