Iowa, 2014

Hail and Heavy Rain in Iowa, July 25, 2014

July 25, 2014 · NWS DMX · 9 events in 5 counties and zones

Strong theta-e advection took place ahead of a warm front southwest of Iowa. Thunderstorms formed ahead of the front and produced a band of heavy rainfall from north central and parts of northwest Iowa into the southeast counties.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
$10,000
Events
9

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS DMX wrote it up.

Strong theta-e advection took place ahead of a warm front southwest of Iowa. Thunderstorms formed ahead of the front and produced a band of heavy rainfall from north central and parts of northwest Iowa into the southeast counties. Rainfall of two to nearly five inches was reported. A rainfall report of 4.68 inches was received east of Ringsted in Emmet County. No severe weather was reported, however nickel size hail fell north of Ankeny in Polk County.

The radar

The Des Moines radar (KDMX), 10 km away, was scanning. The volume nearest the first event began at 08:10 UTC.

Open the radar archive at this moment

Event by event

8 heavy rain, 1 hail. Local standard time, as filed.

Hail, Polk

When
July 25, 2:09 AM CST
Where
Polk County, 1.72 mi NE of Ankeny
Measured
0.88 in hail
Crop damage
$10,000
Reported by
Trained Spotter
Coordinates
41.750, -93.600

Pea size hail nearly covered the ground with a few stones as large as nickels.

Heavy Rain, Emmet

When
July 25, 2:30 AM CST
Where
Emmet County, 3.09 mi ENE of Ringsted
Reported by
Trained Spotter
Coordinates
43.310, -94.460

Rainfall of 4.68 inches was reported.

Heavy Rain, Kossuth

When
July 25, 5:45 AM CST
Where
Kossuth County, 2.3 mi NNW of Seneca
Reported by
Trained Spotter
Coordinates
43.330, -94.400

A trained spotter reported 3.6 inches of rainfall.

Heavy Rain, Emmet

When
July 25, 6:00 AM CST
Where
Emmet County, 0.5 mi E of Ringsted
Reported by
COOP Observer
Coordinates
43.300, -94.510

CO-OP over reported 2.34 inches of rainfall.

Heavy Rain, Hancock

When
July 25, 6:00 AM CST
Where
Hancock County, 1.01 mi E of Britt
Reported by
COOP Observer
Coordinates
43.100, -93.800

CO-OP observer measured 2.15 inches of rain through 0600 CST.

Heavy Rain, Hancock

When
July 25, 7:00 AM CST
Where
Hancock County, 0.51 mi W of Kanawha
Reported by
COOP Observer
Coordinates
42.930, -93.790

CO-OP observer measured 2.35 inches of rain through 0600 CST.

Heavy Rain, Emmet

When
July 25, 7:05 AM CST
Where
Emmet County, 1.22 mi SE of Armstrong
Reported by
Trained Spotter
Coordinates
43.390, -94.480

A trained spotter reported a measurement of 4.25 inches of rain.

Heavy Rain, Kossuth

When
July 25, 8:15 AM CST
Where
Kossuth County, 2.3 mi NNW of Seneca
Reported by
Trained Spotter
Coordinates
43.330, -94.400

A trained spotter reported an updated total of 4.25 inches of rain.

Heavy Rain, Poweshiek

When
July 25, 9:10 AM CST
Where
Poweshiek County, 1.03 mi E of Grinnell
Reported by
Trained Spotter
Coordinates
41.750, -92.710

A trained spotter measured 3.4 inches of rain.

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Heavy Rain
Rainfall totals unusual for the place and season that did not produce a flood.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Iowa in 2014Every state in 2014This day in weather historyWarnings in Iowa, July 2014

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 522430, 522431, 522432, 522433, 522441, 522436, 522438, 522439, 522440.