MORE HEAVY RAINS POSSIBLE TONIGHT THROUGH TUESDAY NIGHT... THUNDERSTORMS PRODUCED LOCALLY HEAVY RAINS OF 2 TO 5 INCHES OVER PORTIONS OF THE AREA SATURDAY NIGHT. THE PORTION OF THE AREA COVERED BY THESE HEAVY RAINS WAS RELATIVELY SMALL BUT THEY DID IMPACT RIVER LEVELS WHERE THEY FELL. THE GREATER PART OF THE AREA RECEIVED LESS THAN AN INCH OF RAIN SATURDAY NIGHT AND SOME AREAS REMAINED DRY. THUS SOILS ACROSS THE AREA VARY FROM QUITE WET TO RATHER DRY. THUNDERSTORMS ARE LIKELY TONIGHT THROUGH TUESDAY NIGHT FOR MUCH OF THE AREA. ANY STORMS DURING THIS PERIOD WILL BE CAPABLE OF PRODUCING HEAVY RAIN. IF HEAVY RAIN PRODUCING THUNDERSTORMS ARE SLOW MOVING AND TRACK OVER LOCATIONS THAT RECEIVED HEAVY RAIN SATURDAY NIGHT...EXCESS RUNOFF IS QUITE LIKELY ALONG WITH RISING WATER LEVELS IN CREEKS AND STREAMS. THE DRIER AREAS WILL TAKE ONE OR TWO ROUNDS OF THUNDERSTORMS BEFORE EXCESSIVE RUNOFF WOULD BEGIN TO OCCUR. A FEW ROUNDS OF THUNDERSTORMS ARE POSSIBLE FROM TONIGHT THROUGH TUESDAY NIGHT. IT IS UNCLEAR IF THE STORMS WILL REPEATEDLY TRACK OVER THE SAME AREA OR SHIFT LOCATION THROUGH THE PERIOD. IF IT BEGINS TO APPEAR THAN REPEATED ROUNDS OF HEAVY RAIN ARE LIKELY FOR CERTAIN PORTIONS OF THE AREA...OR THAT HEAVY RAINS WILL BE MORE WIDESPREAD...A FLOOD OR FLASH FLOOD WATCH MAY BE NEEDED FOR PARTS OR ALL OF THE AREA LATER TONIGHT INTO TUESDAY NIGHT. STAY TUNED TO LATER STATEMENTS AND FORECASTS CONCERNING THE THUNDERSTORM...HEAVY RAIN AND FLOODING POTENTIAL FOR TONIGHT THROUGH TUESDAY NIGHT
Monday, June 20, 2011
HYDROLOGIC OUTLOOK FROM THE NATIONAL WEATHER SERVICE IN LACROSSE
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