Drought Information Statement
Issued by NWS Rapid City, SD

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AXUS73 KUNR 201320
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Drought Information Statement
National Weather Service Rapid City SD
720 AM MDT Thu Jul 20 2017

...Drought Conditions Continue to Expand Across Western South Dakota
and Northeastern Wyoming...

SYNOPSIS...

Hot conditions continued this past week. There were a few showers
and storms, but overall amounts were spotty. These conditions have
caused an increase in fire activity and continue to impact the
agricultural community. All of these factors combined have caused
drought conditions to expand.

The latest U.S. Drought Monitor depicts:

* Extreme (D3) drought conditions across northern Perkins and
  far northeastern Harding Counties.
* Severe (D2) drought conditions across the rest of Perkins and
  Harding Counties, all of Ziebach, far eastern Butte, most of
  Meade, far northeastern Pennington, Haakon, Tripp, eastern
  Mellette, and eastern Todd Counties in South Dakota. Severe (D2)
  drought also covers northern Crook County in northeastern Wyoming.
* Moderate (D1) drought in South Dakota covered the rest of Haakon,
  Butte, Meade, Mellette, and Todd Counties as well as northern and
  eastern Lawrence, central and eastern Pennington, most of Jackson,
  and eastern Bennett Counties. In northeastern Wyoming, Moderate
  (D1) drought conditions covered northern Campbell and central
  Crook Counties.
* Abnormally dry (D0) conditions covered the rest of the area. This
  included the rest of Crook County as well as Weston and most of
  Campbell Counties in northeastern Wyoming. In South Dakota,
  Abnormally dry (D0) conditions covered the rest of Lawrence,
  Custer, Fall River, Oglala Lakota, far southwestern Jackson, and
  western Bennett Counties.

SUMMARY OF IMPACTS...

Drought impacts continue to be reported by agricultural producers.
Many impacts are related to crop failures in winter and spring
wheat. Other substantial impacts include cattle deaths due to poor
water quality and an increase in cattle sales due to feed shortages
and poor growth in pastures and hay lands. Soil moisture continues
to dry out, with the latest USDA South Dakota Crop Progress and
Condition Report indicating topsoil moisture supplies rated at 85
percent very short or short and subsoil moisture supplies rated at
79 percent short or very short. Also, reports now indicate the
pheasant population is beginning to suffer due to the drought
conditions.

Several counties in western South Dakota have declared local
emergency drought disaster resolutions and Governor Dennis Daugaard
has already declared a statewide drought emergency for South Dakota.
Transport restrictions have been eased, allowing the movement of
oversized loads of hay and feed with proper signage and reflectors
and landowners adjacent to highways may mow and bale hay along state
highways.

CLIMATE SUMMARY...

Climate Summary June was hot and dry with above average temperatures
and below average precipitation. So far July has been hot, with most
areas receiving a little bit of precipitation, but rainfall amounts
are still quite a bit below average.

PRECIPITATION/TEMPERATURE OUTLOOK...

Sea surface temperatures in the tropical Pacific Ocean are slightly
above average, indicating neutral El Nino Southern Oscillation
(ENSO) conditions. The outlook for the summer and fall is for a
continuation of the ENSO-neutral conditions. For the northern
plains, this means there are equal chances for above, below, and
near-average temperatures and precipitation.

The outlook for the rest of July calls for a greater chance of above
average temperatures and below average precipitation.

The three-month outlook for August, September, and October calls for
increased odds toward above-average temperatures and equal chances
for above, below, and near-average precipitation.

HYDROLOGIC SUMMARY AND OUTLOOK...

According to the Bureau of Reclamation, reservoir levels at
Angostura, Deerfield, Keyhole, and Pactola are around average for
this time of the year. However, end of the month reservoir
elevations at Belle Fourche and Shadehill were below average.
Inflows into all of these projects were below average in June, with
Shadehill having their 2nd lowest June inflow on record and Belle
Fourche had their 5th lowest June inflow on record.

According to the U.S. Geological Survey 28-day average streamflow
compared to historical streamflow for the day of the year indicates
much below to below normal conditions across northwestern South
Dakota into south-central South Dakota. Elsewhere, streamflows are
around normal.

NEXT ISSUANCE...

The next drought statement will be issued around July 28.

&&

ACKNOWLEDGMENTS...

The drought monitor is a multi-agency effort involving NOAA`s
National Weather Service and the National Centers for Environmental
Information, United States Department of Agriculture (USDA), State
and Regional Climate Centers, and the National Drought Mitigation
Center at the University of Nebraska-Lincoln. Information for this
statement has been gathered from the NWS and Federal Aviation
Administration observing sites, State Cooperative Extension
Services, United States Department of Agriculture, Bureau of
Reclamation, and the United States Geological Survey.

QUESTIONS OR COMMENTS...

If you have any questions or comments about this drought
information, please contact...

Melissa Smith
Service Hydrologist
National Weather Service
300 East Signal Drive
Rapid City South Dakota 57701
605-341-9271
melissa.smith@noaa.gov

RELATED WEB SITES...

U.S. Drought page...
http://www.drought.gov

South Dakota Climate and Weather Information...
http://climate.sdstate.edu

Wyoming Water and Climate Information...
http://www.wrds.uwyo.edu/

U.S. Drought Monitor...
http://droughtmonitor.unl.edu

River and Reservoir Information
NWS - http://water.weather.gov/ahps
USGS - http://www.usgs.gov/water
USBR - http://www.usbr.gov/gp/lakes_reservoirs

Climate Prediction Center...
http://www.cpc.ncep.noaa.gov

Black Hills Fire Restrictions...
http://blackhillsfirerestrictions.com

$$

Smith



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