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Flash Flood Watch Continues until 7-a.m. today (5/12)

Weather

May 12th, 2014 by Ric Hanson

337 AM CDT MON MAY 12 2014

…THUNDERSTORMS TO PRODUCE LOCALLY HEAVY RAIN EARLY TODAY…

.SCATTERED THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL HAVE REDEVELOPED OVER WESTERN IOWA. THESE STORMS COULD BRING ANOTHER 1 TO 2 INCHES OF RAINFALL IN SOME SPOTS WITH RAINFALL RATES NEAR 2 INCHES PER HOUR AS HEAVIER STORMS MOVE THROUGH.

AREA COUNTIES: SAC-CRAWFORD-CARROLL–AUDUBON-GUTHRIE-DALLAS-CASS-ADAIR-MADISON-ADAMS-UNION-TAYLOR-RINGGOLD-

FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 7 AM CDT THIS MORNING

* THUNDERSTORMS WILL PRODUCE HEAVY RAINFALL EARLY THIS MORNING. LOCALIZED AMOUNTS OF TWO INCHES MAY OCCUR. THIS WILL LEAD TO THE POTENTIAL FOR FLASH FLOODING…PARTICULARLY IN URBAN AND HILLY AREAS.

* FLASH FLOODING WILL POSE A DANGER TO ANYONE NEAR WATERWAYS AND LOW LYING AREAS…AND MAY AFFECT TRAVEL AS SOME ROADS COULD BE FLOODED.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED.

FLASH FLOOD WARNING UPDATE:

Weather

May 11th, 2014 by Ric Hanson

CRAWFORD IA-CASS IA-CARROLL IA-AUDUBON IA-
1057 PM CDT SUN MAY 11 2014

…THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 AM CDT MONDAY
FOR SOUTHEASTERN CRAWFORD…CASS…SOUTHWESTERN CARROLL AND AUDUBON
COUNTIES…

AT 1056 PM CDT…DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE
ALREADY FALLEN.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…
ATLANTIC…AUDUBON…MANNING…GRISWOLD…ANITA…EXIRA…MANILLA…
ELK HORN…LEWIS…TEMPLETON…MASSENA…KIMBALLTON…DEDHAM…
CUMBERLAND…HALBUR…BRAYTON…MARNE…WIOTA…GRAY AND ASPINWALL.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

Severe Thunderstorm Warning: Southern Cass/Western Adams Counties

Weather

May 11th, 2014 by Ric Hanson

BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
1045 PM CDT SUN MAY 11 2014

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
SOUTHERN CASS COUNTY IN SOUTHWEST IOWA…
WESTERN ADAMS COUNTY IN SOUTHWEST IOWA…

* UNTIL 1130 PM CDT

* AT 1044 PM CDT…A SEVERE THUNDERSTORM WAS LOCATED NEAR STANTON…
OR 18 MILES WEST OF CORNING…MOVING EAST AT 35 MPH.

HAZARD…60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL.

SOURCE…RADAR INDICATED.

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

* LOCATIONS IMPACTED INCLUDE…
CORNING…LAKE ICARIA…MASSENA…CUMBERLAND…NODAWAY…CARBON…
LAKE ICARIA STATE PARK AND CORNING MUNICIPAL AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT MONDAY MORNING FOR
IOWA.

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.

Special Weather Statement: ponding of water & flooding

Weather

May 11th, 2014 by Ric Hanson

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
1038 PM CDT SUN MAY 11 2014

IAZ058-059-071-072-081-082-120545-
GUTHRIE-DALLAS-ADAIR-MADISON-ADAMS-UNION-
INCLUDING THE CITIES OF…GUTHRIE CENTER…PANORA…BAYARD…
CASEY…PERRY…WAUKEE…ADEL…GREENFIELD…STUART…ADAIR…
FONTANELLE…WINTERSET…EARLHAM…CORNING…CRESTON
1038 PM CDT SUN MAY 11 2014

…HEAVY RAINFALL MAY LEAD TO LOCALIZED PONDING OF WATER…

A LINE OF TRAINING STORMS WILL PRODUCE HEAVY RAINFALL OVER
PORTIONS OF WESTERN IOWA. THIS MAY LEAD TO LOCALIZED PONDING OF
WATER IN LOW LYING AREAS AND PLACES WITH POOR DRAINAGE. PLEASE
DRIVE WITH CAUTION AND DO NOT DRIVE INTO FLOODED ROADS. REPORT
ANY FLOODING TO THE NATIONAL WEATHER SERVICE AND LOCAL LAW
ENFORCEMENT.

MONTGOMERY COUNTY TORNADO WARNING UPDATE

Weather

May 11th, 2014 by Ric Hanson

MONTGOMERY IA-
1038 PM CDT SUN MAY 11 2014

…A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR
MONTGOMERY COUNTY…

AT 1037 PM CDT…A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER STANTON…OR 27 MILES SOUTH OF ATLANTIC…MOVING
NORTHEAST AT 40 MPH. PEOPLE IN STANTON SHOULD TAKE COVER NOW!!!

HAZARD…TORNADO AND GOLF BALL 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 TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
MONTGOMERY COUNTY…INCLUDING THE FOLLOWING LOCATIONS…COBURG…
GRANT AND VIKING LAKE STATE PARK.

SEVERE THUNDERSTORM WARNING UPDATE

Weather

May 11th, 2014 by Ric Hanson

WEBSTER IA-WARREN IA-BOONE IA-DALLAS IA-MADISON IA-STORY IA-
GUTHRIE IA-ADAIR IA-HAMILTON IA-POLK IA-UNION IA-GREENE IA-
1031 PM CDT SUN MAY 11 2014

…A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR SOUTHEASTERN WEBSTER…WARREN…BOONE…DALLAS…MADISON…
STORY…EASTERN GUTHRIE…EASTERN ADAIR…SOUTHERN HAMILTON…POLK…
NORTHWESTERN UNION AND EASTERN GREENE COUNTIES…

AT 1031 PM CDT…SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 11 MILES NORTHWEST OF BOONE TO CLIVE TO NEAR AVENUE OF
THE SAINTS EVENT CENTER…MOVING EAST AT 50 MPH.

HAZARD…60 MPH WIND GUSTS AND QUARTER SIZE HAIL.

TORNADO WARNING: MONTGOMERY COUNTY

Weather

May 11th, 2014 by Ric Hanson

BULLETIN – EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
1027 PM CDT SUN MAY 11 2014

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* TORNADO WARNING FOR…
MONTGOMERY COUNTY IN SOUTHWEST IOWA…

* UNTIL 1100 PM CDT

* AT 1027 PM CDT…A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED NEAR RED OAK…OR 32 MILES SOUTH OF ATLANTIC…
MOVING NORTHEAST AT 40 MPH.

HAZARD…TORNADO AND HALF DOLLAR SIZE HAIL.

SOURCE…RADAR INDICATED ROTATION.

STORM REPORT 5/12/14

Weather

May 11th, 2014 by Ric Hanson

Here are some reports on Sunday’s significant storms as relayed by the National Weather Service:

11:05-p.m. Thunderstorm wind damage 2 miles nw of Panora: Outbuilding destroyed, roof thrown 40-yards.

10:38-p.m. 3-miles NE of Yale in Guthrie County: Large tree snapped in-half.

10:30-p.m. 2 miles s of Red Oak, golf ball-sized hail.

10:22-p.m. Rainfall in Atlantic since 7-a.m Sunday 1.6-inches.

10:10-p.m. Thunderstorm wind damage in Panora: structural damage to a home at Lake Panorama & possible damage between Yale and Panora.

10:00-p.m. Half-dollar sized hail in Randolph (Fremont County)

9:55-p.m. T-storm wind damage 2 miles w/nw of Panora: 2 1/2′ diameter trees uprooted; dock destroyed; numerous trees down.; funnel cloud spotted 3 miles nw of Panora at the same time.

9:45-p.m.  Baseball-sized hail 2 miles west of Thurman in Fremont County

9:42-p.m. Golf ball-sized hail 2 miles west of Thurman

9:40-p.m. Quarter-sized hail 6 miles w/sw of Thurman.

9:26-p.m. Street flooding reported in Atlantic

8:58-p.m. 60-mph thunderstorm wind gust 1 mile w/nw of Marne in Cass County.

SEVERE THUNDERSTORM WARNING UNTIL 11-PM

Weather

May 11th, 2014 by Ric Hanson

BULLETIN – IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
1003 PM CDT SUN MAY 11 2014

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…
SOUTHEASTERN WEBSTER COUNTY IN CENTRAL IOWA…
WARREN COUNTY IN SOUTH CENTRAL IOWA…
BOONE COUNTY IN CENTRAL IOWA…
DALLAS COUNTY IN CENTRAL IOWA…
MADISON COUNTY IN SOUTH CENTRAL IOWA…
STORY COUNTY IN CENTRAL IOWA…
EASTERN GUTHRIE COUNTY IN WEST CENTRAL IOWA…
EASTERN ADAIR COUNTY IN SOUTHWEST IOWA…
SOUTHERN HAMILTON COUNTY IN CENTRAL IOWA…
POLK COUNTY IN CENTRAL IOWA…
NORTHWESTERN UNION COUNTY IN SOUTH CENTRAL IOWA…
EASTERN GREENE COUNTY IN WEST CENTRAL IOWA…

* UNTIL 1100 PM CDT

* AT 1002 PM CDT…SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 7 MILES NORTH OF JEFFERSON TO STUART TO 8 MILES
NORTHWEST OF GREEN VALLEY LAKE…MOVING EAST AT 50 MPH.

HAZARD…60 MPH WIND GUSTS AND NICKEL SIZE HAIL.

SOURCE…RADAR INDICATED.

TORNADO WARNING: GUTHRIE/DALLAS COUNTY

Weather

May 11th, 2014 by Ric Hanson

BULLETIN – EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
959 PM CDT SUN MAY 11 2014

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* TORNADO WARNING FOR…
SOUTHWESTERN BOONE COUNTY IN CENTRAL IOWA…
NORTHWESTERN DALLAS COUNTY IN CENTRAL IOWA…
NORTHEASTERN GUTHRIE COUNTY IN WEST CENTRAL IOWA…
SOUTHEASTERN GREENE COUNTY IN WEST CENTRAL IOWA…

* UNTIL 1045 PM CDT

* AT 959 PM CDT…A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED OVER LAKE PANORAMA…OR 7 MILES NORTHEAST OF
GUTHRIE CENTER…MOVING NORTHEAST AT 40 MPH.

HAZARD…TORNADO.

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.

* LOCATIONS IMPACTED INCLUDE…
PERRY…PANORA…LAKE PANORAMA…GRAND JUNCTION…RIPPEY…YALE…
JAMAICA…DAWSON…BERKLEY…LAKIN SLOUGH GAME MANAGEMENT AREA…
SPRINGBROOK STATE PARK AND PERRY MUNICIPAL AIRPORT