Iowa, 1997

Hail in Iowa, July 13, 1997

July 13, 1997 · NWS DMX · 1 event in 1 county or zone

Thunderstorms erupted over central Iowa along an old outflow boundary left from the previous nights convection. The air mass was very unstable with surface dew point temperatures at sunrise in the mid to upper 70s.

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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$1,000
Crop damage
$2,000
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 erupted over central Iowa along an old outflow boundary left from the previous nights convection. The air mass was very unstable with surface dew point temperatures at sunrise in the mid to upper 70s. Most of the storms only produced heavy rainfall, however one storm dropped one inch diameter hail on Indianola.

The radar

The Des Moines radar (KDMX), 42 km away, was scanning. The volume nearest the first event began at 13:23 UTC.

Open the radar archive at this moment

Event by event

1 hail. Local standard time, as filed.

Hail, Warren

When
July 13, 7:19 AM CST
Where
Warren County, Indianola
Measured
1 in hail
Property damage
$1,000
Crop damage
$2,000
Coordinates
41.370, -93.570

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 1997Every state in 1997This day in weather historyWarnings in Iowa, July 1997

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 2026-09-24. Each event’s entry at NCEI: 5603023.