Flash Flood Warning

By National Weather ServiceNo Comments

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

  • FLASH FLOOD WARNING FOR…
    NORTHEASTERN MADISON COUNTY IN SOUTH CENTRAL IOWA…
    POLK COUNTY IN CENTRAL IOWA…
    NORTHERN WARREN COUNTY IN SOUTH CENTRAL IOWA…
    EASTERN DALLAS COUNTY IN CENTRAL IOWA…

  • UNTIL 630 PM CDT

  • AT 1235 PM CDT…DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
    HEAVY RAIN ACROSS THE WARNED AREA. AS MUCH AS 2 TO 3 INCHES OF
    RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN
    SHORTLY.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS…

TURN AROUND…DON’T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS…URBAN AREAS…HIGHWAYS…STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

&&

LAT…LON 4184 9407 4183 9335 4160 9335 4160 9333
4140 9333 4140 9407

Weather Alerts

Severe Thunderstorm Warning

By National Weather ServiceNo Comments

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

  • SEVERE THUNDERSTORM WARNING FOR…
    SOUTHEASTERN GREENE COUNTY IN WEST CENTRAL IOWA…
    WEST CENTRAL BOONE COUNTY IN CENTRAL IOWA…

  • UNTIL 230 AM CDT

  • AT 141 AM CDT…A SEVERE THUNDERSTORM WAS LOCATED OVER JEFFERSON…
    MOVING EAST AT 30 MPH.

    HAZARD…QUARTER SIZE HAIL.

    SOURCE…RADAR INDICATED.

    IMPACT…DAMAGE TO VEHICLES IS EXPECTED.

  • LOCATIONS IMPACTED INCLUDE…
    JEFFERSON…OGDEN…GRAND JUNCTION…BEAVER AND JEFFERSON MUNICIPAL
    AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

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

&&

LAT…LON 4191 9440 4200 9444 4212 9407 4200 9402
TIME…MOT…LOC 0641Z 253DEG 26KT 4198 9435

HAIL…1.00IN
WIND…<50MPH

Weather Alerts

Severe Thunderstorm Warning

By National Weather ServiceNo Comments

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

  • SEVERE THUNDERSTORM WARNING FOR…
    SOUTHEASTERN WEBSTER COUNTY IN CENTRAL IOWA…
    STORY COUNTY IN CENTRAL IOWA…
    HARDIN COUNTY IN CENTRAL IOWA…
    HAMILTON COUNTY IN CENTRAL IOWA…
    EASTERN WRIGHT COUNTY IN NORTH CENTRAL IOWA…
    NORTHEASTERN GREENE COUNTY IN WEST CENTRAL IOWA…
    FRANKLIN COUNTY IN NORTH CENTRAL IOWA…
    BOONE COUNTY IN CENTRAL IOWA…

  • UNTIL 415 AM CDT

  • AT 320 AM CDT…SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
    EXTENDING FROM 6 MILES EAST OF BELMOND TO NEAR BIG WALL LAKE TO 9
    MILES SOUTHWEST OF GOWRIE…MOVING EAST AT 65 MPH.

    HAZARD…60 MPH WIND GUSTS.

    SOURCE…RADAR INDICATED.

    IMPACT…EXPECT DAMAGE TO ROOFS…SIDING…AND TREES.

  • LOCATIONS IMPACTED INCLUDE…
    AMES…BOONE…WEBSTER CITY…NEVADA…IOWA FALLS…HAMPTON…
    ELDORA…STORY CITY…HUXLEY…OGDEN…ACKLEY…ROLAND…JEWELL
    JUNCTION…SHEFFIELD…GILBERT…IOWA STATE CENTER…BIG WALL
    LAKE…BOONE SPEEDWAY…HUBBARD AND DAYTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.

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

&&

LAT…LON 4247 9303 4247 9300 4221 9300 4221 9323
4209 9323 4188 9362 4211 9452 4260 9374
4291 9354 4291 9303
TIME…MOT…LOC 0820Z 289DEG 56KT 4284 9348 4258 9363 4218 9443

TORNADO…POSSIBLE
HAIL…<.75IN
WIND…60MPH

Weather Alerts

Severe Thunderstorm Warning

By National Weather ServiceNo Comments

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

  • SEVERE THUNDERSTORM WARNING FOR…
    NORTHWESTERN MADISON COUNTY IN SOUTH CENTRAL IOWA…
    EASTERN GUTHRIE COUNTY IN WEST CENTRAL IOWA…
    SOUTHERN DALLAS COUNTY IN CENTRAL IOWA…

  • UNTIL 630 PM CDT

  • AT 551 PM CDT…A SEVERE THUNDERSTORM WAS LOCATED OVER PANORA…OR
    8 MILES EAST OF GUTHRIE CENTER…MOVING SOUTHEAST AT 35 MPH.

    HAZARD…QUARTER SIZE HAIL.

    SOURCE…RADAR INDICATED.

    IMPACT…DAMAGE TO VEHICLES IS EXPECTED.

  • LOCATIONS IMPACTED INCLUDE…
    WAUKEE…ADEL…GUTHRIE CENTER…DALLAS CENTER…EARLHAM…
    PANORA…DE SOTO…LAKE PANORAMA…REDFIELD…DEXTER…DIAMONDHEAD
    LAKE…YALE…LINDEN AND LAKIN SLOUGH GAME MANAGEMENT AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

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

TO REPORT SEVERE WEATHER…CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE
OFFICE IN DES MOINES .

&&

LAT…LON 4149 9424 4150 9424 4150 9427 4167 9451
4181 9438 4164 9388 4141 9413
TIME…MOT…LOC 2251Z 296DEG 31KT 4169 9434

HAIL…1.00IN
WIND…<50MPH

Weather Alerts

Watch County Notification

By National Weather ServiceNo Comments

THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 378 FOR THE FOLLOWING AREAS

IN IOWA THIS CANCELS 10 COUNTIES

IN CENTRAL IOWA

JASPER MARSHALL POLK
STORY

IN SOUTH CENTRAL IOWA

CLARKE DECATUR LUCAS
MARION WARREN WAYNE

THIS INCLUDES THE CITIES OF…ALLERTON…AMES…CARLISLE…
CHARITON…CORYDON…DES MOINES…HUMESTON…INDIANOLA…
KNOXVILLE…LAMONI…LEON…MARSHALLTOWN…NEWTON…NORWALK…
OSCEOLA…PELLA AND SEYMOUR.

Weather Alerts

Watch County Notification

By National Weather ServiceNo Comments

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
378 IN EFFECT UNTIL 6 PM CDT THIS EVENING FOR THE FOLLOWING AREAS

IN IOWA THIS WATCH INCLUDES 17 COUNTIES

IN CENTRAL IOWA

JASPER MARSHALL POLK
POWESHIEK STORY TAMA

IN SOUTH CENTRAL IOWA

APPANOOSE CLARKE DECATUR
LUCAS MAHASKA MARION
MONROE WARREN WAYNE

IN SOUTHEAST IOWA

DAVIS WAPELLO

THIS INCLUDES THE CITIES OF…ALBIA…ALLERTON…AMES…
BLOOMFIELD…CARLISLE…CENTERVILLE…CHARITON…CORYDON…
DES MOINES…DYSART…GLADBROOK…GRINNELL…HUMESTON…
INDIANOLA…KNOXVILLE…LAMONI…LEON…MARSHALLTOWN…NEWTON…
NORWALK…OSCEOLA…OSKALOOSA…OTTUMWA…PELLA…SEYMOUR…
TAMA…TOLEDO AND TRAER.

  • PRIMARY THREATS INCLUDE…

    SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE.
    ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE.

PROBABILITY TABLE:
PROB OF 2 OR MORE TORNADOES : 10%
PROB OF 1 OR MORE STRONG /F2-F5/ TORNADOES : = 75 MPH : 20%
PROB OF 10 OR MORE SEVERE HAIL EVENTS : 30%
PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 10%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 70%
MEAN STORM MOTION /MPH/ : E 40

Weather Alerts

Watch County Notification

By National Weather ServiceNo Comments

SEVERE THUNDERSTORM WATCH 372…PREVIOUSLY IN EFFECT UNTIL 10 PM
CDT THIS EVENING…IS NOW IN EFFECT UNTIL 11 PM CDT THIS EVENING
FOR THE FOLLOWING AREAS

IN IOWA THIS WATCH INCLUDES 10 COUNTIES

IN CENTRAL IOWA

WEBSTER

IN NORTH CENTRAL IOWA

HUMBOLDT KOSSUTH

IN NORTHWEST IOWA

EMMET PALO ALTO POCAHONTAS

IN WEST CENTRAL IOWA

CALHOUN CARROLL CRAWFORD
SAC

THIS INCLUDES THE CITIES OF…ALGONA…CARROLL…DENISON…
EARLY…EMMETSBURG…ESTHERVILLE…FONDA…FORT DODGE…
GILMORE CITY…HUMBOLDT…LAKE CITY…LAKE VIEW…LAURENS…
MANSON…ODEBOLT…POCAHONTAS…POMEROY…ROCKWELL CITY…ROLFE…
SAC CITY…SCHALLER AND WALL LAKE.

  • PRIMARY THREATS INCLUDE…

    SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
    INCHES IN DIAMETER POSSIBLE.
    SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE.
    A TORNADO OR TWO POSSIBLE.

PROBABILITY TABLE:
PROB OF 2 OR MORE TORNADOES : 20%
PROB OF 1 OR MORE STRONG /F2-F5/ TORNADOES : 05%
PROB OF 10 OR MORE SEVERE WIND EVENTS : 50%
PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 20%
PROB OF 10 OR MORE SEVERE HAIL EVENTS : 40%
PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 30%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 90%
MEAN STORM MOTION /MPH/ : E 30

Weather Alerts

Watch County Notification

By National Weather ServiceNo Comments

THE NATIONAL WEATHER SERVICE HAS EXTENDED SEVERE THUNDERSTORM
WATCH 372 TO INCLUDE THE FOLLOWING AREAS UNTIL 11 PM CDT THIS
EVENING

IN IOWA THIS WATCH INCLUDES 6 COUNTIES

IN CENTRAL IOWA

HAMILTON

IN NORTH CENTRAL IOWA

HANCOCK WINNEBAGO WRIGHT

IN WEST CENTRAL IOWA

AUDUBON GREENE

THIS INCLUDES THE CITIES OF…AUDUBON…BELMOND…BRITT…
CLARION…EAGLE GROVE…EXIRA…FOREST CITY…GARNER…
JEFFERSON…KANAWHA…LAKE MILLS AND WEBSTER CITY.

  • PRIMARY THREATS INCLUDE…

    SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
    INCHES IN DIAMETER POSSIBLE.
    SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE.
    A TORNADO OR TWO POSSIBLE.

PROBABILITY TABLE:
PROB OF 2 OR MORE TORNADOES : 20%
PROB OF 1 OR MORE STRONG /F2-F5/ TORNADOES : 05%
PROB OF 10 OR MORE SEVERE WIND EVENTS : 50%
PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 20%
PROB OF 10 OR MORE SEVERE HAIL EVENTS : 40%
PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 30%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 90%
MEAN STORM MOTION /MPH/ : E 30

Weather Alerts

Watch County Notification

By National Weather ServiceNo Comments

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH
372 IN EFFECT UNTIL 10 PM CDT THIS EVENING FOR THE FOLLOWING
AREAS

IN IOWA THIS WATCH INCLUDES 10 COUNTIES

IN CENTRAL IOWA

WEBSTER

IN NORTH CENTRAL IOWA

HUMBOLDT KOSSUTH

IN NORTHWEST IOWA

EMMET PALO ALTO POCAHONTAS

IN WEST CENTRAL IOWA

CALHOUN CARROLL CRAWFORD
SAC

THIS INCLUDES THE CITIES OF…ALGONA…CARROLL…DENISON…
EARLY…EMMETSBURG…ESTHERVILLE…FONDA…FORT DODGE…
GILMORE CITY…HUMBOLDT…LAKE CITY…LAKE VIEW…LAURENS…
MANSON…ODEBOLT…POCAHONTAS…POMEROY…ROCKWELL CITY…ROLFE…
SAC CITY…SCHALLER AND WALL LAKE.

  • PRIMARY THREATS INCLUDE…

    SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2
    INCHES IN DIAMETER POSSIBLE.
    SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE.
    A TORNADO OR TWO POSSIBLE.

PROBABILITY TABLE:
PROB OF 2 OR MORE TORNADOES : 20%
PROB OF 1 OR MORE STRONG /F2-F5/ TORNADOES : 05%
PROB OF 10 OR MORE SEVERE WIND EVENTS : 50%
PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 20%
PROB OF 10 OR MORE SEVERE HAIL EVENTS : 40%
PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 30%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 90%
MEAN STORM MOTION /MPH/ : E 30

Weather Alerts

Watch County Notification

By National Weather ServiceNo Comments

THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 351 FOR THE FOLLOWING AREAS

IN IOWA THIS CANCELS 20 COUNTIES

IN CENTRAL IOWA

BOONE DALLAS HAMILTON
WEBSTER

IN NORTH CENTRAL IOWA

CERRO GORDO HANCOCK HUMBOLDT
WINNEBAGO WORTH WRIGHT

IN SOUTH CENTRAL IOWA

MADISON UNION

IN SOUTHWEST IOWA

ADAIR ADAMS CASS

IN WEST CENTRAL IOWA

AUDUBON CALHOUN CARROLL
GREENE GUTHRIE

THIS INCLUDES THE CITIES OF…ADAIR…ADEL…ATLANTIC…AUDUBON…
BAYARD…BELMOND…BOONE…BRITT…CARROLL…CASEY…CLARION…
CLEAR LAKE…CORNING…CRESTON…EAGLE GROVE…EARLHAM…EXIRA…
FONTANELLE…FOREST CITY…FORT DODGE…GARNER…GREENFIELD…
GUTHRIE CENTER…HUMBOLDT…JEFFERSON…KANAWHA…LAKE CITY…
LAKE MILLS…MANLY…MANSON…MASON CITY…NORTHWOOD…PANORA…
PERRY…POMEROY…ROCKWELL CITY…STUART…WAUKEE…
WEBSTER CITY AND WINTERSET.

Weather Alerts
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