Colorado, 2000

Flood and Damaging Winds in Colorado, August 4, 2000

August 4, 2000 · NWS BOU · 5 events in 2 counties and zones

3 thunderstorm wind, 1 flood, 1 lightning, as filed by the National Weather Service.

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

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$25,000
Crop damage
None recorded
Events
5

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 national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

3 thunderstorm wind, 1 flood, 1 lightning. Local standard time, as filed.

Flood, Weld

When
August 4, 3:00 PM MST to 4:00 PM MST
Where
Weld County, Greeley
Reported by
NEWSPAPER
Coordinates
40.555, -104.392 (the zone’s center; the record gives no point)

Lightning, Weld

When
August 4, 3:30 PM MST
Where
Weld County, Greeley
Property damage
$25,000
Reported by
NEWSPAPER
Coordinates
40.555, -104.392 (the zone’s center; the record gives no point)

Lightning struck a home, damaging the attic. Scattered power outages were also reported throughout Greeley. In addition, heavy rain that accompanied the thunderstorms caused minor street flooding in and around the city.

Thunderstorm Wind, Washington

When
August 4, 6:10 PM MST
Where
Washington County, Akron
Measured
60 kt (69 mph)
Reported by
NEWSPAPER
Coordinates
40.167, -103.200

Thunderstorm Wind, Washington

When
August 4, 6:13 PM MST
Where
Washington County, 14 mi NNW of Otis
Measured
67 kt (77 mph)
Reported by
TRAINED SPOTTER
Coordinates
40.333, -103.050

Thunderstorm Wind, Washington

When
August 4, 6:34 PM MST
Where
Washington County, 6 mi SW of Otis
Measured
52 kt (60 mph)
Reported by
TRAINED SPOTTER
Coordinates
40.083, -103.033

Damaging thunderstorm winds gusting to 77 mph (67 kts) blasted across northern Washington County. In Akron, the wind levelled a building under construction.

What these are

Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
Lightning
A lightning strike that killed, injured or caused damage.
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.

The same day elsewhere

More

Every storm in Colorado in 2000Every state in 2000This day in weather historyWarnings in Colorado, August 2000

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: 5170219, 5170220, 5170221, 5170222, 5170223.