Colorado, 1996

Flash Flood in Colorado, August 29, 1996

August 29, 1996 · NWS BOU · 1 event in 1 county or zone

Heavy rain and small hail caused Geary Creek to overflow its banks as nearly 2 inches of rain fell in Northern Weld County. Water covered the roadways in many places and several fences were washed away.

Where it happened

Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
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 BOU wrote it up.

Heavy rain and small hail caused Geary Creek to overflow its banks as nearly 2 inches of rain fell in Northern Weld County. Water covered the roadways in many places and several fences were washed away.

The radar

The Cheyenne radar (KCYS), 75 km away, was scanning. The volume nearest the first event began at 23:29 UTC.

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Event by event

1 flash flood. Local standard time, as filed.

Flash Flood, Weld

When
August 29, 4:30 PM MST to 6:00 PM MST
Where
Weld County, 3 mi E of Rockport
Coordinates
40.555, -104.392 (the zone’s center; the record gives no point)

What these are

Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

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

The same day elsewhere

More

Every storm in Colorado in 1996Every state in 1996This day in weather historyWarnings in Colorado, August 1996

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: 5567793.