316 
WUUS53 KDMX 162120
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IAC033-162145-
/O.NEW.KDMX.SV.W.0231.250916T2120Z-250916T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Des Moines IA
420 PM CDT Tue Sep 16 2025

The National Weather Service in Des Moines has issued a

* Severe Thunderstorm Warning for...
  Southern Cerro Gordo County in north central Iowa...

* Until 445 PM CDT.

* At 420 PM CDT, a severe thunderstorm was located over Swaledale, or
  13 miles southwest of Mason City, and is nearly stationary.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Rockwell, Thornton, and Swaledale.

This includes Interstate 35 between mile markers 180 and 188.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4301 9311 4291 9323 4291 9327 4295 9348
      4307 9336
TIME...MOT...LOC 2120Z 216DEG 2KT 4297 9331 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH

$$

05

259 
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SVSDMX

Severe Weather Statement
National Weather Service Des Moines IA
445 PM CDT Tue Sep 16 2025

IAC033-162155-
/O.EXP.KDMX.SV.W.0231.000000T0000Z-250916T2145Z/
Cerro Gordo IA-
445 PM CDT Tue Sep 16 2025

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN CERRO GORDO COUNTY
HAS EXPIRED...

The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been allowed to expire.  However, heavy
rain is still possible with this thunderstorm.

LAT...LON 4301 9311 4291 9323 4291 9327 4295 9348
      4307 9336
TIME...MOT...LOC 2145Z 216DEG 2KT 4298 9330 

$$

Fowle