049
WWUS83 KDVN 170710
SPSDVN
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA/IL
210 AM CDT THU SEP 17 2026
IAZ064-067-077-078-170800-
WASHINGTON IA-MUSCATINE IA-LOUISA IA-JOHNSON IA-
210 AM CDT THU SEP 17 2026
...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF NORTHEASTERN
WASHINGTON, WESTERN MUSCATINE, NORTHWESTERN LOUISA AND SOUTHEASTERN
JOHNSON COUNTIES THROUGH 300 AM CDT...
AT 209 AM CDT, DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
RIVERSIDE, OR 11 MILES SOUTH OF IOWA CITY, MOVING EAST AT 25 MPH.
HAZARD...MINOR FLOODING.
SOURCE...RADAR INDICATED.
IMPACT...SLOWING OR REDIRECTING OF TRAFFIC DUE TO PONDING OR FLOWING
WATER. CLOSURE OF WATERFRONT ACCESS DUE TO FLOODING.
LOCATIONS IMPACTED INCLUDE...
WEST LIBERTY, LONE TREE, RIVERSIDE, HILLS, NICHOLS, ATALISSA,
SAULSBURY BRIDGE CAMPGROUND, CRANSTON, MUSCATINE COUNTY FAIRGROUNDS,
ARDON, HILLS ACCESS, AND RIVER JUNCTION.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TORRENTIAL RAINFALL IS OCCURRING AND MAY LEAD TO LOCALIZED FLOODING.
DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. STAY AWAY FROM
FLOODED AREAS. REPORT ANY FLOODING TO LOCAL LAW ENFORCEMENT.
FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.
LAT...LON 4160 9117 4160 9116 4137 9115 4142 9165
4155 9165
TIME...MOT...LOC 0709Z 264DEG 23KT 4150 9150
MAX HAIL SIZE...<0.75 IN
MAX WIND GUST...<40 MPH
MCCLURE
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