1 funnel cloud, 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 May 7, 8:42 AM MST, 4 hours 38 minutes earlier.
UTAH AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SALT LAKE CITY UT 942 AM MDT WED MAY 7 2003 .SYNOPSIS...A SERIES OF PACIFIC STORM SYSTEMS WILL AFFECT THE GREAT BASIN TODAY INTO THIS WEEKEND. .DISCUSSION...VORT MAX LIFTING NORTH THROUGH WESTERN UTAH THIS MORNING WITH BAND OF PRECIP OVER NORTHWEST UTAH. SHORT WAVE TROUGH TO MOVE THROUGH THIS AFTERNOON AND MAKE PRECIP MORE WIDESPREAD. UNTIL THEN...AIR MASS MOIST AND SOMEWHAT UNSTABLE FOR SCATTERED CONVECTION OVER MUCH OF THE FORECAST AREA TODAY. TROUGH AXIS MOVES THROUGH LATE THIS AFTERNOON/EARLY EVENING. THIS WILL INCREASE PRECIP CHANCES FOR WESTERLY SLOPES OF SOUTHERN UTAH. JET ORIENTED ALONG NORTHERN ARIZONA PROVIDING SOME LIFT AS WELL. AS THE SYSTEM SHIFTS EAST TONIGHT...CONVECTION WILL DIMINISH. SHOWERS SHOULD CONTINUE OVER THE MOUNTAINS AND AREAS FAVORED BY WESTERLY FLOW LASTING A BIT LONGER. THE NEXT CLOSED LOW TO MOVE INTO THE PACIFIC NORTHWEST TOMORROW MORNING AND SEND A VORT MAX INTO THE FORECAST AREA BY AFTERNOON. AIR MASS REMAINING SOMEWHAT UNSTABLE...SO SCATTERED SHOWERS WILL BE INITIATED BY THE AFTERNOON AS WELL. CLOUD AND PRECIP FIELDS HANDLED WELL TODAY...SO NO UPDATES PLANNED. SLC 656 CDC 555 NELSON .SLC...NONE.
IDZ024-025-UTZ001>021-WYZ021-081300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SALT LAKE CITY UT 700 AM MDT WED MAY 7 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... THURSDAY THROUGH TUESDAY A COLD PACIFIC STORM SYSTEM COULD BRING SIGNIFICANT MOUNTAIN SNOWFALL TO UTAH FROM LATE THURSDAY THROUGH FRIDAY NIGHT. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURE. WCJIN-WYSW
The Salt Lake City radar (KMTX), 201 km away, was scanning. The volume nearest the first event began at 20:17 UTC.
1 funnel cloud. Local standard time, as filed.
Thunderstorms moving through Duchesne County spawned a funnel cloud near the town of Fruitland. Brief heavy rain and small hail also fell from the storms.
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, May 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: 5379919.