1 tornado, 1 hail, as filed by the National Weather Service.
Every event with a place to put it. 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 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 25, 2:15 PM MST, 4 hours 25 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DENVER CO 315 PM MDT FRI JUN 25 2004 .SHORT TERM...CONVECTION FIRING NICELY ACROSS MOUNTAINS AND FOOTHILLS...BUT HAVING DIFFICULTY HOLDING TOGETHER ONCE THEY PUSH INTO STABLE AIR ACROSS PLAINS. LATEST MODELS SHOW THAT CAP ACROSS PLAINS SHOULD ALREADY BE GONE...THOUGH ACARS DATA STILL INDICATING A BIT OF ONE AROUND 700 MB. OVERALL TREND POINTING TOWARD CAP BEING ERODED BY 00Z...WHICH SHOULD ALLOW FOR CONVECTION FROM FOOTHILLS TO PUSH ACROSS PLAINS. THUS WILL HOLD ONTO THE 40 POPS THIS EVENING. LAPS ANALYSIS SHOWING CAPE VALUES REACHING 1500 J/KG ALONG FRONT RANGE AND ADJACENT PLAINS...SO CANNOT RULE OUT A SEVERE STORM JUST YET WITH HAIL THE BIGGEST THREAT. FOR TONIGHT...WILL KEEP SOME SHOWERS GOING AS CWA WILL BE UNDER FAVORED AREA OF JET. ALSO... DIV-Q FIELDS SHOW SOME WEAK LIFT OVERNIGHT. ON SATURDAY...QUESTION IS WHETHER STORMS ACROSS PLAINS DURING THE AFTERNOON HOURS WILL BE SEVERE. MODELS SUPPORT SEVERE POTENTIAL DESPITE 18Z ARRIVAL OF WEAK SURGE WHICH COULD KEEP ATMOSPHERE CAPPED. EXPECT CONVECTION TO FIRST FIRE ACROSS HIGH COUNTRY...THEN MAKE THE ATTEMPT TO MOVE ONTO PLAINS. MODELS HINT AT WEAK SHORTWAVE MOVING ACROSS AREA DURING AFTERNOON WHICH MAY AID IN BREAKING ANY CAP. SO WITH UNCERTAINTIES ABOUND...WILL NOT MAKE TOO MAY CHANGES TO CURRENT GRIDS. .LONG TERM DISCUSSION...ONLY GRADUAL CHANGES APPARENT FROM DAY TO DAY. ONE SHORTWAVE WILL MOVE ACROSS THE NORTHERN PLAINS LATE SUN AND COULD ENHANCE CONVECTION THEN. RELATIVELY RICH MOISTURE WILL REMAIN ON THE PLAINS. DAYTIME TEMPERATURES SHOULD CONTINUE TO BE A LIMITING FACTOR ON STRENGTH OF CONVECTION...AND WINDS ALOFT WILL NOT BE THAT STRONG EITHER. STILL SOME STRONG PULSES COULD PRODUCE HAIL...AND HEAVY RAIN WILL BE MORE OF A THREAT BY SUNDAY NIGHT WITH PRECIPITABLE WATER AROUND AN INCH AND STORM MOTIONS OF 5-10 KT. DURING THE WEEK THERE WILL BE SOME RIDGING AND WARMING ALOFT...BUT ANY DRYING WILL LIKELY BE LIMITED TO ALOFT AND OVER THE MOUNTAINS. IT IS NOT LOOKING LIKE THERE IS ANY BIG MOISTURE SOURCE TO THE SOUTH TOWARD THE END OF THE WEEK...SO I INCREASED POPS A BIT THIS WEEKEND AND DELAYED THE DRYING TREND ON THE PLAINS. LITTLE CHANGE TO PREVIOUS TEMPERATURES...UPWARD JUMP TUE DEPENDS ON DRYING ALOFT WHICH IS NOT CERTAIN. && .BOU WATCHES/WARNINGS/ADVISORIES...NONE. && LESZCYNSKI/GIMMESTAD
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DENVER CO 1134 AM MDT FRI JUN 25 2004 COZ030>051-261200- JACKSON COUNTY BELOW 9000 FEET-WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-GRAND AND SUMMIT COUNTIES BELOW 9000 FEET-SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET-SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/GILPIN/CLEAR CREEK/ SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET-JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET-CENTRAL AND SOUTHEAST PARK COUNTY-LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY-NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/ EAST BROOMFIELD COUNTY-ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY-SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY-LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- 1134 AM MDT FRI JUN 25 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS THE MOUNTAINS AND FOOTHILLS...AND WILL SPREAD EASTWARD ACROSS THE PLAINS THIS AFTERNOON AND EVENING. A FEW STORMS COULD BECOME SEVERE... MAINLY ACROSS DOUGLAS AND ELBERT COUNTIES EXTENDING INTO EASTERN ARAPAHOE AND EASTERN ADAMS COUNTIES. THE MAIN THREAT FROM SEVERE STORMS TODAY WOULD BE HAIL UP TO 1.5 INCHES IN DIAMETER. HOWEVER...A SHORT LIVED TORNADO CANNOT BE RULED OUT ALONG A CONVERGENCE ZONE FROM DOUGLAS COUNTY THROUGH CENTRAL ADAMS COUNTY. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY SCATTERED THUNDERSTORMS ARE EXPECTED AGAIN ON SATURDAY AFTERNOON AND EVENING. MOISTURE WILL REMAIN IN PLACE...BUT SHEAR WILL BE WEAK. SEVERE THUNDERSTORMS WILL BE POSSIBLE AGAIN ON THE PLAINS WITH THE MAIN THREAT BEING LARGE HAIL. SCATTERED AFTERNOON AND EVENING THUNDERSTORMS ARE EXPECTED TO CONTINUE INTO NEXT WEEK WITH A BIT OF A DRYING AND WARMING TREND. THERE WILL STILL BE A THREAT OF SEVERE THUNDERSTORMS EACH DAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED AFTER 2 PM. D-L/CMG
The Denver radar (KFTG), 56 km away, was scanning. The volume nearest the first event began at 01:40 UTC.
1 tornado, 1 hail. Local standard time, as filed.
A small tornado touched down in open country but did no damage.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2004Every state in 2004This day in weather historyThe tornado archive for Colorado, 2004Warnings in Colorado, June 2004
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: 5402376, 5402375.