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2025 [KDMX] DES_MOINES Severe Thunderstorm (SV) Warning (W) Number 21

Listing of Counties/Parishes/Zones Included in Product

RADAR Composite at Issuance Time

Storm Based Warning History

898 
WUUS53 KDMX 150011
SVRDMX
IAC013-017-023-033-069-075-081-189-195-150115-
/O.NEW.KDMX.SV.W.0021.250315T0011Z-250315T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Des Moines IA
711 PM CDT Fri Mar 14 2025

The National Weather Service in Des Moines  has issued a

* Severe Thunderstorm Warning for...
  Black Hawk County in northeastern Iowa...
  Worth County in north central Iowa...
  Bremer County in northeastern Iowa...
  Northeastern Franklin County in north central Iowa...
  Northern Hancock County in north central Iowa...
  Northeastern Grundy County in central Iowa...
  Butler County in north central Iowa...
  Cerro Gordo County in north central Iowa...
  Winnebago County in north central Iowa...

* Until 815 PM CDT.

* At 710 PM CDT, severe thunderstorms were located along a line
  extending from near Eagle Lake State Park to Aredale to 6 miles
  north of Tf Clark State Park, moving northeast at 45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Clarksville, Lake Mills Municipal Airport, McIntosh Woods State
  Park, Forest City Municipal Airport, Plainfield, Grafton, Waterloo,
  George Wyth State Park, Buffalo Center, Mason City, Readlyn, Eagle
  Lake State Park, Kensett, Ventura, Evansdale, Thompson, Dike, Cedar
  Falls, Hayfield, and Janesville.

This includes the following highways...
 Interstate 35 between mile markers 177 and 218.
 Interstate 380 between mile markers 57 and 73.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4230 9257 4275 9303 4319 9397 4350 9397
      4350 9303 4291 9301 4291 9208 4230 9207
TIME...MOT...LOC 0010Z 216DEG 40KT 4313 9378 4282 9301 4231 9246 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH

$$

Fowle
013 
WWUS53 KDMX 150024
SVSDMX

Severe Weather Statement
National Weather Service Des Moines IA
724 PM CDT Fri Mar 14 2025

IAC013-017-023-033-069-075-081-189-195-150115-
/O.CON.KDMX.SV.W.0021.000000T0000Z-250315T0115Z/
Black Hawk IA-Worth IA-Bremer IA-Franklin IA-Hancock IA-Grundy IA-
Butler IA-Cerro Gordo IA-Winnebago IA-
724 PM CDT Fri Mar 14 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR BLACK HAWK...WORTH...BREMER...NORTHEASTERN FRANKLIN...NORTHERN
HANCOCK...NORTHEASTERN GRUNDY...BUTLER...CERRO GORDO AND WINNEBAGO
COUNTIES...

At 722 PM CDT, severe thunderstorms were located along a line
extending from near Crystal Lake to near Dougherty to near Hudson,
moving north at 60 mph.

HAZARD...70 mph wind gusts.

SOURCE...Trained weather spotters. At 720pm, a trained spotter 
         reported a wind gust of 71mph in Grundy Center. 

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Clarksville, Lake Mills Municipal Airport, McIntosh Woods State Park,
Forest City Municipal Airport, Plainfield, Grafton, Waterloo, George
Wyth State Park, Buffalo Center, Mason City, Readlyn, Eagle Lake
State Park, Kensett, Ventura, Evansdale, Thompson, Dike, Cedar Falls,
Hayfield, and Janesville.

This includes the following highways...
 Interstate 35 between mile markers 177 and 218.
 Interstate 380 between mile markers 57 and 73.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4230 9257 4275 9303 4319 9397 4350 9397
      4350 9303 4291 9301 4291 9208 4230 9207
TIME...MOT...LOC 0022Z 182DEG 52KT 4322 9374 4291 9297 4240 9242 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH

$$

Fowle
105 
WWUS53 KDMX 150101
SVSDMX

Severe Weather Statement
National Weather Service Des Moines IA
801 PM CDT Fri Mar 14 2025

IAC033-069-081-189-195-150110-
/O.CAN.KDMX.SV.W.0021.000000T0000Z-250315T0115Z/
Worth IA-Franklin IA-Hancock IA-Cerro Gordo IA-Winnebago IA-
801 PM CDT Fri Mar 14 2025

...THE SEVERE THUNDERSTORM WARNING FOR WORTH...NORTHEASTERN
FRANKLIN...NORTHERN HANCOCK...CERRO GORDO AND WINNEBAGO COUNTIES IS
CANCELLED...

The storms which prompted the warning have weakened. Therefore, the 
warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
central, north central and northeastern Iowa.

LAT...LON 4230 9233 4256 9264 4291 9299 4291 9208
      4230 9207
TIME...MOT...LOC 0100Z 176DEG 55KT 4341 9350 4310 9273 4259 9218 

$$

IAC013-017-023-075-150115-
/O.CON.KDMX.SV.W.0021.000000T0000Z-250315T0115Z/
Black Hawk IA-Bremer IA-Grundy IA-Butler IA-
801 PM CDT Fri Mar 14 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR BLACK HAWK...BREMER...NORTHEASTERN GRUNDY AND EASTERN BUTLER
COUNTIES...

At 800 PM CDT, severe thunderstorms were located along a line
extending from Lake Mills Municipal Airport to Floyd Crossing to near
Dunkerton, moving north at 60 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Clarksville, Raymond, Plainfield, Dunkerton, Waterloo, New Hartford,
George Wyth State Park, Crossroads Mall, Allison Municipal Airport,
Readlyn, Waverly Municipal Airport, Sumner, Tripoli, Denver,
Evansdale, Shell Rock, Cedar Falls, Janesville, Elk Run Heights, and
Hudson.

This includes Interstate 380 between mile markers 57 and 73.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4230 9233 4256 9264 4291 9299 4291 9208
      4230 9207
TIME...MOT...LOC 0100Z 176DEG 55KT 4341 9350 4310 9273 4259 9218 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Fowle
Permalink to 202503150011-KDMX-WUUS53-SVRDMX
898 
WUUS53 KDMX 150011
SVRDMX
IAC013-017-023-033-069-075-081-189-195-150115-
/O.NEW.KDMX.SV.W.0021.250315T0011Z-250315T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Des Moines IA
711 PM CDT Fri Mar 14 2025

The National Weather Service in Des Moines  has issued a

* Severe Thunderstorm Warning for...
  Black Hawk County in northeastern Iowa...
  Worth County in north central Iowa...
  Bremer County in northeastern Iowa...
  Northeastern Franklin County in north central Iowa...
  Northern Hancock County in north central Iowa...
  Northeastern Grundy County in central Iowa...
  Butler County in north central Iowa...
  Cerro Gordo County in north central Iowa...
  Winnebago County in north central Iowa...

* Until 815 PM CDT.

* At 710 PM CDT, severe thunderstorms were located along a line
  extending from near Eagle Lake State Park to Aredale to 6 miles
  north of Tf Clark State Park, moving northeast at 45 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Clarksville, Lake Mills Municipal Airport, McIntosh Woods State
  Park, Forest City Municipal Airport, Plainfield, Grafton, Waterloo,
  George Wyth State Park, Buffalo Center, Mason City, Readlyn, Eagle
  Lake State Park, Kensett, Ventura, Evansdale, Thompson, Dike, Cedar
  Falls, Hayfield, and Janesville.

This includes the following highways...
 Interstate 35 between mile markers 177 and 218.
 Interstate 380 between mile markers 57 and 73.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4230 9257 4275 9303 4319 9397 4350 9397
      4350 9303 4291 9301 4291 9208 4230 9207
TIME...MOT...LOC 0010Z 216DEG 40KT 4313 9378 4282 9301 4231 9246 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH

$$

Fowle
Permalink to 202503150024-KDMX-WWUS53-SVSDMX
013 
WWUS53 KDMX 150024
SVSDMX

Severe Weather Statement
National Weather Service Des Moines IA
724 PM CDT Fri Mar 14 2025

IAC013-017-023-033-069-075-081-189-195-150115-
/O.CON.KDMX.SV.W.0021.000000T0000Z-250315T0115Z/
Black Hawk IA-Worth IA-Bremer IA-Franklin IA-Hancock IA-Grundy IA-
Butler IA-Cerro Gordo IA-Winnebago IA-
724 PM CDT Fri Mar 14 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR BLACK HAWK...WORTH...BREMER...NORTHEASTERN FRANKLIN...NORTHERN
HANCOCK...NORTHEASTERN GRUNDY...BUTLER...CERRO GORDO AND WINNEBAGO
COUNTIES...

At 722 PM CDT, severe thunderstorms were located along a line
extending from near Crystal Lake to near Dougherty to near Hudson,
moving north at 60 mph.

HAZARD...70 mph wind gusts.

SOURCE...Trained weather spotters. At 720pm, a trained spotter 
         reported a wind gust of 71mph in Grundy Center. 

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Clarksville, Lake Mills Municipal Airport, McIntosh Woods State Park,
Forest City Municipal Airport, Plainfield, Grafton, Waterloo, George
Wyth State Park, Buffalo Center, Mason City, Readlyn, Eagle Lake
State Park, Kensett, Ventura, Evansdale, Thompson, Dike, Cedar Falls,
Hayfield, and Janesville.

This includes the following highways...
 Interstate 35 between mile markers 177 and 218.
 Interstate 380 between mile markers 57 and 73.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4230 9257 4275 9303 4319 9397 4350 9397
      4350 9303 4291 9301 4291 9208 4230 9207
TIME...MOT...LOC 0022Z 182DEG 52KT 4322 9374 4291 9297 4240 9242 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH

$$

Fowle
Permalink to 202503150101-KDMX-WWUS53-SVSDMX
105 
WWUS53 KDMX 150101
SVSDMX

Severe Weather Statement
National Weather Service Des Moines IA
801 PM CDT Fri Mar 14 2025

IAC033-069-081-189-195-150110-
/O.CAN.KDMX.SV.W.0021.000000T0000Z-250315T0115Z/
Worth IA-Franklin IA-Hancock IA-Cerro Gordo IA-Winnebago IA-
801 PM CDT Fri Mar 14 2025

...THE SEVERE THUNDERSTORM WARNING FOR WORTH...NORTHEASTERN
FRANKLIN...NORTHERN HANCOCK...CERRO GORDO AND WINNEBAGO COUNTIES IS
CANCELLED...

The storms which prompted the warning have weakened. Therefore, the 
warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
central, north central and northeastern Iowa.

LAT...LON 4230 9233 4256 9264 4291 9299 4291 9208
      4230 9207
TIME...MOT...LOC 0100Z 176DEG 55KT 4341 9350 4310 9273 4259 9218 

$$

IAC013-017-023-075-150115-
/O.CON.KDMX.SV.W.0021.000000T0000Z-250315T0115Z/
Black Hawk IA-Bremer IA-Grundy IA-Butler IA-
801 PM CDT Fri Mar 14 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR BLACK HAWK...BREMER...NORTHEASTERN GRUNDY AND EASTERN BUTLER
COUNTIES...

At 800 PM CDT, severe thunderstorms were located along a line
extending from Lake Mills Municipal Airport to Floyd Crossing to near
Dunkerton, moving north at 60 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Clarksville, Raymond, Plainfield, Dunkerton, Waterloo, New Hartford,
George Wyth State Park, Crossroads Mall, Allison Municipal Airport,
Readlyn, Waverly Municipal Airport, Sumner, Tripoli, Denver,
Evansdale, Shell Rock, Cedar Falls, Janesville, Elk Run Heights, and
Hudson.

This includes Interstate 380 between mile markers 57 and 73.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4230 9233 4256 9264 4291 9299 4291 9208
      4230 9207
TIME...MOT...LOC 0100Z 176DEG 55KT 4341 9350 4310 9273 4259 9218 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Fowle

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