Iowa, 1999

Flood and Hail in Iowa, June 4, 1999

June 4, 1999 · NWS DVN · 12 events in 6 counties and zones

5 hail, 4 thunderstorm wind, 1 funnel cloud, 1 lightning, 1 flood, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 3 filed by county or forecast zone are drawn at its center, in a lighter ring. 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
$1,000
Crop damage
None recorded
Events
12

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.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

5 hail, 4 thunderstorm wind, 1 funnel cloud, 1 lightning, 1 flood. Local standard time, as filed.

Hail, Buchanan

When
June 4, 7:30 AM CST
Where
Buchanan County, Brandon
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
42.320, -92.000

Thunderstorm Wind, Muscatine

When
June 4, 1:19 PM CST
Where
Muscatine County, 4 mi E of Muscatine
Measured
58 kt (67 mph)
Reported by
LAW ENFORCEMENT
Coordinates
41.420, -90.970

Thunderstorm Wind, Scott

When
June 4, 1:36 PM CST
Where
Scott County, 2 mi S of Eldridge
Measured
58 kt (67 mph)
Reported by
NWS EMPLOYEE(OFF DUTY)
Coordinates
41.630, -90.600

Hail, Muscatine

When
June 4, 1:42 PM CST
Where
Muscatine County, Fruitland
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
41.350, -91.130

Thunderstorm Wind, Muscatine

When
June 4, 1:42 PM CST
Where
Muscatine County, Muscatine
Measured
53 kt (61 mph)
Reported by
TRAINED SPOTTER
Coordinates
41.420, -91.050

Funnel Cloud, Louisa

When
June 4, 1:44 PM CST
Where
Louisa County, 1 mi SE of Wapello
Reported by
LAW ENFORCEMENT
Coordinates
41.219, -91.260 (the zone’s center; the record gives no point)

Hail, Des Moines

When
June 4, 2:10 PM CST to 2:30 PM CST
Where
Des Moines County, Burlington
Measured
0.75 in hail
Reported by
LAW ENFORCEMENT
Coordinates
40.820, -91.080

Hail, Des Moines

When
June 4, 2:15 PM CST
Where
Des Moines County, Burlington
Measured
0.88 in hail
Reported by
TRAINED SPOTTER
Coordinates
40.820, -91.080

Hail, Lee

When
June 4, 2:28 PM CST
Where
Lee County, Ft Madison
Measured
0.75 in hail
Reported by
TRAINED SPOTTER
Coordinates
40.630, -91.320

Thunderstorm Wind, Lee

When
June 4, 2:30 PM CST
Where
Lee County, Keokuk
Measured
58 kt (67 mph)
Reported by
NEWSPAPER
Coordinates
40.400, -91.380

High winds slowed the painting project on the Keokuk water tower. Scaffolding along the tower was bent.

Lightning, Scott

When
June 4, 2:30 PM CST
Where
Scott County, Davenport
Property damage
$1,000
Reported by
NEWSPAPER
Coordinates
41.637, -90.623 (the zone’s center; the record gives no point)

Lightning caused a fire when it struck a house. The house sustained smoke damage. There were no reports of injuries.

Flood, Scott

When
June 4, 2:37 PM CST
Where
Scott County, Davenport
Reported by
NEWSPAPER
Coordinates
41.637, -90.623 (the zone’s center; the record gives no point)

Heavy rain of 1 to 2 inches in an hour caused street flooding at the intersection of Division and Dover.High water also resulted in the closing of River Drive for a short time between East 3rd and 4th Street.Conditions improved shortly after the rains ceased.

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
Funnel Cloud
A rotating column of cloud extending from a thunderstorm that did not reach the ground.
Lightning
A lightning strike that killed, injured or caused damage.
Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.

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

The same day elsewhere

More

Every storm in Iowa in 1999Every state in 1999This day in weather historyWarnings in Iowa, June 1999

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: 5716053, 5716054, 5716055, 5716056, 5716057, 5716059, 5716058, 5716060, 5716061, 5716062, 5716064, 5716063.