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Lawrenceville Weather

Weather for Rapid City, South Dakota

Lat: 44.08N, Lon: 103.23W
Wx Zone: SDZ026

South Dakota Drought Monitor

The 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.

South Dakota Drought Monitor

South Dakota Hydrologic Information Statement

Note 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.

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