462
WWUS53 KOAX 180217
SVSOAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NEBRASKA
917 PM CDT SUN MAY 17 2026
IAC133-180226-
/O.CAN.KOAX.SV.W.0154.000000T0000Z-260518T0300Z/
MONONA IA-
917 PM CDT SUN MAY 17 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MONONA COUNTY IS
CANCELLED...
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE, THE WARNING HAS BEEN CANCELLED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT FOR SOUTHWESTERN
IOWA.
LAT...LON 4150 9516 4116 9516 4116 9584 4152 9573
4166 9562 4186 9558 4186 9510 4160 9509
4160 9504 4151 9504
TIME...MOT...LOC 0216Z 252DEG 40KT 4180 9520 4146 9520 4124 9529
IAC085-155-165-180300-
/O.CON.KOAX.SV.W.0154.000000T0000Z-260518T0300Z/
POTTAWATTAMIE IA-HARRISON IA-SHELBY IA-
917 PM CDT SUN MAY 17 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT
FOR POTTAWATTAMIE...EASTERN HARRISON AND SHELBY COUNTIES...
AT 916 PM CDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR IRWIN TO 2 MILES SOUTHEAST OF WALNUT TO 6 MILES
EAST OF CARSON, MOVING EAST AT 45 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS, SIDING, AND TREES.
LOCATIONS IMPACTED INCLUDE...
EASTERN COUNCIL BLUFFS, HARLAN, OAKLAND, AVOCA, TREYNOR, UNDERWOOD,
NEOLA, CARSON, WALNUT, SHELBY, MINDEN, EARLING, IRWIN, PERSIA,
DEFIANCE, MACEDONIA, PANAMA, HANCOCK, COUNCIL BLUFFS AIRPORT, AND
PORTSMOUTH.
THIS INCLUDES THE FOLLOWING HIGHWAYS...
INTERSTATE 29 NEAR MILE MARKER 43.
INTERSTATE 80 IN IOWA BETWEEN MILE MARKERS 8 AND 48.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CDT FOR SOUTHWESTERN
IOWA.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
LAT...LON 4150 9516 4116 9516 4116 9584 4152 9573
4166 9562 4186 9558 4186 9510 4160 9509
4160 9504 4151 9504
TIME...MOT...LOC 0216Z 252DEG 40KT 4180 9520 4146 9520 4124 9529
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
PETERSEN
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