Today: Isolated showers and thunderstorms between 9am and 4pm. Increasing clouds, with a high near 80. Northeast wind 9 to 13 mph. Chance of precipitation is 20%.
Tonight: Partly cloudy, with a low around 56. Northeast wind 5 to 10 mph becoming light in the evening.
Wednesday: Sunny, with a high near 82. Calm wind becoming east around 5 mph.
Wednesday Night: Partly cloudy, with a low around 61. Southeast wind 3 to 5 mph.
Thursday: Mostly sunny, with a high near 83. South wind 5 to 9 mph.
Thursday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
906 PM CDT MON JUL 22 2013
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN ADAIR COUNTY IN SOUTHWEST IOWA...
SOUTHERN DALLAS COUNTY IN CENTRAL IOWA...
SOUTHEASTERN GUTHRIE COUNTY IN WEST CENTRAL IOWA...
WESTERN JASPER COUNTY IN CENTRAL IOWA...
NORTHERN MADISON COUNTY IN SOUTH CENTRAL IOWA...
POLK COUNTY IN CENTRAL IOWA...
NORTHERN WARREN COUNTY IN SOUTH CENTRAL IOWA...
* UNTIL 1000 PM CDT
* AT 905 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM COLFAX TO 8 MILES SOUTH OF GUTHRIE CENTER...AND
MOVING SOUTHEAST AT 25 MPH.
HAZARD...QUARTER SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...TRAINED WEATHER SPOTTERS.
IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO
ROOFS...SIDING AND TREES.
SEVERE THUNDERSTORM WATCH 430…PREVIOUSLY IN EFFECT UNTIL 10 PM CDT THIS EVENING…IS NOW IN EFFECT UNTIL MIDNIGHT CDT TONIGHT FOR THE FOLLOWING AREAS
IN IOWA THIS WATCH INCLUDES 28 COUNTIES
IN CENTRAL IOWA
BOONE DALLAS JASPER MARSHALL POLK POWESHIEK STORY
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 GREENE GUTHRIE
THIS INCLUDES THE CITIES OF…ADEL…ALBIA…AMES…ATLANTIC… AUDUBON…BEDFORD…BLOOMFIELD…BOONE…CENTERVILLE…CHARITON…CORNING…CORYDON…CRESTON…DES MOINES…GREENFIELD…GRINNELL…GUTHRIE CENTER…INDIANOLA…JEFFERSON… KNOXVILLE…LAMONI…MARSHALLTOWN…MOUNT AYR…NEWTON…OSCEOLA… OSKALOOSA…OTTUMWA AND WINTERSET.
Hail events reported to and from the National Weather Service include:
9:04-p.m. Quarter-sized hail reported by spotters in Guthrie Center.
8:30-p.m. Quarter-sized hail and winds of 40-50mph near Bagley, in Guthrie County.
8:22-p.m. Nickel -to Quarter-size hail at Avoca in Pottawattamie Co.
8:12-p.m. Quarter-sized hail 3 miles NE of Shelby in Shelby County.
7:17-p.m. 1/2 dollar-sized hail 4 miles South of Missouri Valley in Pottawattamie Co.
7:10-p.m. Quarter-to half-dollar sized hail 1 mile S. of Missouri Valley in Harrison Co.
BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
827 PM CDT MON JUL 22 2013
THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR…
NORTHERN DALLAS COUNTY IN CENTRAL IOWA…
GUTHRIE COUNTY IN WEST CENTRAL IOWA…
NORTHERN POLK COUNTY IN CENTRAL IOWA…
* UNTIL 915 PM CDT
* AT 823 PM CDT…SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES SOUTHWEST OF NEVADA TO 5 MILES SOUTHEAST OF
COON RAPIDS…AND MOVING SOUTHEAST AT 20 MPH.
HAZARD…PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE…RADAR INDICATED.
IMPACT…PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL
DAMAGE TO ROOFS…SIDING…WINDOWS AND VEHICLES. EXPECT
WIND DAMAGE TO ROOFS…SIDING AND TREES.
* LOCATIONS IMPACTED INCLUDE…
PERRY…WOODWARD…GUTHRIE CENTER…PANORA…POLK CITY…DALLAS
CENTER…ANKENY…JOHNSTON…DAWSON…BOUTON…PERRY AIRPORT…
YALE…ALLEMAN…MINBURN…GRANGER…ELKHART…SAYLORVILLE LAKE AND
LINDEN.
THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 90 AND 102.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER…INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.
The Severe Thunderstorm Watch in effect until 10-p.m., has been expanded to include Adair, Adams, Cass, Fremont, Mills, Montgomery, Page, Union and Taylor Counties. It also includes Pottawattamie, Harrison, Shelby, Audubon, Guthrie and Dallas Counties, in the immediate listening area.
COUNTIES: SAC-CRAWFORD-CARROLL-AUDUBON-GUTHRIE-DALLAS-CASS-ADAIR-MADISON-
347 PM CDT MON JUL 22 2013
A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 10-P.M. PRIMARILY FOR THOSE COUNTIES ALONG AND NORTH OF INTERSTATE 80.
THIS AFTERNOON AND TONIGHT:
SCATTERED THUNDERSTORMS WILL CONTINUE ALONG A COLD FRONT INTO EARLY EVENING. A FEW STORMS MAY BECOME SEVERE WITH GOLF BALL SIZED HAIL AND 60 MPH OR GREATER WINDS.
.SPOTTER INFORMATION STATEMENT…
SPOTTER ACTIVATION MAY BE REQUIRED UNTIL 10 PM.
310 PM CDT MON JUL 22 2013 SEVERE THUNDERSTORM WATCH 430 IS IN EFFECT UNTIL 1000 PM CDT FOR THE FOLLOWING LOCATIONS IN IA… . IOWA COUNTIES INCLUDED ARE:
AUDUBON BOONE BUENA VISTA BUTLER CALHOUN CARROLL CERRO GORDO CHEROKEE CLAY CRAWFORD FRANKLIN GREENE GRUNDY GUTHRIE HAMILTON HANCOCK HARDIN HARRISON HUMBOLDT IDA KOSSUTH MARSHALL MONONA PALO ALTO PLYMOUTH POCAHONTAS POTTAWATTAMIE SAC SHELBY STORY WEBSTER WINNEBAGO WOODBURY WORTH WRIGHT.
PRIMARY THREATS INCLUDE…
SEVERAL DAMAGING WIND GUSTS WITH A FEW SIGNIFICANT GUSTS TO 75 MPH POSSIBLE SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES SOUTHEAST OF MASON CITY IOWA TO 30 MILES WEST OF TEKAMAH NEBRASKA.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
REMEMBER…A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES.
Strong, slow-moving storms brought downpours of rain and hail to some parts of the KJAN listening area, Sunday evening. The storms began to form over parts of Audubon and Guthrie Counties at around 3:45-p.m., with the first warning coming in at 4:15.
A few minutes later, law enforcement reported golf ball-sized hail had fallen 6-miles north/northeast of the Audubon Municipal Airport. A separate batch of storms forming over far western Pottawattamie County brought Nickel-sized hail just before 5-p.m., to an area 4-miles northeast of Council Bluffs. And, just after 5-p.m., the storms which lingered over Audubon County, brought quarter-sized hail to an area 3-miles south/southeast of the Audubon Airport.
There were no immediate reports of damage.
Thunderstorms are expected to move into northern Iowa by mid to late morning as a cold front approaches from the northwest.
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