FLOOD WATCH NATIONAL WEATHER SERVICE DES MOINES IA 1025 PM CDT SAT APR 14 2012

…ADDITIONAL HEAVY RAINFALL POSSIBLE OVERNIGHT…

ADDITIONAL THUNDERSTORMS WITH HEAVY RAINFALL ARE POSSIBLE AGAIN OVERNIGHT. A WARM FRONT WILL LIFT NORTHWARD ACROSS SOUTHERN PORTIONS OF IOWA OVERNIGHT…HELPING TO PROVIDE A FOCUS FOR ADDITIONAL THUNDERSTORM DEVELOPMENT. MORE THUNDERSTORMS TO THE WEST OF IOWA

COUNTIES: AUDUBON-GUTHRIE-DALLAS-POLK-CASS-ADAIR-MADISON-WARREN-ADAMS-UNION-CLARKE-TAYLOR-RINGGOLD

…FLASH FLOOD WATCH IN EFFECT UNTIL 10 AM CDT SUNDAY…

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A FLASH FLOOD WATCH FOR PORTIONS OF CENTRAL IOWA…SOUTH CENTRAL IOWA…SOUTHWEST IOWA AND WEST CENTRAL IOWA…UNTIL 10 AM CDT SUNDAY

ADDITIONAL THUNDERSTORMS WITH HEAVY RAIN ARE POSSIBLE OVERNIGHT. THE GROUND IS STILL RECOVERING FROM THE HEAVY RAINFALL EARLIER THIS AFTERNOON AND EVENING. ANY ADDITIONAL HEAVY RAINFALL MAY PRODUCE FLASH FLOODING. THE THE AREAS WHICH RECEIVED HEAVY RAIN EARLIER THIS AFTERNOON AND EVENING ARE OF MOST CONCERN.

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.

NWS STORM PREDICTION CENTER NORMAN OK 1010 PM CDT SAT APR 14 2012

SEVERE THUNDERSTORM WATCH 173 IS IN EFFECT UNTIL 500 AM CDT

FOR THE FOLLOWING  IOWA COUNTIES:: FREMONT HARRISON MILLS MONONA MONTGOMERY PAGE POTTAWATTAMIE SHELBY WOODBURY.

HAIL TO 1.5 INCHES IN DIAMETER…THUNDERSTORM WIND GUSTS TO 70 MPH…AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 45 MILES WEST OF NORFOLK NEBRASKA TO 40 MILES EAST OF OMAHA NEBRASKA. F

REMEMBER…A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES.

IN ADDITION, TORNADO WATCH #169 REMAINS IN EFFECT UNTIL 12-AM CDT FOR THE FOLLOWING COUNTIES IN THE KJAN LISTENING AREA: ADAIR- ADAMS-AUDUBON-CASS-GUTHRIE-MADISON-RINGGOLD-TAYLOR-UNION.

Whirlpool in front of Nishna Valley Credit Union, 2nd & Elm Sts.

3rd and Elm Streets, looking north

Detention pond overflows on north campus of Atlantic Middle School

2nd and Elm, access drive to Akin Bldg Center

Some streets of Atlantic were turned into miniature rivers this evening, following heavy rains that poured for over an hour. KJAN News Director Ric Hanson was out and about and took some pictures for you to view.

Street flooding was observed by Ric at 7th and Walnut, 10th and Linn, 2nd & 3rd Streets and Elm, in Atlantic.

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHWESTERN CASS COUNTY IN SOUTHWEST IOWA...

* UNTIL 1000 PM CDT

* AT 658 PM CDT...LAW ENFORCEMENT REPORTED FLASH FLOODING IN
ATLANTIC. THE FLASH FLOODING WAS CAUSED BY THUNDERSTORMS PRODUCING
VERY HEAVY RAIN.  THE STORMS HAD MOVED OUT OF THE WARNED AREA BUT
ADDITIONAL THUNDERSTORMS ARE POSSIBLE.

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN ADAIR COUNTY IN SOUTHWEST IOWA...
  NORTHERN MADISON COUNTY IN SOUTH CENTRAL IOWA...
  NORTHERN WARREN COUNTY IN SOUTH CENTRAL IOWA...
  SOUTHEASTERN GUTHRIE COUNTY IN WEST CENTRAL IOWA...
  SOUTHERN DALLAS COUNTY IN CENTRAL IOWA...
  SOUTHERN POLK COUNTY IN CENTRAL IOWA...

* UNTIL 130 AM CDT SUNDAY
* AT 727 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS WITH VERY HEAVY RAINFALL MOVING INTO THE WARNED
  AREA. AN ADDITIONAL ONE TO THREE INCHES OF RAIN IS LIKELY ACROSS
  PARTS OF THE WARNED AREA.
				

48 PM CDT SAT APR 14 2012

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ADAMS COUNTY, SOUTHERN MADISON COUNTY, NORTHERN RINGGOLD, EASTERN TAYLOR AND UNION COUNTIES UNTIL 730 PM CDT

* AT 646 PM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THIS STORM WAS LOCATED 5 MILES EAST OF LENOX…OR 12 MILES SOUTHWEST OF CRESTON…AND MOVING EAST AT 60 MPH.

* LOCATIONS IMPACTED INCLUDE…CRESTON…WINTERSET…MACKSBURG…

ADAIR IA-ADAMS IA-CASS IA- 636 PM CDT SAT APR 14 2012

A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CASS…ADAMS AND SOUTHWESTERN ADAIR COUNTIES UNTIL 700 PM CDT…

AT 632 PM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 13 MILES EAST OF GRISWOLD…OR 13 MILES SOUTHEAST OF ATLANTIC…MOVING NORTHEAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE… WIOTA…PRESCOTT…MASSENA…BRIDGEWATER…ANITA AND FONTANELLE.

627 PM CDT SAT APR 14 2012

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A  SEVERE THUNDERSTORM WARNING FOR TAYLOR COUNTY UNTIL 700 PM CDT

* AT 623 PM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR CLARINDA…AND MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE…

BEDFORD…LENOX…GRAVITY…SHARPSBURG…CONWAY…ATHELSTAN…BLOCKTON AND CLEARFIELD.

CRAWFORD-CARROLL-GREENE-BOONE-STORY-MARSHALL-TAMA-AUDUBON-GUTHRIE– DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION- MAHASKA-ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS COUNTIES IN IOWA….

620 PM CDT SAT APR 14 2012

…THUNDERSTORMS WILL PRODUCE BRIEF AND INTENSE HEAVY RAINFALL…

IN ADDITION TO THE SEVERE WEATHER THREAT THIS EVENING…THE THUNDERSTORMS HAVE A HISTORY OF PRODUCING BRIEF…AND INTENSE…HEAVYRAINFALL. IN THE MOST EXTREME CASES…TWO TO TWO AND HALF INCHES OF RAIN HAS FALLEN IN LESS THAN ONE HOUR.

THROUGH THE REMAINDER OF THE EVENING…THE THUNDERSTORMS WILL BE CAPABLE OF PRODUCE ADDITIONAL INTENSE AND BRIEF HEAVY RAIN. THE HEAVY RAIN WILL LIKELY PRODUCE LOCAL URBAN AND SMALL STREAM FLOODING. THE URBAN FLOODING WILL CAUSE LOCAL TRAVEL PROBLEMS. IF THE STORMS TEND TO TRAIN OVER THE SAME AREA…FLASH FLOODING WILL BE POSSIBLE AND WARNINGS WILL NEED TO BE ISSUED. THIS IS POSSIBLE…BUT NOT LIKELY.

NEVER DRIVE TO FLOODED ROADS.

614 PM CDT SAT APR 14 2012

A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR MONTGOMERY AND SOUTHEASTERN POTTAWATTAMIE COUNTIES…

AT 609 PM CDT…NATIONAL WEATHER SERVICE METEOROLOGISTS INDICATED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS OF 75 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 21 MILES SOUTHEAST OF MACEDONIA TO STANTON…OR ALONG A LINE EXTENDING FROM 49 MILES SOUTHEAST OF OMAHA TO 60 MILES NORTHWEST OF STANBERRY…MOVING NORTHEAST AT 50 MPH.

A TORNADO WARNING REMAINS IN EFFECT FOR NORTH CENTRAL MONTGOMERY COUNTY UNTIL 630 PM.

LOCATIONS IMPACTED INCLUDE…

RED OAK…STANTON…ELLIOTT AND GRANT.