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Flash Flood Warning Cancelled

Weather

August 28th, 2014 by Ric Hanson

720 AM CDT THU AUG 28 2014

THE FLASH FLOOD WARNING FOR RINGGOLD…TAYLOR…SOUTHERN UNION AND
SOUTHEASTERN ADAMS COUNTIES IS CANCELLED...

THE HEAVY RAIN HAS ENDED…AND FLOODING IS NO LONGER EXPECTED TO
POSE A THREAT. HOWEVER…SHOULD ADDITIONAL THUNDERSTORMS DEVELOP
AND PRODUCE HEAVY RAINFALL OVER THE SAME AREA YET THIS MORNING…THE
COMBINATION OF THE RAIN THAT FELL IN PREVIOUS DAYS AND OVERNIGHT AND
THE ALREADY SATURATED SOILS MEANS THAT IT WILL NOT TAKE MUCH TO
PRODUCE FLASH FLOODING. REMEMBER THAT A FLASH FLOOD WATCH STILL
REMAINS IN EFFECT FOR YOUR AREA.

Small Stream Flood Advisory for Monona/Harrison/Shelby Counties

Weather

August 28th, 2014 by Ric Hanson

715 AM CDT THU AUG 28 2014

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SMALL STREAM FLOOD ADVISORY FOR…
SOUTHEASTERN MONONA COUNTY IN WEST CENTRAL IOWA…
HARRISON COUNTY IN SOUTHWEST IOWA…
NORTHWESTERN SHELBY COUNTY IN SOUTHWEST IOWA…

* UNTIL 915 AM CDT

* AT 710 AM CDT…DOPPLER RADAR INDICATED HEAVY RAIN HAD DUMPED 1 TO
2 INCHES OF RAIN OVERNIGHT…AND COMBINED WITH RECENT RAINS…MUCH
OF THAT RAIN HAS CAUSED MINOR FLOODING OF SMALL STREAMS AND
COUNTRY ROADS. SOME AREAS FROM LOGAN TO DUNLAP COULD SEE ANOTHER
INCH OF RAIN BEFORE IT ENDS FROM WEST TO EAST.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…
MISSOURI VALLEY…LOGAN…MONDAMIN…UTE…MODALE…PISGAH…
MOORHEAD…WOODBINE…DUNLAP…MAGNOLIA…SOLDIER…LITTLE SIOUX…
PELICAN POINT STATE RECREATION AREA…SCHABEN PARK…PREPARATION
CANYON STATE PARK…LITTLE SIOUX SCOUT RANCH…HISTORICAL VILLAGE
WELCOME CENTER…WILLOW LAKE RECREATION AREA AND MANTENO RECREATION
AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS…AS WELL AS FARM AND COUNTRY ROADS. DO NOT
ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES.

Small Stream Flood Advisory until 8:15-a.m.

Weather

August 28th, 2014 by Ric Hanson

POTTAWATTAMIE IA-MONTGOMERY IA-MILLS IA-
613 AM CDT THU AUG 28 2014

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SMALL STREAM FLOOD ADVISORY FOR…
SOUTHEASTERN POTTAWATTAMIE COUNTY IN SOUTHWEST IOWA…
MONTGOMERY COUNTY IN SOUTHWEST IOWA…
EASTERN MILLS COUNTY IN SOUTHWEST IOWA…

* UNTIL 815 AM CDT

* AT 610 AM CDT…DOPPLER RADAR INDICATED THUNDERSTORMS WITH HEAVY
RAIN HAD DROPPED 1 TO 2 INCHES OF RAIN FROM NEAR MALVERN TO
HENDERSON AND EMERSON. THIS AREA OF STORMS WILL SWEEP ACROSS
MONTGOMERY AND EASTERN POTTAWATTAMIE COUNTIES…PRODUCING OVER 2
INCHES OF RAINFALL IN SOME AREAS. RAIN TOTALS COULD REACH 3 INCHES
BEFORE THE RAIN LETS UP. THIS WILL LEAD TO FLOODING OF SMALL
CREEKS AND STREAMS…AS WELL AS FARM AND COUNTY ROADS.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…
RED OAK…MALVERN…STANTON…EMERSON…ELLIOTT…HENDERSON…
HASTINGS…GRANT AND FARM CREEK PUBLIC WILDLIFE AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS…AS WELL AS FARM AND COUNTRY ROADS. DO NOT
ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES.

Skyscan Forecast: Thu., 8/28/14

Weather

August 28th, 2014 by Ric Hanson

Flash Flood Watch Until Noon; Flood Advisory for parts of Pott. & Mills Counties until 8-a.m.; Flash Flood Warning for parts of Adams, Union, Taylor & Ringgold Counties until 10:30-a.m.**
Today: Showers and thunderstorms, mainly before 1pm. Some of the storms could produce heavy rain. High 78. S @ 5-10. New rainfall amounts between 1 and 2 inches possible.
Tonight: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy. Low 68. S @ 5-10. New rainfall amounts between a quarter and half of an inch possible.

Friday: A 50 percent chance of showers and thunderstorms. Mostly cloudy. High 79. S-SW @ 5-10. New rainfall amounts between a quarter and half of an inch possible.
Fri. Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 62. Light and variable wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday: Mostly sunny, with a high near 82. Light and variable wind becoming west northwest around 5 mph.

Sunday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.

Rainfall report (8/28/14)

Weather

August 28th, 2014 by Ric Hanson

Rainfall update for Atlantic:  .6″ of rain since 7-a.m. today, bringing the storm system total to 2.81″ as of 12-p.m.

In Atlantic, at the KJAN studios [Official Nat'l. Weather Service reporting site], we received 2.21″ of rain from 7-a.m. Wed. thru 7-a.m. today (8/28). 2 miles NW of Atlantic, 2.16″.

Other reports from NWS observers & area media include (24-hour total as of 7-a.m. unless otherwise indicated):

1.5 miles south of Avoca, .9″; Audubon, .75″; 1 mile north of Beaconsfield (Taylor Co.), 1.4″;  south of Bedford (Taylor Co.), 2.52″ (as of 6-am); 1 mile west of Blockton (Taylor Co.), 1.74“; Clarinda, 2.7″; 5 miles east/south of Denison, 1.42″‘ Emerson, 2.2″; Irwin, 1.08″; 3 miles east of Manning (Carroll Co.), 1.18″; Massena, .63″; 1 mile south of Mt. Ayr, 1.23″; Red Oak, 1″; Treynor, 3.1″; Villisca, 1.42″.

Flood Advisory for SE Pott./Northern Mills Counties

Weather

August 28th, 2014 by Ric Hanson

POTTAWATTAMIE IA-MILLS IA-SARPY NE- 456 AM CDT THU AUG 28 2014

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A URBAN AND SMALL STREAM FLOOD ADVISORY FOR… SOUTHEASTERN POTTAWATTAMIE COUNTY and… NORTHERN MILLS COUNTY IN SOUTHWEST IOWA, as well as NORTHEASTERN SARPY COUNTY IN EAST CENTRAL NEBRASKA… UNTIL 800 AM CDT

AT 452 AM CDT…DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED HEAVY RAIN DUE TO THUNDERSTORMS SPREADING INTO WEST CENTRAL IOWA. ONE TO TWO INCHES OF RAIN HAS FALLEN FROM AROUND BELLEVUE TO GLENWOOD…AND AN ADDITIONAL INCH OR SO COULD FALL EARLY THIS MORNING. MANY AREAS WILL SEE BETWEEN 2 AND 3 INCHES OF RAIN FROM BELLEVUE AND GLENWOOD INTO POTTAWATTAMIE COUNTY NEAR OAKLAND. FLOODING OF SMALL STREAMS AND LOW WATER CROSSINGS IS LIKELY.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE… SOUTHEASTERN COUNCIL BLUFFS…BELLEVUE…GLENWOOD…OAKLAND… TREYNOR…CARSON…PACIFIC JUNCTION…MACEDONIA…OFFUTT AFB… SILVER CITY…HENDERSON…MCCLELLAND…LAKE MANAWA STATE PARK… CAMP MAHA…OLD TOWN PARK AND FARM CREEK PUBLIC WILDLIFE AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS… EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS…AS WELL AS FARM AND COUNTRY ROADS. DO NOT ATTEMPT TO TRAVEL ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES.

Flash Flood Warning: Adams/Union/Taylor/Ringgold Counties

Weather

August 28th, 2014 by Ric Hanson

428 AM CDT THU AUG 28 2014

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A FLASH FLOOD WARNING FOR…RINGGOLD COUNTY -TAYLOR COUNTY – SOUTHERN UNION COUNTY and SOUTHEASTERN ADAMS COUNTY…UNTIL 1030 AM CDT THURSDAY

AT 427 AM CDT…DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. UP TO TWO INCHES OF RAIN HAVE ALREADY FALLEN WITH LOCALLY HIGHER AMOUNTS POSSIBLE. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE… MOUNT AYR…BEDFORD…LENOX…SUN VALLEY LAKE…CLEARFIELD… DIAGONAL…KELLERTON…BLOCKTON…GRAVITY…TINGLEY…ARISPE…SHARPSBURG…REDDING…SHANNON CITY…KENT…ELLSTON…BENTON…CONWAY…MALOY AND DELPHOS.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

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

Flash Flood Watch for all of southwest/western Iowa (8/28)

News, Weather

August 28th, 2014 by Ric Hanson

A FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL NOON TODAY (8/28) FOR ALL OF THE COUNTIES IN THE KJAN LISTENING AREA. 

Flash Flood Watch for counties shown in green.

Flash Flood Watch for counties shown in green.

WIDESPREAD RAINFALL AMOUNTS OF 1 TO 2 INCHES WITH LOCALLY HIGHER AMOUNTS UP TO 3 INCHES ARE POSSIBLE OVERNIGHT THROUGH MIDDAY THURSDAY. THESE THUNDERSTORMS WILL BE EFFICIENT RAIN PRODUCERS…MEANING THE ENVIRONMENT IS SUITED FOR RAINFALL RATES IN EXCESS OF 1 TO 2 INCHES PER HOUR AT TIMES.

WITH THE ANTICIPATED RAINFALL RATES ON TOP OF AN ALREADY VERY SATURATED GROUND…A FLASH FLOOD COULD OCCUR IN A VERY SHORT TIME FRAME AND IS ESPECIALLY DANGEROUS AT NIGHT.

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 Watch in effect 3-a.m. Thursday

News, Weather

August 27th, 2014 by Ric Hanson

353 PM CDT WED AUG 27 2014

…HEAVY RAIN FOR WEST-CENTRAL IOWA THURSDAY MORNING…

WIDESPREAD THUNDERSTORMS ARE FORECAST TO DEVELOP OVER SOUTHWEST IOWA AND SPREAD NORTHEAST OVERNIGHT TONIGHT INTO THURSDAY MORNING. MODERATE TO LOCALLY HEAVY RAINFALL TOTALS ARE ANTICIPATED BY MIDDAY THURSDAY WHERE A WIDESPREAD 1 TO 2 INCHES WILL BE COMMON.

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

FLASH FLOOD WATCH IN EFFECT FROM 3 AM CDT THURSDAY THROUGH THURSDAY MORNING.

WIDESPREAD RAINFALL AMOUNTS OF 1 TO 2 INCHES WITH LOCALLY HIGHER AMOUNTS UP TO 3 INCHES ARE POSSIBLE OVERNIGHT TONIGHT THROUGH MIDDAY THURSDAY. THESE THUNDERSTORMS WILL BE EFFICIENT RAIN PRODUCERS…MEANING THE ENVIRONMENT IS SUITED FOR RAINFALL RATES IN EXCESS OF 1 TO 2 INCHES PER HOUR AT TIMES.

WITH THE ANTICIPATED RAINFALL RATES ON TOP OF AN ALREADY VERY SATURATED GROUND…A FLASH FLOOD COULD OCCUR IN A VERY SHORT TIME FRAME AND IS ESPECIALLY DANGEROUS AT NIGHT.

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 for Cass and area Counties

Weather

August 27th, 2014 by Ric Hanson

1124 AM CDT WED AUG 27 2014

THIS AFTERNOON AND TONIGHT…ISOLATED TO SCATTERED THUNDERSTORMS WILL BE POSSIBLE THROUGH THE AFTERNOON AND AGAIN REDEVELOP TONIGHT. HEAVY RAINFALL WILL BE
POSSIBLE WITH STORMS TONIGHT INTO THURSDAY MORNING…WITH 1 TO 2 INCHES OF RAINFALL POSSIBLE. THE THREAT FOR SEVERE THUNDERSTORMS IS LOW.

THURSDAY THROUGH TUESDAY…THUNDERSTORM CHANCES WILL CONTINUE THROUGH SUNDAY AND RETURN ACROSS THE AREA MONDAY THROUGH TUESDAY.