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(Update) Severe Thunderstorm Watch

News, Weather

June 16th, 2014 by Ric Hanson

The National Weather Service in Valley, NE has cancelled Severe Thunderstorm Watch # 301 for Fremont and Mills Counties in Southwest Iowa. The Watch remains in effect until 2-p.m. for Harrison, Pottawattamie and Monona Counties in the KJAN listening area.

The primary threat from storms that develop will be large hail with isolated damaging winds up to 70-miles per hour possible.

(Updated) Severe Weather Chances increasing across much of western IA

News, Weather

June 16th, 2014 by Ric Hanson

The latest weather statement from the National Weather Service points to an ever-increasing risk for severe thunderstorms across Iowa, today. Scattered thunderstorms may be moving northeast out of Nebraska into western Iowa and may contain large hail over an inch in diameter. More vigorous activity is expected to develop by mid to late afternoon over northwest Iowa then shift east into this evening.

The latest outlook shows an increased risk for damaging winds and large hail.

The latest outlook shows an increased risk for damaging winds and large hail.

Very strong storms are expected with this activity. Initial storms may produce very large hail and a few tornadoes before evolving into a damaging wind threat by mid to late evening. Heavy rainfall is possible as well, especially over northern Iowa. Localized flash flooding may occur with storms producing intense rainfall rates.

(Updated 9:45-a.m.)

SEVERE THUNDERSTORM WATCH: Western/SW Iowa until 2-pm

Weather

June 16th, 2014 by Ric Hanson

SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 301 NWS STORM PREDICTION CENTER NORMAN OK 715 AM CDT MON JUN 16 2014

SEVERE THUNDERSTORM WATCH 301 IS IN EFFECT UNTIL 200 PM CDT FOR THE FOLLOWING LOCATIONS: IOWA COUNTIES INCLUDED ARE: FREMONT HARRISON LYON MILLS MONONA PLYMOUTH POTTAWATTAMIE SIOUX WOODBURY

THE NWS STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
WESTERN IOWA
CENTRAL AND EASTERN NEBRASKA
SOUTHEAST SOUTH DAKOTA

* EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 715 AM UNTIL200 PM CDT.

* PRIMARY THREATS INCLUDE…
SCATTERED LARGE HAIL LIKELY WITH ISOLATED VERY LARGE HAIL EVENTS TO 2.5 INCHES IN DIAMETER POSSIBLE; ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 95 STATUTE MILES EAST AND WEST OF A LINE FROM 20 MILES SOUTH SOUTHWEST OF BEATRICE NEBRASKA TO 10 MILES NORTH NORTHWEST OF MITCHELL SOUTH DAKOTA.

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.

Severe Storms possible today (Monday)

News, Weather

June 16th, 2014 by Ric Hanson

The National Weather Service says severe thunderstorms are possible across Iowa, today. Scattered thunderstorms may develop this morning and may contain an attendant large hail threat up to the size of quarters. More vigorous activity is expected to develop by mid to late afternoon over northwest Iowa then shift east into this evening.10369738_658150967596435_7365197227461692096_n

Very strong storms are expected with this activity. Initial storms may produce very large hail and a few tornadoes before evolving into a damaging wind threat by mid to late evening. Heavy rainfall is possible as well, especially over northern Iowa. Localized flash flooding may occur with storms producing intense rainfall rates.

(Podcast) Skyscan Forecast: Mon., 6/16/2014

Podcasts, Weather

June 16th, 2014 by Ric Hanson

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

Play

Hazardous Weather outlook for parts of SW & W. Central IA: 6/16/14

Weather

June 16th, 2014 by Ric Hanson

COUNTIES: MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-
PAGE-
501 AM CDT MON JUN 16 2014

TODAY AND TONIGHT:

THERE WILL BE A CHANCE OF THUNDERSTORMS ACROSS THE REGION TODAY THROUGH THIS EVENING. A FEW STORMS COULD CONTAIN SMALL HAIL IN NORTHEAST NEBRASKA THIS MORNING. THEN…SEVERE STORMS WILL BE POSSIBLE THIS AFTERNOON AS VERY HIGH INSTABILITY DEVELOPS AS DEEPER MOISTURE RETURNS TO THE REGION AND A WARM FRONT LIFTS NORTHWARD ACROSS THE PLAINS. VERY LARGE HAIL AND DAMAGING WINDS WILL BE POSSIBLE WITH ANY SUPERCELLS THAT DEVELOP LATER TODAY. AND ISOLATED TORNADO WILL ALSO BE POSSIBLE BETWEEN OMAHA AND SIOUX CITY. THUNDERSTORMS SHOULD PUSH EAST OF THE AREA BY MIDNIGHT.

TUESDAY AND WEDNESDAY:  HOT AND HUMID CONDITIONS ARE EXPECTED FOR TUESDAY AND WEDNESDAY. AFTERNOON HEAT INDEX VALUES COULD APPROACH 95 TO 100 BOTH DAYS.

NWS forecast for Atlantic & the KJAN listening area 6/16/2014

Weather

June 16th, 2014 by Ric Hanson

Today A 40 percent chance of showers and thunderstorms, mainly after 1pm. Some of the storms could produce heavy rain. Mostly sunny, with a high near 88. Windy, with a south southeast wind 7 to 12 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 32 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight A 50 percent chance of showers and thunderstorms, mainly before 1am. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 72. Breezy, with a south wind 15 to 18 mph, with gusts as high as 26 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Mostly sunny, with a high near 93. Heat index values as high as 102. Windy, with a south wind 15 to 21 mph, with gusts as high as 29 mph.
Tuesday Night Partly cloudy, with a low around 74. Breezy, with a south wind 11 to 18 mph, with gusts as high as 26 mph.
Wednesday Mostly sunny, with a high near 89. Breezy, with a south wind 13 to 17 mph, with gusts as high as 25 mph.
Wednesday Night Showers and thunderstorms likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.

NWS forecast for Atlantic & the KJAN listening area & weather info. for Atlantic

Weather

June 15th, 2014 by Ric Hanson

Sunday, June 15th 2014 – Father’s Day

Today: Scattered showers and thunderstorms before 9am. Cloudy through mid morning, then gradual clearing, with a high near 82. Breezy, with a south southwest wind 10 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight: Mostly clear, with a low around 61. West wind 5 to 8 mph becoming south southeast after midnight.
Monday: A 40 percent chance of showers and thunderstorms, mainly after 10am. Mostly sunny, with a high near 86. Windy, with a south southeast wind 7 to 12 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 31 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Windy, with a south wind 16 to 22 mph, with gusts as high as 30 mph. New rainfall amounts between a quarter and half of an inch possible.
Tuesday: Mostly sunny, with a high near 92. Windy, with a south southwest wind 16 to 21 mph, with gusts as high as 29 mph.
Tuesday Night: Partly cloudy, with a low around 74. Breezy.
Wednesday: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 88. Breezy.

*******

Saturday’s High in Atlantic was 81. Our low through 6-a.m. today was 61. Rainfall in Atlantic overnight through 6-a.m. today (Sunday), was .4″ (four-tenths of an inch).

Hazardous Weather Outlook: Sun-Fri., 6/15-20

Weather

June 15th, 2014 by Chris Parks

542 AM CDT SUN JUN 15 2014 NWS Des Moines

TODAY AND TONIGHT: A FEW NON SEVERE THUNDERSTORMS ARE POSSIBLE TODAY.

MONDAY THROUGH FRIDAY….

ANOTHER ROUND OF STRONG TO SEVERE THUNDERSTORMS IS FORECAST FOR MONDAY AND MONDAY NIGHT. A FEW OF THESE STORMS MAY BECOME VERY STRONG WITH VERY LARGE HAIL…DAMAGING WINDS AND A FEW TORNADOES POSSIBLE. VERY HEAVY RAINFALL WILL BE POSSIBLE WITH THESE STORMS AS WELL.

ADDITIONAL ROUNDS OF THUNDERSTORMS ARE POSSIBLE THROUGH THE REMAINDER OF THE PERIOD WITH THE HIGHEST CHANCES THURSDAY AND FRIDAY. LOCALLY HEAVY RAIN AND A FEW SEVERE THUNDERSTORMS WILL BE POSSIBLE THROUGH THE PERIOD.

SPOTTER INFORMATION STATEMENT
SPOTTER ACTIVATION IS LIKELY MONDAY AFTERNOON AND EVENING.

Severe Thunderstorm Watch cancelled

Weather

June 15th, 2014 by Ric Hanson

THE NATIONAL WEATHER SERVICE HAS CANCELLED SEVERE THUNDERSTORM WATCH 298 FOR THE FOLLOWING AREAS: IN SOUTHWEST IOWA THIS APPLIES TO  ADAIR ADAMS CASS AND TAYLOR COUNTIES, AND IN  WEST CENTRAL IOWA,  AUDUBON CALHOUN CARROLL CRAWFORD GREENE GUTHRIE AND SAC COUNTIES.