717
WWUS53 KOAX 180121
SVSOAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
821 PM CDT SUN MAY 17 2026
IAC085-155-NEC177-180130-
/O.CON.KOAX.TO.W.0018.000000T0000Z-260518T0130Z/
POTTAWATTAMIE IA-HARRISON IA-WASHINGTON NE-
821 PM CDT SUN MAY 17 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
NORTHWESTERN POTTAWATTAMIE...SOUTHWESTERN HARRISON AND SOUTHEASTERN
WASHINGTON COUNTIES...
AT 821 PM CDT, A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 4 MILES NORTH OF FORT CALHOUN, OR 6 MILES EAST OF BLAIR,
MOVING NORTHEAST AT 40 MPH.
HAZARD...TORNADO AND QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS, WINDOWS, AND VEHICLES WILL OCCUR. TREE DAMAGE IS
LIKELY.
LOCATIONS IMPACTED INCLUDE...
MISSOURI VALLEY.
THIS INCLUDES INTERSTATE 29 BETWEEN MILE MARKERS 74 AND 79.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS, IN A
MOBILE HOME, OR IN A VEHICLE, MOVE TO THE CLOSEST SUBSTANTIAL SHELTER
AND PROTECT YOURSELF FROM FLYING DEBRIS.
LAT...LON 4145 9606 4150 9611 4164 9595 4154 9584
TIME...MOT...LOC 0121Z 229DEG 36KT 4151 9602
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
BLB
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