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Tornado Warning 0037
Issued by the Des Moines Forecast Office

Action Issued Starts Expiration
New 2026-05-17 21:08:54 2026-05-17 21:08:00 2026-05-17 22:00:00
Continued 2026-05-17 21:22:40 2026-05-17 22:00:00
Expired 2026-05-17 21:50:41 2026-05-17 22:00:00


Action: New
Issued At: 2026-05-17 21:08:54

248 
WFUS53 KDMX 180208
TORDMX
IAC091-109-147-151-180300-
/O.NEW.KDMX.TO.W.0037.260518T0208Z-260518T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Des Moines IA
908 PM CDT Sun May 17 2026

The National Weather Service in Des Moines has issued a

* Tornado Warning for...
  Northeastern Pocahontas County in northwestern Iowa...
  Kossuth County in north central Iowa...
  Northern Humboldt County in north central Iowa...
  Eastern Palo Alto County in northwestern Iowa...

* Until 1000 PM CDT.

* At 908 PM CDT, a severe thunderstorm capable of producing a tornado
  was located over Plover, or 10 miles northeast of Pocahontas,
  moving northeast at 60 mph.

  HAZARD...Tornado.

  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...
  West Bend and Ottosen around 915 PM CDT.
  St. Joseph and Irvington around 925 PM CDT.
  St. Benedict and Sexton around 930 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Curlew, Whittemore, Stinson Prairie State Park, Ottosen, St. Joseph,
West Bend, St. Benedict, Emmetsburg Municipal Airport, Bradgate, and
Plover.

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 4300 9397 4287 9397 4271 9464 4307 9481
      4338 9414
TIME...MOT...LOC 0208Z 245DEG 54KT 4287 9458 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Donavon


Action: Continued
Issued At: 2026-05-17 21:22:40

670 
WWUS53 KDMX 180222
SVSDMX

Severe Weather Statement
National Weather Service Des Moines IA
922 PM CDT Sun May 17 2026

IAC091-109-147-151-180300-
/O.CON.KDMX.TO.W.0037.000000T0000Z-260518T0300Z/
Pocahontas IA-Kossuth IA-Humboldt IA-Palo Alto IA-
922 PM CDT Sun May 17 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR
NORTHEASTERN POCAHONTAS...KOSSUTH...NORTHERN HUMBOLDT AND EASTERN
PALO ALTO COUNTIES...

At 922 PM CDT, a severe thunderstorm capable of producing a tornado
was located 5 miles northeast of Ottosen, or 9 miles southwest of
Algona, moving northeast at 60 mph.

HAZARD...Tornado.

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...
  Irvington around 925 PM CDT.
  St. Benedict and Sexton around 930 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Sexton, Livermore, Whittemore, Stinson Prairie State Park, Ottosen,
Burt, St. Joseph, Irvington, Rodman, and Lone Rock.

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 4300 9397 4287 9397 4273 9455 4311 9472
      4338 9414
TIME...MOT...LOC 0222Z 245DEG 54KT 4296 9432 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Donavon


Action: Expired
Issued At: 2026-05-17 21:50:41

386 
WWUS53 KDMX 180250
SVSDMX

Severe Weather Statement
National Weather Service Des Moines IA
950 PM CDT Sun May 17 2026

IAC091-109-147-151-180300-
/O.EXP.KDMX.TO.W.0037.000000T0000Z-260518T0300Z/
Pocahontas IA-Kossuth IA-Humboldt IA-Palo Alto IA-
950 PM CDT Sun May 17 2026

...THE TORNADO WARNING FOR NORTHEASTERN POCAHONTAS...KOSSUTH...
NORTHERN HUMBOLDT AND EASTERN PALO ALTO COUNTIES WILL EXPIRE AT 1000
PM CDT...

The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 100 AM CDT for north central
and northwestern Iowa.

LAT...LON 4300 9397 4287 9397 4273 9455 4311 9472
      4338 9414
TIME...MOT...LOC 0250Z 245DEG 54KT 4313 9382 

$$

Donavon



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