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Severe storms roll through Iowa with strong winds

News, Weather

August 31st, 2014 by Ric Hanson

DES MOINES, Iowa (AP) – Severe storms swept across Iowa, Sunday, with heavy rains causing some flooding and strong wind gusts snapping tree limbs and affecting power lines. The Des Moines Register said the National Weather Service received a report of one person injured by lightning during the storms Sunday. The Iowa Storm Chasing Network said on its social media page that eastern Iowa storm chaser Danny Murphy was hit by lightening late Sunday afternoon near Denison, but was last reported to have been resting comfortably in the hospital.

Crawford County emergency management coordinator Gregory Miller said several highways were covered at various points during the storm. Heavy rains broke through a farm retention dam in Denison, causing flooding on Iowa Highway 39.

The Omaha World-Herald reported that I-29 was closed when the roof and sidewall blew off a building and into a pickup pulling a trailer. Sioux City Police Sgt. Dane Wagner said the truck toppled, but no one was injured.

Other storm reports from western Iowa, as relayed by law enforcement, the public & media to the National Weather Service:

8:19-p.m. Heavy rain 5 miles e/se of Charter Oak in Crawford Co.; 3.6″ of rain from 6:30-8:15-p.m.

8:15-p.m. Est. 80mph winds in Bayard and Yale in Guthrie Co.; Power poles & lines down.

8:12-p.m. 58mph gust of wind in Audubon.

7:45-p.m. estimated 65mph wind gust 2 miles e. of Earling in Shelby Co.

7:45-p.m. Tstorm wind damage E/SE of Manning in Carroll Co.: Tree limbs down.

7:42-p.m. Flash Flood 5 miles N of Denison. Dam Failure. Huwy 39 closed due to flash flooding.

7:42-p.m. Tstorm wind gust estimated at 60mph in Irwin.

7:40-p.m. 2″ diameter tree limbs down in Templeton (Carroll Co.)

7:32-p.m. Tstorm wind damage 1 mile w. of Denison. Campers tipped over.

7:30-p.m. Funnel cloud reports 1 mile w. of Vail in Crawford Co.

7:30-p.m.  Numerous large trees down in Manning.

7:15-p.m. Tstorm wind gust est. at 63mph in Denison. Multiple trees down, person hit by lightening. Numerous power outages.

7:13-p.m. Tstorm wind damage in Missouri Valley. 5″ dia. tree limbs blown down.

7:09-p.m. 60mph winds in Missouri Valley.

6:56-p.m. est. 50mph wind gust in Dow City (Crawford Co.); 1″ dia. hail also.

Portions of the Tornado Watch are cancelled

Weather

August 31st, 2014 by Ric Hanson

THE NATIONAL WEATHER SERVICE HAS CANCELLED TORNADO WATCH 482 FOR
THE FOLLOWING AREAS

IN IOWA THIS CANCELS 2 COUNTIES

IN SOUTHWEST IOWA

MONTGOMERY PAGE

Svr tstorm warning Page County

Weather

August 31st, 2014 by Ric Hanson

844 PM CDT SUN AUG 31 2014

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
PAGE COUNTY IN SOUTHWEST IOWA…

* UNTIL 915 PM CDT

* AT 844 PM CDT…A SEVERE THUNDERSTORM WAS LOCATED OVER
SHENANDOAH…OR 21 MILES NORTH OF TARKIO…MOVING EAST AT 30 MPH.

HAZARD…60 MPH WIND GUSTS AND QUARTER SIZE HAIL.

SOURCE…RADAR INDICATED.

IMPACT…HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE
TO ROOFS…SIDING AND TREES.

* LOCATIONS IMPACTED INCLUDE…
CLARINDA…SHENANDOAH…ESSEX…COIN…YORKTOWN AND PIERCE
RECREATION AREA.

THIS INCLUDES HIGHWAY 59 IN IOWA NEAR MILE MARKER 13.

Storm Damage reports from 8/31/14

Weather

August 31st, 2014 by Ric Hanson

8:19-p.m. Heavy rain 5 miles e/se of Charter Oak in Crawford Co.; 3.6″ of rain from 6:30-8:15-p.m.

8:15-p.m. Est. 80mph winds in Bayard and Yale in Guthrie Co.; Power poles & lines down.

7:45-p.m. estimated 65mph wind gust 2 miles e. of Earling in Shelby Co.

7:45-p.m. Tstorm wind damage E/SE of Manning in Carroll Co.: Tree limbs down.

7:42-p.m. Flash Flood 5 miles N of Denison. Dam Failure. Huwy 39 closed due to flash flooding.

7:42-p.m. Tstorm wind gust estimated at 60mph in Irwin.

7:40-p.m. 2″ diameter tree limbs down in Templeton (Carroll Co.)

7:32-p.m. Tstorm wind damage 1 mile w. of Denison. Campers tipped over.

7:30-p.m. Funnel cloud reports 1 mile w. of Vail in Crawford Co.

7:30-p.m.  Numerous large trees down in Manning.

7:15-p.m. Tstorm wind gust est. at 63mph in Denison. Multiple trees down, person hit by lightening. Numerous power outages.

7:13-p.m. Tstorm wind damage in Missouri Valley. 5″ dia. tree limbs blown down.

7:09-p.m. 60mph winds in Missouri Valley.

6:56-p.m. est. 50mph wind gust in Dow City (Crawford Co.); 1″ dia. hail also.

 

Svr Tstorm update: NE Pott Co.

Weather

August 31st, 2014 by Ric Hanson

POTTAWATTAMIE IA-
820 PM CDT SUN AUG 31 2014

…THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN POTTAWATTAMIE
COUNTY IS CANCELLED…

THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED.
THEREFORE THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT SUNDAY EVENING FOR
SOUTHWEST IOWA AND EASTERN NEBRASKA.

Svr tstorm update: Shelby Co

Weather

August 31st, 2014 by Ric Hanson

SHELBY IA-
820 PM CDT SUN AUG 31 2014

…A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR NORTHEASTERN SHELBY COUNTY…

AT 819 PM CDT…A SEVERE THUNDERSTORM WAS LOCATED NEAR IRWIN…OR 22
MILES NORTH OF ATLANTIC…MOVING NORTHEAST AT 50 MPH.

HAZARD…60 MPH WIND GUSTS.

SOURCE…RADAR INDICATED.

IMPACT…EXPECT DAMAGE TO ROOFS…SIDING AND TREES.

LOCATIONS IMPACTED INCLUDE…
KIRKMAN.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

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

Svr tstrm update: Carroll/Audubon/Guthrie Co

Weather

August 31st, 2014 by Ric Hanson

822 PM CDT SUN AUG 31 2014

…A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR SOUTHEASTERN CARROLL…SOUTHWESTERN BOONE…NORTHERN AUDUBON…
DALLAS…GUTHRIE AND SOUTHERN GREENE COUNTIES…

AT 821 PM CDT…A SEVERE THUNDERSTORM WAS LOCATED 6 MILES NORTHEAST
OF PANORA…OR 10 MILES SOUTHWEST OF PERRY…MOVING EAST AT 45 MPH.

THIS IS A VERY DANGEROUS STORM.

HAZARD…80 MPH WIND GUSTS AND QUARTER SIZE HAIL.

SOURCE…RADAR INDICATED. AT 815 PM…PUBLIC REPORTED TREES DOWN IN
JEFFERSON.

Svr T-storm warning: Page/Fremont Counties

Weather

August 31st, 2014 by Ric Hanson

BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
819 PM CDT SUN AUG 31 2014

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
WESTERN PAGE COUNTY IN SOUTHWEST IOWA…
SOUTHEASTERN FREMONT COUNTY IN SOUTHWEST IOWA…

* UNTIL 845 PM CDT

* AT 818 PM CDT…A SEVERE THUNDERSTORM WAS LOCATED OVER 3 MILES
SOUTHWEST OF RIVERTON… OR 18 MILES NORTHWEST OF TARKIO…MOVING
EAST AT 35 MPH.

HAZARD…60 MPH WIND GUSTS AND QUARTER SIZE HAIL.

SOURCE…RADAR INDICATED.

IMPACT…HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE
TO ROOFS…SIDING AND TREES.

* LOCATIONS IMPACTED INCLUDE…
SHENANDOAH…HAMBURG…SIDNEY…ESSEX…FARRAGUT…RIVERTON…
COIN…YORKTOWN…WAUBONSIE STATE PARK AND PIERCE RECREATION AREA.

THIS INCLUDES THE FOLLOWING HIGHWAYS…
HIGHWAY 59 IN IOWA BETWEEN MILE MARKERS 4 AND 16.
INTERSTATE 29 NEAR MILE MARKER 1.

Tornado Warning Fremont County

Weather

August 31st, 2014 by Ric Hanson

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* TORNADO WARNING FOR…
CENTRAL FREMONT COUNTY IN SOUTHWEST IOWA…

* UNTIL 830 PM CDT

* AT 803 PM CDT…A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED 2 MILES EAST OF NEBRASKA CITY…OR 28 MILES
NORTHWEST OF TARKIO…MOVING NORTHEAST AT 45 MPH.

HAZARD…TORNADO AND QUARTER SIZE HAIL.

SOURCE…RADAR INDICATED ROTATION.

IMPACT…FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED.
DAMAGE TO ROOFS…WINDOWS AND VEHICLES WILL OCCUR. TREE
DAMAGE IS LIKELY.

* THIS DANGEROUS STORM WILL BE NEAR…
SIDNEY AROUND 815 PM CDT.
RIVERTON AROUND 820 PM CDT.
FARRAGUT AROUND 825 PM CDT.
SHENANDOAH AROUND 830 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
WAUBONSIE STATE PARK…THURMAN AND TABOR.

THIS INCLUDES THE FOLLOWING HIGHWAYS…
HIGHWAY 59 IN IOWA NEAR MILE MARKER 13.
INTERSTATE 29 BETWEEN MILE MARKERS 7 AND 17.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME…A
VEHICLE OR OUTDOORS…MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.

Svr Tstorm warning: Audubon/Guthrie/Dallas Counties

Weather

August 31st, 2014 by Ric Hanson

802 PM CDT SUN AUG 31 2014

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
SOUTHEASTERN CARROLL COUNTY IN WEST CENTRAL IOWA…
SOUTHWESTERN BOONE COUNTY IN CENTRAL IOWA…
NORTHERN AUDUBON COUNTY IN WEST CENTRAL IOWA…
DALLAS COUNTY IN CENTRAL IOWA…
GUTHRIE COUNTY IN WEST CENTRAL IOWA…
SOUTHERN GREENE COUNTY IN WEST CENTRAL IOWA…

* UNTIL 900 PM CDT

* AT 802 PM CDT…A SEVERE THUNDERSTORM WAS LOCATED 7 MILES SOUTHEAST
OF COON RAPIDS…OR 8 MILES NORTHWEST OF GUTHRIE CENTER…MOVING
EAST AT 50 MPH.

THIS IS A VERY DANGEROUS STORM.

HAZARD…80 MPH WIND GUSTS AND QUARTER SIZE HAIL.

SOURCE…RADAR INDICATED.

IMPACT…FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE HEAVILY DAMAGED. EXPECT
CONSIDERABLE DAMAGE TO ROOFS…WINDOWS AND VEHICLES.
EXTENSIVE TREE DAMAGE AND POWER OUTAGES ARE LIKELY.

* LOCATIONS IMPACTED INCLUDE…
WEST DES MOINES…URBANDALE…CLIVE…WAUKEE…GRIMES…PERRY…
JEFFERSON…ADEL…AUDUBON…GUTHRIE CENTER…MADRID…STUART…
DALLAS CENTER…COON RAPIDS…GRANGER…GLIDDEN…PANORA…DE
SOTO…WOODWARD AND VAN METER.

THIS INCLUDES INTERSTATE 80 BETWEEN MILE MARKERS 100 AND 121.

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.

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER…IF YOU CAN
HEAR THUNDER…YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

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