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NWS forecast for Cass & surrounding Counties in IA: 7/6/16

Weather

July 6th, 2016 by Ric Hanson

Early This Morning: Mostly cloudy with scattered thunderstorms. Southwest wind near 10 mph. Chance of thunderstorms 40 percent.
Today: Hot and humid. Mostly cloudy with isolated thunderstorms through mid morning…then mostly sunny in the late morning and afternoon. High around 90. South wind 5 to 10 mph. Chance of thunderstorms 20 percent. Highest heat index readings 100 to 103 in the afternoon.
Tonight: Partly cloudy in the evening then becoming mostly cloudy. A 50 percent chance of thunderstorms. Low around 70. Southeast wind 5 to 10 mph. Highest heat index readings 100 to 102 through midnight.
Thursday: Hot and humid. Partly sunny with a 40 percent chance of thunderstorms. High around 90. South wind 5 to 10 mph with gusts to around 20 mph. Highest heat index readings around 100 in the afternoon.
Thursday Night: Partly cloudy. Thunderstorms likely through midnight. Low in the mid 60s. Northwest wind 5 to 10 mph. Chance of thunderstorms 60 percent. Highest heat index readings 100 to 102 through midnight.
Friday: Sunny. High in the lower 80s. Northwest wind 5 to 15 mph.

Severe Thunderstorm Watch Cancelled

Weather

July 6th, 2016 by Ric Hanson

NWS STORM PREDICTION CENTER NORMAN OK

403 AM CDT WED JUL 6 2016

THE NWS STORM PREDICTION CENTER HAS CANCELLED SEVERE THUNDERSTORM WATCH NUMBER 332 ISSUED AT 1035 PM CDT FOR PORTIONS OF IOWA. THERE ARE CURRENTLY NO WATCHES IN EFFECT FOR WESTERN IOWA.

SEVERE WEATHER MAY STILL BE POSSIBLE, TO STAY TUNED TO LOCAL BROADCAST OUTLETS FOR BULLETINS OR ADVISORIES.

 

Significant Weather Advisory for Montgomery/Mills/Pott. Counties

Weather

July 6th, 2016 by Ric Hanson

412 AM CDT WED JUL 6 2016

…SIGNIFICANT WEATHER ADVISORY FOR MONTGOMERY…EASTERN MILLS AND POTTAWATTAMIE COUNTIES UNTIL 500 AM CDT…

AT 412 AM CDT…DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 4 MILES EAST OF MACEDONIA…OR 23 MILES SOUTHWEST OF ATLANTIC…MOVING NORTHEAST AT 20 MPH. HALF INCH HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE…

EASTERN COUNCIL BLUFFS…RED OAK…OAKLAND…AVOCA…MALVERN…

TREYNOR…UNDERWOOD…CARSON…WALNUT…STANTON…EMERSON…

ELLIOTT…MACEDONIA…SILVER CITY…HANCOCK…HENDERSON…HASTINGS…

MCCLELLAND…GRANT AND FARM CREEK PUBLIC WILDLIFE AREA.

THIS INCLUDES THE FOLLOWING HIGHWAYS…

HIGHWAY 34 IN IOWA BETWEEN MILE MARKERS 17 AND 51.

HIGHWAY 59 IN IOWA BETWEEN MILE MARKERS 28 AND 64.

INTERSTATE 29 NEAR MILE MARKER 45.

INTERSTATE 80 IN IOWA BETWEEN MILE MARKERS 8 AND 20.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. LIGHTNING CAN STRIKE 15 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE SHELTER INSIDE A BUILDING OR VEHICLE. THIS STORM MAY INTENSIFY…SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS…AS WELL AS LOCAL CABLE TV OUTLETS…FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

Severe Thunderstorm Warning: Montgomery/Mills/Pott. Counties

Weather

July 6th, 2016 by Ric Hanson

333 AM CDT WED JUL 6 2016

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…

NORTHWESTERN MONTGOMERY COUNTY IN SOUTHWESTERN IOWA…

NORTHEASTERN MILLS COUNTY IN SOUTHWESTERN IOWA…

SOUTHEASTERN POTTAWATTAMIE COUNTY IN SOUTHWESTERN IOWA…

* UNTIL 415 AM CDT

* AT 333 AM CDT…A SEVERE THUNDERSTORM WAS LOCATED 5 MILES NORTH OF MALVERN…OR 24 MILES SOUTHEAST OF OMAHA…MOVING NORTHEAST AT 20 MPH.

HAZARD…QUARTER SIZE HAIL.

SOURCE…RADAR INDICATED.

IMPACT…DAMAGE TO VEHICLES IS EXPECTED.

* LOCATIONS IMPACTED INCLUDE…

MALVERN…TREYNOR…CARSON…MACEDONIA…SILVER CITY…HENDERSON… HASTINGS…FARM CREEK PUBLIC WILDLIFE AREA AND OLD TOWN PARK.

THIS INCLUDES THE FOLLOWING HIGHWAYS…

HIGHWAY 34 IN IOWA BETWEEN MILE MARKERS 14 AND 23.

HIGHWAY 59 IN IOWA BETWEEN MILE MARKERS 34 AND 44.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING.

Severe Thunderstorm Warning for NE Harrison & Shelby County

Weather

July 5th, 2016 by Ric Hanson

1046 PM CDT TUE JUL 5 2016

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…SHELBY COUNTY IN SOUTHWESTERN IOWA…NORTHEASTERN HARRISON COUNTY IN SOUTHWESTERN IOWA…EASTERN MONONA COUNTY IN WEST CENTRAL IOWA…UNTIL 1130 PM CDT

* AT 1045 PM CDT…SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE EXTENDING FROM 3 MILES WEST OF DANBURY TO 6 MILES EAST OF LOGAN…MOVING NORTHEAST AT 40 MPH. THESE ARE VERY DANGEROUS STORMS.

HAZARD…80 MPH WIND GUSTS AND QUARTER SIZE HAIL.

SOURCE…RADAR INDICATED.

IMPACT…FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT SHELTER. MOBILE HOMES WILL BE HEAVILY DAMAGED. EXPECT CONSIDERABLE DAMAGE TO ROOFS…WINDOWS AND VEHICLES. EXTENSIVE TREE DAMAGE AND POWER OUTAGES ARE LIKELY.

* LOCATIONS IMPACTED INCLUDE…

HARLAN…EARLING…UTE…IRWIN…DEFIANCE…MOORHEAD…WOODBINE… MAPLETON…DUNLAP…PANAMA…PORTSMOUTH…SOLDIER…WESTPHALIA.. TENNANT…KIRKMAN…SCHABEN PARK…MANTENO RECREATION AREA AND WILLOW LAKE RECREATION AREA.

THIS INCLUDES HIGHWAY 59 IN IOWA BETWEEN MILE MARKERS 73 AND 89.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

THIS IS AN EXTREMELY DANGEROUS SITUATION WITH TORNADO LIKE WIND SPEEDS EXPECTED. MOBILE HOMES AND HIGH PROFILE VEHICLES ARE ESPECIALLY SUSCEPTIBLE TO WINDS OF THIS MAGNITUDE AND MAY BE OVERTURNED. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING. THESE STORMS HAVE THE POTENTIAL TO CAUSE SERIOUS INJURY AND SIGNIFICANT PROPERTY DAMAGE.

Severe Thunderstorm Watch until 6-a.m. Wed. for Cass & area Counties

Weather

July 5th, 2016 by Ric Hanson

1035 PM CDT TUE JUL 5 2016 SEVERE THUNDERSTORM WATCH 332 IS IN EFFECT UNTIL 600 AM CDT FOR THE FOLLOWING LOCATIONS: IOWA COUNTIES INCLUDED ARE… ADAIR AUDUBON BOONE CALHOUN CARROLL CASS CRAWFORD DALLAS FRANKLIN GREENE GUTHRIE HAMILTON HARDIN HUMBOLDT JASPER MADISON MAHASKA MARION MARSHALL POCAHONTAS POLK POWESHIEK SAC STORY TAMA WARREN WEBSTER WRIGHT

* PRIMARY THREATS INCLUDE…

SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 80 MPH POSSIBLE; ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE.

Severe Thunderstorm Watch for Counties in lavender.

Severe Thunderstorm Watch for Counties in lavender.

SUMMARY…A SMALL COMPLEX OF STORMS WITH A HISTORY OF PRODUCING WIND DAMAGE MAY CONTINUE TO MOVE EAST-NORTHEASTWARD TOWARD CENTRAL IOWA OVERNIGHT WHILE ADDITIONAL STORMS MAY INITIALLY DEVELOP ACROSS NORTHERN IOWA AND MOVE EAST-SOUTHEASTWARD. ANY OF THESE STORMS MAY POSE A DAMAGING WIND/SOME HAIL RISK .

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 10 MILES WEST OF DENISON IOWA TO 30 MILES SOUTH OF WATERLOO IOWA.

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 Thunderstorm Warning until 10:45-pm for NW Harrison Countu

Weather

July 5th, 2016 by Ric Hanson

HARRISON IA-DODGE NE-BURT NE-WASHINGTON NE-
1013 PM CDT TUE JUL 5 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR NORTHWESTERN HARRISON...NORTHEASTERN DODGE...BURT AND
NORTHWESTERN WASHINGTON COUNTIES...

AT 1012 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 4 MILES EAST OF
TEKAMAH...OR 33 MILES NORTH OF OMAHA...MOVING EAST AT 50 MPH. THIS
IS A DANGEROUS STORM.

HAZARD...70 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL.

SOURCE...RADAR INDICATED.

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE
         TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE
         HOMES...ROOFS AND OUTBUILDINGS.

Severe Thunderstorm Watch expanded to include Shelby County

Weather

July 5th, 2016 by Ric Hanson

SEVERE THUNDERSTORM WATCH 329 IS IN EFFECT UNTIL 100 AM CDT FOR THE FOLLOWING LOCATIONS: IOWA COUNTIES INCLUDED ARE HARRISON MONONA POTTAWATTAMIE and SHELBY.

* PRIMARY THREATS INCLUDE…

ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

SUMMARY…A CLUSTER OF STORMS WILL LIKELY CONTINUE TO SPREAD EAST-NORTHEASTWARD THIS EVENING ACROSS EAST-CENTRAL/NORTHEAST NEBRASKA AND PERHAPS EVENTUALLY WESTERN IOWA.

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 Thunderstorm Watch until 1-a.m. Wed. for 3 area counties

Weather

July 5th, 2016 by Ric Hanson

SEVERE THUNDERSTORM WATCH 329 IS IN EFFECT UNTIL 100 AM CDT FOR THE FOLLOWING LOCATIONS: IOWA COUNTIES INCLUDED ARE HARRISON MONONA POTTAWATTAMIE

* PRIMARY THREATS INCLUDE…

ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

SUMMARY…A CLUSTER OF STORMS WILL LIKELY CONTINUE TO SPREAD EAST-NORTHEASTWARD THIS EVENING ACROSS EAST-CENTRAL/NORTHEAST NEBRASKA AND PERHAPS EVENTUALLY WESTERN IOWA.

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.

Skyscan forecast & weather data for Atlantic: 7/5/16

Weather

July 5th, 2016 by Ric Hanson

Today: Partly Cloudy, warm & humid. High 93. S @ 10-20. HEAT ADVISORY 1-8pm. Heat Index 102-106+.

Tonight: P/Cldy to Cldy w/scatt. Showers & tstrms. Low 73. S-N @ 5-10.

Tomorrow: P/Cldy to Cldy, warm & humid w/scatt morning shwrs & tstrms. SDE @ 10-15.High 91.

Thursday: Variably Cldy, warm & humid w/scatt shwrs & tstrms. High 88.

Friday: P/Cldy. High 84.

Monday’s High in Atlantic was 76. Our 24-hour Low thru 7-a.m. today was 61. Last year on this date, our High in Atlantic was 87 and the low was 67. The All-time Record High in Atlantic on this date was 107 in 1911. The Record Low was 41 in 1972.