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Home Return to list Tornado Warning 0023 Issued by the Omaha / Valley Forecast Office
Action: New Issued At: 2026-05-17 21:06:39
222
WFUS53 KOAX 180206
TOROAX
IAC129-137-155-180245-
/O.NEW.KOAX.TO.W.0023.260518T0206Z-260518T0245Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Omaha/Valley Nebraska
906 PM CDT Sun May 17 2026
The National Weather Service in Omaha has issued a
* Tornado Warning for...
Northwestern Montgomery County in southwestern Iowa...
Northeastern Mills County in southwestern Iowa...
Southeastern Pottawattamie County in southwestern Iowa...
* Until 945 PM CDT.
* At 906 PM CDT, a severe thunderstorm capable of producing a tornado
was located 3 miles east of Silver City, or 17 miles southeast of
Council Bluffs, moving northeast at 55 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation. This storm has a history of
producing a tornado near Plattsmouth.
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...
Carson, Macedonia, Silver City, Henderson, Old Town Park, and Farm
Creek Public Wildlife Area.
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 4116 9516 4103 9562 4111 9569 4139 9515
TIME...MOT...LOC 0206Z 244DEG 49KT 4110 9557
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
BLB
Action: Continued Issued At: 2026-05-17 21:19:39
645
WWUS53 KOAX 180219
SVSOAX
Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
919 PM CDT Sun May 17 2026
IAC129-180229-
/O.CAN.KOAX.TO.W.0023.000000T0000Z-260518T0245Z/
Mills IA-
919 PM CDT Sun May 17 2026
...THE TORNADO WARNING FOR NORTHEASTERN MILLS COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1100 PM CDT for southwestern
Iowa.
&&
LAT...LON 4116 9517 4110 9536 4110 9538 4116 9538
4126 9516 4116 9516
TIME...MOT...LOC 0219Z 254DEG 45KT 4113 9535
$$
IAC137-155-180245-
/O.CON.KOAX.TO.W.0023.000000T0000Z-260518T0245Z/
Montgomery IA-Pottawattamie IA-
919 PM CDT Sun May 17 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR
NORTHWESTERN MONTGOMERY AND SOUTHEASTERN POTTAWATTAMIE COUNTIES...
At 919 PM CDT, a severe thunderstorm capable of producing a tornado
was located 4 miles east of Henderson, or 10 miles northwest of Red
Oak, moving east at 50 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.
This tornadic thunderstorm will remain over mainly rural areas of
northwestern Montgomery and southeastern Pottawattamie Counties.
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 4116 9517 4110 9536 4110 9538 4116 9538
4126 9516 4116 9516
TIME...MOT...LOC 0219Z 254DEG 45KT 4113 9535
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
McCoy
Action: Cancelled Issued At: 2026-05-17 21:19:39
645
WWUS53 KOAX 180219
SVSOAX
Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
919 PM CDT Sun May 17 2026
IAC129-180229-
/O.CAN.KOAX.TO.W.0023.000000T0000Z-260518T0245Z/
Mills IA-
919 PM CDT Sun May 17 2026
...THE TORNADO WARNING FOR NORTHEASTERN MILLS COUNTY IS CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
A Tornado Watch remains in effect until 1100 PM CDT for southwestern
Iowa.
&&
LAT...LON 4116 9517 4110 9536 4110 9538 4116 9538
4126 9516 4116 9516
TIME...MOT...LOC 0219Z 254DEG 45KT 4113 9535
$$
IAC137-155-180245-
/O.CON.KOAX.TO.W.0023.000000T0000Z-260518T0245Z/
Montgomery IA-Pottawattamie IA-
919 PM CDT Sun May 17 2026
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR
NORTHWESTERN MONTGOMERY AND SOUTHEASTERN POTTAWATTAMIE COUNTIES...
At 919 PM CDT, a severe thunderstorm capable of producing a tornado
was located 4 miles east of Henderson, or 10 miles northwest of Red
Oak, moving east at 50 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.
This tornadic thunderstorm will remain over mainly rural areas of
northwestern Montgomery and southeastern Pottawattamie Counties.
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 4116 9517 4110 9536 4110 9538 4116 9538
4126 9516 4116 9516
TIME...MOT...LOC 0219Z 254DEG 45KT 4113 9535
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
McCoy
Action: Expired Issued At: 2026-05-17 21:36:40
009
WWUS53 KOAX 180236
SVSOAX
Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
936 PM CDT Sun May 17 2026
IAC137-155-180246-
/O.EXP.KOAX.TO.W.0023.000000T0000Z-260518T0245Z/
Montgomery IA-Pottawattamie IA-
936 PM CDT Sun May 17 2026
...THE TORNADO WARNING FOR NORTHWESTERN MONTGOMERY AND SOUTHEASTERN
POTTAWATTAMIE COUNTIES WILL EXPIRE AT 945 PM CDT...
The storm which prompted the warning has exited the warned area.
Therefore, the warning will be allowed to expire.
A Tornado Watch remains in effect until 1100 PM CDT for southwestern
Iowa.
&&
LAT...LON 4116 9517 4110 9536 4110 9538 4116 9538
4126 9516 4116 9516
TIME...MOT...LOC 0236Z 244DEG 49KT 4122 9510
$$
McCoy
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