Iowa, 1998

Hail in Iowa, September 26, 1998

September 26, 1998 · NWS DMX · 1 event in 1 county or zone

A very strong low level jet formed over the Central Plains during the early morning hours of the 26th with wind speeds in excess of 70 knots at times. Surface dew point temperatures were in the low 70s ahead of an approaching area of low pressure.

Where it happened

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
$1,000
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.

A very strong low level jet formed over the Central Plains during the early morning hours of the 26th with wind speeds in excess of 70 knots at times. Surface dew point temperatures were in the low 70s ahead of an approaching area of low pressure. Thunderstorms erupted along the northwest edge of the mid level cap before midnight with a line of thunderstorms progressing southeast across the northwest half of the state. Over northwest Iowa, a heat burst took place along the southeast edge of the of the line shortly before midnight. Temperatures rose into the upper 80s to low 90s from Sioux City to Estherville. Other than that, most of the storms produced only gusty winds and small hail. One storm dropped dime size hail briefly on the town of Clarion in Wright County. There was no other reports of severe weather however.

The radar

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

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Event by event

1 hail. Local standard time, as filed.

Hail, Wright

When
September 26, 6:03 AM CST
Where
Wright County, Clarion
Measured
0.75 in hail
Crop damage
$1,000
Reported by
LAW ENFORCEMENT
Coordinates
42.730, -93.730

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 1998Every state in 1998This day in weather historyWarnings in Iowa, September 1998

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: 5660505.