Weather for Rapid City, South Dakota
Lat: 44.08N, Lon: 103.23W
Wx Zone: SDZ026
South Dakota Drought MonitorThe South Dakota Drought monitor is a subset of the United States Monitor, issued every Thursday morning, based on drought conditions the previous Tuesday. The map below shows the current drought level around the state, and the percent of South Dakota land area in each drought level compared to the previous week. Read an explanation of the drought intensities and what they mean. |
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South Dakota Hydrologic Information StatementNote that if drought conditions are not being experienced, or in the case of river flooding or heavy rain, this statement may be used to indicate river flows or flood potential. 000 FGUS73 KUNR 270449 ESFUNR SDC055-063-085-093-103-105-123-137-211800- PROBABILISTIC HYDROLOGIC OUTLOOK NATIONAL WEATHER SERVICE RAPID CITY SD 949 PM MST FRI NOV 26 2010 ...ADVANCED HYDROLOGIC PREDICTION SERVICES (AHPS) ENABLE THE NATIONAL WEATHER SERVICE TO PROVIDE LONG-RANGE PROBABILISTIC RIVER OUTLOOKS... THIS OUTLOOK IS VALID FROM NOV 28 2010 - FEB 26 2011 THE FOLLOWING TABLE GIVES THE CHANCE OF REACHING DIFFERENT FLOOD LEVELS AT THE GAGES DURING THE VALID PERIOD. APPROXIMATE CHANCE OF FLOOD LEVELS (FT) REACHING FLOOD LEVELS LOCATION MINOR MODRT MAJOR MINOR MODRT MAJOR -------- ----- ----- ----- ----- ----- ----- LITTLE MISSOURI RIVER AT CAMP CROOK 12.0 17.0 19.0 < 10% < 10% < 10% MOREAU RIVER NEAR FAITH 16.0 18.0 21.0 < 10% < 10% < 10% BELLE FOURCHE RIVER AT WY/SD STATE LINE 15.0 16.0 18.0 < 10% < 10% < 10% BELLE FOURCHE RIVER NEAR STURGIS 20 NE 15.0 17.0 19.0 < 10% < 10% < 10% BELLE FOURCHE RIVER NEAR ELM SPRINGS 15.0 18.0 20.0 < 10% < 10% < 10% CHEYENNE RIVER AT WASTA 14.0 16.0 17.0 < 10% < 10% < 10% CHEYENNE RIVER NEAR PLAINVIEW 16.0 17.0 19.0 < 10% < 10% < 10% BAD RIVER AT MIDLAND 21.0 24.0 25.0 < 10% < 10% < 10% WHITE RIVER NEAR KADOKA 13.0 15.0 19.0 < 10% < 10% < 10% WHITE RIVER NEAR WHITE RIVER 14.0 15.0 17.0 < 10% < 10% < 10% WHITE RIVER NEAR OACOMA 15.0 20.0 25.0 < 10% < 10% < 10% IN THE TABLE BELOW...THE 90 THROUGH 10 PERCENT COLUMNS INDICATE THE CHANCE THE RIVER COULD RISE ABOVE THE LISTED STAGE LEVELS IN THE NEXT 90 DAYS. EXAMPLE: THE LITTLE MISSOURI RIVER AT CAMP CROOK HAS A FLOOD STAGE OF 12 FEET. THERE IS A 30 PERCENT CHANCE THE RIVER WILL RISE ABOVE 4.6 FEET IN THE NEXT 90 DAYS. LOCATION FS(FT) 90% 80% 70% 60% 50% 40% 30% 20% 10% ----------- ---- --- --- --- --- --- --- --- --- --- LITTLE MISSOURI RIVER AT CAMP CROOK 12.0 1.9 2.2 2.7 3.1 3.6 3.9 4.6 5.6 7.6 MOREAU RIVER NEAR FAITH 16.0 5.4 6.1 6.8 7.2 7.4 8.5 9.1 9.5 11.3 BELLE FOURCHE RIVER AT WY/SD STATE LINE 15.0 3.8 3.8 3.8 3.8 3.8 3.8 3.8 4.1 4.4 BELLE FOURCHE RIVER NEAR STURGIS 20 NE 15.0 3.0 3.0 3.2 3.9 4.1 4.2 4.5 5.0 5.7 BELLE FOURCHE RIVER NEAR ELM SPRINGS 15.0 0.5 0.5 0.5 1.1 1.2 1.3 1.5 1.8 2.4 CHEYENNE RIVER NEAR WASTA 14.0 0.9 0.9 0.9 0.9 0.9 0.9 1.0 1.3 1.7 CHEYENNE RIVER NEAR PLAINVIEW 16.0 8.9 8.9 8.9 9.2 9.4 9.4 9.7 10.1 10.8 BAD RIVER AT MIDLAND 21.0 3.8 3.8 4.0 4.5 5.0 5.2 5.5 5.9 6.6 WHITE RIVER NEAR KADOKA 13.0 1.9 2.1 2.3 3.0 3.3 3.7 3.9 4.2 4.6 WHITE RIVER NEAR WHITE RIVER 14.0 4.1 4.2 4.4 4.7 5.0 5.3 5.6 5.9 6.3 WHITE RIVER NEAR OACOMA 15.0 7.1 7.2 7.5 7.7 7.9 8.2 8.4 8.8 9.1 THIS LONG-RANGE PROBABILISTIC OUTLOOK CONTAINS FORECAST VALUES THAT ARE CALCULATED USING MULTIPLE SEASON SCENARIOS FROM 30 OR MORE YEARS OF CLIMATOLOGICAL DATA INCLUDING CURRENT CONDITIONS OF THE RIVER...SNOW COVER...AND SOIL MOISTURE...AND THE 30 TO 90 DAY LONG-RANGE OUTLOOKS OF TEMPERATURE AND PRECIPITATION. BY PROVIDING THE COMPLETE RANGE OF PROBABILITIES...THE LEVEL OF RISK ASSOCIATED WITH LONG-RANGE PLANNING DECISIONS CAN BE DETERMINED. THESE PROBABILISTIC FORECASTS ARE PART OF THE NATIONAL WEATHER SERVICE`S ADVANCED HYDROLOGIC PREDICTION SERVICES (AHPS). LONG-RANGE PROBABILISTIC OUTLOOKS WILL BE ISSUED TOWARD THE END OF THE MONTH THROUGHOUT THE YEAR. THE NEXT SCHEDULED OUTLOOK FOR THESE SITES WILL BE ISSUED TOWARD THE END OF DECEMBER. VISIT OUR WEB SITE AT WWW.WEATHER.GOV/RAPIDCITY FOR MORE WEATHER AND RIVER INFORMATION INCLUDING GRAPHS OF PROBABILISTIC RIVER OUTLOOKS. $$ |