Flash Flood Warning

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THE NATIONAL WEATHER SERVICE IN DES MOINES HAS EXTENDED THE

  • FLASH FLOOD WARNING FOR…
    WESTERN DALLAS COUNTY IN CENTRAL IOWA…
    NORTHEASTERN GUTHRIE COUNTY IN WEST CENTRAL IOWA…
    SOUTH CENTRAL GREENE COUNTY IN WEST CENTRAL IOWA…

  • UNTIL 715 AM CDT

  • AT 345 AM CDT…EMERGENCY MANAGEMENT REPORTED FLASH FLOODING
    ACROSS THE WARNED AREA INCLUDING AREAS SUCH AS
    JAMAICA…BAGLEY…AND BAYARD. FIVE PLUS INCHES OF RAIN HAVE
    FALLEN IN LOCATIONS ACROSS THE WARNED AREA. FLASH FLOODING IS
    ALREADY OCCURRING.

  • SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…
    GUTHRIE CENTER…DALLAS CENTER…PANORA…LAKE PANORAMA…
    REDFIELD…BAYARD…BAGLEY…YALE…JAMAICA…LINDEN…DAWSON…
    LAKIN SLOUGH GAME MANAGEMENT AREA…SPRINGBROOK STATE PARK AND
    PERRY MUNICIPAL AIRPORT.

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.

&&

LAT…LON 4172 9399 4154 9417 4167 9450 4180 9460
4194 9447 4195 9429

Weather Alerts

Severe Thunderstorm Warning

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THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

  • SEVERE THUNDERSTORM WARNING FOR…
    NORTHEASTERN WARREN COUNTY IN SOUTH CENTRAL IOWA…
    NORTHWESTERN MARION COUNTY IN SOUTH CENTRAL IOWA…
    SOUTHWESTERN JASPER COUNTY IN CENTRAL IOWA…
    SOUTHEASTERN POLK COUNTY IN CENTRAL IOWA…

  • UNTIL 200 AM CDT

  • AT 125 AM CDT…A SEVERE THUNDERSTORM WAS LOCATED NEAR PLEASANT
    HILL…MOVING SOUTHEAST AT 40 MPH.

    HAZARD…QUARTER SIZE HAIL.

    SOURCE…RADAR INDICATED.

    IMPACT…DAMAGE TO VEHICLES IS EXPECTED.

  • LOCATIONS IMPACTED INCLUDE…
    DES MOINES…ALTOONA…PLEASANT HILL…CARLISLE…MONROE…
    PLEASANTVILLE…LAKE RED ROCK…HARTFORD…RUNNELLS AND SWAN.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.

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

&&

LAT…LON 4135 9316 4152 9357 4162 9350 4155 9304
TIME…MOT…LOC 0625Z 292DEG 36KT 4154 9347

HAIL…1.00IN
WIND…<50MPH

Weather Alerts

Flash Flood Warning

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THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

  • FLASH FLOOD WARNING FOR…
    WARREN COUNTY IN SOUTH CENTRAL IOWA…
    SOUTHERN BOONE COUNTY IN CENTRAL IOWA…
    SOUTHWESTERN MARION COUNTY IN SOUTH CENTRAL IOWA…
    DALLAS COUNTY IN CENTRAL IOWA…
    NORTHEASTERN MADISON COUNTY IN SOUTH CENTRAL IOWA…
    SOUTHEASTERN GUTHRIE COUNTY IN WEST CENTRAL IOWA…
    POLK COUNTY IN CENTRAL IOWA…

  • UNTIL 700 AM CDT THURSDAY

  • AT 1255 AM CDT…DOPPLER RADAR INDICATED ADDITIONAL THUNDERSTORMS
    WITH HEAVY RAIN MOVING INTO THE WARNED AREA. AN ADDITIONAL TWO OR
    MORE INCHES IS POSSIBLE ACROSS PORTIONS OF THE WARNED AREA…ON
    TOP OF THE HEAVY RAINFALL THAT FELL EARLIER. FLASH FLOODING IS
    EXPECTED TO BEGIN SHORTLY.

  • SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…
    DES MOINES…WEST DES MOINES…ANKENY…URBANDALE…JOHNSTON…
    CLIVE…INDIANOLA…ALTOONA…WAUKEE…NORWALK…PLEASANT HILL…
    GRIMES…PERRY…KNOXVILLE…WINTERSET…ADEL…WINDSOR HEIGHTS…
    CARLISLE…BONDURANT AND POLK CITY.

FLOODING IS POSSIBLE ALONG NUMEROUS CREEKS AND SMALL STREAMS IN THE
WARNED AREA. OF PARTICULAR CONCERN IS WALNUT CREEK ON THE WEST SIDE
OF THE DES MOINES METRO AREA…WHICH IS EXPECTED TO GO ABOVE FLOOD
STAGE WITHIN THE NEXT FEW HOURS.

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.

&&

LAT…LON 4120 9287 4119 9327 4116 9329 4116 9382
4148 9424 4150 9424 4150 9429 4159 9439
4188 9416 4189 9373 4162 9335 4151 9333
4151 9320

Weather Alerts

Flash Flood Warning

By Weather AlertsNo Comments

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

  • FLASH FLOOD WARNING FOR…
    WESTERN DALLAS COUNTY IN CENTRAL IOWA…
    NORTHEASTERN GUTHRIE COUNTY IN WEST CENTRAL IOWA…
    SOUTH CENTRAL GREENE COUNTY IN WEST CENTRAL IOWA…

  • UNTIL 415 AM CDT

  • AT 1220 AM CDT…DOPPLER RADAR INDICATED NEW THUNDERSTORMS
    PRODUCING HEAVY RAIN NEAR THE WARNED AREA AND MORE ROUNDS OF HEAVY
    PRECPITATION TO COME THROUGH THE OVERNIGHT HOURS. FOUR PLUS INCHES
    OF RAIN HAVE FALLEN IN THE AREA ALREADY. FLASH FLOODING IS
    EXPECTED TO BEGIN SHORTLY.

  • SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…
    GUTHRIE CENTER…DALLAS CENTER…PANORA…LAKE PANORAMA…
    REDFIELD…BAYARD…BAGLEY…YALE…JAMAICA…LINDEN…DAWSON…
    LAKIN SLOUGH GAME MANAGEMENT AREA…SPRINGBROOK STATE PARK AND
    PERRY MUNICIPAL AIRPORT.

  • ANOTHER TWO INCHES OR MORE OF RAIN IS NOT OUT OF THE QUESTION AS
    STORMS CONTINUE TO DEVELOP TO THE NORTH AND WEST OF THE WARNED
    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.

&&

LAT…LON 4172 9399 4154 9417 4167 9450 4180 9460
4194 9447 4195 9429

Weather Alerts

Severe Thunderstorm Warning

By Weather AlertsNo Comments

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

  • SEVERE THUNDERSTORM WARNING FOR…
    WESTERN WARREN COUNTY IN SOUTH CENTRAL IOWA…
    SOUTHEASTERN DALLAS COUNTY IN CENTRAL IOWA…
    NORTHEASTERN MADISON COUNTY IN SOUTH CENTRAL IOWA…

  • UNTIL 100 AM CDT

  • AT 1213 AM CDT…A SEVERE THUNDERSTORM WAS LOCATED OVER DE SOTO…
    OR 6 MILES SOUTH OF ADEL…MOVING SOUTHEAST AT 40 MPH.

    HAZARD…QUARTER SIZE HAIL.

    SOURCE…RADAR INDICATED.

    IMPACT…DAMAGE TO VEHICLES IS EXPECTED.

  • LOCATIONS IMPACTED INCLUDE…
    WEST DES MOINES…INDIANOLA…WAUKEE…NORWALK…WINTERSET…
    ADEL…EARLHAM…DE SOTO…VAN METER…AVENUE OF THE SAINTS EVENT
    CENTER…ST. CHARLES…NEW VIRGINIA…MARTENSDALE…CUMMING…
    PATTERSON…ST. MARYS…BEVINGTON…SPRING HILL…LAKE AHQUABI
    STATE PARK AND BADGER CREEK STATE PARK.

THIS INCLUDES THE FOLLOWING HIGHWAYS…
INTERSTATE 35 BETWEEN MILE MARKERS 47 AND 66.
INTERSTATE 80 BETWEEN MILE MARKERS 104 AND 118.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.

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

&&

LAT…LON 4148 9417 4163 9401 4153 9379 4151 9379
4151 9374 4140 9348 4127 9353 4117 9372
TIME…MOT…LOC 0513Z 301DEG 35KT 4152 9401

HAIL…1.00IN
WIND…<50MPH

Weather Alerts

Watch County Notification

By Weather AlertsNo Comments

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
351 UNTIL 2 AM CDT THURSDAY WHICH REPLACES A PORTION OF TORNADO
WATCH 349. THE NEW WATCH IS VALID FOR THE FOLLOWING AREAS

IN IOWA THE NEW WATCH INCLUDES 23 COUNTIES

IN CENTRAL IOWA

BOONE DALLAS JASPER
POLK STORY

IN SOUTH CENTRAL IOWA

APPANOOSE CLARKE DECATUR
LUCAS MADISON MAHASKA
MARION MONROE UNION
WARREN WAYNE

IN SOUTHEAST IOWA

DAVIS WAPELLO

IN SOUTHWEST IOWA

ADAIR

IN WEST CENTRAL IOWA

AUDUBON CARROLL GREENE
GUTHRIE

THIS INCLUDES THE CITIES OF…ADAIR…ADEL…ALBIA…ALLERTON…
AMES…AUDUBON…BAYARD…BLOOMFIELD…BOONE…CARLISLE…
CARROLL…CASEY…CENTERVILLE…CHARITON…CORYDON…CRESTON…
DES MOINES…EARLHAM…EXIRA…FONTANELLE…GREENFIELD…
GUTHRIE CENTER…HUMESTON…INDIANOLA…JEFFERSON…KNOXVILLE…
LAMONI…LEON…NEWTON…NORWALK…OSCEOLA…OSKALOOSA…
OTTUMWA…PANORA…PELLA…PERRY…SEYMOUR…STUART…
WAUKEE AND WINTERSET.

Weather Alerts

Watch County Notification

By Weather AlertsNo Comments

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
351 UNTIL 2 AM CDT THURSDAY WHICH REPLACES A PORTION OF TORNADO
WATCH 349. THE NEW WATCH IS VALID FOR THE FOLLOWING AREAS

IN IOWA THE NEW WATCH INCLUDES 23 COUNTIES

IN CENTRAL IOWA

BOONE DALLAS JASPER
POLK STORY

IN SOUTH CENTRAL IOWA

APPANOOSE CLARKE DECATUR
LUCAS MADISON MAHASKA
MARION MONROE UNION
WARREN WAYNE

IN SOUTHEAST IOWA

DAVIS WAPELLO

IN SOUTHWEST IOWA

ADAIR

IN WEST CENTRAL IOWA

AUDUBON CARROLL GREENE
GUTHRIE

THIS INCLUDES THE CITIES OF…ADAIR…ADEL…ALBIA…ALLERTON…
AMES…AUDUBON…BAYARD…BLOOMFIELD…BOONE…CARLISLE…
CARROLL…CASEY…CENTERVILLE…CHARITON…CORYDON…CRESTON…
DES MOINES…EARLHAM…EXIRA…FONTANELLE…GREENFIELD…
GUTHRIE CENTER…HUMESTON…INDIANOLA…JEFFERSON…KNOXVILLE…
LAMONI…LEON…NEWTON…NORWALK…OSCEOLA…OSKALOOSA…
OTTUMWA…PANORA…PELLA…PERRY…SEYMOUR…STUART…
WAUKEE AND WINTERSET.

Weather Alerts

Flash Flood Warning

By Weather AlertsNo Comments

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

  • FLASH FLOOD WARNING FOR…
    CARROLL COUNTY IN WEST CENTRAL IOWA…
    BOONE COUNTY IN CENTRAL IOWA…
    GREENE COUNTY IN WEST CENTRAL IOWA…

  • UNTIL 430 AM CDT THURSDAY

  • AT 1027 PM CDT…DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
    HEAVY RAIN ACROSS THE WARNED AREA. TWO TO THREE INCHES OR MORE OF
    RAIN HAVE FALLEN SO FAR THIS EVENING WITH MORE EXPECTED AS STORMS
    CONTINUE TO DEVELOP IN THE AREA . FLASH FLOODING IS EXPECTED TO
    BEGIN SHORTLY.

  • SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…
    BOONE…CARROLL…JEFFERSON…MADRID…OGDEN…GLIDDEN…BOONE
    SPEEDWAY…GRAND JUNCTION…SCRANTON…ARCADIA…BREDA…CHURDAN…
    SHELDAHL…RIPPEY…HALBUR…PATON…BOXHOLM…LIDDERDALE…PILOT
    MOUND AND LUTHER.

ADDITIONAL RAINFALL AMOUNTS OF TWO INCHES OR MORE ARE POSSIBLE IN
THE WARNED AREA AS STORMS CONTINUE THROUGH THE EVENING AND OVERNIGHT
HOURS.

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.

&&

LAT…LON 4221 9505 4221 9370 4187 9370 4186 9417
4195 9429 4194 9447 4188 9452 4202 9505

Weather Alerts

Watch County Notification

By Weather AlertsNo Comments

TORNADO WATCH 349 REMAINS VALID UNTIL 2 AM CDT THURSDAY FOR THE
FOLLOWING AREAS

IN IOWA THIS WATCH INCLUDES 31 COUNTIES

IN CENTRAL IOWA

BOONE DALLAS JASPER
MARSHALL POLK POWESHIEK
STORY TAMA

IN SOUTH CENTRAL IOWA

APPANOOSE CLARKE DECATUR
LUCAS MADISON MAHASKA
MARION MONROE RINGGOLD
UNION WARREN WAYNE

IN SOUTHEAST IOWA

DAVIS WAPELLO

IN SOUTHWEST IOWA

ADAIR ADAMS CASS
TAYLOR

IN WEST CENTRAL IOWA

AUDUBON CARROLL CRAWFORD
GREENE GUTHRIE

THIS INCLUDES THE CITIES OF…ADAIR…ADEL…ALBIA…ALLERTON…
AMES…ATLANTIC…AUDUBON…BAYARD…BEDFORD…BLOOMFIELD…
BOONE…CARLISLE…CARROLL…CASEY…CENTERVILLE…CHARITON…
CORNING…CORYDON…CRESTON…DENISON…DES MOINES…DYSART…
EARLHAM…EXIRA…FONTANELLE…GLADBROOK…GREENFIELD…
GRINNELL…GUTHRIE CENTER…HUMESTON…INDIANOLA…JEFFERSON…
KNOXVILLE…LAMONI…LENOX…LEON…MARSHALLTOWN…MOUNT AYR…
NEW MARKET…NEWTON…NORWALK…OSCEOLA…OSKALOOSA…OTTUMWA…
PANORA…PELLA…PERRY…SEYMOUR…STUART…TAMA…TOLEDO…
TRAER…WAUKEE AND WINTERSET.

PROBABILITY TABLE:
PROB OF 2 OR MORE TORNADOES : 40%
PROB OF 1 OR MORE STRONG /F2-F5/ TORNADOES : 20%
PROB OF 10 OR MORE SEVERE WIND EVENTS : 60%
PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 10%
PROB OF 10 OR MORE SEVERE HAIL EVENTS : 50%
PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 30%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : >95%
MAX HAIL /INCHES/ : 2.5
MAX WIND GUSTS SURFACE /MPH/ : 70

Weather Alerts

Watch County Notification

By Weather AlertsNo Comments

THE NATIONAL WEATHER SERVICE HAS CANCELLED TORNADO WATCH 349 FOR
THE FOLLOWING AREAS

IN IOWA THIS CANCELS 7 COUNTIES

IN CENTRAL IOWA

GRUNDY HAMILTON HARDIN
WEBSTER

IN NORTHEAST IOWA

BLACK HAWK

IN WEST CENTRAL IOWA

CALHOUN SAC

THIS INCLUDES THE CITIES OF…ACKLEY…CEDAR FALLS…CONRAD…
DIKE…EARLY…ELDORA…FORT DODGE…GRUNDY CENTER…IOWA FALLS…
LAKE CITY…LAKE VIEW…MANSON…ODEBOLT…POMEROY…REINBECK…
ROCKWELL CITY…SAC CITY…SCHALLER…WALL LAKE…WATERLOO…
WEBSTER CITY AND WELLSBURG.

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