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SEVERE THUNDERSTORM WATCH CANCELLED

Weather

June 7th, 2015 by Ric Hanson

THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM WATCH 266 FOR THE FOLLOWING AREAS

IN IOWA THIS CANCELS 21 COUNTIES…INCLUDING LOCALLY:

ADAIR CASS AUDUBON CALHOUN CARROLL CRAWFORD GREENE GUTHRIE
SAC

Special Weather Statement: Cass & area Counties

Weather

June 7th, 2015 by Ric Hanson

143 AM CDT SUN JUN 7 2015

GUTHRIE IA-AUDUBON IA-JASPER IA-CASS IA-MADISON IA-WARREN IA-

BOONE IA-STORY IA-DALLAS IA-POLK IA-MARSHALL IA-ADAIR IA-

143 AM CDT SUN JUN 7 2015

…STRONG THUNDERSTORMS TO PASS THROUGH CENTRAL IOWA EARLY THIS MORNING…AT 142 AM CDT…DOPPLER RADAR WAS TRACKING A LINE OF STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 4 MILES SOUTHEAST OF ROLAND TO NEAR GRANGER TO 6 MILES NORTHWEST OF EARLHAM TO 10 MILES SOUTHWEST OF GUTHRIE CENTER…AND MOVING EAST AT 45 MPH. WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE…

DES MOINES…AMES…WEST DES MOINES…ANKENY…URBANDALE…

JOHNSTON…CLIVE…ALTOONA…WAUKEE…NORWALK…PLEASANT HILL…

GRIMES…NEVADA…WINTERSET…ADEL…WINDSOR HEIGHTS…CARLISLE…

BONDURANT…STORY CITY AND POLK CITY.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 AM CDT FOR SOUTHWESTERN IOWA.

 

Special Weather Statement: (Updated) Severe Thunderstorm Watch

Weather

June 7th, 2015 by Ric Hanson

135 AM CDT SUN JUN 7 2015

THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM WATCH 266 FOR THE FOLLOWING AREAS

IN IOWA THIS CANCELS 2 COUNTIES IN SOUTHWEST IOWA

HARRISON SHELBY

 

Special Weather Statement: Flood Watch

Weather

June 7th, 2015 by Ric Hanson

HARRISON-SHELBY-

INCLUDING THE CITIES OF…MISSOURI VALLEY…WOODBINE…LOGAN…

DUNLAP…HARLAN ; 134 AM CDT SUN JUN 7 2015

…FLASH FLOOD WATCH IS CANCELLED…

THE FLASH FLOOD WATCH FOR A PORTION OF SOUTHWEST IOWA HAS BEEN CANCELLED. THE STRONGEST STORMS HAVE MOVED OUT OF THE WATCH AREA AND THE THREAT OF WIDESPREAD FLASH FLOOD HAS DECREASED COMPARED TO SATURDAY EVENING.

 

Weather update: Severe T-storm warning expired

Weather

June 7th, 2015 by Ric Hanson

AUDUBON IA-GUTHRIE IA-

131 AM CDT SUN JUN 7 2015

…THE SEVERE THUNDERSTORM WARNING FOR AUDUBON AND WESTERN GUTHRIE COUNTIES HAS EXPIRED…

THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE LIMITS…AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY. THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE. HOWEVER GUSTY

WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THESE  THUNDERSTORMS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 AM CDT FOR SOUTHWESTERN IOWA.

 

Significant Weather Advisory: Pottawattamie/Harrison/Shelby Counties

Weather

June 7th, 2015 by Ric Hanson

1259 AM CDT SUN JUN 7 2015

SIGNIFICANT WEATHER ADVISORY FOR POTTAWATTAMIE…SOUTHEASTERN HARRISON AND SOUTHWESTERN SHELBY COUNTIES UNTIL 130 AM CDT…

AT 1259 AM CDT…DOPPLER RADAR WAS TRACKING A LINE OF STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR SHELBY TO NEAR TREYNOR…AND MOVING EAST AT 45 MPH. DIME SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE…

OAKLAND…AVOCA…TREYNOR…UNDERWOOD…CARSON…WALNUT…SHELBY… MINDEN…NEOLA…HANCOCK…MCCLELLAND…ARROWHEAD PARK…FARM  CREEK PUBLIC WILDLIFE AREA AND BOTNA BEND PARK.

THIS INCLUDES THE FOLLOWING HIGHWAYS…

HIGHWAY 59 IN IOWA BETWEEN MILE MARKERS 44 AND 64.

INTERSTATE 80 IN IOWA BETWEEN MILE MARKERS 14 AND 48.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 600 AM CDT FOR SOUTHWESTERN IOWA.

 

Severe Thunderstorm Warning: Audubon/Guthrie Counties

Weather

June 7th, 2015 by Ric Hanson

1248 AM CDT SUN JUN 7 2015

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…AUDUBON COUNTY IN WEST CENTRAL IOWA…WESTERN GUTHRIE COUNTY IN WEST CENTRAL IOWA…

* UNTIL 130 AM CDT

* AT 1247 AM CDT…SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE EXTENDING FROM 4 MILES WEST OF COON RAPIDS TO 6 MILES SOUTHWEST OF AUDUBON…MOVING EAST AT 50 MPH.

HAZARD…60 MPH WIND GUSTS.

SOURCE…RADAR INDICATED.

IMPACT…EXPECT DAMAGE TO ROOFS…SIDING AND TREES.

* LOCATIONS IMPACTED INCLUDE…

AUDUBON…GUTHRIE CENTER…LAKE PANORAMA…EXIRA…ELK HORN… BAYARD…KIMBALLTON…BAGLEY…GRAY…AUDUBON COUNTY AIRPORT AND SPRINGBROOK STATE PARK.

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.

Severe Thunderstorm Watch until 6-am Sunday, 6/7/15

Weather

June 6th, 2015 by Ric Hanson

SEVERE THUNDERSTORM WATCH NUMBER 266 – NWS STORM PREDICTION CENTER NORMAN OK – 1120 PM CDT SAT JUN 6 2015

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF WESTERN AND CENTRAL IOWA and a SMALL PART OF EXTREME EASTERN NEBRASKA

* EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 1120 PM UNTIL 600 AM CDT. COUNTIES INCLUDED IN THE WATCH LOCALLY: ADAIR, AUDUBON, CARROLL, CASS, CRAWFORD, DALLAS, GUTHRIE, HARRISON, MADISON, SAC, SHELBY AND UNION.

* PRIMARY THREATS INCLUDE…

SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75 MPH POSSIBLE A TORNADO OR TWO POSSIBLE SUMMARY…AN INCREASINGLY ORGANIZED…BOWING COMPLEX OF THUNDERSTORMS IS EXPECTED TO POSE A PRIMARY RISK OF DAMAGING GUSTS AS IT CROSSES MUCH OF THE WATCH AREA OVERNIGHT. SECONDARILY…THIS ACTIVITY MAY PRODUCE A BRIEF TORNADO AND/OR MARGINALLY SEVERE HAIL.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 55 STATUTE MILES EITHER SIDE OF A LINE FROM 20 MILES NORTH NORTHWEST OF DENISON IOWA TO 35 MILES NORTHEAST OF KNOXVILLE IOWA. 

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.

 

Flash Flood Watch Sat. night through early Sunday morning for counties along & north of I-80 (6/6-7)

Weather

June 6th, 2015 by Ric Hanson

HEAVY RAINFALL COULD CAUSE FLASH FLOODING INTO EARLY SUNDAY MORNING. THUNDERSTORMS WILL DEVELOP ACROSS NORTHEAST NEBRASKA TONIGHT AND ARE EXPECTED TO PERSIST OVER THE REGION INTO THE OVERNIGHT.

Counties in green are included in a Flash Flood Watch

Counties in green are included in a Flash Flood Watch

DUE TO THE INTENSE RAINFALL RATES EXPECTED...A FLASH FLOOD WATCH HAS BEEN ISSUED FOR MONONA-HARRISON-AND SHELBY COUNTIES FROM 7-PM SAT. THROUGH LATE TONIGHT AND EARLY SUNDAY. A FLASH FLOOD WATCH GOES INTO EFFECT AT 8-P.M. FOR SAC-CRAWFORD-CARROLL-AUDUBON-GUTHRIE AND DALLAS COUNTIES IN OUR AREA.

RAINFALL RATES ARE EXPECTED TO BE HIGH AND WILL DROP LOCALLY HEAVY AMOUNTS OF RAIN.

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.

HAZARDOUS WEATHER OUTLOOK: SAT., JUNE 6 2015

Weather

June 6th, 2015 by Ric Hanson

SAC-CRAWFORD-CARROLL-AUDUBON-GUTHRIE-DALLAS-CASS-ADAIR-MADISON-ADAMS-UNION-TAYLOR-RINGGOLD COUNTIES
514 AM CDT SAT JUN 6 2015

TODAY AND TONIGHT: SCATTERED THUNDERSTORMS ARE POSSIBLE THIS MORNING. THE RISK OF SEVERE STORMS IS LOW. ADDITIONAL THUNDERSTORMS ARE LIKELY LATE THIS AFTERNOON AND ESPECIALLY TONIGHT. LARGE HAIL AND DAMAGING WIND ARE THE MAIN THREATS BUT AN ISOLATED TORNADO CANNOT BE RULED OUT ACROSS THE FAR WESTERN OUTLOOK AREA LATE THIS AFTERNOON INTO EARLY EVENING. HEAVY RAINFALL IS POSSIBLE WITH ANY THUNDERSTORM.

MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-PAGE COUNTIES….

TODAY AND TONIGHT: AN AREA OF SHOWERS AND THUNDERSTORMS WILL BE MOVING ACROSS EASTERN NEBRASKA AND SOUTHWEST IOWA THIS MORNING. A FEW STORMS MAY PRODUCE HAIL…GUSTY WINDS AND HEAVY RAIN…BUT ORGANIZED SEVERE STORMS ARE NOT EXPECTED THIS MORNING.

THERE IS A HIGHER CHANCE OF THUNDERSTORMS THIS AFTERNOON AND INTO TONIGHT…AND SOME MAY BE SEVERE. INSTABILITY AND WIND SHEAR WILL BE SUFFICIENT FOR AT LEAST SCATTERED SUPERCELL THUNDERSTORMS BY MID TO LATE AFTERNOON.  THE PRIMARY HAZARDS ARE EXPECTED TO BE LARGE HAIL…DAMAGING WINDS AND LOCALLY HEAVY RAIN. TORNADOES WILL BE POSSIBLE WITH THE STRONGEST STORMS. THIS ACTIVITY WILL BE OCCURRING AHEAD OF A WEAK COLD FRONT THAT WILL PUSH SOUTHEAST ACROSS THE AREA TONIGHT AND SUNDAY.