Isolated severe thunderstorms moved through northwest Utah, with strong, gusty winds being reported with a couple storms.
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 episode as NWS SLC wrote it up.
Isolated severe thunderstorms moved through northwest Utah, with strong, gusty winds being reported with a couple storms.
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, 8:58 AM MST, 4 hours 22 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SALT LAKE CITY UT 958 AM MDT WED MAY 7 2008 .SYNOPSIS...A COLD FRONT WILL MOVE ACROSS UTAH TODAY AND TONIGHT. ANOTHER STORM SYSTEM WILL IMPACT THE AREA FRIDAY NIGHT WITH HIGH PRESSURE BUILDING FOR THE WEEKEND. && .DISCUSSION...CLOUDS ARE BUILDING ACROSS THE STATE AS A COLD FRONT ENTERS THE AREA. LINE OF PRECIP OVER WESTERN UTAH LOOKS TO BE IN ASSOCIATION WITH THE BOUNDARY. ADDITIONAL DEVELOPMENT IS EXPECTED LATER THIS AFTERNOON...PRIMARILY IN THE NORTH... WITH THE ARRIVAL OF THE ASSOCIATED UPPER TROUGH. OVER SOUTHERN UTAH...DRIER CONDITIONS WILL PREVAIL...AND WINDS WILL INCREASE THIS AFTERNOON AS THE FRONT MOVES CLOSER. SHOWER ACTIVITY WILL SHIFT SOUTH THIS EVENING AND INTO THE OVERNIGHT HOURS AND MILD FGEN FORCING WILL RESULT IN BETTER QPF IN CENTRAL AND SOUTHERN UTAH THAN IN NORTHERN UTAH TODAY. SURFACE RIDGING SHOULD MOVE IN FOR THURSDAY AS THE SYSTEM EXITS INTO COLORADO...RESULTING IN A RELATIVELY QUIET DAY. BEHIND THE FRONT...MAXES SHOULD BE ABOUT 10F COOLER THAN YESTERDAY...RIGHT AROUND CLIMO...SO TYPICAL SPRING CONDITIONS SHOULD CONTINUE TO PREVAIL. ALL MODELS BRING ANOTHER STORM SYSTEM/COLD FRONT THROUGH THE STATE ON FRIDAY. THIS ONE LOOKS SIMILAR TO THE SYSTEM TODAY EXCEPT THAT IT WILL TRACK A BIT FARTHER NORTH. FLAT RIDGING IS EXPECTED TO DEVELOP SATURDAY AFTERNOON THROUGH THE END OF THE WEEKEND. && .AVIATION...A BAND OF SHOWERS WILL BRIEFLY DROP CIGS BELOW 5000 FT AT THE KSLC TERMINAL AND THERE IS A 30 PERCENT CHANCE OF MVFR VSBYS IN RAIN UNTIL ABOUT 17Z. A BREAK IS EXPECTED BETWEEN ABOUT 17Z AND 20Z THEN SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP IN THE VICINITY OF THE TERMINAL. THERE IS A 40 PERCENT CHANCE OF BRIEF MVFR VSBYS WITH THESE AND CIGS ARE LIKELY TO DROP BELOW 5000 FT. && .FIRE WEATHER...WINDS WILL INCREASE ACROSS SOUTHERN UTAH TODAY AHEAD OF THE APPROACHING COLD FRONT. THE WINDY CONDITIONS WILL LAST THROUGH MID-EVENING. YESTERDAYS CLOUD COVER KEPT RELATIVE HUMIDITY NEAR 15 PERCENT FOR A MINIMUM BUT TODAYS WIND AND SUNSHINE WILL RESULT IN RH DECREASING BELOW 15 PERCENT...CREATING SEVERE FIRE WEATHER CONDITIONS. AS SUCH...THE PREVIOUSLY ISSUED RED FLAG WARNING FOR FIRE WEATHER ZONES 439 AND 440 APPEAR TO BE ON TRACK FOR TODAY. RAIN SHOWERS ARE MOVING ACROSS NORTHERN UTAH THIS MORNING AND SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS MUCH OF THE STATE THIS AFTERNOON. THESE STORMS WILL CONTINUE INTO THE EVENING HOURS AND WILL OFTEN BE ACCOMPANIED BY GUSTY WINDS. && .SLC WATCHES/WARNINGS/ADVISORIES... UT...RED FLAG WARNING FROM 2 PM WEDNESDAY TO 9 PM WEDNESDAY FOR UTAH FIRE WEATHER ZONES 439 AND 440. WY...NONE. && PUBLIC...TRAPHAGAN AVIATION...WILENSKY FIRE WX...SCHOENING FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SALT LAKE CITY UT 454 AM MDT WED MAY 7 2008 UTZ001>016-019>021-517-518-WYZ021-081100- CACHE VALLEY/UTAH PORTION-NORTHERN WASATCH FRONT- SALT LAKE AND TOOELE VALLEYS-SOUTHERN WASATCH FRONT- GREAT SALT LAKE DESERT AND MOUNTAINS-WASATCH MOUNTAIN VALLEYS- WASATCH MOUNTAINS I-80 NORTH-WASATCH MOUNTAINS SOUTH OF I-80- WESTERN UINTA MOUNTAINS-WASATCH PLATEAU/BOOK CLIFFS- WESTERN UINTA BASIN-CASTLE COUNTRY-SAN RAFAEL SWELL- SANPETE/SEVIER VALLEYS-WEST CENTRAL UTAH-SOUTHWEST UTAH- UTAHS DIXIE AND ZION NATIONAL PARK-SOUTH CENTRAL UTAH- GLEN CANYON RECREATION AREA/LAKE POWELL-CENTRAL MOUNTAINS- SOUTHERN MOUNTAINS-SOUTHWEST WYOMING- 454 AM MDT WED MAY 7 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN TWO THIRDS OF UTAH AND SOUTHWEST WYOMING. .DAY ONE...TODAY AND TONIGHT A PACIFIC STORM WILL MOVE ACROSS UTAH TODAY AND TONIGHT. SHOWERS WILL BE WIDESPREAD OVER NORTHERN UTAH THROUGH THE DAY AND WILL INCREASE IN CENTRAL UTAH DURING THE AFTERNOON AND EVENING. SOUTHERN UTAH WILL HAVE INCREASING SOUTHWEST TO WEST WINDS...LEADING TO SEVERE FIRE WEATHER CONDITIONS...BY MID-AFTERNOON. THUNDERSTORMS TODAY AND TONIGHT COULD BE STRONG WITH SMALL HAIL AND GUSTY WINDS. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THE NEXT COLD FRONT WILL ARRIVE FRIDAY...WITH WIDESPREAD SHOWERS AND LOCAL WINDY CONDITIONS RESULTING. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)
The Salt Lake City radar (KMTX), 155 km away, was scanning. The volume nearest the first event began at 20:17 UTC.
2 thunderstorm wind. Local standard time, as filed.
The Simpson Springs sensor in the Dugway mesonet recorded a 60 mph wind gust due to a thunderstorm.
A 58 mph wind gust due to a thunderstorm was recorded at the Provo AWOS.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Utah in 2008Every state in 2008This day in weather historyWarnings in Utah, May 2008
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: 102835, 102836.