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 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″.

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.

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.

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.

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.

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.

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.

(This post will be updated as the numbers come in)

Atlantic:  .66″ (at KJAN);  Bedford (Taylor County): 1.25″; 1 mile west of Blockton (Taylor County): 2.1″; Clarinda: .37″; Shenandoah: .34″; 1 mile S. of Avoca: .10″; Audubon: .04″.

The (podcast) Freese-Notis weather forecast for Atlantic & the KJAN listening area and weather information for Atlantic from KJAN News Director Ric Hanson.

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400 AM CDT WED AUG 27 2014

…HEAVY RAINFALL STILL POSSIBLE THROUGH THIS MORNING…

SCATTERED THUNDERSTORMS REMAIN POSSIBLE THROUGH THIS MORNING AS A SYSTEM LIFTS NORTHEAST OUT OF NEBRASKA. THOUGH THE THREAT FOR WIDESPREAD HEAVY RAINFALL HAS DIMINISHED THROUGH THIS MORNING…THE POTENTIAL FOR LOCALIZED HEAVY RAINFALL STILL EXISTS

COUNTIES: CRAWFORD-CARROLL-AUDUBON-CASS-HARRISON-SHELBY-POTTAWATTAMIE.

FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING… LOCALIZED AREAS OF RAINFALL IN EXCESS OF 2 INCHES REMAINS POSSIBLE THROUGH MID MORNING. THIS COULD LEAD TO FLASH FLOODING AS THE RAINFALL WILL FALL OVER AN AREA THAT RECENTLY RECEIVED HEAVY RAINFALL RESULTING IN NEARLY SATURATED GROUND CONDITIONS.

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.