2009 Spring Flood Outlook Issued

...THE NEW LONG RANGE FLOOD OUTLOOKS HAVE BEEN ISSUED...

...SIGNIFICANT SPRING FLOODING EXPECTED ACROSS THE RED RIVER VALLEY...

PROBABILITIES INDICATE THAT A MAJORITY OF THE RIVER FORECAST POINTS ARE EXPECTED TO EXPERIENCE MODERATE TO MAJOR FLOODING. FOR EXAMPLE...THE RED RIVER AT FARGO HAS A 98% CHANCE OF REACHING MAJOR FLOOD STAGE. THE RED RIVER AT WAHPETON HAS A 98% CHANCE OF REACHING MODERATE FLOOD STAGE...AND A 67% CHANCE OF REACHING MAJOR FLOOD STAGE. THE RED RIVER AT GRAND FORKS HAS A 98% CHANCE OF REACHING MODERATE FLOOD STAGE...AND A 72% CHANCE OF REACHING MAJOR FLOOD STAGE.

THIS MONTHS LONG-RANGE OUTLOOKS ARE COVERING THE TIME PERIOD FROM MARCH 1ST THROUGH JUNE 1ST...2009. REMEMBER THAT THESE OUTLOOKS ARE FOR PLANNING PURPOSES AND GIVE THE PROBABILITY OF THE RIVER EXCEEDING VARIOUS STAGES BASED ON CURRENT CONDITIONS AND 50 YEARS OF PAST PRECIPITATION AND TEMPERATURES THAT OCCURRED DURING THE VALID PERIOD COVERED BY THIS OUTLOOK.

SNOW WATER EQUIVALENTS OF 5 TO 6 INCHES ARE IN THE HEADWATERS OF THE SHEYENNE AND MAPLE RIVERS AS WELL AS THOSE OF THE WESTERN WILD RICE RIVER IN NORTH DAKOTA. ELSEWHERE, 3 TO 5 INCHES OF SNOW WATER EQUIVALENTS ARE PREVALENT EXCEPT FOR THE RED RIVER VALLEY PROPER NORTH OF HILLSBORO NORTH DAKOTA. 

Click here to view a map of forecast points, then click a point (green dot) for the current river stage graph. Next, click on the top right tab "Chance of Exceeding Levels During Entire Period".  This will display the current flood outlook probabilities.  The text products for the flood outlook are located here (You can also look at previous versions by clicking the appropriate link near the top of the webpage).             



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