AREA COUNTIES: HARRISON and MONONA…
652 AM CDT FRI SEP 16 2016

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A FLOOD ADVISORY FOR…NORTHWESTERN HARRISON COUNTY AND SOUTHWESTERN MONONA COUNTY…UNTIL 1245 PM CDT.

* AT 652 AM CDT…DOPPLER RADAR INDICATED HEAVY RAIN DUE TO
THUNDERSTORMS HAD OCCURRED OVERNIGHT, CAUSING MINOR FLOODING IN THE ADVISORY AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND…DON’T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS…COUNTRY ROADS…FARMLAND…AND OTHER LOW LYING
SPOTS.

Today:Mo.Cldy w/showers ending this morning; Becoming P/Cldy. High 78. W @ 10-15.

Tonight: P/Cldy. Low 55. NW @ 5-10.

Tomorrow: P/Cldy. High 76. NW @ 10-15.

Sunday: P/Cldy High near 80.

Monday: P/Cldy. High around 83.

Thursday’s High in Atlantic was 83. We received 2.49 inches of rainfall over the past 24-hours, with most of that falling overnight. Our 24-hour Low (ending today at 7-a.m.) was 61.  Last year on this date, our High in Atlantic was 86 and the low was 65. The Record High in Atlantic on this date was 95 in 1931. The Record Low was 28 in 1893.

(12-hour rainfall as of 4:30-a.m.)

Atlantic (KJAN) 2.48 inches

Adair 3.20 in
Coon Rapids 2.80 in
Adair Casey Elementary 2.79 in
Panora 2.56 in
Stuart 2.45 in
Fontanelle 2.36 in
Greenfield 2.20 in

Observations are collected from a variety of sources with varying equipment and exposures. Not all data listed are considered official.

The Flash Flood Watch that was in effect until 5-a.m. for Monona, Harrison and Shelby Counties, has been cancelled. Many parts of those counties received in excess of 5-inches of rain overnight, but the threat for heavy rain has ended. A Flash Flood Watch that was in effect until 7-a.m. today  for Guthrie, Cass, Adair, Madison, Adams, Union, Taylor and Ringgold Counties, was also cancelled.

A Flash Flood Warning remains in effect until 4:45-a.m.,. for Shelby, Harrison, northeastern Pottawattamie and southeastern Monona Counties, where 2-to 3 inches of rain had fallen earlier this morning.

FREMONT IA-PAGE IA-POTTAWATTAMIE IA-MONTGOMERY IA–

212 AM CDT FRI SEP 16 2016

AT 212 AM CDT…DOPPLER RADAR WAS TRACKING STRONG  THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR VILLISCA TO 3 MILES SOUTHWEST OF CLARINDA. MOVEMENT WAS EAST AT 45 MPH. WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THESE STORMS.

LOCATIONS IMPACTED INCLUDE…

RED OAK…CLARINDA…SHENANDOAH…VILLISCA…ESSEX…STANTON… ELLIOTT…COIN…COLLEGE SPRINGS…SHAMBAUGH…BRADDYVILLE…GRANT… YORKTOWN…NORTHBORO…COBURG…BLANCHARD… HEPBURN AND VIKING LAKE STATE PARK.

THIS INCLUDES HIGHWAY 34 IN IOWA BETWEEN MILE MARKERS 33 AND 51.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

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

MONTGOMERY IA-FREMONT IA-PAGE IA-MILLS IA-

155 AM CDT FRI SEP 16 2016

…A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 215 AM CDT FOR SOUTHERN MONTGOMERY…NORTHEASTERN FREMONT…PAGE AND SOUTHEASTERN MILLS COUNTIES…

AT 155 AM CDT…SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE EXTENDING FROM 5 MILES SOUTH OF RED OAK TO 4 MILES SOUTHEAST OF SHENANDOAH…MOVING EAST AT 50 MPH.

HAZARD…60 MPH WIND GUSTS.

144 AM CDT FRI SEP 16 2016

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A SEVERE THUNDERSTORM WARNING FOR…SOUTHERN MONTGOMERY COUNTY… NORTHEASTERN FREMONT COUNTY…PAGE COUNTY SOUTHEASTERN MILLS COUNTY IN SOUTHWESTERN IOWA…UNTIL 215 AM CDT

* AT 144 AM CDT…SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE EXTENDING FROM 7 MILES SOUTH OF EMERSON TO NEAR RIVERTON…MOVING EAST AT 45 MPH.

HAZARD…60 MPH WIND GUSTS.

SOURCE…RADAR INDICATED.

IMPACT…EXPECT DAMAGE TO ROOFS…SIDING…AND TREES.

* LOCATIONS IMPACTED INCLUDE…

RED OAK…CLARINDA…SHENANDOAH…VILLISCA…SIDNEY…ESSEX…

STANTON…FARRAGUT…EMERSON…RIVERTON…COIN…SHAMBAUGH…

RANDOLPH…YORKTOWN…IMOGENE…COBURG…HEPBURN…

VIKING LAKE STATE PARK AND PIERCE RECREATION AREA.

THIS INCLUDES THE FOLLOWING HIGHWAYS…

HIGHWAY 34 IN IOWA BETWEEN MILE MARKERS 33 AND 51.

HIGHWAY 59 IN IOWA BETWEEN MILE MARKERS 7 AND 28.

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.

140 AM CDT FRI SEP 16 2016

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A FLASH FLOOD WARNING FOR…SHELBY COUNTY IN SOUTHWESTERN IOWA…HARRISON COUNTY IN SOUTHWESTERN IOWA…SOUTHEASTERN MONONA COUNTY IN WEST CENTRAL IOWA…NORTHEASTERN POTTAWATTAMIE COUNTY IN SOUTHWESTERN IOWA…SOUTHEASTERN BURT COUNTY IN EAST CENTRAL NEBRASKA…NORTHEASTERN WASHINGTON COUNTY IN EAST CENTRAL NEBRASKA…UNTIL 445 AM CDT.

* AT 139 AM CDT…DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. 2 TO 3 INCHES OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…HARLAN…LOGAN…OAKLAND…AVOCA…UNDERWOOD…WALNUT…SHELBY…MINDEN…EARLING…MONDAMIN…IRWIN…PERSIA…DEFIANCE…MODALE…PISGAH…MOORHEAD…WOODBINE…DUNLAP…NEOLA AND PANAMA.

THIS INCLUDES THE FOLLOWING HIGHWAYS…

HIGHWAY 59 IN IOWA BETWEEN MILE MARKERS 52 AND 89.

INTERSTATE 29 BETWEEN MILE MARKERS 82 AND 92.

INTERSTATE 80 IN IOWA BETWEEN MILE MARKERS 20 AND 48.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

TURN AROUND…DON’T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES.

125 AM CDT FRI SEP 16 2016

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A FLASH FLOOD WARNING FOR…SOUTHERN HARRISON COUNTY IN SOUTHWESTERN IOWA…NORTHWESTERN POTTAWATTAMIE COUNTY IN SOUTHWESTERN IOWA…EAST CENTRAL WASHINGTON COUNTY IN EAST CENTRAL NEBRASKA… UNTIL 430 AM CDT.

* AT 124 AM CDT…DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. UP TO 4 INCHES OF RAIN HAVE FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…BLAIR…MISSOURI VALLEY…LOGAN…FORT CALHOUN…MODALE…DESOTO BEND NATIONAL WILDLIFE REFUGE…HISTORICAL VILLAGE WELCOME CENTER…WILSON ISLAND STATE PARK AND HITCHCOCK NATURE CENTER.

THIS INCLUDES THE FOLLOWING HIGHWAYS…

HIGHWAY 30 IN IOWA BETWEEN MILE MARKERS 1 AND 5.

HIGHWAY 75 IN NEBRASKA BETWEEN MILE MARKERS 108 AND 111.

INTERSTATE 29 BETWEEN MILE MARKERS 66 AND 82.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

TURN AROUND…DON’T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING.

SHELBY IA-HARRISON IA-MONONA IA-BURT NE-WASHINGTON NE-
114 AM CDT FRI SEP 16 2016

…THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 AM CDT FOR SHELBY…HARRISON…SOUTHEASTERN MONONA COUNTIES IN IOWA AND SOUTHEASTERN BURT AND NORTHEASTERN WASHINGTON COUNTIES IN NEBRASKA.

AT 113 AM CDT…DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. 3 TO 5 INCHES OF RAIN HAVE
FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…
HARLAN…LOGAN…EARLING…MONDAMIN…IRWIN…DEFIANCE…MODALE…
PISGAH…MOORHEAD…WOODBINE…DUNLAP…PANAMA…PORTSMOUTH…
MAGNOLIA…SOLDIER…LITTLE SIOUX…WESTPHALIA…KIRKMAN…
PREPARATION CANYON STATE PARK AND LITTLE SIOUX SCOUT RANCH.

THIS INCLUDES THE FOLLOWING HIGHWAYS…
HIGHWAY 59 IN IOWA BETWEEN MILE MARKERS 80 AND 89.
INTERSTATE 29 BETWEEN MILE MARKERS 84 AND 95.