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 8, 2:55 PM MST, 3 hours 15 minutes earlier.
UTAH AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SALT LAKE CITY UT 1020 AM MDT WED AUG 8 2001 SYNOPSIS...A MOIST AIRMASS WILL REMAIN OVER THE STATE...ESPECIALLY THE SOUTH AND EAST. SOME DRYING TO OCCUR FRIDAY FROM THE WEST. DISCUSSION...ONCE AGAIN...TODAY IS ALMOST A MIRROR COPY TO YESTERDAY. CONVECTION DEVELOPING OVER THE TERRAIN AND MOVING SLOWLY OFF THE TERRAIN. THE HIGH PRESSURE CENTER IS NEAR THE NEVADA/UTAH BORDER WITH NORTHERLY FLOW OVER THE STATE. SCATTERED CONVECTION TO DECREASE AFTER SUNSET...BUT SOME SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH THE NIGHT ESPECIALLY ACROSS THE SOUTH. MODELS DECREASE MOISTURE SOMEWHAT OVER THE STATE TONIGHT IN THE NORTHERLY FLOW. SHORT WAVE OVER NEVADA TO TRACK ACROSS NORTHERN UTAH/SOUTHERN IDAHO TOMORROW TO INCREASE MOISTURE OVER THE STATE. THIS WAVE CONTINUES TO TRACK TO THE EAST OVERNIGHT THURSDAY WITH SOME DRYING TO OCCUR DURING THE DAY FRIDAY FROM THE WEST. SHOWERS AND THUNDERSTORMS COULD GO ALL NIGHT THURSDAY OVER THE MOUNTAINS AND EASTERN VALLEYS. BY FRIDAY...SHOWER AND THUNDERSTORM ACTIVITY WILL BE CONFINED TO THE EASTERN VALLEYS AND MOUNTAINS AS THE SHORT WAVE MOVES THROUGH THE EASTERN HALF OF THE STATE. TEMPERATURES TO REMAIN RATHER SIMILAR THROUGH THIS PATTERN AS THERMAL RIDGE OVER EASTERN NEVADA. SURFACE PATTERN TONIGHT SETS UP A GOOD EAST-WEST GRADIENT FOR POSSIBLY ENHANCED DRAINAGE ALONG THE NORTHERN VALLEYS. IN THE EXTENDED...HIGH PRESSURE CENTER GRADUALLY MOVES EAST THROUGH MONDAY TO THE FOUR CORNERS. MOISTURE ONCE AGAIN MAKES IT AROUND THE HIGH PRESSURE NOW CENTERED OVER SOUTHERN UTAH SATURDAY. SUNDAY AND MONDAY LOOKS AS THROUGH SOME DRYING TO OCCUR AFTER THIS WAVE SATURDAY. HOWEVER...ENOUGH MOISTURE SHOULD REMAIN FOR CONVECTION OVER THE MOUNTAINS AND POSSIBLY DRIFT IN FROM NEVADA OVER THE WEST DESERTS IN THE EVENING. WITH THE HIGH CENTER MOVING OVER THE FOUR CORNERS COMBINED WITH A LOW MOVING INTO THE PACIFIC NORTHWEST AREA...MONSOONAL MOISTURE TAP MAY RETURN. THE PLACEMENT OF THIS LOW WILL DETERMINE EVERYTHING EARLY NEXT WEEK. IF IT DIGS INLAND FARTHER...STRONG DRY SOUTHWEST FLOW FOR UTAH. IF IT DIGS FARTHER OFF THE COAST...SOUTHERLY FLOW AND MOISTURE RETURN. RIGHT NOW...LEANING TOWARDS AVN SOLUTION WITH LOW STAYING JUST OFF THE COAST MONDAY. THIS WILL MEAN AN INCREASE IN CHANCES TUESDAY AND WEDNESDAY. SLC 2331 CDC 3341 NELSON .SLC...NONE
The Cedar City radar (KICX), 66 km away, was scanning. The volume nearest the first event began at 01:09 UTC.
1 flash flood. Local standard time, as filed.
Washington County Sheriff reported at least a foot of water flowing across Highway 59 east of Hurricane as heavy rain pounded the area.
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: 5275340.