Iowa, 1999Flooding and Hail in Iowa, July 2 to 3, 1999
July 2 to 3, 1999 · NWS DVN · 7 events in 5 counties and zones
3 thunderstorm wind, 2 flood, 2 hail, as filed by the National Weather Service.
Every event with a place to put it; 2 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
Open the live radar over this ground
- Deaths
- 0
- Injuries
- 0
- Property damage
- $15,000
- Crop damage
- None recorded
- Events
- 7
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.
Event by event
3 thunderstorm wind, 2 flood, 2 hail. Local standard time, as filed.
Flood, Jones
- When
- July 2, 7:00 PM CST to July 3, 12:00 AM CST
- Where
- Jones County, Anamosa
- Reported by
- NEWSPAPER
- Coordinates
- 42.121, -91.131 (the zone’s center; the record gives no point)
Thunderstorms dumped 3 to 4 inches of rain on the city of Anamosa, which caused flooding on Therese Avenue. Residences had water and sewage coming through basements, toilets and showers.
Flood, Buchanan
- When
- July 2, 7:00 PM CST to July 3, 12:00 AM CST
- Where
- Buchanan County, Countywide
- Reported by
- LAW ENFORCEMENT
- Coordinates
- 42.471, -91.838 (the zone’s center; the record gives no point)
Heavy rain caused urban and small stream flooding across the county.
Hail, Jones
- When
- July 2, 10:00 PM CST to 11:00 PM CST
- Where
- Jones County, Anamosa to Amber
- Measured
- 0.88 in hail
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 42.120, -91.280
Nickel-sized hail produced a mile-wide swath of crop damage from Anamosa to Amber. Corn was stripped and knocked down.
Thunderstorm Wind, Benton
- When
- July 2, 10:30 PM CST
- Where
- Benton County, Garrison
- Property damage
- $7,000
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 42.150, -92.150
Thunderstorm winds blew a roof off a garage, destroyed two small sheds, and downed many trees and power lines.
Hail, Cedar
- When
- July 2, 10:45 PM CST
- Where
- Cedar County, Mechanicsville
- Measured
- 0.75 in hail
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 41.900, -91.270
Emergency management reported 3/4 inch hail in Mechanicsville.
Thunderstorm Wind, Linn
- When
- July 2, 11:00 PM CST to July 3, 12:00 AM CST
- Where
- Linn County, Mt Vernon
- Property damage
- $8,000
- Reported by
- NEWSPAPER
- Coordinates
- 41.920, -91.420
Thunderstorm winds destroyed many large trees and damaged two cars at residences in Mt. Vernon.
Thunderstorm Wind, Linn
- When
- July 2, 11:30 PM CST
- Where
- Linn County, Palo
- Measured
- 51 kt (59 mph)
- Reported by
- BROADCAST MEDIA
- Coordinates
- 42.070, -91.780
A Cedar Rapids television station reported a 60 mph thunderstorm gust at a residence near Palo.
- Flood
- Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
- 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.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Tornadoes and Flash Flooding in Iowa, July 2 to 3, 1999$3.8 million · F2 · 82 events
- Flash Flood in Iowa, July 2, 19992 injured · $8.0 million · 1 event
- Tornado in Nebraska, July 2, 19991 injured · $2.2 million · F1 · 1 event
- Flooding in Iowa, July 2 to 7, 1999$2.6 million · 9 events
- Hail in Nebraska, July 2, 1999$1.8 million · 1 in hail · 1 event
- Hail in South Dakota, July 2, 1999$1.5 million · 1.5 in hail · 1 event
- Flash Flood in Nebraska, July 2, 1999$1.0 million · 1 event
- Hail in Iowa, July 2, 1999$500,000 · 2.75 in hail · 1 event
- Hail and Damaging Winds in Nebraska, July 2, 1999$317,000 · 4.5 in hail · 7 events
- Hail and Damaging Winds in Nebraska, July 2, 1999$214,000 · 90 kt wind · 7 events
- Damaging Wind in Iowa, July 2, 1999$200,000 · 61 kt wind · 1 event
- Hail in Nebraska, July 2, 1999$200,000 · 0.75 in hail · 1 event
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: 5719647, 5719650, 5719648, 5719651, 5719649, 5719645, 5719646.