WWUS53 KDMX 190101
SVSDMX

Severe Weather Statement
National Weather Service Des Moines IA
801 PM CDT Mon May 18 2026

IAC125-181-190111-
/O.CAN.KDMX.TO.W.0050.000000T0000Z-260519T0130Z/
Marion IA-Warren IA-
801 PM CDT Mon May 18 2026

...THE TORNADO WARNING FOR NORTHWESTERN MARION AND NORTHEASTERN
WARREN COUNTIES IS CANCELLED...

The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

A Tornado Watch remains in effect until 1000 PM CDT for central Iowa.

LAT...LON 4151 9349 4156 9351 4170 9320 4156 9309
TIME...MOT...LOC 0101Z 245DEG 37KT 4160 9335 

$$

IAC099-153-190130-
/O.CON.KDMX.TO.W.0050.000000T0000Z-260519T0130Z/
Polk IA-Jasper IA-
801 PM CDT Mon May 18 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 830 PM CDT FOR
SOUTHEASTERN POLK AND SOUTHWESTERN JASPER COUNTIES...

At 801 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Mitchellville, or 7 miles southeast of Altoona,
moving northeast at 40 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...
  Colfax, Prairie City, and Prairie City Krohn Airport around 805 PM 
  CDT.

Other locations impacted by this tornadic thunderstorm include
Prairie City Krohn Airport.

This includes Interstate 80 near mile marker 157.
 
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 4151 9349 4156 9351 4170 9320 4156 9309
TIME...MOT...LOC 0101Z 245DEG 37KT 4160 9335 

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

$$

Donavon