HAZARDOUS WEATHER OUTLOOK Issue Date: 503 AM CDT SAT OCT 11 2008Expiration: 700 AM CDT SUN OCT 12 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA... SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS... ISOLATED THUNDERSTORMS WILL BE POSSIBLE FROM LATE AFTERNOON THROUGH TONIGHT...MAINLY WEST OF A WINDOM TO SIOUX CITY LINE. THESE STORMS WILL NOT BE SEVERE. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY ELEVATED INSTABILITY WILL CONTINUE ACROSS THE AREA SUNDAY INTO SUNDAY NIGHT. THIS WILL LIKELY HELP TO SPARK PERIODIC CHANCES FOR THUNDERSTORMS. SEVERE STORMS ARE NOT EXPECTED...HOWEVER...THE STRONG GRADIENT WINDS ON SUNDAY MAY YIELD A FEW STORMS WITH GUSTY WINDS TO AROUND 50 MPH. THE MOST PREVALENT THUNDERSTORM ACTIVITY WILL LIKELY BE ON SUNDAY AND SUNDAY EVENING...ALONG AND EAST OF A TYNDALL SOUTH DAKOTA TO DE SMET SOUTH DAKOTA LINE. THE MAIN THREAT WITH THESE STORMS AS THE BAND MOVES SLOWLY EASTWARD WILL BE FOR AREAS OF HEAVY RAINFALL...WITH ONE TO TWO INCHES RAINFALL ON AVERAGE EXPECTED ACROSS MUCH OF SOUTHEAST SOUTH DAKOTA...AND AN INCH AND A HALF TO TWO AND A HALF INCHES RAINFALL POSSIBLE FROM MUCH OF SOUTHWEST MINNESOTA THROUGH NORTHWEST IOWA AND NORTHEAST NEBRASKA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. && FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WWW.WEATHER.GOV/SIOUXFALLS. THIS INCLUDES THE GRAPHICAL HAZARDOUS WEATHER OUTLOOK.
THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA... SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS... ISOLATED THUNDERSTORMS WILL BE POSSIBLE FROM LATE AFTERNOON THROUGH TONIGHT...MAINLY WEST OF A WINDOM TO SIOUX CITY LINE. THESE STORMS WILL NOT BE SEVERE. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY ELEVATED INSTABILITY WILL CONTINUE ACROSS THE AREA SUNDAY INTO SUNDAY NIGHT. THIS WILL LIKELY HELP TO SPARK PERIODIC CHANCES FOR THUNDERSTORMS. SEVERE STORMS ARE NOT EXPECTED...HOWEVER...THE STRONG GRADIENT WINDS ON SUNDAY MAY YIELD A FEW STORMS WITH GUSTY WINDS TO AROUND 50 MPH. THE MOST PREVALENT THUNDERSTORM ACTIVITY WILL LIKELY BE ON SUNDAY AND SUNDAY EVENING...ALONG AND EAST OF A TYNDALL SOUTH DAKOTA TO DE SMET SOUTH DAKOTA LINE. THE MAIN THREAT WITH THESE STORMS AS THE BAND MOVES SLOWLY EASTWARD WILL BE FOR AREAS OF HEAVY RAINFALL...WITH ONE TO TWO INCHES RAINFALL ON AVERAGE EXPECTED ACROSS MUCH OF SOUTHEAST SOUTH DAKOTA...AND AN INCH AND A HALF TO TWO AND A HALF INCHES RAINFALL POSSIBLE FROM MUCH OF SOUTHWEST MINNESOTA THROUGH NORTHWEST IOWA AND NORTHEAST NEBRASKA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY AND TONIGHT. && FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WWW.WEATHER.GOV/SIOUXFALLS. THIS INCLUDES THE GRAPHICAL HAZARDOUS WEATHER OUTLOOK.
