Thunderstorm Wind, Delta
- When
- May 24, 1:45 PM MST to 1:48 PM MST
- Where
- Delta County, Delta
- Property damage
- $20,000
- Reported by
- EMERGENCY MANAGER
- Coordinates
- 38.861, -107.863 (the zone’s center; the record gives no point)
A microburst struck the Delta City power plant and lifted roof panels off the cooling tower building. The roof panels were carried about 300 yards to the south where they fell on numerous vehicles resulting in damage.
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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 episode as NWS GJT wrote it up.
A microburst struck the Delta City power plant and lifted roof panels off the cooling tower building. The roof panels were carried about 300 yards to the south where they fell on numerous vehicles resulting in damage.
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 May 24, 12:54 PM MST, 51 minutes earlier.
WESTERN COLORADO & EASTERN UTAH AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAND JUNCTION CO 154 PM MDT THU MAY 24 2001 SYNOPSIS...AFTERNOON HEATING PRODUCING SCATTERD CUMULUS ACROSS CWFA THIS AFTN. HOWEVER...WEAK UPWARD FORCING AND MID LEVEL WARMING WILL INHIBIT CONVECTIVE DEVELOPMENT THROUGH THIS EVENING. EXPECT CU FIELD TO ONCE AGAIN DECREASE AFTER SUNSET...LEAVING FOR TRANQUIL OVERNIGHT PERIOD. LOCALLY BREEZY NW SFC WIND WILL ALSO DIMINISH AROUND SUNSET. FORECAST...PACIFIC MOISTURE PROGRESSING OVERTOP OF UPPER LEVEL RIDGE WILL BEGIN TO AFFECT THE CWFA BEGINNING FRIDAY. RIDGE AXIS WILL REMAIN TO WEST THROUGH SATURDAY...THUS NORTHWEST FLOW WILL ALLOW WEAK DISTURBANCES TO INTERACT WITH THE MOISTURE INCREASE...CREATING THE THREAT OF LATE AFTN ISOLD MTN CONVECTION...WITH P/C CONDITIONS OVER THE VALLEYS. RELATIVELY DRY LOW LEVELS WILL RESULT IN PRIMARILY WIND POTENTIAL WITH ANY AFTERNOON THUNDERSTORM DEVELOPMENT. TEMPERATURES WILL CONTINUE TO RUN 5-10F DEG ABOVE NORMAL THROUGH SATURDAY. EXTENDED...RIDGE AXIS FINALLY BEGINS TO BREAK-DOWN AND TRANSITION EAST ON SUNDAY. SOUTHWEST FLOW WILL DEVELOP AND DRY THE MID LEVELS OUT FOR A BRIEF PERIOD. AVN/MRF INDICATES S/W APPROACHING DESERT SW. AS A RESULT...THE POTENTIAL FOR WINDY CONDITIONS WILL EXIST FOR THE CWFA SUNDAY AFTERNOON. GRADUAL COOLING TREND EXPECTED THROUGH THE MIDDLE OF NEXT WEEK AS PACIFIC TROUGH SWINGS THROUGH. MRF STILL TRYING TO PHASE NORTHERN AND SOUTHERN ENERGY TO CREATE SLOW MOVING SYSTEM ACROSS THE CWFA BY MIDWEEK. GENERAL TREND OF OTHER MODELS IS TO WEAKEN SOUTHERN ENERGY AND PHASE WITH NORTHERN BRANCH LEADING TO UNSETTLED WEATHER...BUT NOTHING OVERLY SIGNIFICANT. AM STILL INCLINED TO LEAN TOWARD THE LATTER SOLUTION AND ISSUE BROAD POPS FOR MONDAY THROUGH WEDNESDAY. DRIER WEATHER IN NORTHWEST FLOW ANTICIPATED FOR THURSDAY. NADLER.83/JONES.24 .GJT...NONE.
The national radar mosaic for the moment the first event began.
1 thunderstorm wind. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2001Every state in 2001This day in weather historyWarnings in Colorado, May 2001
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: 5245021.