439 AM CDT TUE AUG 18 2015

SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN POTTAWATTAMIE and SOUTHWESTERN HARRISON COUNTIES UNTIL 530 AM CDT…

AT 439 AM CDT…DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER FORT CALHOUN…OR 14 MILES NORTH OF OMAHA…MOVING NORTHEAST AT 20 MPH. NICKEL SIZE HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE…

MISSOURI VALLEY…LOGAN…FORT CALHOUN…MAGNOLIA…DESOTO BEND NATIONAL WILDLIFE REFUGE…HISTORICAL VILLAGE WELCOME CENTER AND WILSON ISLAND STATE PARK.

THIS INCLUDES THE FOLLOWING HIGHWAYS…

HIGHWAY 30 IN IOWA BETWEEN MILE MARKERS 3 AND 5.

HIGHWAY 75 IN NEBRASKA BETWEEN MILE MARKERS 105 AND 111.

INTERSTATE 29 BETWEEN MILE MARKERS 71 AND 79.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM…AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.