One product issued by NWS for:
Hazardous Weather Outlook
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SIOUX FALLS SD 828 PM CDT SAT MAY 18 2013 SDZ038>040-050-052>071-MNZ071-072-080-081-089-090-097-098- IAZ001>003-012>014-020>022-031-032-NEZ013-014-191200- AURORA-BEADLE-BON HOMME-BROOKINGS-BRULE-BUENA VISTA IA- CHARLES MIX-CHEROKEE IA-CLAY-CLAY IA-COTTONWOOD MN-DAKOTA NE- DAVISON-DICKINSON IA-DIXON NE-DOUGLAS-GREGORY-HANSON-HUTCHINSON- IDA IA-JACKSON MN-JERAULD-KINGSBURY-LAKE-LINCOLN-LINCOLN MN- LYON IA-LYON MN-MCCOOK-MINER-MINNEHAHA-MOODY-MURRAY MN-NOBLES MN- OBRIEN IA-OSCEOLA IA-PIPESTONE MN-PLYMOUTH IA-ROCK MN-SANBORN- SIOUX IA-TURNER-UNION-WOODBURY IA-YANKTON- 828 PM CDT SAT MAY 18 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST SOUTH DAKOTA... SOUTHWEST MINNESOTA...NORTHWEST IOWA...AND NORTHEAST NEBRASKA. .DAY ONE...TODAY AND TONIGHT THUNDERSTORMS... PRIOR TO 10 PM...AN ISOLATED THUNDERSTORM IS POSSIBLE IN SOUTH CENTRAL SOUTH DAKOTA. HAIL UP TO HALF DOLLAR SIZE IS POSSIBLE WITH THESE STORMS. AFTER 10 PM...MORE NUMEROUS THUNDERSTORMS WILL MOVE INTO SOUTHEAST SOUTH DAKOTA AND FAR NORTHEAST NEBRASKA. THIS LINE OF STORMS WILL CONTINUE TO MOVE NORTHEAST REACHING INTERSTATES 90 AND 29 BETWEEN MIDNIGHT AND 2 AM...AND HIGHWAY 71 AFTER 4 AM. SOUTH OF INTERSTATE 90 AND WEST OF INTERSTATE 29...HAIL UP TO 1.5 INCHES AND WIND GUSTS UP TO 70 MPH WILL BE POSSIBLE. NORTH OF I90 AND EAST OF I29...THE STORMS ARE EXPECTED TO SLOWLY WEAKEN AND THE THREAT OF SEVERE WEATHER WILL BEGIN TO DECREASE. QUARTER SIZE HAIL AND WIND GUSTS TO 60 MPH WILL BE POSSIBLE THROUGH 4 AM. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY A FEW THUNDERSTORMS MAY LINGER IN PORTIONS OF SOUTHWEST MINNESOTA EARLY SUNDAY MORNING BUT THESE STORMS ARE NOT EXPECTED TO BE SEVERE. THUNDERSTORMS ARE THEN EXPECTED TO REDEVELOP SUNDAY AFTERNOON OVER EASTERN NEBRASKA AND MOVE NORTHEAST. SOME OF THESE STORMS MAY BE SEVERE WITH THE GREATEST THREAT FOR SEVERE WEATHER SOUTHEAST OF A LINE FROM VERMILLION SOUTH DAKOTA TO WINDOM MINNESOTA. LARGE HAIL UP TO GOLF BALL SIZE AND DAMAGING WINDS TO 70 MPH WILL BE POSSIBLE WITH THESE STORMS ON SUNDAY AFTERNOON. THERE IS ALSO A SMALL CHANCE OF AN ISOLATED TORNADO OVER PORTIONS OF NORTHWEST IOWA. ACROSS THE REMAINDER OF SOUTHEAST SOUTH DAKOTA AND SOUTHWEST MINNESOTA...ISOLATED SEVERE THUNDERSTORMS WILL BE POSSIBLE SUNDAY AFTERNOON WITH HAIL UP TO HALF DOLLAR SIZE AND WIND GUSTS TO 60 MPH. THE CHANCE OF THUNDERSTORMS WILL CONTINUE ACROSS THE AREA ON MONDAY...ESPECIALLY DURING THE AFTERNOON AND EARLY EVENING. WHILE SEVERE STORMS PRODUCING DAMAGING WIND AND HAIL ARE NOT EXPECTED... THERE MAY BE A LOW END THREAT FOR A WEAK TORNADO SPIN UP OR FUNNEL CLOUD. THIS THREAT MAY CONTINUE TUESDAY AFTERNOON ACROSS PARTS OF NORTHWEST IOWA AND SOUTHWEST MINNESOTA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL BE POSSIBLE AFTER 10 PM. && FOR MORE INFORMATION PLEASE VISIT OUR WEBSITE AT WWW.WEATHER.GOV/SIOUXFALLS. THIS INCLUDES THE GRAPHICAL HAZARDOUS WEATHER OUTLOOK. $$ SCHUMACHER