4 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 Jul 7, 2:30 PM MST, 3 hours earlier.
NORTHEAST AND NORTH CENTRAL COLORADO AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DENVER COLORADO 330 PM MDT SAT JUL 7 2001 NEXT COUPLE OF DAYS LOOK INCREASINGLY WET FOR NERN CO AS STUBBORN UPR LVL HIGH SPINNING OVR OKLAHOMA WOBBLES A BIT EASTWARD...OPENING THE DOOR TO MONSOON FLOW. H20 VAPOR IMAGERY SHOWS AMPLE MID/UPR LVL MOISTURE STREAMING NWRD UP INTO UT AND WRN CO ATTM. EMBEDDED WITHIN THIS FLOW IS A FAIRLY STG MID-LVL VORT MAX NOW OVR NWRN CORNER OF STATE. A SECOND VORT MAX CAN ALSO BE SEEN CREEPING N/NWWRD OVR THE NRN TX/OK PANHANDLES. IT/S THE NRN DISTURBANCE THAT WILL PROVIDE THE ENERGY FOR EVENING T-STORMS OVR AND ALONG THE FRONT RANGE. IN PAST HR T-STORM PASSING OVR FRASER PRODUCED MARBLE SIZE HAIL. RADAR HAS ALSO INDICATING FAIRY HVY RAINFALL /UP TO 1.5 INCH PER HR/ WITH STORM CROSSING LARIMER CTY. MODEL SOUNDINGS SHOW UPWARDS OF 1.2 INCHES OF PRECIPITABLE WATER THIS EVENING AROUND DEN...BOU...GLY AND FCL...AND SFC DEWPTS IN THE MID 50S TO LOWER 60S. USING LATEST ACRS SOUNDINGS...CAPES PROGD TO BE IN THE 1200 TO 2100 J/KG RNG IN PARTS OF THE URBAN CORRIDOR AND ON THE ADJACENT PLAINS. FURTHERMORE WILL HV TO WATCH FOR CONVECTIVE INITIATION ALONG A SFC BNDRY SITTING NRLY STNRY THE PAST SVRL HRS ROUGHLY FM CHATFIELD RESERVOIR/SW OF DEN/ TO WIGGINS IN WRN MORGAN CTY. COULD SEE A FEW HVY RAINERS CROP UP ALONG THIS BNDRY WITH STORM MOTIONS EXPECTED TO BE QUITE WK. STORMS ROLLING OFF FRONT RANGE THE NRN HALF OF URBAN CORRIDOR AND NRN WELD CTYS COULD PSBLY BECOME SVR WITH LARGE HAIL AND VRY STONG T-STORM WINDS MAIN RISK. WITH VORT MAX/SHRTWV OUT OF THE AREA BY MIDNIGHT...SKIES SHOULD GO CLR/MOSTLY CLR ALL AREAS. ON SUNDAY...CHANCES FOR MEASURABLE RAINFALL INCREASE PARTICULARLY BY LATE INTHE DAY WITH PASSAGE OF YET ANOTHER STG VORT MAX/SHRT WV EMBEDDED WITH A DEEP LAYER OF MONSOON MOISTURE. PRECIPITABLE WATER VALUES RISE AND DEWPTS E OF MTNS ALSO ON THE INCREASE WITH ARRIVAL OF WHAT APRS TO BE A WEAK NLY SURGE DURING THE MRNG HRS. CROSS SECTIONS SHOW E-SELY FLOW DEEPENING DURING THE DAY WITH CAPES APCHG TO 2500-3000 J/KG BY LATE AFTN UP ALONG THE FNT RNG FTHLS. RIGHT NOW CHANCES LOOK PRETTY GOOD FOR AREAS OF HVY RAINFALL IN AND NEAR THE FTHLS BY LATE IN THE DAY. WILL REALLY NEED TO KP AN EYE ON THIS. WITH INCREASE IN MOISTURE AND THE SHFT IN WINDS...TEMPS MAY NOT RISE MUCH ABV 90 ON THE PLAINS. HWVR AVN AND MRF TEMP GUIDANCE LOOK TOO COOL...AS THEY HAVE FOR THE PAST SVRL WEEKS. LOOKING AHEAD MONDAY THROUGH SATURDAY...CHANCES LOOK GOOD WE'LL HV ANOTHER CHANCE FOR HVY LATE DAY RAINFALL MONDAY. ALSO SEE DAYTIME TEMPS ON THE PLAINS NOT GETTING OUT OF THE 80S. THIS WOULD BREAK THE LONG STRETCH OF 90 DEG WX WE/VE BEEN HAVING. LATER IN THE WEEK...MEDIUM RNG MODELS SHOW UPR RIDGE OVR THE LOWER GREAT PLAINS CREEPING WESTWARD...CONSEQUENTLY SHIFTING THE DEEPEST MONSOON FLOW AWAY FROM US. STILL THERE SHOULD BE ENOUGH MOISTURE AROUND TO PRODUCE THE TYPICAL ROUND OF AFTN AND EVE STORMS EACH DAY. ALSO SEE TEMPS RETURNING TO THE 90S ON THE PLAINS AFTER MONDAY/S BRIEF COOL DOWN. BAKER .DfEN...NONE.
The Denver radar (KFTG), 74 km away, was scanning. The volume nearest the first event began at 00:28 UTC.
4 hail. Local standard time, as filed.
Large hail and strong winds destroyed 70 acres of corn and 5 acres of pumpkins near Gill. In addition, fencing, some small sheds and a field sprinkler were either damaged or destroyed.
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, July 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: 5267050, 5267047, 5267048, 5267049.