Colorado, 1997

Flash Flood and Hail in Colorado, July 27, 1997

July 27, 1997 · NWS BOU · 2 events in 2 counties and zones

1 flash flood, 1 hail, as filed by the National Weather Service.

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.

  • 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.

The radar

The Denver radar (KFTG), 64 km away, was scanning. The volume nearest the first event began at 00:27 UTC.

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Event by event

1 flash flood, 1 hail. Local standard time, as filed.

Flash Flood, Jefferson

When
July 27, 3:33 PM MST to 4:30 PM MST
Where
Jefferson County, Golden
Coordinates
39.586, -105.250 (the zone’s center; the record gives no point)

Heavy rain caused Lena Gulch to surge 2 feet over its banks. The fire department had to rescue a man when his van stalled in the highwaters.

Hail, Lincoln

When
July 27, 5:30 PM MST
Where
Lincoln County, 7 mi NE of Limon
Measured
1.75 in hail
Coordinates
39.330, -103.600

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.
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 Colorado in 1997Every state in 1997This day in weather historyWarnings in Colorado, July 1997

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: 5607275, 5607276.