POTTAWATTAMIE IA-SHELBY IA-
533 AM CDT MON SEP 1 2014

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* FLOOD WARNING FOR…
NORTHEASTERN POTTAWATTAMIE COUNTY IN SOUTHWEST IOWA…
CENTRAL SHELBY COUNTY IN SOUTHWEST IOWA…

* UNTIL 1130 AM CDT

* AT 532 AM CDT…THE STAGE OF THE WEST NISHNABOTNA RIVER AT HARLAN
WAS AT THE FLOOD STAGE OF 15.2 FEET. THIS HIGH WATER SHOULD WORK
ITS WAY DOWN TO HANCOCK THIS MORNING. SMALL RISES ARE POSSIBLE YET
THIS MORNING AROUND HARLAN BUT THE RIVER SHOULD DROP BELOW FLOOD
STAGE BETWEEN HARLAN AND HANCOCK BY AROUND NOON.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…
HARLAN…AVOCA…HANCOCK…NISHNA BEND RECREATION AREA AND BOTNA
BEND PARK.

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345 AM CDT MON SEP 1 2014

**Flash Flood Watch no longer in effect**

EARLY THIS MORNING…MOSTLY CLOUDY WITH SCATTERED THUNDERSTORMS. SOUTHWEST WIND 5 TO 10 MPH. CHANCE OF THUNDERSTORMS 40 PERCENT.

TODAY…MOSTLY CLOUDY IN THE MORNING THEN BECOMING MOSTLY SUNNY. HIGH IN THE UPPER 70S. NORTHWEST WIND 5 TO 10 MPH.

TONIGHT…PARTLY CLOUDY. LOW IN THE UPPER 50S. WEST WIND NEAR 5 MPH.

TUESDAY…SUNNY. HIGH IN THE LOWER 80S. WEST WIND NEAR 10 MPH.

TUESDAY NIGHT…MOSTLY CLEAR. A 20 PERCENT CHANCE OF THUNDERSTORMS AFTER MIDNIGHT. LOW IN THE MID 60S. SOUTH WIND 5 TO 10 MPH.

WEDNESDAY…MOSTLY SUNNY. BREEZY. HIGH IN THE UPPER 80S. SOUTH WIND 5 TO 15 MPH INCREASING TO 15 TO 20 MPH IN THE AFTERNOON.

WEDNESDAY NIGHT…PARTLY CLOUDY. LOW IN THE LOWER 70S.

THURSDAY…PARTLY SUNNY WITH A 20 PERCENT CHANCE OF THUNDERSTORMS. HIGH IN THE UPPER 80S.

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.

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

IN IOWA THIS CANCELS 2 COUNTIES

IN SOUTHWEST IOWA

MONTGOMERY PAGE

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.

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.

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.

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.

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.