1 flash flood, as filed by the National Weather Service.
Every event with a place to put it; 1 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 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 Salt Lake City, UT wrote its last area forecast discussion before the first event at Aug 7, 9:00 AM MST, 4 hours 20 minutes earlier.
UTAH AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SALT LAKE CITY UT 1000 AM MDT TUE AUG 7 2001 SYNOPSIS...A MOIST AIR MASS WILL REMAIN OVER UTAH TODAY. IT WILL BEGIN TO DRY SLOWLY STARTING WEDNESDAY AS NORTHERLY FLOW DEVELOPS OVER THE AREA. DISCUSSION...UPDATED ZONES TO FRESHEN-UP WORDING...BUT LITTLE IF ANY CHANGE TO POPS. STRONG HIGH PRESSURE WITH MOIST SW FLOW OVER UTAH. ANTICYCLONE SLIDING WEST ACROSS AZ TODAY WHICH WILL CAUSE FLOW OVER UTAH TO SHIFT NW LATER TODAY. THIS WILL HAVE THE EFFECT OF SLOWLY DRYING THINGS OUT FROM THE WEST WEDNESDAY. PRECIPITABLE WATER VALUES OVER 1 INCH OVER SLC THIS MORN...WITH HIGHER VALUES/DEEPER MOISTURE OVER EASTERNMOST ZONES. PW VALUES HAVE DROPPED SOME OVER SW PARTS OF STATE...BUT WILL STILL SEE A FAIR AMOUNT OF ACTIVITY THIS AFTN DUE TO GOOD LOW LEVEL MOISTURE (DEWPOINTS IN THE 50S)...BUT NOT QUITE AS MUCH ACTIVITY AS YESTERDAY. ADDED MENTION OF LOCAL HEAVIES EASTERNMOST ZONES AND S MTNS TO MESH IN WITH GRAND JUNCTION ZONES WHICH HAVE FLASH FLOOD WATCH. MODELS HINTING AT LOW LEVEL CONVERGENCE OVER EASTERN VALLEYS THIS AFTERNOON...BUT NOT CONVINCED THIS WILL HAPPEN AS THIS WOULD BE FIGHTING TYPICAL DAYTIME DIVERGENCE PATTERNS. SLC 332 CDC 332 HOGAN .SLC...NONE
The Cedar City radar (KICX), 190 km away, was scanning. The volume nearest the first event began at 20:18 UTC.
1 flash flood. Local standard time, as filed.
Heavy rain produced flash flooding in the Bicknell and Torrey areas. Flood waters spilled across Highway 24, and also reached the Capitol Reef National Park area as a six foot wall of water down Hall's Creek.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Utah in 2001Every state in 2001This day in weather historyWarnings in Utah, August 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: 5275274.