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Flash Flood Warning: Audubon & Guthrie Counties

Weather

September 6th, 2015 by Ric Hanson

912 PM CDT SUN SEP 6 2015

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A

* FLASH FLOOD WARNING FOR…

NORTHERN GUTHRIE COUNTY IN WEST CENTRAL IOWA…

SOUTHEASTERN GREENE COUNTY IN WEST CENTRAL IOWA…

NORTHERN AUDUBON COUNTY IN WEST CENTRAL IOWA…

SOUTHWESTERN BOONE COUNTY IN CENTRAL IOWA…

NORTHWESTERN DALLAS COUNTY IN CENTRAL IOWA…

* UNTIL 315 AM CDT MONDAY

* AT 910 PM CDT…DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. 3.1 INCHES OF RAIN HAS FALLEN IN COON RAPIDS SINCE AROUND AN HOUR.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…

PERRY…AUDUBON…LAKE PANORAMA…BAYARD…MINBURN…BAGLEY…

RIPPEY…YALE…JAMAICA…DAWSON…GRAY…BERKLEY…SPRINGBROOK

STATE PARK…PERRY MUNICIPAL AIRPORT AND LAKIN SLOUGH GAME

MANAGEMENT AREA. THE FOLLOWING STREAMS AND CREEKS WILL BE

AFFECTED AS WELL…WILLOW CREEK…BRUSHY CREEK…AND BEAVER CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. TURN AROUND…DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES.

 

Shelby County Thunderstorm warning update

Weather

September 6th, 2015 by Ric Hanson

650 PM CDT SUN SEP 6 2015

…A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM CDT FOR SHELBY COUNTY…

AT 650 PM CDT…A SEVERE THUNDERSTORM WAS LOCATED OVER IRWIN…OR 14 MILES NORTHWEST OF AUDUBON…MOVING NORTHEAST AT 30 MPH.

HAZARD…60 MPH WIND GUSTS AND QUARTER SIZE HAIL.

SOURCE…RADAR INDICATED.

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

LOCATIONS IMPACTED INCLUDE…

HARLAN…SHELBY…EARLING…IRWIN…DEFIANCE…PANAMA…PORTSMOUTH…

WESTPHALIA…TENNANT…KIRKMAN…NISHNA BEND RECREATION AREA…ELK HORN CREEK RECREATION AREA AND PRAIRIE ROSE STATE PARK. THIS INCLUDES HIGHWAY 59 IN IOWA BETWEEN MILE MARKERS 67 AND 89.

 

Severe Thunderstorm Warning: Shelby County

Weather

September 6th, 2015 by Ric Hanson

630 PM CDT SUN SEP 6 2015

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR SHELBY COUNTY UNTIL 715 PM CDT

* AT 630 PM CDT…A SEVERE THUNDERSTORM WAS LOCATED NEAR HARLAN…OR 20 MILES WEST OF AUDUBON…MOVING NORTHEAST AT 25 MPH.
HAZARD…60 MPH WIND GUSTS AND QUARTER SIZE HAIL.
SOURCE…RADAR INDICATED.
IMPACT…HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE
TO ROOFS…SIDING AND TREES.

* LOCATIONS IMPACTED INCLUDE…
HARLAN…SHELBY…EARLING…IRWIN…DEFIANCE…PANAMA…
PORTSMOUTH…WESTPHALIA…TENNANT…KIRKMAN…NISHNA BEND
RECREATION AREA…ELK HORN CREEK RECREATION AREA AND PRAIRIE ROSE STATE PARK.
THIS INCLUDES HIGHWAY 59 IN IOWA BETWEEN MILE MARKERS 67 AND 89.

Severe Thunderstorm Watch for Cass & area Counties until 1-a.m. Monday

Weather

September 6th, 2015 by Ric Hanson

THE NATIONAL WEATHER SERVICE HAS ISSUED SEVERE THUNDERSTORM WATCH 504 IN EFFECT UNTIL 1 AM CDT MONDAY FOR THE FOLLOWING COUNTIES: ADAIR-ADAMS-AUDUBON-CASS-CARROLL-CRAWFORD- GUTHRIE-MADISON-RINGGOLD-SAC-TAYLOR AND UNION.

PROBABILITY TABLE:
PROB OF 2 OR MORE TORNADOES : 10%
PROB OF 1 OR MORE STRONG /F2-F5/ TORNADOES : 02%
PROB OF 10 OR MORE SEVERE WIND EVENTS : 40%
PROB OF 1 OR MORE WIND EVENTS 75 MPH : 10%
PROB OF 10 OR MORE SEVERE HAIL EVENTS : 60%
PROB OF 1 OR MORE HAIL EVENTS 2 INCHES : 30%
PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 80%
MAX HAIL /INCHES/ : 2.0
MAX WIND GUSTS SURFACE /MPH/ : 70

NWS forecast for Atlantic & the KJAN listening area, Sun. 9/6/15

Weather

September 6th, 2015 by Ric Hanson

Today: A 40 percent chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 91. Heat index values as high as 101. Breezy, with a south wind 13 to 17 mph, with gusts as high as 23 mph. New rainfall amounts between a quarter and half of an inch possible.

**Flash Flood Watch in effect from 7-p.m. Sunday until 10-a.m. Monday**

Tonight: Showers and thunderstorms. Some of the storms could produce heavy rain. Low around 69. South wind 5 to 8 mph becoming light and variable in the evening. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

Labor Day: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Light and variable wind becoming east northeast 5 to 8 mph in the morning. New rainfall amounts between a half and three quarters of an inch possible.

Monday Night: Showers and thunderstorms. Some of the storms could produce heavy rain. Low around 66. East southeast wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

Tuesday: Showers and thunderstorms likely. Mostly cloudy, with a high near 78. East northeast wind 3 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57.

Wednesday: Sunny, with a high near 77.

FLASH FLOOD WATCH issued for parts of west central/central Iowa

Weather

September 6th, 2015 by Ric Hanson

AREA COUNTIES: AUDUBON; GUTHRIE; DALLAS; CASS; ADAIR; MADISON; ADAMS; UNION; TAYLOR AND RINGGOLD.

Counties in green are included in a Flash Flood  Watch.

Counties in green are included in a Flash Flood Watch.

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A FLASH FLOOD WATCH FROM THIS EVENING THROUGH MONDAY MORNING. NUMEROUS THUNDERSTORMS PRODUCING WIDESPREAD 1 TO 3 INCHES OF RAINFALL ARE EXPECTED WITH LOCALLY HIGHER AMOUNTS IN EXCESS OF 5 INCHES POSSIBLE.

THE HEAVY RAINFALL MAY LEAD TO FLASH FLOODING DUE TO RAPID RISES ALONG SMALL STREAMS AND CREEKS. IN ADDITION…SIGNIFICANT PONDING OF WATER MAY OCCUR.

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 issued for parts of SW IA thru Mon. morning

Weather

September 6th, 2015 by Ric Hanson

424 AM CDT SUN SEP 6 2015

A FLASH FLOOD WATCH IS IN EFFECT FROM THIS EVENING THROUGH MONDAY MORNING FOR THE FOLLOWING COUNTIES: FREMONT; MILLS; MONTGOMERY; PAGE; POTTAWATTAMIE AND SHELBY.

HEAVY RAINFALL IS POSSIBLE IN SOUTHWEST IOWA TONIGHT. THUNDERSTORMS ARE FORECAST TO DEVELOP LATE THIS AFTERNOON AND CONTINUE OVERNIGHT AS A COLD FRONT MOVES INTO THE AREA. THAT  FRONT IS EXPECTED TO STALL IN SOUTHWEST IOWA…PROVIDING A FOCUS FOR CONTINUED DEVELOPMENT OVERNIGHT.

Counties in green are included in a Flash Flood  Watch.

Counties in green are included in a Flash Flood Watch.

CONTINUED THUNDERSTORM DEVELOPMENT ALONG A STALLING COLD FRONT WILL LEAD TO SLOW-MOVING STORMS THAT COULD DROP RAINFALL AMOUNTS WELL OVER 2 INCHES IN A RELATIVELY SHORT PERIOD OF TIME. LOCAL RAIN AMOUNTS COULD EXCEED 4 INCHES. THE HEAVY RAINFALL COULD LEAD TO FLASH FLOODING OF ROADWAYS AND LOW WATER CROSSINGS. RAPID RISES IN SMALL CREEKS AND STREAMS COULD ALSO OCCUR.

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.

 

KJAN listening area forecast from the NWS: 9/5/15

Weather

September 5th, 2015 by Ric Hanson

347 AM CDT SAT SEP 5 2015
EARLY THIS MORNING…PARTLY CLOUDY. SOUTH WIND NEAR 10 MPH.
TODAY…MOSTLY SUNNY. HIGH IN THE UPPER 80S. SOUTH WIND 5 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.
TONIGHT…PARTLY CLOUDY. LOW IN THE MID 70S. SOUTH WIND 10 TO
15 MPH.

SUNDAY…PARTLY SUNNY. A SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE AFTERNOON. A CHANCE OF THUNDERSTORMS LATE IN THE AFTERNOON. HIGH IN THE UPPER 80S. SOUTH WIND 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE OF THUNDERSTORMS 50 PERCENT.
SUNDAY NIGHT…THUNDERSTORMS THROUGH MIDNIGHT…THEN THUNDERSTORMS LIKELY AFTER MIDNIGHT. LOW IN THE UPPER 60S. SOUTHEAST WIND 5 TO 10 MPH. CHANCE OF THUNDERSTORMS 90 PERCENT.

LABOR DAY…PARTLY SUNNY WITH A 40 PERCENT CHANCE OF THUNDERSTORMS. HIGH IN THE LOWER 80S. EAST WIND 5 TO 10 MPH.
MONDAY NIGHT…THUNDERSTORMS LIKELY. LOW IN THE MID 60S. CHANCE OF THUNDERSTORMS 70 PERCENT.

TUESDAY…CLOUDY WITH A 50 PERCENT CHANCE OF THUNDERSTORMS. HIGH IN THE UPPER 70S.

(Podcast) Skyscan Weather forecast, 9/4/2015

Podcasts, Weather

September 4th, 2015 by Ric Hanson

The Freese-Notis (podcast) weather forecast for Atlantic & the KJAN listening area, and weather information for Atlantic.

NWS forecast for Cass & area Counties in IA: 9/4/2015

Weather

September 4th, 2015 by Ric Hanson

346 AM CDT FRI SEP 4 2015

EARLY THIS MORNING…PARTLY CLOUDY. SOUTH WIND NEAR 10 MPH.

TODAY…MOSTLY SUNNY. HIGH IN THE UPPER 80S. SOUTH WIND 5 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.

TONIGHT…PARTLY CLOUDY. LOW IN THE LOWER 70S. SOUTH WIND 5 TO 15 MPH.

SATURDAY…MOSTLY SUNNY. HIGH IN THE UPPER 80S. SOUTH WIND 5 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.

SATURDAY NIGHT…PARTLY CLOUDY THROUGH MIDNIGHT THEN BECOMING MOSTLY CLOUDY. LOW IN THE MID 70S. SOUTH WIND 5 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.

SUNDAY…PARTLY SUNNY. A SLIGHT CHANCE OF THUNDERSTORMS IN THE MORNING…THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGH IN THE UPPER 80S. SOUTH WIND 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH. CHANCE OF THUNDERSTORMS 50 PERCENT.

SUNDAY NIGHT…THUNDERSTORMS LIKELY. LOW IN THE MID 60S. CHANCE OF THUNDERSTORMS 70 PERCENT.

LABOR DAY…PARTLY SUNNY WITH A 30 PERCENT CHANCE OF THUNDERSTORMS. HIGH IN THE LOWER 80S.