901 PM CDT TUE AUG 23 2016

THE NATIONAL WEATHER SERVICE IN OMAHA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…SOUTHWESTERN HARRISON COUNTY IN SOUTHWESTERN IOWA…NORTHWESTERN POTTAWATTAMIE COUNTY IN SOUTHWESTERN IOWA…WASHINGTON COUNTY IN EAST CENTRAL NEBRASKA… UNTIL 945 PM CDT

* AT 901 PM CDT…A SEVERE THUNDERSTORM WAS LOCATED NEAR BLAIR…OR 17 MILES NORTH OF OMAHA…MOVING NORTHEAST AT 10 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…

BLAIR…ARLINGTON…FORT CALHOUN…KENNARD…WASHINGTON…DESOTO BEND NATIONAL WILDLIFE REFUGE AND WILSON ISLAND STATE PARK.

THIS INCLUDES THE FOLLOWING HIGHWAYS…

HIGHWAY 30 IN IOWA BETWEEN MILE MARKERS 1 AND 5.

HIGHWAY 30 IN NEBRASKA BETWEEN MILE MARKERS 435 AND 450.

HIGHWAY 75 IN NEBRASKA BETWEEN MILE MARKERS 102 AND 123.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING. TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM…AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

POTTAWATTAMIE IA-DOUGLAS NE-

611 PM CDT TUE AUG 23 2016

SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN POTTAWATTAMIE AND EASTERN DOUGLAS COUNTIES UNTIL 630 PM CDT…AT 611 PM CDT…DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER SOUTHEASTERN OMAHA…MOVING NORTH AT 50 MPH.

DIME SIZE HAIL AND WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE…OMAHA…NORTHWESTERN COUNCIL BLUFFS…RALSTON…CARTER LAKE…BENNINGTON…BOYS TOWN AND NARROWS RIVER PARK.

THIS INCLUDES THE FOLLOWING HIGHWAYS…

HIGHWAY 75 IN NEBRASKA BETWEEN MILE MARKERS 88 AND 99.

INTERSTATE 29 BETWEEN MILE MARKERS 52 AND 61.

INTERSTATE 80 IN IOWA NEAR MILE MARKER 1.

INTERSTATE 80 IN NEBRASKA BETWEEN MILE MARKERS 446 AND 454.

Today: P/Cldy to Cldy w/a 30% chance of mid-afternoon showers & thunderstorms. High 83. S @ 15-25.
Tonight: Mo. Cldy w/a 70% chance of showers & thunderstorms. Low 68. S@10. New rainfall amounts between 1 and 2 inches possible.
Wednesday: Mo. Cldy w/a 40% chance of afternoon showers & tstrms. High 80. NW @ 5-10. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night: A 30% chance of showers & thunderstorms. Low around 61.
Thursday: Partly Cldy to Cldy, with a high near 80.
Friday: P/Cldy. High 82.  

Monday’s High in Atlantic was 81. Our 24-hours Low (ending today at 7-a.m.), was 61. Last year on this date, our High in Atlantic was 70 and the low was 42. The Record High in Atlantic on this date was 99 in 1894. The Record Low was 36 in 1891.

IOWA COUNTIES: MONONA-HARRISON-SHELBY-POTTAWATTAMIE-MILLS-MONTGOMERY-FREMONT-PAGE; 555 AM CDT TUE AUG 23 2016

TODAY AND TONIGHT: STRONG TO SEVERE STORMS WILL BE POSSIBLE TODAY AND TONIGHT.  LIGHTNING…LARGE HAIL…DAMAGING WINDS AND HEAVY RAIN ARE THE MAIN HAZARDS, HOWEVER AN ISOLATED TORNADO IS ALSO POSSIBLE.

AN UPPER LEVEL WEATHER DISTURBANCE WITH LIFT ACROSS THE AREA
TODAY WITH DEEP MOISTURE POOLING AHEAD OF A COLD FRONT. INITIALLY STORMS SHOULD BE ELEVATED AND A STRONGER WIND SIGNAL LATER THIS MORNING AND EARLY THIS AFTERNOON IN NORTHEAST NEBRASKA COULD LEAD TO STORMS WITH STRONGER WINDS.

HEATING WILL ALSO OCCUR AND WIND SHEAR IS SUFFICIENT FOR AN ISOLATED TORNADO. A LOT WILL DEPEND ON HOW EXTENSIVE THE CLOUD COVER IS AND IF THERE ARE ANY LOW LEVEL BOUNDARIES TO HELP FOCUS ON. LOCALLY HEAVY RAIN WILL ALSO BE POSSIBLE AS A MOISTURE RICH ATMOSPHERE FEEDS INTO THE STORMS AND MULTIPLE ROUNDS OF STORMS ARE POSSIBLE.

WEDNESDAY THROUGH MONDAY: THE SLIGHT RISK FOR SEVERE STORMS WILL CONTINUE WEDNESDAY IN SOUTHEAST NEBRASKA AND SOUTHWEST IOWA ALONG WITH HEAVY RAIN.  THUNDERSTORM CHANCES RETURN FRIDAY INTO MONDAY WITH A GOOD CHANCE FOR STORMS FRIDAY NIGHT AND SATURDAY AGAIN MONDAY.

.SPOTTER INFORMATION STATEMENT…

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND TONIGHT.

COUNTIES: SAC-CRAWFORD-CARROLL-AUDUBON-GUTHRIE-CASS-ADAIR-ADAMS-UNION- TAYLOR-RINGGOLD- 452 AM CDT TUE AUG 23 2016

TODAY AND TONIGHT: THUNDERSTORMS WILL DEVELOP ACROSS THE OUTLOOK AREA THIS AFTERNOON AND BECOME WIDESPREAD TONIGHT. THERE IS A SLIGHT RISK FOR SEVERE STORMS WITH HAIL AND DAMAGING WIND THE MAIN THREATS. AN ISOLATED TORNADO IS POSSIBLE DURING THE LATE AFTERNOON AND EVENING HOURS. HEAVY RAINFALL AND THE POTENTIAL FOR FLOODING IS POSSIBLE WITH STORMS TONIGHT.

WEDNESDAY THROUGH MONDAY: THUNDERSTORM CHANCES REMAIN IN THE FORECAST ACROSS AREAS SOUTH OF INTERSTATE 80 WEDNESDAY AND ACROSS THE ENTIRE AREA FRIDAY NIGHT THROUGH THE WEEKEND. A FEW SEVERE STORMS AND THE THREAT FOR HEAVY RAINFALL ARE POSSIBLE FAR SOUTH ON WEDNESDAY.

THE SEVERE AND HEAVY RAIN THREATS FOR STORMS LATER IN THE WEEK THROUGH THE WEEKEND WILL BE BETTER DETERMINED IN LATER FORECASTS.

SPOTTER INFORMATION STATEMENT:  SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING AND AGAIN ON WEDNESDAY AFTERNOON.

347 AM CDT TUE AUG 23 2016

EARLY THIS MORNING…PARTLY CLOUDY. SOUTH WIND 5 TO 10 MPH.

TODAY…PARTLY SUNNY. A 50 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. BREEZY. HIGH IN THE LOWER 80S. SOUTH WIND 10 TO 20 MPH WITH GUSTS TO AROUND 30 MPH.

TONIGHT…THUNDERSTORMS LIKELY. LOW IN THE UPPER 60S. SOUTH WIND 5 TO 15 MPH. GUSTS UP TO 30 MPH THROUGH MIDNIGHT. CHANCE OF THUNDERSTORMS 70 PERCENT.

WEDNESDAY…MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF THUNDERSTORMS. HIGH IN THE LOWER 80S. SOUTHWEST WIND 5 TO 10 MPH SHIFTING TO THE NORTH IN THE AFTERNOON.

WEDNESDAY NIGHT…MOSTLY CLOUDY WITH A 50 PERCENT CHANCE OF THUNDERSTORMS. LOW IN THE LOWER 60S. NORTH WIND NEAR 10 MPH.

THURSDAY…PARTLY SUNNY. HIGH IN THE UPPER 70S. NORTH WIND 5 TO 10 MPH.

Today: Mostly Sunny. High 82. S @ 10-20mph

Tonight: P/Cldy. Low 66. S @ 5-10.

Tomorrow: P/Cldy to Cldy w/scattered late day showers & tstrms. High 83. S@10-20.

Wednesday: Scattered showers & thunderstorms. High 80.

Thursday: P/Cldy. High 82.

Sunday’s High in Atlantic was 80. Our 24-hours Low (ending today at 7-a.m.), was 51. Last year on this date, our High in Atlantic was 83 and the low was 51. The Record High in Atlantic on this date was 100 in 1914. The Record Low was 41 in 1904.

352 AM CDT MON AUG 22 2016

EARLY THIS MORNING…MOSTLY CLEAR. SOUTH WIND NEAR 5 MPH.

TODAY…SUNNY…BREEZY. HIGH IN THE LOWER 80S. SOUTH WIND 5 TO 15 MPH INCREASING TO 15 TO 20 MPH IN THE AFTERNOON. GUSTS UP TO 30 MPH.

TONIGHT…MOSTLY CLEAR. LOW IN THE MID 60S. SOUTH WIND 5 TO 15 MPH. GUSTS UP TO 25 MPH THROUGH MIDNIGHT.

TUESDAY…MOSTLY SUNNY UNTIL LATE AFTERNOON THEN BECOMING MOSTLY CLOUDY. A 40 PERCENT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. HIGH IN THE MID 80S. SOUTH WIND 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH.

TUESDAY NIGHT…THUNDERSTORMS LIKELY. SOME THUNDERSTORMS MAY PRODUCE HEAVY RAINFALL. LOW IN THE UPPER 60S. SOUTH WIND 5 TO 15 MPH. GUSTS UP TO 25 MPH THROUGH MIDNIGHT. CHANCE OF THUNDERSTORMS 70 PERCENT.

WEDNESDAY…PARTLY SUNNY WITH A 50 PERCENT CHANCE OF THUNDERSTORMS. HIGH IN THE LOWER 80S. SOUTHWEST WIND 5 TO 10 MPH SHIFTING TO THE NORTHWEST IN THE AFTERNOON.

Skyscan Forecast  Friday

Today: Partly cloudy to cloudy. Few scattered showers early then showers and thunderstorms developing in the afternoon. S @ 10-20. High 88.

Tonight: Mostly cloudy. Showers and thunderstorms. NW @ 10. Low 62.

Saturday: Mostly cloudy. Cooler. Showers in the morning. NW @ 15-25. High 72.

Sunday: Mostly sunny. High 76.

Monday: Partly cloudy. High 81.

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Skyscan Forecast  Thursday, August 18th, 2016   Dan Hicks

Today: Fog early. Partly cloudy, warm and humid. S @ 10-20. High 90.

Tonight: Partly cloudy. S @ 5-10. Low 72.

Friday: Partly cloudy. Warm and Humid. Few afternoon thunderstorms. S @ 15-25. High 88.

Saturday: Mostly cloudy. Morning showers. Cooler. High 72.

Sunday: Partly cloudy. High 76.

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