218 AM CDT MON MAY 27 2013

…A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 AM CDT FOR EASTERN MONONA…HARRISON…WESTERN POTTAWATTAMIE…EASTERN WASHINGTON…EXTREME NORTHEASTERN SARPY AND DOUGLAS COUNTIES… AT 215 AM CDT…A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A LINE EXTENDING FROM 7 MILES SOUTHEAST OF SMITHLAND TO PISGAH TO MILLARD…MOVING EAST AT 35 MPH. HAZARD…60 MPH WIND GUSTS. SOURCE…RADAR INDICATED. IMPACT…EXPECT DAMAGE TO ROOFS…SIDING AND TREES. LOCATIONS IMPACTED INCLUDE…OMAHA…COUNCIL BLUFFS…LA VISTA…MILLARD…BLAIR…RALSTON… ELKHORN…MISSOURI VALLEY…LOGAN…FORT CALHOUN…MONDAMIN…UTE…PISGAH…MODALE…MOORHEAD…CHALCO…CARTER LAKE…WOODBINE…MAPLETON AND BENNINGTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING. TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS…AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

743 PM CDT SUN MAY 26 2013

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A  SMALL STREAM FLOOD ADVISORY FOR CENTRAL MONTGOMERY COUNTY IN SOUTHWEST IOWA UNTIL 1045 PM CDT.

* AT 740 PM CDT…DOPPLER RADAR INDICATED HEAVY RAIN DUE TO THUNDERSTORMS. THIS WILL CAUSE SMALL STREAM FLOODING IN THE ADVISORY AREA. UP TO 3 INCHES OF RAIN HAS FALLEN IN THE PAST HOUR. * SOME LOCATIONS THAT WILL EXPERIENCE MINOR FLOODING INCLUDE VILLISCA…STANTON…ELLIOTT AND GRANT.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS…AS WELL AS FARM AND COUNTRY ROADS. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES.

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
718 PM CDT SUN MAY 26 2013

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL MONTGOMERY COUNTY IN SOUTHWEST IOWA...

* UNTIL 745 PM CDT

* AT 717 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ELLIOTT...OR
  47 MILES NORTH OF TARKIO...MOVING EAST AT 15 MPH.

HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.

SOURCE...RADAR INDICATED.

IMPACT...HAIL DAMAGE TO VEHICLES AND CROPS IS EXPECTED. EXPECT WIND
DAMAGE TO ROOFS...SIDING AND TREES.

* LOCATIONS IMPACTED INCLUDE...
  STANTON...ELLIOTT AND GRANT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

COUNTIES: SAC-CRAWFORD- CARROLL-GREENE

THE FLASH FLOOD WATCH IS NOW IN EFFECT  UNTIL 1 PM CDT THIS AFTERNOON. THUNDERSTORMS CAPABLE OF PRODUCING HEAVY RAIN ARE FORECAST TO CONTINUE THIS MORNING…ESPECIALLY NORTH AND EAST OF DES MOINES. AN ADDITIONAL INCH OR TWO OF RAIN IS POSSIBLE THROUGH 1 PM.

Hail ranging in size from nickels to quarters pelted and pounded parts of Audubon County late Saturday night. Just before 11-p.m., one-inch diameter hail was reported to the National Weather Service by law enforcement in Audubon. About 30-minutes later, severe storm spotters reported nickel-to pea-sized hail was falling 10 miles northwest of the Audubon Airport. There were no immediate reports of damage early this (Sunday) morning.

A severe thunderstorm warning was issued late last night for northern Audubon County, southern Carroll County and northwestern Guthrie County, for the storm system as it passed through the area.

The storm also dumped heavy rain in parts of Iowa. Parts of Jasper, Marshall and Poweshiek Counties in east central Iowa received four-to six-inches of rain overnight, causing some roads to be flooded. The Weather Service said a total of six-to eight-inches of rain was possible in eastern Iowa through early this morning. A Flood Warning was in effect for Jasper, Marshall and Poweeshiek counties this morning.

At around 5:30-a.m., storm spotters reported sand bagging efforts were underway to protect the Kellogg water treatment plant and fire department. 4-a.m., law enforcement officials in Jasper County reported water was covering the road at Illinois Avenue and Highway 6, near Kellogg. Parts of Northfield Drive were under water, with one house surrounding by water. Law enforcement reported also that flooding was occurring in the Oakland Acres area of Jasper County, with Highway 6 under water, and closed with stalled cars.

For the KJAN listening area, a Flash Flood Watch remains in effect until 9-a.m. The Watch includes Audubon, Guthrie, Crawford, Carroll, Sac and Dallas Counties.

(Updated 445 AM CDT SUN MAY 26 2013)

EARLY THIS MORNING…MOSTLY CLOUDY WITH SCATTERED THUNDERSTORMS. SOUTHEAST WIND 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE OF THUNDERSTORMS 30 PERCENT.

TODAY…CLOUDY. ISOLATED THUNDERSTORMS THROUGH MID MORNING. ISOLATED THUNDERSTORMS IN THE AFTERNOON. HIGH IN THE MID 70S. SOUTHEAST WIND 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE OF THUNDERSTORMS 20 PERCENT.

TONIGHT…A CHANCE OF THUNDERSTORMS IN THE EVENING…THEN THUNDERSTORMS LIKELY OVERNIGHT. RAIN LIKELY AFTER MIDNIGHT. RAIN MAY BE HEAVY AT TIMES AFTER MIDNIGHT. LOW IN THE LOWER 60S. SOUTHEAST WIND 10 TO 15 MPH. CHANCE OF PRECIPITATION 60 PERCENT.

MEMORIAL DAY…MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF THUNDERSTORMS. HIGH IN THE UPPER 70S. SOUTH WIND 10 TO 15 MPH.

MONDAY NIGHT...THUNDERSTORMS LIKELY. LOW IN THE MID 60S. SOUTH WIND 10 TO 15 MPH. CHANCE OF THUNDERSTORMS 60 PERCENT.

TUESDAY…PARTLY SUNNY WITH A 20 PERCENT CHANCE OF THUNDERSTORMS. HIGH IN THE LOWER 80S. SOUTH WIND 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.

TUESDAY NIGHT…MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF THUNDERSTORMS. LOW IN THE UPPER 60S.

WEDNESDAY…MOSTLY CLOUDY WITH A 40 PERCENT CHANCE OF THUNDERSTORMS. BREEZY. HIGH AROUND 80.

WEDNESDAY NIGHT…MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF THUNDERSTORMS. BREEZY. LOW IN THE MID 60S.

THURSDAY…THUNDERSTORMS LIKELY. BREEZY. HIGH IN THE UPPER 70S.

AREA COUNTIES:SAC-CRAWFORD-CARROLL-AUDUBON-GUTHRIE-DALLAS-

354 AM CDT SUN MAY 26 2013

…A FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING…

THUNDERSTORMS CAPABLE OF PRODUCING HEAVY RAIN ARE FORECAST TO CONTINUE THIS MORNING…ESPECIALLY NORTH AND EAST OF DES MOINES. WIDESPREAD ONE TO TWO INCHES OF RAIN ARE FORECAST WITH ISOLATED AMOUNTS OF 6 TO 8 INCHES POSSIBLE. AREAS WHICH HAD HEAVY RAIN SATURDAY MORNING ARE THE MOST VULNERABLE FOR FLASH FLOODING. ADDITIONAL HEAVY RAINFALL ON SATURATED SOILS WOULD CAUSE FLASH FLOODING. BEING A HOLIDAY WEEKEND…PEOPLE CAMPING SHOULD USE CAUTION AND AVOID CAMPING IN FLOOD PRONE AREAS.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED.

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A FLASH FLOOD WATCH FROM MIDNIGHT CDT TONIGHT (SATURDAY)THROUGH SUNDAY MORNING…..AREA COUNTIES INCLUDED IN THE WATCH:  SAC-CRAWFORD- CARROLL-GREENE-AUDUBON-GUTHRIE-DALLAS…

..HEAVY RAINFALL IS POSSIBLE AGAIN TONIGHT… .THUNDERSTORMS ARE FORECAST TO DEVELOP OVER THE PLAINS THIS  EVENING AND THEN MOVE INTO CENTRAL IOWA TONIGHT. THE THUNDERSTORMS  SHOULD BE CAPABLE OF PRODUCING HEAVY RAIN OVER AREAS WHICH HAD  HEAVY RAIN EARLY SATURDAY MORNING.

* WIDESPREAD THUNDERSTORMS CAPABLE OF PRODUCING HEAVY RAIN ARE FORECAST TONIGHT INTO SUNDAY MORNING IN THE WATCH AREA. WIDESPREAD ONE TO TWO INCHES OF RAIN IS FORECAST AND ISOLATED  AMOUNTS OF UP TO FOUR INCHES ARE POSSIBLE. 
 
* AREAS WHICH HAD HEAVY RAIN SATURDAY MORNING ARE THE MOST  VULNERABLE FOR FLASH FLOODING. ADDITIONAL HEAVY RAINFALL ON  SATURATED SOILS WOULD CAUSE FLASH FLOODING. BEING A HOLIDAY  WEEKEND…PEOPLE CAMPING SHOULD USE CAUTION AND AVOID CAMPING IN FLOOD PRONE AREAS.
 
 PRECAUTIONARY/PREPAREDNESS ACTIONS…
 
A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED.

 AUDUBON-CARROLL-GREENE-COUNTIES 
 …THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL AND SOME  HAIL…
 
 AT 517 AM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
 STRONG THUNDERSTORM OVER SOUTH CENTRAL CARROLL COUNTY…MOVING EAST
 AT 30 MPH.
 
 PENNY SIZE HAIL…WINDS GREATER THAN 30 MPH…HEAVY DOWNPOURS…ARE
 POSSIBLE WITH THIS STORM.
 
 LOCATIONS IMPACTED INCLUDE…
   WILLEY…             CARROLL AIRPORT…    COON RAPIDS…
   GLIDDEN…            SCRANTON…           RALSTON…
 
 
 GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW
 AROUND. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS
 PASSED.

The National Weather Service in Des Moines says a wet and stormy Memorial Day Weekend is on tap for the area as showers and thunderstorms remain in the forecast from today into next week. The best potential for thunderstorms will be during the nighttime and early morning hours each day, although storms are possible at other times as well. The threat for widespread severe weather is low, but a few severe storms with large hail and damaging winds cannot be ruled out.

Of greater concern is the potential for heavy rainfall, with widespread one to two inch accumulations expected by Monday with locally higher amounts possible. This may lead to additional river flooding and possibly flash flooding in some areas.