Severe Thunderstorm Warning 113, NWS Des Moines, IA

Issued

May 16, 2017, 10:15 PM CDT (03:15 UTC)

Expired

May 16, 2017, 10:48 PM CDT

In force

33 min

Issued by

NWS Des Moines, IA

Area

Storm-based polygon

Hail

0.75 in

Wind

60.0 mph

Counties Butler County, IA, Cerro Gordo County, IA, Franklin County, IA, Worth County, IA

The Des Moines radar (KDMX), 156 km from the middle of the area, began a volume at 03:17 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

852 
WUUS53 KDMX 170315
SVRDMX
IAC023-033-069-195-170400-
/O.NEW.KDMX.SV.W.0113.170517T0315Z-170517T0400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Des Moines IA
1015 PM CDT TUE MAY 16 2017

The National Weather Service in Des Moines  has issued a

* Severe Thunderstorm Warning for...
  Worth County in north central Iowa...
  Northern Franklin County in north central Iowa...
  Northwestern Butler County in north central Iowa...
  Cerro Gordo County in north central Iowa...

* Until 1100 PM CDT.

* At 1014 PM CDT, severe thunderstorms were located along a line
  extending from 7 miles north of Mason City Municipal Airport to
  near Mason City to near Hampton, moving northeast at 40 mph.

  HAZARD...60 mph wind gusts and penny size hail. 

  SOURCE...Radar indicated. 

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

* Locations impacted include...
  Mason City, Hampton, Northwood, Manly, Sheffield, Greene, Rockwell,
  Clear Lake, Mason City Municipal Airport, Ventura, Latimer,
  Thornton, Plymouth, Fertile, Coulter, Kensett, Grafton, Hanlontown,
  Swaledale and Bristow.

This includes Interstate 35 between mile markers 162 and 210.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4291 9303 4291 9274 4278 9291 4269 9343
      4327 9345 4350 9321 4350 9303
TIME...MOT...LOC 0314Z 236DEG 34KT 4327 9334 4307 9321 4281 9326 

HAIL...0.75IN
WIND...60MPH
 
$$

Lee

202 
WWUS53 KDMX 170331
SVSDMX

Severe Weather Statement
National Weather Service Des Moines IA
1031 PM CDT TUE MAY 16 2017

IAC023-033-069-195-170400-
/O.CON.KDMX.SV.W.0113.000000T0000Z-170517T0400Z/
Worth IA-Franklin IA-Butler IA-Cerro Gordo IA-
1031 PM CDT TUE MAY 16 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR EASTERN WORTH...NORTHEASTERN FRANKLIN...NORTHWESTERN BUTLER AND
EASTERN CERRO GORDO COUNTIES...

At 1030 PM CDT, severe thunderstorms were located along a line
extending from near Manly to Nora Springs to near Sheffield, moving
northeast at 40 mph.

HAZARD...70 mph wind gusts and pea size hail. At 1025 PM, 71 mph 
         wind gust was reported in Grafton.

SOURCE...Trained weather spotters. 

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

Locations impacted include...
Mason City, Northwood, Manly, Sheffield, Greene, Rockwell, Plymouth,
Kensett, Grafton, Bristow, Rock Falls, Chapin, Aredale, Dougherty,
Portland, Bolan and Northwood Municipal.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4291 9303 4291 9274 4278 9291 4279 9324
      4333 9326 4350 9321 4350 9303
TIME...MOT...LOC 0330Z 236DEG 34KT 4334 9320 4314 9307 4288 9312 

HAIL...0.75IN
WIND...70MPH
 
$$

Ansorge

275 
WWUS53 KDMX 170348
SVSDMX

Severe Weather Statement
National Weather Service Des Moines IA
1048 PM CDT TUE MAY 16 2017

IAC023-033-069-195-170357-
/O.CAN.KDMX.SV.W.0113.000000T0000Z-170517T0400Z/
Worth IA-Franklin IA-Butler IA-Cerro Gordo IA-
1048 PM CDT TUE MAY 16 2017

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN WORTH...NORTHEASTERN
FRANKLIN...NORTHWESTERN BUTLER AND EASTERN CERRO GORDO COUNTIES IS
CANCELLED...
            
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore the warning has been cancelled.  However gusty winds are
still possible with these thunderstorms.

A severe thunderstorm watch remains in effect until 300 AM CDT for
north central Iowa.

LAT...LON 4291 9303 4291 9274 4278 9291 4279 9324
      4333 9326 4350 9321 4350 9303
TIME...MOT...LOC 0345Z 236DEG 34KT 4342 9304 4322 9291 4296 9296 

$$

Ansorge

Severe Thunderstorm Warnings in Iowa, 2017Every severe thunderstorm warning in 2017

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.