Iowa, 2004

Hail in Iowa, October 7, 2004

October 7, 2004 · NWS DMX · 1 event in 1 county or zone

Thunderstorms lifted northeast across western Iowa during the morning of the 7th. The airmass was now all that unstable with lifted indices around +2, however elevated convection was able to take place.

Where it happened

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  • Tornadoes
  • Tropical storms and surge
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  • 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
$2,000
Crop damage
$5,000
Events
1

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.

Thunderstorms lifted northeast across western Iowa during the morning of the 7th. The airmass was now all that unstable with lifted indices around +2, however elevated convection was able to take place. Surface dew points were around 60 F. an freezing levels were around 10,000 feet. Several storms produced some small hail, with one storm producing nickel size hail in the Carroll Area.

The radar

The Des Moines radar (KDMX), 103 km away, was scanning. The volume nearest the first event began at 15:24 UTC.

Open the radar archive at this moment

Event by event

1 hail. Local standard time, as filed.

Hail, Carroll

When
October 7, 9:27 AM CST
Where
Carroll County, Carroll
Measured
0.88 in hail
Property damage
$2,000
Crop damage
$5,000
Reported by
TRAINED SPOTTER
Coordinates
42.067, -94.883

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

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

The same day elsewhere

More

Every storm in Iowa in 2004Every state in 2004This day in weather historyWarnings in Iowa, October 2004

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 2026-09-30. Each event’s entry at NCEI: 5424943.