High wind developed briefly in Boulder County. A peak wind gust to 76 mph (66 kts) was recorded at the National Center of Atmospheric Research (NCAR), with a gust to 72 mph (63 kts) registered the Southern Hills Middle School in Boulder.
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.
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 BOU wrote it up.
High wind developed briefly in Boulder County. A peak wind gust to 76 mph (66 kts) was recorded at the National Center of Atmospheric Research (NCAR), with a gust to 72 mph (63 kts) registered the Southern Hills Middle School in Boulder.
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 Denver/Boulder, CO wrote its last area forecast discussion before the first event at Jun 12, 1:45 PM MST, 11 hours 15 minutes earlier.
NORTHEAST AND NORTH CENTRAL COLORADO AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DENVER COLORADO 245 PM MDT TUE JUN 12 2001 CURRENT PATTERN AND APPROACHING STORM SYSTEM VERY SIMILAR TO WHAT OCCURRED ON JULY 3-4 1993 AND JULY 3-4 1995...EXCEPT TEMPERATURE CHANGE WITH THIS ONE MAY BE A LITTLE MORE PRONOUNCED SINCE ITS JUNE. AN UNSEASONABLY VIGOROUS SOUTHEAST MOVING UPPER LOW OVER THE PAC NORTHWEST AND A SFC LOW PROGGED TO DEVELOP OVER ERN WYO AND NE COLO. IT SHD HAVE GOOD LIFT AHEAD OF THE UPPER LOW BUT WINDY AND BORA-LIKE FOR NORTHEAST COLO NEXT FEW DAYS. HIGHER SPEC HUMIDITIES ARE IN PLACE ON THE PLAINS ATTM FROM LAST NIGHTS SURGE BUT ARE EXPECTED TO GET WHISKED AWAY SOMEWHAT WITH THE SOUTHWESTERLIES AHEAD OF SFC COLD FRONT WHICH THE MESO-ETA AND MM5 BRING IN ROUGHLY AT 05Z-08Z WED. UPPER LOW IS A INDEED A COMPLEX ONE AS THEY ALWAYS ARE WITH RESPECT TO STRENGTH AND TIMING. MODELS SHOW BEST LIFT OVERNIGHT TONIGHT IN SYNC WITH THE FIRST SFC FRONTAL BOUNDARY. ANOTHER AREA OF GOOD LIFT...SLIGHTLY AHEAD OF 500MB TROUGH AXIS... ARRIVES IN CONCERT WITH SECOND SFC FRONT AROUND 00Z THU. WITH BIG LOW IN VICINITY WILL NOT TRIM POPS TOO MUCH FOR WED DESPITE A PERIOD OF SUBSIDENCE IN THE DIV-Q FIELDS. MESO-ETA NOT REALLY INDICATING STRONG BORA WINDS EAST OF THE DIVIDE UNTIL AFTER THE SECOND WAVE PASSES ON THURSDAY MORNING. WILL NOT TRIM POPS TOO LOW FOR THIS PERIOD EITHER ESPECIALLY IN THE MOUNTAINS DUE TO OROGRAPHICS AND RIPPLES IN THE NORTHWESTERLY UPPER FLOW. THURSDAY LIKELY TO BE THE BLUSTERY DAY HOWEVER AHEAD OF CALMING WEATHER AND ZONAL FLOW EXPECTED INTO THE EXTENDED PD FRI. STRONG TEMPERATURE CHANGE IS EXPECTED FOR THE CWA WITH THE FIRST SFC FRONT WED AND THEN CAA ALOFT BY THU. PLAINS EXPECTED TO BE 15 TO 25 DEG COOLER THAN SEASONAL NORMALS. AVN SHOWS 700MB TEMPS IN THE -4 TO 0 DEGC RANGE BY THURSDAY MORNING AND WILL CONTINUE THE CHANCE FOR SNOW ABOVE 10000 FEET. IN XTNDD PD...APPEARS MOSTLY NON-EVENTFUL SYNOPTICALLY. ATMS TO WARM BACK UP CLOSER TO NORMAL BY SAT WITH SOME SLIGHT RIDGING TAKING PLACE. WEAK WAVE RIDES OVER WEST SIDE OF HUGE RIDGE CENTERED HOVER TEXAS SUNDAY INTO MONDAY. DRYING AND MORE RIDGING FOR TUESDAY. TEMPS ARE EXPECTED TO BE NEAR SEASONAL NORMALS BY SUNDAY THEN WARMER THAN AVERAGE AGAIN BY TUESDAY. FREDIN .DEN...NONE.
The national radar mosaic for the moment the first event began.
2 high 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, June 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: 5252483, 5252484.