Alert archive / Iowa / Flash Flood Warnings in 2026
Flash Flood Warning 2, NWS Des Moines, IA
NWS Des Moines, IA issued this flash flood warning at May 31, 2026, 2:43 AM CDT for Taylor County, Iowa. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 31, 2026, 2:43 AM CDT (07:43 UTC)
- Expired
- May 31, 2026, 5:56 AM CDT
- In force
- 3 hr
- Issued by
- NWS Des Moines, IA
- Area
- Storm-based polygon
- Flood severity
- None
County Taylor County, IA
The radar
The Omaha radar (KOAX), 141 km from the middle of the area, began a volume at 07:43 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.
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 7.7 hours before the alert went out and 141 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1423 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 997 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.5
The text
As transmitted.
095
WGUS53 KDMX 310743
FFWDMX
IAC173-311345-
/O.NEW.KDMX.FF.W.0002.260531T0743Z-260531T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Des Moines IA
243 AM CDT Sun May 31 2026
The National Weather Service in Des Moines has issued a
* Flash Flood Warning for...
Western Taylor County in southwestern Iowa...
* Until 845 AM CDT Sunday.
* At 243 AM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 2.5 inches of
rain have fallen. Additional rainfall amounts of 0.5 to 1 inch are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Radar.
IMPACT...Flash flooding of small creeks and streams, urban
areas, highways, streets and underpasses as well as
other poor drainage and low-lying areas.
* Some locations that will experience flash flooding include...
New Market.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For the latest stream observations and forecasts refer to
weather.gov/desmoines/water.
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4075 9493 4076 9493 4079 9493 4080 9493
4081 9493 4086 9493 4082 9475 4057 9475
4057 9480 4057 9481 4058 9491 4073 9491
4073 9493
FLASH FLOOD...RADAR INDICATED
$$
Ansorge1 follow-up statement
064
WGUS73 KDMX 311056
FFSDMX
Flash Flood Statement
National Weather Service Des Moines IA
556 AM CDT Sun May 31 2026
IAC173-311106-
/O.CAN.KDMX.FF.W.0002.000000T0000Z-260531T1345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Taylor IA-
556 AM CDT Sun May 31 2026
...FLASH FLOOD WARNING IS CANCELLED FOR WESTERN TAYLOR COUNTY...
While there may be a bit of additional light rain in the next few
hours, the heavy rain has ended. Flooding is no longer expected to
pose a threat. Please continue to heed remaining road closures.
&&
LAT...LON 4075 9493 4076 9493 4079 9493 4080 9493
4081 9493 4086 9493 4082 9475 4057 9475
4057 9480 4057 9481 4058 9491 4073 9491
4073 9493
$$
AnsorgeNearby
Flash Flood Warnings in Iowa, 2026Every flash flood warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.