Severe Thunderstorm Warning

By National Weather ServiceNo Comments

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

  • SEVERE THUNDERSTORM WARNING FOR…
    NORTHERN MADISON COUNTY IN SOUTH CENTRAL IOWA…
    SOUTHEASTERN GUTHRIE COUNTY IN WEST CENTRAL IOWA…
    NORTHEASTERN ADAIR COUNTY IN SOUTHWESTERN IOWA…
    SOUTHWESTERN DALLAS COUNTY IN CENTRAL IOWA…

  • UNTIL 330 PM CDT.

  • AT 259 PM CDT…A SEVERE THUNDERSTORM WAS LOCATED NEAR PANORA…OR
    10 MILES SOUTHEAST OF GUTHRIE CENTER…MOVING SOUTHEAST AT 45 MPH.

    HAZARD…60 MPH WIND GUSTS.

    SOURCE…RADAR INDICATED.

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

  • LOCATIONS IMPACTED INCLUDE…
    WINTERSET…STUART…EARLHAM…PANORA…DE SOTO…VAN METER…LAKE
    PANORAMA…REDFIELD…DEXTER…DIAMONDHEAD LAKE…LINDEN…
    WINTERSET-MADISON COUNTY AIRPORT AND BADGER CREEK STATE PARK.

THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 93 AND 112.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

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

&&

LAT…LON 4147 9430 4164 9449 4172 9437 4148 9381
4127 9407
TIME…MOT…LOC 1959Z 313DEG 41KT 4160 9432

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…
    SOUTHERN WEBSTER COUNTY IN CENTRAL IOWA…
    NORTHWESTERN STORY COUNTY IN CENTRAL IOWA…
    SOUTHERN HAMILTON COUNTY IN CENTRAL IOWA…
    NORTHEASTERN GREENE COUNTY IN WEST CENTRAL IOWA…
    NORTHERN BOONE COUNTY IN CENTRAL IOWA…

  • UNTIL 315 PM CDT.

  • AT 233 PM CDT…A SEVERE THUNDERSTORM WAS LOCATED NEAR GOWRIE…OR
    16 MILES NORTHEAST OF JEFFERSON…MOVING EAST AT 45 MPH.

    HAZARD…60 MPH WIND GUSTS.

    SOURCE…RADAR INDICATED.

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

  • LOCATIONS IMPACTED INCLUDE…
    AMES…BOONE…STORY CITY…JEWELL JUNCTION…GILBERT…GOWRIE…
    DAYTON…STRATFORD…ELLSWORTH…STANHOPE…HARCOURT…PATON…
    KAMRAR…BOXHOLM…RANDALL…PILOT MOUND…FRASER…DANA…BOONE
    MUNICIPAL AIRPORT AND BRUSHY CREEK ST RECREATION AREA.

THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 115 AND 140.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

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

&&

LAT…LON 4205 9428 4230 9435 4242 9352 4205 9353
TIME…MOT…LOC 1933Z 267DEG 41KT 4222 9420

HAIL…<.75IN
WIND…60MPH

Weather Alerts

Watch County Notification

By National Weather ServiceNo Comments

THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM
WATCH 470 FOR THE FOLLOWING AREAS

IN IOWA THIS CANCELS 24 COUNTIES

IN CENTRAL IOWA

BOONE DALLAS GRUNDY
HAMILTON HARDIN MARSHALL
POLK STORY WEBSTER

IN NORTH CENTRAL IOWA

BUTLER CERRO GORDO FRANKLIN
HANCOCK HUMBOLDT WORTH
WRIGHT

IN NORTHEAST IOWA

BLACK HAWK BREMER

IN WEST CENTRAL IOWA

AUDUBON CALHOUN CARROLL
CRAWFORD GREENE GUTHRIE

THIS INCLUDES THE CITIES OF…ACKLEY…ADEL…ALLISON…AMES…
APLINGTON…AUDUBON…BAYARD…BELMOND…BOONE…BRITT…
CARROLL…CASEY…CEDAR FALLS…CLARION…CLARKSVILLE…
CLEAR LAKE…CONRAD…DENISON…DES MOINES…DIKE…DUMONT…
EAGLE GROVE…ELDORA…EXIRA…FORT DODGE…GARNER…GREENE…
GRUNDY CENTER…GUTHRIE CENTER…HAMPTON…HUMBOLDT…
IOWA FALLS…JEFFERSON…KANAWHA…LAKE CITY…MANLY…MANSON…
MARSHALLTOWN…MASON CITY…NORTHWOOD…PANORA…PARKERSBURG…
PERRY…POMEROY…REINBECK…ROCKWELL CITY…SHELL ROCK…
WATERLOO…WAUKEE…WAVERLY…WEBSTER CITY AND WELLSBURG.

Weather Alerts

Watch County Notification

By National Weather ServiceNo Comments

SEVERE THUNDERSTORM WATCH 470 REMAINS VALID UNTIL 2 AM CDT
WEDNESDAY FOR THE FOLLOWING AREAS

IN IOWA THIS WATCH INCLUDES 24 COUNTIES

IN CENTRAL IOWA

BOONE DALLAS GRUNDY
HAMILTON HARDIN MARSHALL
POLK STORY WEBSTER

IN NORTH CENTRAL IOWA

BUTLER CERRO GORDO FRANKLIN
HANCOCK HUMBOLDT WORTH
WRIGHT

IN NORTHEAST IOWA

BLACK HAWK BREMER

IN WEST CENTRAL IOWA

AUDUBON CALHOUN CARROLL
CRAWFORD GREENE GUTHRIE

THIS INCLUDES THE CITIES OF…ACKLEY…ADEL…ALLISON…AMES…
APLINGTON…AUDUBON…BAYARD…BELMOND…BOONE…BRITT…
CARROLL…CASEY…CEDAR FALLS…CLARION…CLARKSVILLE…
CLEAR LAKE…CONRAD…DENISON…DES MOINES…DIKE…DUMONT…
EAGLE GROVE…ELDORA…EXIRA…FORT DODGE…GARNER…GREENE…
GRUNDY CENTER…GUTHRIE CENTER…HAMPTON…HUMBOLDT…
IOWA FALLS…JEFFERSON…KANAWHA…LAKE CITY…MANLY…MANSON…
MARSHALLTOWN…MASON CITY…NORTHWOOD…PANORA…PARKERSBURG…
PERRY…POMEROY…REINBECK…ROCKWELL CITY…SHELL ROCK…
WATERLOO…WAUKEE…WAVERLY…WEBSTER CITY AND WELLSBURG.

  • PRIMARY THREATS INCLUDE…

    ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE.
    ISOLATED 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 : 30%
PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 10%
PROB OF 10 OR MORE SEVERE HAIL EVENTS : 30%
PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 30%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 70%
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
470 IN EFFECT UNTIL 2 AM CDT WEDNESDAY FOR THE FOLLOWING AREAS

IN IOWA THIS WATCH INCLUDES 28 COUNTIES

IN CENTRAL IOWA

BOONE DALLAS GRUNDY
HAMILTON HARDIN MARSHALL
POLK STORY WEBSTER

IN NORTH CENTRAL IOWA

BUTLER CERRO GORDO FRANKLIN
HANCOCK HUMBOLDT WORTH
WRIGHT

IN NORTHEAST IOWA

BLACK HAWK BREMER

IN SOUTH CENTRAL IOWA

MADISON

IN SOUTHWEST IOWA

ADAIR ADAMS CASS

IN WEST CENTRAL IOWA

AUDUBON CALHOUN CARROLL
CRAWFORD GREENE GUTHRIE

THIS INCLUDES THE CITIES OF…ACKLEY…ADAIR…ADEL…ALLISON…
AMES…APLINGTON…ATLANTIC…AUDUBON…BAYARD…BELMOND…
BOONE…BRITT…CARROLL…CASEY…CEDAR FALLS…CLARION…
CLARKSVILLE…CLEAR LAKE…CONRAD…CORNING…DENISON…
DES MOINES…DIKE…DUMONT…EAGLE GROVE…EARLHAM…ELDORA…
EXIRA…FONTANELLE…FORT DODGE…GARNER…GREENE…GREENFIELD…
GRUNDY CENTER…GUTHRIE CENTER…HAMPTON…HUMBOLDT…
IOWA FALLS…JEFFERSON…KANAWHA…LAKE CITY…MANLY…MANSON…
MARSHALLTOWN…MASON CITY…NORTHWOOD…PANORA…PARKERSBURG…
PERRY…POMEROY…REINBECK…ROCKWELL CITY…SHELL ROCK…
STUART…WATERLOO…WAUKEE…WAVERLY…WEBSTER CITY…
WELLSBURG AND WINTERSET.

  • PRIMARY THREATS INCLUDE…

    ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE.
    ISOLATED 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 : 30%
PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 10%
PROB OF 10 OR MORE SEVERE HAIL EVENTS : 30%
PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 30%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 70%
MEAN STORM MOTION /MPH/ : E 30

Weather Alerts

Flash Flood Warning

By National Weather ServiceNo Comments

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

  • FLASH FLOOD WARNING FOR…
    STORY COUNTY IN CENTRAL IOWA…
    SOUTHERN BOONE COUNTY IN CENTRAL IOWA…

  • UNTIL 1130 PM CDT MONDAY

  • AT 524 PM CDT…DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
    THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. UP TO
    ONE INCH OF RAIN HAS ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO
    BEGIN SHORTLY. AMES OBSERVATIONS HAVE REPORTED OVER AN INCH OF
    RAIN IN AROUND 10 TO 15 MINUTES WITH VERY HEAVY RAIN RATES
    EXPECTED TO CONTINUE.

  • SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…
    AMES…BOONE…NEVADA…HUXLEY…MADRID…OGDEN…SLATER…
    GILBERT…WOODWARD…IOWA STATE CENTER…BOONE SPEEDWAY…
    MAXWELL…COLO…CAMBRIDGE…ZEARING…COLLINS…SHELDAHL…
    KELLEY…LUTHER AND LEDGES STATE PARK.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE
WARNED AREA.

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 4186 9408 4207 9406 4217 9323 4186 9323

Weather Alerts

Watch County Notification

By National Weather ServiceNo Comments

SEVERE THUNDERSTORM WATCH 443 REMAINS VALID UNTIL 11 PM CDT THIS
EVENING FOR THE FOLLOWING AREAS

IN IOWA THIS WATCH INCLUDES 18 COUNTIES

IN CENTRAL IOWA

JASPER POLK POWESHIEK

IN SOUTH CENTRAL IOWA

CLARKE DECATUR LUCAS
MADISON MAHASKA MARION
MONROE RINGGOLD UNION
WARREN WAYNE

IN SOUTHWEST IOWA

ADAIR ADAMS CASS
TAYLOR

THIS INCLUDES THE CITIES OF…ADAIR…ALBIA…ALLERTON…
ATLANTIC…BEDFORD…CARLISLE…CHARITON…CORNING…CORYDON…
CRESTON…DES MOINES…EARLHAM…FONTANELLE…GREENFIELD…
GRINNELL…HUMESTON…INDIANOLA…KNOXVILLE…LAMONI…LENOX…
LEON…MOUNT AYR…NEW MARKET…NEWTON…NORWALK…OSCEOLA…
OSKALOOSA…PELLA…SEYMOUR…STUART AND WINTERSET.

  • PRIMARY THREATS INCLUDE…

    ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE.
    ISOLATED 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 : 10%
PROB OF 10 OR MORE SEVERE WIND EVENTS : 30%
PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 10%
PROB OF 10 OR MORE SEVERE HAIL EVENTS : 30%
PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 30%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 60%
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 443 FOR THE FOLLOWING AREAS

IN IOWA THIS CANCELS 9 COUNTIES

IN CENTRAL IOWA

BOONE DALLAS MARSHALL
STORY TAMA

IN WEST CENTRAL IOWA

AUDUBON CARROLL GREENE
GUTHRIE

THIS INCLUDES THE CITIES OF…ADEL…AMES…AUDUBON…BAYARD…
BOONE…CARROLL…CASEY…DYSART…EXIRA…GLADBROOK…
GUTHRIE CENTER…JEFFERSON…MARSHALLTOWN…PANORA…PERRY…
TAMA…TOLEDO…TRAER AND WAUKEE.

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 MARION COUNTY IN SOUTH CENTRAL IOWA…
    WESTERN MARSHALL COUNTY IN CENTRAL IOWA…
    SOUTHERN STORY COUNTY IN CENTRAL IOWA…
    POLK COUNTY IN CENTRAL IOWA…
    WESTERN JASPER COUNTY IN CENTRAL IOWA…
    NORTHEASTERN WARREN COUNTY IN SOUTH CENTRAL IOWA…
    SOUTHEASTERN BOONE COUNTY IN CENTRAL IOWA…

  • UNTIL 1030 PM CDT

  • AT 926 PM CDT…SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
    EXTENDING FROM AMES TO NEAR ANKENY TO NEAR CARLISLE…MOVING EAST
    AT 30 MPH.

    HAZARD…60 MPH WIND GUSTS.

    SOURCE…RADAR INDICATED. THESE STORMS HAVE A HISTORY OF
    PRODUCING 60 MPH WIND GUSTS.

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

  • LOCATIONS IMPACTED INCLUDE…
    DES MOINES…ANKENY…JOHNSTON…NEWTON…ALTOONA…NORWALK…
    PLEASANT HILL…NEVADA…CARLISLE…BONDURANT…POLK CITY…
    HUXLEY…SAYLORVILLE…MITCHELLVILLE…COLFAX…MONROE…PRAIRIE
    CITY…SLATER…STATE CENTER AND BAXTER.

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.

&&

LAT…LON 4147 9333 4148 9366 4174 9369 4193 9375
4215 9306 4193 9300 4149 9300
TIME…MOT…LOC 0226Z 249DEG 27KT 4205 9363 4178 9358 4150 9354

HAIL…<.75IN
WIND…60MPH

Weather Alerts

Watch County Notification

By National Weather ServiceNo Comments

SEVERE THUNDERSTORM WATCH 443 REMAINS VALID UNTIL 11 PM CDT THIS
EVENING FOR THE FOLLOWING AREAS

IN IOWA THIS WATCH INCLUDES 23 COUNTIES

IN CENTRAL IOWA

BOONE DALLAS JASPER
MARSHALL POLK POWESHIEK
STORY TAMA

IN SOUTH CENTRAL IOWA

CLARKE MADISON MAHASKA
MARION RINGGOLD UNION
WARREN

IN SOUTHWEST IOWA

ADAIR ADAMS CASS
TAYLOR

IN WEST CENTRAL IOWA

AUDUBON CARROLL GREENE
GUTHRIE

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

  • PRIMARY THREATS INCLUDE…

    ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE.
    ISOLATED 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 : 10%
PROB OF 10 OR MORE SEVERE WIND EVENTS : 30%
PROB OF 1 OR MORE WIND EVENTS >= 75 MPH : 10%
PROB OF 10 OR MORE SEVERE HAIL EVENTS : 30%
PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 30%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 60%
MEAN STORM MOTION /MPH/ : E 30

Weather Alerts
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