More Hazardous Weather For Parts of Mid West

BENTON IA-BUCHANAN IA-BUREAU IL-CARROLL IL-CEDAR IA-CLARK MO-
CLINTON IA-DELAWARE IA-DES MOINES IA-DUBUQUE IA-HANCOCK IL-
HENDERSON IL-HENRY IA-HENRY IL-IOWA IA-JACKSON IA-JEFFERSON IA-
JO DAVIESS IL-JOHNSON IA-JONES IA-KEOKUK IA-LEE IA-LINN IA-LOUISA IA-
MCDONOUGH IL-MERCER IL-MUSCATINE IA-PUTNAM IL-ROCK ISLAND IL-
SCOTLAND MO-SCOTT IA-STEPHENSON IL-VAN BUREN IA-WARREN IL-
WASHINGTON IA-WHITESIDE IL-
500 AM CDT THU MAY 1 2008
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHWEST ILLINOIS...WEST CENTRAL ILLINOIS...EAST
CENTRAL IOWA...NORTHEAST IOWA...SOUTHEAST IOWA AND NORTHEAST
MISSOURI.
.DAY ONE...TODAY AND TONIGHT...
THUNDERSTORMS WILL BE POSSIBLE TODAY BUT ARE EXPECTED TO BECOME MORE
NUMEROUS TONIGHT. A FEW STORMS MAY PRODUCE MARGINALLY SEVERE HAIL
LATE TONIGHT.
THE MISSISSIPPI RIVER AND MOST TRIBUTARY RIVERS IN EASTERN IOWA AND
NORTHWEST ILLINOIS WILL REMAIN ABOVE FLOOD STAGE. FLOOD WARNINGS
REMAIN IN EFFECT FOR POINTS IN THE WAPSIPINICON...CEDAR...IOWA...
MISSISSIPPI RIVER...PECATONICA...AND ROCK RIVER BASINS.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
ONE OR POSSIBLY TWO THUNDERSTORM COMPLEXES WILL MOVE ACROSS THE AREA
FRIDAY INTO FRIDAY EVENING PRODUCING MODERATE RAINFALL. HEAVY
RAINFALL STILL APPEARS POSSIBLE BUT SHOULD BE MAINLY ALONG AND
NORTH OF THE HIGHWAY 20 CORRIDOR. SOME OF THE THUNDERSTORMS ON FRIDAY
MAY PRODUCE MARGINALLY SEVERE HAIL.
AREA RIVERS ARE ALREADY HIGH OR IN FLOOD FROM THE HEAVY RAIN
LAST WEEK. THIS NEW ROUND OF RAIN WILL SLOW DOWN THE RATE OF FALL ON
AREA RIVERS. IT IS POSSIBLE THAT SOME TRIBUTARY RIVERS MAY STOP
FALLING AND START CLIMBING AGAIN.
THE MISSISSIPPI RIVER AND MOST TRIBUTARY RIVERS IN EASTERN IOWA AND
NORTHWEST ILLINOIS WILL REMAIN ABOVE FLOOD STAGE. FLOOD WARNINGS
REMAIN IN EFFECT FOR POINTS IN THE WAPSIPINICON...CEDAR...IOWA...
MISSISSIPPI RIVER...PECATONICA...AND ROCK RIVER BASINS.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT.
ADAMS-ALLAMAKEE-BUFFALO-CHICKASAW-CLARK-CLAYTON-CRAWFORD-DODGE-
FAYETTE-FILLMORE-FLOYD-GRANT-HOUSTON-HOWARD-JACKSON-JUNEAU-
LA CROSSE-MITCHELL-MONROE-MOWER-OLMSTED-RICHLAND-TAYLOR-TREMPEALEAU-
VERNON-WABASHA-WINNESHIEK-WINONA-
515 AM CDT THU MAY 1 2008
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PARTS OF SOUTHEAST
MINNESOTA...NORTHEAST IOWA AND SOUTHWEST INTO CENTRAL WISCONSIN.
.DAY ONE...TODAY AND TONIGHT
AS LOW PRESSURE MOVES SLOWLY NORTHEAST FROM THE CENTRAL PLAINS...
IT SHOULD TRIGGER SOME THUNDERSTORMS TONIGHT. THESE STORMS ARE NOT
EXPECTED TO BE SEVERE...AS IT APPEARS THE HIGHEST POTENTIAL FOR
ORGANIZED SEVERE STORMS WILL BE SOUTHWEST OF THE AREA.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
OCCASIONAL THUNDERSTORMS ARE EXPECTED ACROSS THE AREA FRIDAY INTO
FRIDAY EVENING...AS LOW PRESSURE CONTINUES MOVING SLOWLY NORTHEAST
INTO THE LOWER GREAT LAKES. THERE IS THE POTENTIAL FOR A FEW SEVERE
STORMS FRIDAY AFTERNOON ACROSS PARTS OF NORTHEAST IOWA AND SOUTHWEST
WISCONSIN. THIS WOULD GENERALLY BE ALONG AND SOUTH OF A LINE FROM THE
MINNESOTA-IOWA BORDER TOWARD WISCONSIN DELLS. DAMAGING WINDS AND
LARGE HAIL SHOULD BE THE PRIMARY THREAT.
IN ADDITION TO THE THUNDERSTORMS...THERE WILL BE THE POTENTIAL FOR
ANOTHER ROUND OF SIGNIFICANT RAINS ON FRIDAY. THIS MAY LEAD TO
RENEWED RISES ON STREAMS AND RIVERS AND THE THREAT OF FLOODING.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE NEEDED FRIDAY AFTERNOON ACROSS PARTS OF
SOUTHWEST WISCONSIN AND NORTHEAST IOWA. REPORTS OF RAINFALL AND RIVER
LEVELS WOULD ALSO BE APPRECIATED TONIGHT THROUGH SATURDAY.
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-
532 AM CDT THU MAY 01 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 ARE POSSIBLE ACROSS THE AREA
TODAY...HOWEVER DUE TO A STRONG INVERSION ALOFT...ANY STORMS
THROUGH THE DAYTIME HOURS SHOULD NOT BE SEVERE. THERE IS A BETTER
CHANCE OF THUNDERSTORMS SOUTHEAST OF A LINE FROM VERMILLION SOUTH
DAKOTA TO SIOUX RAPIDS IOWA THIS EVENING. AS THE MID LEVELS COOL
IN THIS AREA...THERE COULD BE ISOLATED STORMS WHICH PRODUCE UP TO
NICKEL SIZE HAIL DURING THE EARLY EVENING.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
SCATTERED THUNDERSTORMS COULD LINGER INTO FRIDAY MORNING ACROSS
PARTS OF SOUTHWEST MINNESOTA AND NORTHWEST IOWA. HOWEVER SEVERE
STORMS ARE NOT EXPECTED.
THERE IS A CHANCE THAT SOME LIGHT SNOW COULD MIX WITH RAIN ACROSS
THE AREA...EXPANDING FROM WEST TO EAST LATE FRIDAY INTO FRIDAY
NIGHT AS COLDER AIR ALOFT SPREADS INTO THE AREA. AT THIS TIME ANY
SNOW ACCUMULATIONS ARE EXPECTED TO BE MINIMAL...GENERALLY AROUND
AN HALF INCH OR LESS...HIGHER ELEVATIONS AROUND GREGORY COUNTY IN
SOUTH CENTRAL SOUTH DAKOTA COULD SEE AN INCH OR TWO IF THE SNOW
BEGINS EARLY ENOUGH FRIDAY AFTERNOON.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL BE POSSIBLE BETWEEN 7 PM AND 11 PM SOUTH
OF A LINE FROM VERMILLION SOUTH DAKOTA TO SIOUX RAPIDS IOWA.
MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-
PAGE-KNOX-CEDAR-THURSTON-ANTELOPE-PIERCE-WAYNE-BOONE-MADISON-
STANTON-CUMING-BURT-PLATTE-COLFAX-DODGE-WASHINGTON-BUTLER-
SAUNDERS-DOUGLAS-SARPY-SEWARD-LANCASTER-CASS-OTOE-SALINE-
JEFFERSON-GAGE-JOHNSON-NEMAHA-PAWNEE-RICHARDSON-
543 AM CDT THU MAY 1 2008
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST
IOWA...WEST CENTRAL IOWA...EAST CENTRAL NEBRASKA...NORTHEAST
NEBRASKA AND SOUTHEAST NEBRASKA.
.DAY ONE...TODAY AND TONIGHT
SEVERE THUNDERSTORMS...WITH LARGE HAIL...DAMAGING WINDS...AND
ISOLATED TORNADOES WILL BE POSSIBLE LATE THIS AFTERNOON...AND MORE
LIKELY TONIGHT OVER PARTS OF EASTERN NEBRASKA AND SOUTHWEST IOWA.
SURFACE LOW PRESSURE OVER NORTH CENTRAL KANSAS AND SOUTH CENTRAL
NEBRASKA SHOULD LIFT INTO NORTHEAST NEBRASKA AND WEAKEN
TODAY...MEANWHILE A WARM FRONT OVER NORTHERN KANSAS SHOULD BE
PULLED NORTHWARD. THIS AREA OF LOW PRESSURE AND THE WARM FRONT MAY
PROVIDE A FOCUS FOR THUNDERSTORMS...HOWEVER WARM AIR ALOFT IS
EXPECTED TO INHIBIT ORGANIZED THUNDERSTORM DEVELOPMENT TODAY.
TONIGHT...THE MAIN STORM SYSTEM...IN ADDITION SURFACE LOW PRESSURE
WHICH HAS RE-DEVELOPED OVER SOUTHEAST NEBRASKA WILL PROVIDE
ANOTHER FOCUS FOR MORE ORGANIZED SEVERE THUNDERSTORM DEVELOPMENT.
PERSONS IN EASTERN NEBRASKA AND SOUTHWEST IOWA SHOULD BE ALERT TO
THIS COMPLEX WEATHER SITUATION AND REVIEW SUBSEQUENT OUTLOOKS FOR
UPDATES IN FRONTAL PLACEMENT/TIMING AND POTENTIAL FOR SEVERE WEATHER.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
ISOLATED NON-SEVERE THUNDERSTORMS MAY LINGER INTO FRIDAY MORNING.
ANOTHER STORM SYSTEM WITH THUNDERSTORMS SHOULD MOVE INTO THE
PLAINS NEXT WEDNESDAY.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE REQUIRED LATE THIS AFTERNOON AND WILL
MORE LIKELY BE NEEDED TONIGHT.
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-WEBSTER-
HAMILTON-HARDIN-GRUNDY-BLACK HAWK-MARSHALL-TAMA-
618 AM CDT THU MAY 1 2008
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND
NORTHERN IOWA...NORTH OF A LINE FROM POCAHONTAS...TO WEBSTER
CITY...TO TAMA.
.DAY ONE...TODAY AND TONIGHT
A RIVER FLOOD WARNING REMAINS IN EFFECT FOR THE WEST FORK OF THE
CEDAR RIVER AT FINCHFORD. PLEASE REFER TO THE NATIONAL WEATHER SERVICE
WEBSITE AT WEATHER.GOV/DESMOINES FOR FURTHER DETAILS.
SCATTERED THUNDERSTORMS ARE EXPECTED TONIGHT. ISOLATED SEVERE
WEATHER IS POSSIBLE...WITH LARGE HAIL AND STRAIGHT LINE WINDS THE
MAIN THREATS. ISOLATED FLASH FLOODING CANNOT BE RULED OUT...IF
HEAVY RAIN DEVELOPS ACROSS AREAS WHERE THE GROUND IS SATURATED
FROM RECENT HEAVY RAIN.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
SHOWERS AND THUNDERSTORMS WILL CONTINUE FRIDAY...ESPECIALLY DURING
THE DAY TIME HOURS. TOTAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE
POSSIBLE THROUGH FRIDAY NIGHT...WITH LOCALIZED HIGHER AMOUNTS.
ADDITIONAL FLASH FLOODING IS POSSIBLE. RENEWED RIVER FLOODING
COULD ALSO OCCUR INTO NEXT WEEK IN RESPONSE TO THE HEAVY RAINFALL.
ISOLATED SEVERE STORMS ARE POSSIBLE...MAINLY ALONG AND EAST OF
INTERSTATE 35. IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...AN
ISOLATED TORNADO WILL BE POSSIBLE.
SAC-CALHOUN-CRAWFORD-CARROLL-GREENE-BOONE-STORY-AUDUBON-GUTHRIE-
DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-
MAHASKA-ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-
DECATUR-WAYNE-APPANOOSE-DAVIS-
618 AM CDT THU MAY 1 2008
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND
SOUTHERN IOWA...SOUTH OF A LINE FROM POCAHONTAS...TO WEBSTER
CITY...TO TAMA.
.DAY ONE...TODAY AND TONIGHT
SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED TONIGHT.
SEVERE WEATHER IS POSSIBLE...WITH LARGE HAIL AND STRAIGHT LINE
WINDS THE MAIN THREATS. ISOLATED FLASH FLOODING IS NOT
LIKELY...BUT CANNOT BE RULED OUT.
.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY
SHOWERS AND THUNDERSTORMS WILL CONTINUE FRIDAY...ESPECIALLY DURING
THE DAY TIME HOURS. SEVERE STORMS WILL AGAIN BE POSSIBLE...MAINLY
ALONG AND EAST OF INTERSTATE 35. IN ADDITION TO LARGE HAIL AND
DAMAGING WINDS...AN ISOLATED TORNADO IS POSSIBLE.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE NEEDED TONIGHT...AND AGAIN ON FRIDAY
FROM LATE MORNING THROUGH THE AFTERNOON HOURS.
KINNEY