SHELBY IA-POTTAWATTAMIE IA-

748 PM CDT TUE SEP 9 2014

SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN POTTAWATTAMIE AND SOUTHEASTERN SHELBY COUNTIES UNTIL 830 PM CDT…

AT 746 PM CDT…DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR MINDEN…OR 26 MILES WEST OF ATLANTIC…MOVING EAST AT 50 MPH. WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE…

OAKLAND…AVOCA…WALNUT…ELK HORN…SHELBY…MINDEN…NEOLA… HANCOCK…BOTNA BEND PARK…ARROWHEAD PARK AND ELK HORN CREEK RECREATION AREA.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR PARTS OF SOUTHEAST NEBRASKA AND PARTS OF SOUTHWEST IOWA.

(Updated 7:51-p.m.)

TORNADO WATCH 499 REMAINS VALID UNTIL MIDNIGHT CDT TONIGHT FOR THE FOLLOWING AREAS: IN IOWA THIS WATCH INCLUDES 12 COUNTIES

IN SOUTH CENTRAL IOWA: APPANOOSE CLARKE DECATUR LUCAS MONROE RINGGOLD UNION WAYNE

IN SOUTHEAST IOWA: DAVIS WAPELLO

IN SOUTHWEST IOWA: ADAMS TAYLOR FREMONT MILLS MONTGOMERY PAGE

FLASH FLOOD WARNING

NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA

725 PM CDT TUE SEP 9 2014

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* FLASH FLOOD WARNING FOR…OMAHA METRO AREA INCLUDING… SOUTHWESTERN POTTAWATTAMIE COUNTY IN SOUTHWEST IOWA… EASTERN DOUGLAS COUNTY IN EAST CENTRAL NEBRASKA… NORTHEASTERN SARPY COUNTY IN EAST CENTRAL NEBRASKA…

* UNTIL 915 PM CDT

* AT 718 PM CDT…DOPPLER RADAR INDICATED NUMEROUS THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE OMAHA METRO AREA. UP TO TWO INCHES OF RAIN HAVE ALREADY FALLEN AND FLOODING HAS ALREADY OCCURRED IN PARTS OF THE METRO AREA. ADDITIONAL FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

ADDITIONAL RAINFALL AMOUNTS OF TWO INCHES ARE POSSIBLE IN THE METRO AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. TURN AROUND…DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES.

NATIONAL WEATHER SERVICE DES MOINES IA 618 PM CDT TUE SEP 9 2014

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A FLASH FLOOD WARNING FOR…NORTHERN RINGGOLD COUNTY IN SOUTH CENTRAL IOWA…WESTERN CLARKE COUNTY IN SOUTH CENTRAL IOWA…UNION COUNTY IN SOUTH CENTRAL IOWA…NORTHWESTERN DECATUR COUNTY IN SOUTH CENTRAL IOWA…SOUTHEASTERN ADAMS COUNTY IN SOUTHWEST IOWA…

* UNTIL 1215 AM CDT

* AT 618 PM CDT…DOPPLER RADAR INDICATED THAT REPEATED THUNDERSTORMS HAVE ALREADY PRODUCED TWO TO THREE INCHES OF RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE… CRESTON…OSCEOLA…LENOX…GREEN VALLEY LAKE…LAKESIDE CASINO… SUN VALLEY LAKE…AFTON…MURRAY…LORIMOR…DIAGONAL…PRESCOTT… GRAND RIVER…TINGLEY…CROMWELL…ARISPE…SHANNON CITY…KENT… THAYER…ELLSTON AND BEACONSFIELD.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU CAN DO SO SAFELY.

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* FLOOD ADVISORY FOR...
  SOUTHERN FREMONT COUNTY IN SOUTHWEST IOWA...
  NORTHEASTERN OTOE COUNTY IN SOUTHEAST NEBRASKA...

* UNTIL 830 PM CDT

* AT 532 PM CDT...DOPPLER RADAR INDICATED HEAVY RAIN DUE TO
  THUNDERSTORMS. THIS WILL CAUSE MINOR FLOODING IN THE ADVISORY AREA.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  NEBRASKA CITY...HAMBURG...SIDNEY...FARRAGUT...RIVERTON AND
  WAUBONSIE STATE PARK.

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…

NORTHERN RINGGOLD COUNTY IN SOUTH CENTRAL IOWA…

SOUTHWESTERN CLARKE COUNTY IN SOUTH CENTRAL IOWA…

SOUTHERN UNION COUNTY IN SOUTH CENTRAL IOWA…

NORTHWESTERN DECATUR COUNTY IN SOUTH CENTRAL IOWA…

* UNTIL 630 PM CDT

* AT 540 PM CDT…A SEVERE THUNDERSTORM WAS LOCATED 11 MILES SOUTH OF

CRESTON…MOVING EAST AT 25 MPH.

HAZARD…GOLF BALL SIZE HAIL.

SOURCE…TRAINED WEATHER SPOTTERS.

IMPACT…PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT

DAMAGE TO ROOFS…SIDING…WINDOWS AND VEHICLES.

THE NATIONAL WEATHER SERVICE IN DES MOINES  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN RINGGOLD COUNTY IN SOUTH CENTRAL IOWA...
  NORTHEASTERN TAYLOR COUNTY IN SOUTHWEST IOWA...
  SOUTHWESTERN UNION COUNTY IN SOUTH CENTRAL IOWA...
  SOUTHEASTERN ADAMS COUNTY IN SOUTHWEST IOWA...

* UNTIL 545 PM CDT

* AT 502 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LENOX...OR 9
  MILES SOUTHEAST OF CORNING...MOVING EAST AT 20 MPH.

  HAZARD...GOLF BALL SIZE HAIL.

  SOURCE...TRAINED WEATHER SPOTTERS.

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT
           DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES.

.THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN POTTAWATTAMIE
COUNTY WILL EXPIRE AT 445 PM CDT…

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW
SEVERE LIMITS…AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR
PROPERTY. THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE. HOWEVER
GUSTY WINDS ARE STILL POSSIBLE WITH THESE THUNDERSTORMS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1200 AM CDT WEDNESDAY MORNING
FOR SOUTHWESTERN IOWA AND SOUTHEAST NEBRASKA.

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
NORTH CENTRAL TAYLOR COUNTY IN SOUTHWEST IOWA…
WESTERN UNION COUNTY IN SOUTH CENTRAL IOWA…
EASTERN ADAMS COUNTY IN SOUTHWEST IOWA…

* UNTIL 515 PM CDT

* AT 434 PM CDT…A SEVERE THUNDERSTORM WAS LOCATED 5 MILES SOUTH OF
CORNING…MOVING NORTHEAST AT 25 MPH.

HAZARD…HALF DOLLAR SIZE HAIL.

SOURCE…RADAR INDICATED.

IMPACT…DAMAGE TO VEHICLES IS EXPECTED.

411 PM CDT TUE SEP 9 2014

…A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 445 PM CDT FOR POTTAWATTAMIE AND SOUTHERN SHELBY COUNTIES…

AT 411 PM CDT…SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE EXTENDING FROM MINDEN TO TREYNOR…MOVING EAST AT 30 MPH.

HAZARD…60 MPH WIND GUSTS.

SOURCE…RADAR INDICATED.

IMPACT…EXPECT DAMAGE TO ROOFS…SIDING AND TREES.

LOCATIONS IMPACTED INCLUDE…

OAKLAND…AVOCA…TREYNOR…CARSON…WALNUT…SHELBY…MINDEN…

MACEDONIA…NEOLA…HANCOCK…ARROWHEAD PARK…ELK HORN CREEK

RECREATION AREA…OLD TOWN PARK…FARM CREEK PUBLIC WILDLIFE AREA AND

BOTNA BEND PARK.