1 thunderstorm wind, 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 Jul 25, 9:00 AM MST, 4 hours 55 minutes earlier.
UTAH AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SALT LAKE CITY UT 1000 AM MDT FRI JUL 25 2003 .SYNOPSIS...UTAH WILL BE UNDER A VERY WARM...MOIST AND UNSTABLE SOUTHWEST FLOW THROUGH SATURDAY. THE FLOW WILL BECOME NORTHERLY EARLY NEXT WEEK AND THE NORTH WILL STABILIZE. .DISCUSSION...PLENTY OF MOISTURE WITH A LIGHT SOUTHERLY FLOW OVER THE FORECAST AREA. A COUPLE VORT MAXES TO MOVE UP MAINLY THROUGH NEVADA. ONE CURRENTLY OVER THE LOWER COLORADO RIVER BASIN MAY CLIP WESTERN UTAH LATER TODAY. AIR MASS UNSTABLE ENOUGH TO SUPPORT SCATTERED VALLEY TO NUMEROUS MOUNTAIN SHOWERS AND THUNDERSTORMS. THE BIG QUESTION IS WHETHER WE NEED A FLASH FLOOD WATCH TODAY. IF THE VORT MAX REMAINS WEST OF THE AREA...FLASH FLOOD POTENTIAL WILL REMAIN IN THE MODERATE CATEGORY. IF NOT...THE FLASH FLOOD POTENTIAL WILL RAISE INTO THE VERY HIGH RANGE. WILL KEEP CLOSE WATCH AS TO PATH OF THE VORT MAX OVER SOUTHERN COLORADO RIVER BASIN. SIMILAR PATTERN TOMORROW...BUT WITHOUT VORT MAXES...BEFORE HIGH CENTERS OVER NEVADA SUNDAY. SCATTERED POPS FINE FOR TODAY IF VORT MAX REMAINS WEST OF THE AREA. NO UPDATES PLANNED. SLC 344 CDC 332 NELSON .SLC...NONE.
IDZ024-025-UTZ001>021-WYZ021-261300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SALT LAKE CITY UT 310 AM MDT FRI JUL 25 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN TWO-THIRDS OF UTAH...EXTREME SOUTHEAST IDAHO AND EXTREME SOUTHWEST WYOMING .DAY ONE... TODAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN... SATURDAY THROUGH THURSDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. WCJIN-WYSW
The Cedar City radar (KICX), 66 km away, was scanning. The volume nearest the first event began at 20:52 UTC.
1 thunderstorm wind. Local standard time, as filed.
The St. George Airport recorded a thunderstorm wind gust to 58 mph (50 kts).
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Utah in 2003Every state in 2003This day in weather historyWarnings in Utah, July 2003
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: 5379727.