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Map released: Thurs. October 12, 2017
Data valid: October 10, 2017 at 8 a.m. EDT


  • None
  • D0 (Abnormally Dry)
  • D1 (Moderate Drought)
  • D2 (Severe Drought)
  • D3 (Extreme Drought)
  • D4 (Exceptional Drought)


The Drought Monitor focuses on broad-scale conditions. Local conditions may vary. See accompanying text summary for forecast statements.

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Estimated Population in Drought Areas: View More Statistics

Northeast Drought Summary

According to the Advanced Hydrologic Prediction Service (AHPS), moderate rain amounts (0.5-2.0 inches) were generally reported over most of this region during the past 7-days, with parts of West Virginia and northern New York observing somewhat greater amounts (2-4 inches). The tropical moisture that worked its way into the Northeast during the second half of the drought week helped to stave off what would have been the introduction of abnormal dryness (D0) in areas such as the eastern West Virginia panhandle and northern Maryland. In the former area, abnormal dryness (D0) was trimmed out of Grant and Hardy Counties. No rain was observed in parts of the eastern West Virginia Panhandle since the middle of September, with very little precipitation during the preceding two-week period. Less precipitation (0.25-1.0 inch, locally greater) was reported in much of the Baltimore-Washington area, with little to no precipitation even farther east. In the absence of significant rainfall this week, the depiction of the I-95 Corridor region may need to show D0 next week. With the beneficial rains from Nate remaining largely west of the I-95 Corridor, the introduction of D0 was warranted for most of Delaware. This was based on 30-day and 60-day Departure from Normal Precipitation (DNP), Standardized Precipitation Indices (SPI) out through 120-days, and below normal CPC Soil Moisture values from July 31-October 9. Short-term dryness (30-days) is especially prominent in this area. Abnormal dryness was also expanded to include western Long Island, NY, as this area’s conditions appear similar to those of its surroundings. Interestingly, a USGS stream flow gauge in Valley Stream in Nassau County reported above-normal flow on October 10th and near-normal flow on October 11th, perhaps in response to very recent, localized shower activity.

Read the full drought summary