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By Location | County

Drought Conditions for Dallas County

Get notified when conditions change
0

people in Dallas County are affected by drought

Change of
No change
since last week
Change of
100%
since last month
0%

of people in Dallas County are affected by drought

Change of
No change
since last week
Change of
100%
since last month
5th

wettest October on record, over the past 129 years

Change of
6.7
Change of
inches from normal
63rd

driest year to date over the past 129 years (January-October 2023)

Change of
0.12
Change of
inches from normal
Current Conditions for Dallas County

Drought & Dryness Categories
Value Map Hex Color % of Dallas County Description
D0 - Abnormally Dry #ffff00 0 Abnormally Dry Abnormally Dry (D0) indicates a region that is going into or coming out of drought. View typical impacts by state.
D1 – Moderate Drought #ffcc99 0 Moderate Drought Moderate Drought (D1) is the first of four drought categories (D1–D4), according to the U.S. Drought Monitor. View typical impacts by state.
D2 – Severe Drought #ff6600 0 Severe Drought Severe Drought (D2) is the second of four drought categories (D1–D4), according to the U.S. Drought Monitor. View typical impacts by state.
D3 – Extreme Drought #ff0000 0 Extreme Drought Extreme Drought (D3) is the third of four drought categories (D1–D4), according to the U.S. Drought Monitor. View typical impacts by state.
D4 – Exceptional Drought #660000 0 Exceptional Drought Exceptional Drought (D4) is the most intense drought category, according to the U.S. Drought Monitor. View typical impacts by state.
Total Area in Drought (D1–D4) dmtotal 0 Total Area in Drought (D1–D4) Percentage of this county that is currently in drought (D1–D4), according to the U.S. Drought Monitor.
Percent of Normal Precipitation (%)
Range Map Hex Color Description
0% - 25% #8c510a Precipitation was only 0% to 25% of the historical average for this location, compared to the same date range from 1991–2020. 
25% - 50% #bf812d 25%–50% of Normal Precipitation was 25% to 50% of the historical average for this location, compared to the same date range from 1991–2020. 
50% - 75% #dfc27d 50%–75% of Normal Precipitation was 50% to 75% of the historical average for this location, compared to the same date range from 1991–2020. 
75% - 100% #f6e8c3 75%–100% of Normal Precipitation was 75% to 100% of the historical average for this location, compared to the same date range from 1991–2020. 
Range Map Hex Color Description
100% - 150% #c7eae5 100%–150% of Normal Precipitation was 100% to 150% of the historical average for this location, compared to the same date range from 1991–2020. 
150% - 200% #80cdc1 150%–200% of Normal Precipitation was 150% to 200% of the historical average for this location, compared to the same date range from 1991–2020. 
200% - 300% #35978f 200%–300% of Normal Precipitation was 200% to 300% of the historical average for this location, compared to the same date range from 1991–2020. 
300% - #01665e >300% of Normal Precipitation was greater than 300% of the historical average for this location, compared to the same date range from 1991–2020. 
Departure from Normal Max Temperature (°F)
Range Map Hex Color Description
- -8 #0404ff >8°F Below Normal The average maximum temperature was more than 8°F colder than normal for this location.
-8 - -6 #2166ac 6–8°F Below Normal The average maximum temperature was 6–8°F colder than normal for this location.
-6 - -4 #4393c3 4–6°F Below Normal The average maximum temperature was 4–6°F colder than normal for this location.
-4 - -3 #92c5de 3–4°F Below Normal The average maximum temperature was 3–4°F colder than normal for this location.
-3 - -1 #d1e5f0 1–3°F Below Normal The average maximum temperature was 1–3°F colder than normal for this location.
-1 - 0 #ffffff 0–1°F Below Normal The average maximum temperature was 0–1°F colder than normal for this location.
Range Map Hex Color Description
0 - 1 #ffffff 0–1°F Above Normal The average maximum temperature was 0–1°F warmer than normal for this location.
1 - 3 #fddbc7 1–3°F Above Normal The average maximum temperature was 1–3°F warmer than normal for this location.
3 - 4 #f4a582 3–4°F Above Normal The average maximum temperature was 3–4°F warmer than normal for this location.
4 - 6 #d6604d 4–6°F Above Normal The average maximum temperature was 4–6°F warmer than normal for this location.
6 - 8 #b2182b 6–8°F Above Normal The average maximum temperature was 6–8°F warmer than normal for this location.
8 - #800000 >8°F Above Normal The average maximum temperature was more than 8°F warmer than normal for this location.

Multi-Indicator Drought Index (MIDI)

Dry Conditions
Value Map Hex Color Description
D4 #730000 Exceptional Drought (0–2nd Percentile) This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979–present. According to these indices, current conditions are drier than 98% to 100% of past conditions. Learn more about these categories.
D3 #E60000 Extreme Drought (2nd–5th Percentile) This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979–present. According to these indices, current conditions are drier than 95% to 98% of past conditions. Learn more about these categories.
D2 #FFAA00 Severe Drought (5th–10th Percentile) This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979–present. According to these indices, current conditions are drier than 90% to 95% of past conditions. Learn more about these categories.
D1 #FCD37F Moderate Drought (10th–20th Percentile) This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979–present. According to these indices, current conditions are drier than 80% to 90% of past conditions. Learn more about these categories.
D0 #FFFF00 Abnormally Dry (20th–30th Percentile) This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979–present. According to these indices, current conditions are drier than 70% to 80% of past conditions. Learn more about these categories.
Wet Conditions
Value Map Hex Color Description
W0 #AAFF55 Abnormally Wet (70th–80th Percentile) This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979–present. According to these indices, current conditions are wetter than 70% to 80% of past conditions. Learn more about these categories.
W1 #01FFFF Moderate Wet (80th–90th Percentile) This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979–present. According to these indices, current conditions are wetter than 80% to 90% of past conditions. Learn more about these categories.
W2 #00AAFF Severe Wet (90th–95th Percentile) This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979–present. According to these indices, current conditions are wetter than 90% to 95% of past conditions. Learn more about these categories.
W3 #0000FF Extreme Wet (95th–98th Percentile) This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979–present. According to these indices, current conditions are wetter than 95% to 98% of past conditions. Learn more about these categories.
W4 #0000AA Exceptional Wet (98th–100th Percentile) This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979–present. According to these indices, current conditions are wetter than 98% to 100% of past conditions. Learn more about these categories.

Experimental

Dry Conditions
Value Map Hex Color Description
D4 #730000 Exceptional Drought (0–2nd Percentile) This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979–present. According to these indices, current conditions are drier than 98% to 100% of past conditions. Learn more about these categories.
D3 #E60000 Extreme Drought (2nd–5th Percentile) This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979–present. According to these indices, current conditions are drier than 95% to 98% of past conditions. Learn more about these categories.
D2 #FFAA00 Severe Drought (5th–10th Percentile) This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979–present. According to these indices, current conditions are drier than 90% to 95% of past conditions. Learn more about these categories.
D1 #FCD37F Moderate Drought (10th–20th Percentile) This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979–present. According to these indices, current conditions are drier than 80% to 90% of past conditions. Learn more about these categories.
D0 #FFFF00 Abnormally Dry (20th–30th Percentile) This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979–present. According to these indices, current conditions are drier than 70% to 80% of past conditions. Learn more about these categories.
Wet Conditions
Value Map Hex Color Description
W0 #AAFF55 Abnormally Wet (70th–80th Percentile) This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979–present. According to these indices, current conditions are wetter than 70% to 80% of past conditions. Learn more about these categories.
W1 #01FFFF Moderate Wet (80th–90th Percentile) This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979–present. According to these indices, current conditions are wetter than 80% to 90% of past conditions. Learn more about these categories.
W2 #00AAFF Severe Wet (90th–95th Percentile) This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979–present. According to these indices, current conditions are wetter than 90% to 95% of past conditions. Learn more about these categories.
W3 #0000FF Extreme Wet (95th–98th Percentile) This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979–present. According to these indices, current conditions are wetter than 95% to 98% of past conditions. Learn more about these categories.
W4 #0000AA Exceptional Wet (98th–100th Percentile) This map integrates multiple drought indices measuring precipitation and moisture into one computer-generated drought map, with a reference period of 1979–present. According to these indices, current conditions are wetter than 98% to 100% of past conditions. Learn more about these categories.

Experimental
Agriculture in Dallas County

U.S. Drought Monitor
Value Map Hex Color Description
D0 #ffff00 D0 - Abnormally Dry Abnormally Dry (D0) indicates a region that is going into or coming out of drought, according to the U.S. Drought Monitor. View typical impacts by state.
D1 #fcd37f D1 – Moderate Drought Moderate Drought (D1) is the first of four drought categories (D1–D4), according to the U.S. Drought Monitor. View typical impacts by state.
D2 #fa0 D2 – Severe Drought Severe Drought (D2) is the second of four drought categories (D1–D4), according to the U.S. Drought Monitor. View typical impacts by state.
D3 #e60000 D3 – Extreme Drought Extreme Drought (D3) is the third of four drought categories (D1–D4), according to the U.S. Drought Monitor. View typical impacts by state.
D4 #730000 D4 – Exceptional Drought Exceptional Drought (D4) is the most intense drought category, according to the U.S. Drought Monitor. View typical impacts by state.
U.S. Drought Monitor
Value Map Hex Color Description
D0 #ffff00 D0 - Abnormally Dry Abnormally Dry (D0) indicates a region that is going into or coming out of drought, according to the U.S. Drought Monitor. View typical impacts by state.
D1 #fcd37f D1 – Moderate Drought Moderate Drought (D1) is the first of four drought categories (D1–D4), according to the U.S. Drought Monitor. View typical impacts by state.
D2 #fa0 D2 – Severe Drought Severe Drought (D2) is the second of four drought categories (D1–D4), according to the U.S. Drought Monitor. View typical impacts by state.
D3 #e60000 D3 – Extreme Drought Extreme Drought (D3) is the third of four drought categories (D1–D4), according to the U.S. Drought Monitor. View typical impacts by state.
D4 #730000 D4 – Exceptional Drought Exceptional Drought (D4) is the most intense drought category, according to the U.S. Drought Monitor. View typical impacts by state.
U.S. Drought Monitor
Value Map Hex Color Description
D0 #ffff00 D0 - Abnormally Dry Abnormally Dry (D0) indicates a region that is going into or coming out of drought, according to the U.S. Drought Monitor. View typical impacts by state.
D1 #fcd37f D1 – Moderate Drought Moderate Drought (D1) is the first of four drought categories (D1–D4), according to the U.S. Drought Monitor. View typical impacts by state.
D2 #fa0 D2 – Severe Drought Severe Drought (D2) is the second of four drought categories (D1–D4), according to the U.S. Drought Monitor. View typical impacts by state.
D3 #e60000 D3 – Extreme Drought Extreme Drought (D3) is the third of four drought categories (D1–D4), according to the U.S. Drought Monitor. View typical impacts by state.
D4 #730000 D4 – Exceptional Drought Exceptional Drought (D4) is the most intense drought category, according to the U.S. Drought Monitor. View typical impacts by state.
U.S. Drought Monitor
Value Map Hex Color Description
D0 #ffff00 D0 - Abnormally Dry Abnormally Dry (D0) indicates a region that is going into or coming out of drought, according to the U.S. Drought Monitor. View typical impacts by state.
D1 #fcd37f D1 – Moderate Drought Moderate Drought (D1) is the first of four drought categories (D1–D4), according to the U.S. Drought Monitor. View typical impacts by state.
D2 #fa0 D2 – Severe Drought Severe Drought (D2) is the second of four drought categories (D1–D4), according to the U.S. Drought Monitor. View typical impacts by state.
D3 #e60000 D3 – Extreme Drought Extreme Drought (D3) is the third of four drought categories (D1–D4), according to the U.S. Drought Monitor. View typical impacts by state.
D4 #730000 D4 – Exceptional Drought Exceptional Drought (D4) is the most intense drought category, according to the U.S. Drought Monitor. View typical impacts by state.
U.S. Drought Monitor
Value Map Hex Color Description
D0 #ffff00 D0 - Abnormally Dry Abnormally Dry (D0) indicates a region that is going into or coming out of drought, according to the U.S. Drought Monitor. View typical impacts by state.
D1 #fcd37f D1 – Moderate Drought Moderate Drought (D1) is the first of four drought categories (D1–D4), according to the U.S. Drought Monitor. View typical impacts by state.
D2 #fa0 D2 – Severe Drought Severe Drought (D2) is the second of four drought categories (D1–D4), according to the U.S. Drought Monitor. View typical impacts by state.
D3 #e60000 D3 – Extreme Drought Extreme Drought (D3) is the third of four drought categories (D1–D4), according to the U.S. Drought Monitor. View typical impacts by state.
D4 #730000 D4 – Exceptional Drought Exceptional Drought (D4) is the most intense drought category, according to the U.S. Drought Monitor. View typical impacts by state.

Crop Production (Acres) or Livestock Count

A circle with the radius of 20 pixels identifies:
> 500,000
A circle with the radius of 16 pixels identifies:
> 300,000
A circle with the radius of 12 pixels identifies:
> 100,000
A circle with the radius of 8 pixels identifies:
≤ 100,000

0
acres of hay in drought (D1–D4) in Dallas County (estimated)
0
acres of wheat in drought (D1–D4) in Dallas County (estimated)
0
acres of soybean in drought (D1–D4) in Dallas County (estimated)
0
number of cattle in drought (D1–D4) in Dallas County (estimated)
0
number of sheep in drought (D1–D4) in Dallas County (estimated)
Streamflow & Precipitation in Dallas County

Streamflow Conditions
Value Map Hex Color Description
Low #ff0000 Record Low Estimated streamflow is the lowest value recorded at this gauge on this day of the year. Learn more.
Much Below #b12121 Much Below Normal ( Estimated streamflow is in the 0–10th percentile of historical streamflow values recorded at this gauge on this day of the year. Learn more.
Below #ffa400 Below Normal (10th–25th Percentile) Estimated streamflow is in the 10th–25th percentile of historical streamflow values recorded at this gauge on this day of the year. Learn more.
Normal #00ff00 Normal (25th–75th Percentile) Estimated streamflow is in the 25th–75th percentile of historical streamflow values recorded at this gauge on this day of the year. Learn more.
Value Map Hex Color Description
Above #40dfd0 Above Normal (75th–90th Percentile) Estimated streamflow is in the 75th–90th percentile of historical streamflow values recorded at this gauge on this day of the year. Learn more.
Much Above #0000ff Much Above Normal (>90th Percentile) Estimated streamflow is in the 90th–100th percentile of historical streamflow values recorded at this gauge on this day of the year. Learn more.
High #000000 Record High Estimated streamflow is the highest value ever measured at this gauge on this day of the year. Learn more.
Not Ranked #ffffff Not Ranked A flow category has not been computed for this gauge, for example due to insufficient historical data or no current streamflow estimates.
Probability (Percent Chance) of Below-Normal Precipitation
Range Map Hex Color Description
100% - 90% #4f2f2f >90% Chance of Below Normal There is a >90% chance of below-normal precipitation during this period. 
90% - 80% #804000 80%–90% Chance of Below Normal There is an 80%–90% chance of below-normal precipitation during this period. 
80% - 70% #934639 70%–80% Chance of Below Normal There is an 70%–80% chance of below-normal precipitation during this period. 
70% - 60% #9b5031 60%–70% Chance of Below Normal There is an 60%–70% chance of below-normal precipitation during this period. 
60% - 50% #bb6d33 50%–60% Chance of Below Normal There is an 50%–60% chance of below-normal precipitation during this period. 
50% - 40% #d8a750 40%–50% Chance of Below Normal There is an 40%–50% chance of below-normal precipitation during this period. 
40% - 33% #f0d493 33%–40% Chance of Below Normal There is an 33%–40% chance of below-normal precipitation during this period. 
Probability (Percent Chance) of Above-Normal Precipitation
Range Map Hex Color Description
33% - 40% #b3d9ab 33%–40% Chance of Above Normal There is an 33%–40% chance of above-normal precipitation during this period. 
40% - 50% #94cd7e 40%–50% Chance of Above Normal There is an 40%–50% chance of above-normal precipitation during this period. 
50% - 60% #48ae38 50%–60% Chance of Above Normal There is an 50%–60% chance of above-normal precipitation during this period. 
60% - 70% #3a7b5f 60%–70% Chance of Above Normal There is an 60%–70% chance of above-normal precipitation during this period. 
70% - 80% #008e40 70%–80% Chance of Above Normal There is an 70%–80% chance of above-normal precipitation during this period. 
80% - 90% #28553d 80%–90% Chance of Above Normal There is an 80%–90% chance of above-normal precipitation during this period. 
90% - 100% #285517 >90% Chance of Above Normal There is a >90% chance of above-normal precipitation during this period. 

46
percent of streamflow sites that are below normal in Texas
5
percent of streamflow sites that are above normal in Texas
21
percent area of Texas with above normal precipitation probability this month
0
percent area of Texas with below normal precipitation probability this month
Public Health in Dallas County

Social Vulnerability Index (SVI)
Value Map Hex Color
0.7501 - 1 | Highest Vulnerability #265C9E
0.5001 - 0.75 #42ABB6
0.2501 - 0.5 #96C9A7
0 - 0.25 | Lowest Vulnerability #EBEBBE
Data Unavailable #909090
U.S. Drought Monitor
Value Map Hex Color
D0 #ffff00
D1 #ffcc99
D2 #ff6600
D3 #ff0000
D4 #660000
Air Quality
Value Map Hex Color Description
Good #01e400 AQI 0 to 50: Good Air quality is satisfactory, and air pollution poses little or no risk. Learn more.
Moderate #ffff00 AQI 51 to 100: Moderate Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. Learn more.
Unhealthy for Sensitive Groups #ff7e00 AQI 101 to 150: Unhealthy for Sensitive Groups Members of sensitive groups may experience health effects. The general public is less likely to be affected. Learn more.
Value Map Hex Color Description
Unhealthy #ff0000 AQI 151 to 200: Unhealthy Some members of the general public may experience health effects; members of sensitive groups may experience more serious health effects. Learn more.
Very Unhealthy #8f3f97 AQI 201 to 300: Very Unhealthy Health alert: The risk of health effects is increased for everyone. Learn more.
Hazardous #7e0023 AQI >301: Hazardous Health warning of emergency conditions: everyone is more likely to be affected. Learn more.
U.S. Drought Monitor
Value Map Hex Color Description
D0 #ffff00 D0 - Abnormally Dry Abnormally Dry (D0) indicates a region that is going into or coming out of drought, according to the U.S. Drought Monitor. View typical impacts by state.
D1 #fcd37f D1 – Moderate Drought Moderate Drought (D1) is the first of four drought categories (D1–D4), according to the U.S. Drought Monitor. View typical impacts by state.
D2 #fa0 D2 – Severe Drought Severe Drought (D2) is the second of four drought categories (D1–D4), according to the U.S. Drought Monitor. View typical impacts by state.
D3 #e60000 D3 – Extreme Drought Extreme Drought (D3) is the third of four drought categories (D1–D4), according to the U.S. Drought Monitor. View typical impacts by state.
D4 #730000 D4 – Exceptional Drought Exceptional Drought (D4) is the most intense drought category, according to the U.S. Drought Monitor. View typical impacts by state.

0.75
Social Vulnerability Index Score
No
Heat Warning issued by the National Weather Service
No
Air Quality Warning issued by the National Weather Service
No Wildfire
in Dallas
Future Conditions for Dallas County

Quantitative Precipitation Forecast

Predicted Inches of Precipitation
Range Map Hex Color
0 - 0.01 #ffffff
0.01 - 0.1 #7fff00
0.1 - 0.25 #00cd00
0.25 - 0.5 #008b00
0.5 - 0.75 #104e8b
0.75 - 1 #1e90ff
1 - 1.25 #00b2ee
1.25 - 1.5 #00eeee
1.5 - 1.75 #8968cd
Range Map Hex Color
1.75 - 2 #912cee
2 - 2.5 #8b008b
2.5 - 3 #8b0000
3 - 4 #cd0000
4 - 5 #ee4000
5 - 7 #ff7f00
7 - 10 #cd8500
10 - 15 #ffd700
15 - 20 #ffff00
20 - #ffaeb9
Predicted Inches of Precipitation
Range Map Hex Color
0 - 0.01 #ffffff
0.01 - 0.1 #7fff00
0.1 - 0.25 #00cd00
0.25 - 0.5 #008b00
0.5 - 0.75 #104e8b
0.75 - 1 #1e90ff
1 - 1.25 #00b2ee
1.25 - 1.5 #00eeee
1.5 - 1.75 #8968cd
Range Map Hex Color
1.75 - 2 #912cee
2 - 2.5 #8b008b
2.5 - 3 #8b0000
3 - 4 #cd0000
4 - 5 #ee4000
5 - 7 #ff7f00
7 - 10 #cd8500
10 - 15 #ffd700
15 - 20 #ffff00
20 - #ffaeb9

U.S. Drought Outlooks

Drought Is Predicted To...
Value Map Hex Color Description
Persist #9b634a Drought Persists During this time period, drought is forecast to persist.
Improve #ded2bc Drought Improves During this time period, drought is forecast to improve.
End #b2ad69 Drought Is Removed During this time period, drought removal is forecast.
Develop #ffde63 Drought Develops During this time period, drought development is forecast.
N/A #ffffff No Drought Present
Drought Is Predicted To...
Value Map Hex Color Description
Persist #9b634a Drought Persists During this time period, drought is forecast to persist.
Improve #ded2bc Drought Improves During this time period, drought is forecast to improve.
End #b2ad69 Drought Is Removed During this time period, drought removal is forecast.
Develop #ffde63 Drought Develops During this time period, drought development is forecast.
N/A #ffffff No Drought Present

Historical Conditions for Dallas County

U.S. Drought Monitor
Value Map Hex Color Description
D0 #ffff00 D0 - Abnormally Dry Abnormally Dry (D0) indicates a region that is going into or coming out of drought, according to the U.S. Drought Monitor. View typical impacts by state.
D1 #fcd37f D1 – Moderate Drought Moderate Drought (D1) is the first of four drought categories (D1–D4), according to the U.S. Drought Monitor. View typical impacts by state.
D2 #fa0 D2 – Severe Drought Severe Drought (D2) is the second of four drought categories (D1–D4), according to the U.S. Drought Monitor. View typical impacts by state.
D3 #e60000 D3 – Extreme Drought Extreme Drought (D3) is the third of four drought categories (D1–D4), according to the U.S. Drought Monitor. View typical impacts by state.
D4 #730000 D4 – Exceptional Drought Exceptional Drought (D4) is the most intense drought category, according to the U.S. Drought Monitor. View typical impacts by state.

The U.S. Drought Monitor (2000–present) depicts the location and intensity of drought across the country. Every Thursday, authors from NOAA, USDA, and the National Drought Mitigation Center produce a new map based on their assessments of the best available data and input from local observers. The map uses five categories: Abnormally Dry (D0), showing areas that may be going into or are coming out of drought, and four levels of drought (D1–D4). Learn more.