273  
AXUS73 KABR 170953  
DGTABR  
MNC011-155-SDC013-017-021-025-029-031-037-039-041-045-049-051-057-  
059-065-069-075-085-089-091-107-109-115-117-119-129-191000-  
 
DROUGHT INFORMATION STATEMENT  
NATIONAL WEATHER SERVICE ABERDEEN SD  
453 AM CDT FRI AUG 17 2018 /353 AM MDT FRI AUG 17 2018/  
 
...SEVERE DROUGHT CONDITIONS ONCE AGAIN FOR A SMALL AREA OF NORTHEAST  
SOUTH DAKOTA...  
 
SYNOPSIS...  
 
AUGUST HAS BEEN VERY DRY ACROSS NORTHEAST AND NORTH CENTRAL SOUTH  
DAKOTA, WHICH HAS LED TO WORSENING DROUGHT CONDITIONS. IMPROVEMENTS  
WERE NOTED BY MID JULY AS EPISODES OF RAINFALL MOVED OVER NORTHEAST  
SOUTH DAKOTA. OVER THE PAST FEW WEEKS THOUGH, DRYNESS HAS ONCE AGAIN  
TAKEN OVER, WITH HOT TEMPERATURES AS WELL. A SMALL AREA OF SEVERE  
DROUGHT IS NOTED OVER NORTHEAST SOUTH DAKOTA, WHERE LONGER TERM  
DRYNESS IS A PROBLEM.  
 
D2 (SEVERE) DROUGHT COUNTIES: SOUTHWEST BROWN, NORTHWEST SPINK,  
NORTHEAST FAULK, EASTERN EDMUNDS.  
 
D1 (MODERATE) DROUGHT COUNTIES: SOUTHERN BROWN, EDMUNDS, SOUTHEAST  
MCPHERSON, EASTERN WALWORTH, EASTERN POTTER, FAULK, NORTHERN HAND,  
NORTHERN HYDE, SPINK, NORTHWEST CLARK, SOUTHWEST DAY.  
 
D0 (ABNORMALLY DRY) COUNTIES: MUCH OF CENTRAL AND NORTHEAST SOUTH  
DAKOTA.  
 
SUMMARY OF IMPACTS...  
 
STATE AND LOCAL ACTIONS:  
NONE KNOWN.  
 
SOIL MOISTURE CONDITIONS:  
ACCORDING TO THE LATEST RELEASE OF THE SOUTH DAKOTA CROP PROGRESS AND  
CONDITION REPORT FOR THE WEEK ENDING AUGUST 12TH, TOPSOIL MOISTURE  
SUPPLIES WAS RATED 38 PERCENT SHORT OR VERY SHORT. THIS IS 20 PERCENT  
HIGHER COMPARED TO CONDITIONS IN EARLY JULY. SUBSOIL MOISTURE  
SUPPLIES WAS RATED 39 PERCENT SHORT OR VERY SHORT. THIS IS 26 PERCENT  
HIGHER THAN EARLY JULY.  
 
AGRICULTURAL IMPACTS:  
THE LATEST CROP PROGRESS AND CONDITION REPORT FOR THE STATE OF SOUTH  
DAKOTA SHOWED CORN CONDITION 7 PERCENT POOR OR VERY POOR. SOYBEANS  
WERE RATED 9 PERCENT POOR OR VERY POOR. SORGHUM WAS RATED 3 PERCENT  
POOR OR VERY POOR. PASTURE AND RANGE CONDITIONS WERE RATED 16 PERCENT  
POOR OR VERY POOR.  
 
RIVER AND STREAMFLOW CONDITIONS:  
CURRENT 7-DAY AVERAGE STREAMFLOWS ACROSS THE AREA ARE NEAR NORMAL.  
 
FIRE DANGER IMPACTS:  
FIRE DANGER HAS BEEN INCREASING OVER THE PAST WEEK OR TWO AS DRY AND  
HOT TEMPERATURES HAVE BEEN THE STORY FOR THE FIRST HALF OF AUGUST.  
FUELS ARE DRYING OUT AND HAVE ACTUALLY REACHED A CRITICAL STATE  
ACROSS MUCH OF CENTRAL SOUTH DAKOTA. DURING TIMES OF STRONG WINDS AND  
LOW HUMIDITY, HIGH TO VERY HIGH FIRE DANGER HAS BEEN NOTED. A FEW  
GRASS FIRES HAVE ALSO OCCURRED ACROSS THE REGION.  
 
CLIMATE SUMMARY...  
 
SO FAR FOR THE MONTH OF AUGUST, MOBRIDGE HAS ONLY RECEIVED A TRACE OF  
RAINFALL. ABERDEEN HAS ONLY RECEIVED 0.06 INCHES OF RAIN AND SISSETON  
ONLY 0.09. OVER THE PAST 30 DAYS, PRECIPITATION HAS ONLY BEEN 25 TO  
75 PERCENT OF NORMAL OVER THE D1 AND D2 DROUGHT AREA. LONGER TERM  
PRECIPITATION DEFICITS REMAIN IN THIS AREA. GOING BACK 120 DAYS, THE  
D2 DROUGHT AREA IS ABOUT 4 TO 6 INCHES BELOW NORMAL.  
 
PRECIPITATION/TEMPERATURE OUTLOOK...  
 
THE LATEST 8 TO 14 DAY OUTLOOK FROM THE CLIMATE PREDICTION CENTER  
CALLS FOR AN INCREASED PROBABILITY FOR ABOVE NORMAL TEMPERATURES AND  
PRECIPITATION. THE LATEST ONE-MONTH OUTLOOK CALLS FOR EQUAL CHANCES  
FOR ABOVE OR BELOW NORMAL TEMPERATURES AND PRECIPITATION.  
 
HYDROLOGIC SUMMARY AND OUTLOOK...  
 
ACCORDING TO THE LATEST PROBABILISTIC HYDROLOGIC OUTLOOK ISSUED BY  
THE NATIONAL WEATHER SERVICE IN ABERDEEN, THERE IS GENERALLY A 20  
PERCENT OR LESS CHANCE FOR ANY OF THE RIVERS IN THE FORECAST AREA TO  
REACH FLOOD STAGE.  
 
NEXT ISSUANCE DATE...  
 
THIS PRODUCT WILL BE UPDATED AROUND SEPTEMBER 17TH, OR SOONER IF  
NECESSARY, IN RESPONSE TO SIGNIFICANT CHANGES IN CONDITIONS.  
 

 
 
RELATED WEB SITES...  
 
ADDITIONAL INFORMATION ON CURRENT DROUGHT CONDITIONS MAY BE FOUND AT  
THE FOLLOWING WEB ADDRESSES:  
 
US DROUGHT MONITOR...HTTP://DROUGHTMONITOR.UNL.EDU  
NATIONAL INTEGRATED DROUGHT INFORMATION SYSTEM...HTTP://WWW.DROUGHT.GOV  
NOAA DROUGHT PAGE...HTTP://WWW.CPC.NCEP.NOAA.GOV/PRODUCTS/DROUGHT  
HIGH PLAINS REGIONAL CLIMATE CENTER...HTTPS://HPRCC.UNL.EDU  
LOCAL WEATHER INFORMATION...HTTP://WWW.WEATHER.GOV/ABR  
USDA CROP INFORMATION...HTTP://WWW.NASS.USDA.GOV/INDEX.ASP  
SOUTH DAKOTA STATE CLIMATE OFFICE...HTTPS://CLIMATE.SDSTATE.EDU  
SDSU EXTENSION...HTTP://IGROW.ORG  
DROUGHT IMPACT REPORTER...HTTP://DROUGHTREPORTER.UNL.EDU/MAP  
 
ADDITIONAL RIVER INFORMATION...  
 
NATIONAL WEATHER SERVICE...HTTP://WATER.WEATHER.GOV  
US GEOLOGICAL SURVEY...HTTPS://WWW.USGS.GOV/WATER  
US ARMY CORPS OF ENGINEERS...HTTP://WWW.USACE.ARMY.MIL  
 
ACKNOWLEDGMENTS...  
 
THE DROUGHT MONITOR IS A MULTI-AGENCY EFFORT INVOLVING THE NATIONAL  
WEATHER SERVICE AND NATIONAL CENTERS FOR ENVIRONMENTAL INFORMATION,  
THE USDA, STATE AND REGIONAL CENTER CLIMATOLOGISTS AND THE NATIONAL  
DROUGHT MITIGATION CENTER. INFORMATION FOR THIS STATEMENT HAS BEEN  
GATHERED FROM NWS AND FAA OBSERVATION SITES, STATE COOPERATIVE  
EXTENSION SERVICES, THE USDA, USACE AND USGS.  
 
QUESTIONS OR COMMENTS...  
 
IF YOU HAVE QUESTIONS OR COMMENTS ABOUT THIS DROUGHT INFORMATION  
STATEMENT, PLEASE CONTACT:  
 
NATIONAL WEATHER SERVICE  
TRAVIS TARVER  
824 BROWN COUNTY 14S  
ABERDEEN SD 57401  
PHONE...605-225-0519  
TRAVIS.TARVER@NOAA.GOV  
 

 
TMT  
 
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