Colorado, 1998

Flash Flooding in Colorado, August 25, 1998

August 25, 1998 · NWS PUB · 2 events in 2 counties and zones

Numerous strong thunderstorms produced heavy rainfall over northeastern Custer and western Pueblo counties in the evening. Four to 5 inches of rain fell and 1/2 inch hail piled up 5 inches deep in some areas.

Where it happened

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

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
2

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 PUB wrote it up.

Numerous strong thunderstorms produced heavy rainfall over northeastern Custer and western Pueblo counties in the evening. Four to 5 inches of rain fell and 1/2 inch hail piled up 5 inches deep in some areas. Hardscrabble Creek in Custer county flooded over its banks. In Pueblo county Red Creek flowed out of its banks across Highway 96, and, for a time, parts of Highway 96 were under 3 feet of water.

The radar

The Pueblo radar (KPUX), 111 km away, was scanning. The volume nearest the first event began at 23:47 UTC.

Open the radar archive at this moment

Event by event

2 flash flood. Local standard time, as filed.

Flash Flood, Custer

When
August 25, 4:45 PM MST to 7:30 PM MST
Where
Custer County, Wetmore
Reported by
TRAINED SPOTTER
Coordinates
38.109, -105.367 (the zone’s center; the record gives no point)

Flash Flood, Pueblo

When
August 25, 4:45 PM MST to 7:30 PM MST
Where
Pueblo County, 20 mi W of Pueblo
Reported by
TRAINED SPOTTER
Coordinates
38.173, -104.513 (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 1998Every state in 1998This day in weather historyWarnings in Colorado, August 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: 5661321, 5661322.