477 
WUUS53 KOAX 180142
SVROAX
IAC085-133-180215-
/O.NEW.KOAX.SV.W.0152.260518T0142Z-260518T0215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Omaha/Valley Nebraska
842 PM CDT Sun May 17 2026

The National Weather Service in Omaha has issued a

* Severe Thunderstorm Warning for...
  Southeastern Monona County in west central Iowa...
  Eastern Harrison County in southwestern Iowa...

* Until 915 PM CDT.

* At 842 PM CDT, severe thunderstorms were located along a line
  extending from 2 miles southwest of Moorhead to 6 miles east of
  Pisgah to 5 miles east of Logan, moving east at 40 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Weather Instrument Measurement. Mesonet station reported 
           65 mph wind gust near Missouri Valley, IA at 8:33 PM.

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Severe thunderstorms will be near...
  Woodbine and Moorhead around 845 PM CDT.
  Dunlap and Soldier around 850 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM CDT for west central
Iowa. A Tornado Watch also remains in effect until 1100 PM CDT for
southwestern Iowa.

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

&&

LAT...LON 4158 9572 4158 9590 4177 9596 4191 9608
      4206 9567 4187 9567 4186 9558
TIME...MOT...LOC 0142Z 259DEG 33KT 4191 9589 4182 9580 4162 9569 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH

$$

McCoy

902 
WWUS53 KOAX 180157
SVSOAX

Severe Weather Statement
National Weather Service Omaha/Valley Nebraska
857 PM CDT Sun May 17 2026

IAC085-133-180215-
/O.CON.KOAX.SV.W.0152.000000T0000Z-260518T0215Z/
Monona IA-Harrison IA-
857 PM CDT Sun May 17 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM CDT
FOR SOUTHEASTERN MONONA AND EASTERN HARRISON COUNTIES...

At 857 PM CDT, severe thunderstorms were located along a line
extending from 4 miles southeast of Soldier to 2 miles west of Dunlap
to 4 miles north of Persia, moving east at 40 mph.

HAZARD...70 mph wind gusts and penny size hail.

SOURCE...Weather Instrument Measurement.

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

These severe storms will be near...
  Dunlap around 900 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1000 PM CDT for west central
Iowa. A Tornado Watch also remains in effect until 1100 PM CDT for
southwestern Iowa.

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

&&

LAT...LON 4158 9572 4158 9581 4159 9581 4192 9594
      4206 9567 4187 9567 4186 9558
TIME...MOT...LOC 0157Z 259DEG 33KT 4193 9574 4184 9565 4164 9554 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...70 MPH

$$

Petersen