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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Rapid City SD
635 AM MDT Mon Jun 18 2018

SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058-
071-191300-
Harding-Perkins-Butte-Northern Meade Co Plains-Ziebach-
Northern Black Hills-Northern Foot Hills-Rapid City-
Southern Foot Hills-Central Black Hills-Southern Black Hills-
Custer Co Plains-Pennington Co Plains-Haakon-Fall River-
Oglala Lakota-Jackson-Bennett-Mellette-Todd-Tripp-
Sturgis/Piedmont Foot Hills-Southern Meade Co Plains-
Hermosa Foot Hills-Northern Campbell-Southern Campbell-
Western Crook-Wyoming Black Hills-Weston-Northeastern Crook-
635 AM MDT Mon Jun 18 2018 /735 AM CDT Mon Jun 18 2018/

This Hazardous Weather Outlook is for western South Dakota and
northeastern Wyoming.

.DAY ONE...Today and Tonight

Widespread rain showers are expected today. Some areas of heavy
rainfall will be possible, especially across southern South
Dakota. With the recent rainfall, any heavy shower could produce
some locally rapid run off.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Another system will move through the area Tuesday night into
Wednesday, with strong thunderstorms and heavy rain likely over a
large part of the forecast area.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

$$




Flash Flood Watch

Flood Watch
National Weather Service Rapid City SD
359 AM MDT Tue Jun 19 2018

...Moderate to Heavy Rainfall Expected Later This Afternoon
Through Wednesday Evening Across Much of the Area...

.Another period of showers and thunderstorms will affect
northeastern Wyoming and much of western through south-central
South Dakota later this afternoon through Wednesday. Additional
rainfall of 1 to 2 inches is expected across much of the area,
with some higher amounts likely, especially from eastern parts of
the Black Hills to south central South Dakota. Given the recent
rainfall of 1 to 3 inches along with fairly saturated grounds,
conditions are favorable for the development of flooding or flash
flooding.

SDZ031-032-042>044-046-047-073-200000-
/O.EXT.KUNR.FF.A.0005.180620T0000Z-180621T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Pennington Co Plains-Haakon-Oglala Lakota-Jackson-Bennett-
Mellette-Todd-Southern Meade Co Plains-
Including the cities of Wall, Philip, Pine Ridge, Oglala, Kyle,
Kadoka, Martin, White River, Mission, and Union Center
359 AM MDT Tue Jun 19 2018 /459 AM CDT Tue Jun 19 2018/

...FLASH FLOOD WATCH NOW IN EFFECT FROM THIS EVENING THROUGH
WEDNESDAY EVENING...

The Flash Flood Watch is now in effect for

* Portions of northwestern South Dakota, south central South
  Dakota, and southwestern South Dakota, including the following
  areas, in northwestern South Dakota, the Southern Meade County
  Plains. In south central South Dakota, Mellette and Todd. In
  southwestern South Dakota, Bennett, Haakon, Jackson, Oglala
  Lakota, and the Pennington County Plains.

* From this evening through Wednesday evening

* Recent rainfall along with the potential for 1 to 3 inches of
  additional rainfall poses a threat for flooding or flash
  flooding.

* Flooding that develops could wash out roads in low-lying
  areas, as well as impact property along creeks, streams, and
  rivers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A flash flood watch means that conditions are favorable for heavy
rain over the watch area, which may cause flash flooding along
streams, creeks, canyons, and draws. If you are in the watch
area, monitor noaa weather radio and local media for updated
forecasts. Be ready to quickly move to higher ground, if heavy
rain occurs, rising water levels are observed, or a warning is
issued.

&&

$$



U.S. Dept. of Commerce
NOAA National Weather Service
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Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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