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Tornado Warning 0031
Issued by the Des Moines Forecast Office

Action Issued Starts Expiration
New 2026-05-15 20:53:44 2026-05-15 20:53:00 2026-05-15 21:45:00
Continued 2026-05-15 21:09:12 2026-05-15 21:45:00
Cancelled 2026-05-15 21:12:12 2026-05-15 21:45:00


Action: New
Issued At: 2026-05-15 20:53:44

614 
WFUS53 KDMX 160153
TORDMX
IAC033-160245-
/O.NEW.KDMX.TO.W.0031.260516T0153Z-260516T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Des Moines IA
853 PM CDT Fri May 15 2026

The National Weather Service in Des Moines has issued a

* Tornado Warning for...
  Southeastern Cerro Gordo County in north central Iowa...

* Until 945 PM CDT.

* At 852 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Swaledale, or 12 miles south of Mason City, moving
  east at 20 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 dangerous storm will be near...
  Rockwell around 900 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Swaledale.

This includes Interstate 35 between mile markers 184 and 186.
 
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 4293 9303 4292 9330 4302 9336 4314 9302
TIME...MOT...LOC 0152Z 251DEG 18KT 4298 9325 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Jimenez


Action: Continued
Issued At: 2026-05-15 21:09:12

028 
WWUS53 KDMX 160208
SVSDMX

Severe Weather Statement
National Weather Service Des Moines IA
908 PM CDT Fri May 15 2026

IAC033-160245-
/O.CON.KDMX.TO.W.0031.000000T0000Z-260516T0245Z/
Cerro Gordo IA-
908 PM CDT Fri May 15 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM CDT FOR
SOUTHEASTERN CERRO GORDO COUNTY...

At 908 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Rockwell, or 9 miles southeast of Mason City, moving
northeast at 25 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
southeastern Cerro Gordo County.

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 4298 9303 4297 9315 4304 9319 4314 9302
TIME...MOT...LOC 0208Z 243DEG 23KT 4303 9312 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Jimenez


Action: Cancelled
Issued At: 2026-05-15 21:12:12

162 
WWUS53 KDMX 160211
SVSDMX

Severe Weather Statement
National Weather Service Des Moines IA
911 PM CDT Fri May 15 2026

IAC033-160221-
/O.CAN.KDMX.TO.W.0031.000000T0000Z-260516T0245Z/
Cerro Gordo IA-
911 PM CDT Fri May 15 2026

...THE TORNADO WARNING FOR SOUTHEASTERN CERRO GORDO COUNTY IS
CANCELLED...

The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 100 AM CDT for
north central Iowa.

LAT...LON 4298 9303 4297 9315 4304 9319 4314 9302
TIME...MOT...LOC 0210Z 251DEG 18KT 4304 9310 

$$

Jimenez





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