Colorado, 2001

Flood in Colorado, March 12 to 13, 2001

March 12 to 13, 2001 · NWS GJT · 1 event in 1 county or zone

A hydraulic valve broke on a headgate in the dam at Sweitzer Lake State Park, causing minor flooding at a residence and some erosion along a railroad track.

Where it happened

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The toll

Deaths
0
Injuries
0
Property damage
$2,000
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 GJT wrote it up.

A hydraulic valve broke on a headgate in the dam at Sweitzer Lake State Park, causing minor flooding at a residence and some erosion along a railroad track.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Grand Junction, CO wrote its last area forecast discussion before the first event at Mar 12, 8:32 AM MST, 2 hours 28 minutes earlier.

Area forecast discussion, Mar 12, 8:32 AM MST, 2 hours 28 minutes before
WESTERN COLORADO & EASTERN UTAH AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
832 AM MST MON MAR 12 2001

SHORTWAVE IN NORTHWEST FLOW COMBINED WITH RESIDUAL MOISTURE...STEEP
7-5H LAPSE RATES AND VIGOROUS 7H FLOW RESULTING IN HEAVY SNOW AND
WINDS IN THE PASSES OF NORTHERN AND CENTRAL CO. CONDITIONS LIKELY TO
PERSIST THROUGH THE MORNING WITH SUBSIDENCE WORKING IN BY MIDDAY
RESULTING IN A DECREASE IN SNOW. TO ADDRESS POOR CONDITIONS THIS
MORNING...DETERMINED TO ISSUE SNOW AND BLOWING SNOW ADVISORY FOR
PORTIONS OF THE NORTHERN AND CENTRAL MOUNTAINS FOR THE MORNING
PERIOD WITH IMPROVING CONDITIONS IN THE AFTERNOON.

COORDINATION WITH BOU.

NL

.GJT...SNOW AND BLOWING SNOW ADVISORY THIS MORNING...CO ZONES
       4 AND 10.

The radar

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

Open the radar archive at this moment

Event by event

1 flood. Local standard time, as filed.

Flood, Delta

When
March 12, 11:00 AM MST to March 13, 5:00 PM MST
Where
Delta County, 2 mi SE of Delta
Property damage
$2,000
Reported by
EMERGENCY MANAGER
Coordinates
38.861, -107.863 (the zone’s center; the record gives no point)

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.

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

The same day elsewhere

More

Every storm in Colorado in 2001Every state in 2001This day in weather historyWarnings in Colorado, March 2001

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: 5237386.