Deep moisture returned to the state of Utah in the last week of July, with multiple flash flood events reported across the state July 29 through 31.
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.
Deep moisture returned to the state of Utah in the last week of July, with multiple flash flood events reported across the state July 29 through 31.
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 29, 9:37 AM MST, 2 hours 23 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SALT LAKE CITY UT 1037 AM MDT TUE JUL 29 2014 .SYNOPSIS...A VERY MOIST AIR MASS WILL REMAIN OVER THE AREA THROUGH EARLY WEDNESDAY. A SLOW DRYING TREND WILL TAKE HOLD BEGINNING WEDNESDAY AS HIGH PRESSURE ALOFT STRENGTHENS ACROSS THE INTERIOR WEST. && .DISCUSSION...TWO MID LEVEL CIRCULATION CENTERS WILL INTERACT WITH A VERY MOIST AIRMASS TO BRING SHOWER AND THUNDERSTORM ACTIVITY TO MUCH OF UTAH THROUGH THIS EVENING. THE PRECIPITABLE WATER VALUE OF 1.34 INCHES FROM THE 1200 UTC KSLC SOUNDING IS ABOUT 2.5 STANDARD DEVIATIONS ABOVE NORMAL. THE FIRST CIRCULATION CENTER..LOCATED OVER NORTHERN UTAH...WILL DRIFT SLOWLY TO THE EAST TODAY. EXPECT MOSTLY CLOUDY SKIES OVER MUCH OF NORTHERN UTAH WITH NUMEROUS SHOWERS AND THUNDERSTORMS THROUGH THE DAY. THE SECOND CIRCULATION CENTER OPENS INTO AN OPEN WAVE AND MOVES INTO SOUTHWEST UTAH THIS AFTERNOON. SOUTHERN UTAH IS RECEIVING A FAIR AMOUNT OF SUNSHINE THIS MORNING AND THIS AREA WILL DESTABILIZE AS WE HEAD TOWARD AFTERNOON. THUS EXPECT SCATTERED THUNDERSTORMS TO DEVELOP ACROSS THE SOUTHERN PORTION OF THE STATE THIS AFTERNOON. WITH LIMITED FLOW...MLCAPE VALUES OF 1000-1500 J/KG...AND A VERY MOISTURE RICH ENVIRONMENT SOME STORMS WILL BE CAPABLE OF PRODUCING HEAVY RAIN ACROSS THE STATE THIS AFTERNOON. IN THIS UPDATE HAVE INCREASED POPS ACROSS SOUTHWEST UTAH AS WELL AS PORTIONS OF NORTHERN UTAH. TEMPERATURES WILL BE A LITTLE COOLER TODAY WITH MOST WESTERN VALLEYS SEEING MAX TEMPERATURES IN THE LOW TO MID 80S....WHILE EASTERN VALLEYS HAVE HIGHS IN THE LOW TO MID 90S. THIS IS WELL COVERED IN CURRENT GRIDS AND ONLY MINIMAL ADJUSTMENTS WERE MADE THERE. && .AVIATION...VFR CONDITIONS ARE EXPECTED TO PREVAIL THROUGH THE TAF PERIOD AT THE SLC TERMINAL. LIGHT AND VARIABLE WINDS WILL BECOME PREDOMINANTLY NORTH-NORTHWESTERLY BETWEEN 17-18Z. SHOWERS AND THUNDERSTORMS IN THE VICINITY OF THE TERMINAL WILL CAUSE PERIODS OF GUSTY AND/OR ERRATIC WINDS THIS AFTERNOON...WITH A 20 PERCENT CHANCE OF MVFR CONDITIONS IN HEAVY RAIN AFTER 18Z. && .FIRE WEATHER...MONSOONAL MOISTURE WILL REMAIN OVER THE DISTRICT TODAY. FOCUS OF SHOWERS AND THUNDERSTORMS WILL BE OVER NORTHERN UTAH BUT SCATTERED CONVECTION WILL OCCUR OVER SOUTHERN UTAH AS WELL. A SLOW DRYING TREND WILL COMMENCE FOR THE MIDDLE TO LATTER PART OF THE WEEK...THOUGH THE THREAT OF CONVECTION REMAINS. WINDS ARE EXPECTED TO BE GENERALLY LIGHT OVER THE NEXT FEW DAYS WITH HIGH PRESSURE IN PLACE. && .SLC WATCHES/WARNINGS/ADVISORIES... UT...NONE. WY...NONE. && PUBLIC...GRAHAM FIRE WEATHER...TRAPHAGAN AVIATION...VERZELLA FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT... HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE) FOR FREQUENTLY ASKED QUESTIONS ABOUT THE AREA FORECAST DISCUSSION VISIT... HTTP://WEATHER.GOV/SALTLAKECITY/GENERAL/AFD_FAQS.PHP (ALL LOWER CASE)
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SALT LAKE CITY UT 546 AM MDT TUE JUL 29 2014 UTZ001>016-019>021-517-518-WYZ021-301215- 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- 546 AM MDT TUE JUL 29 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN TWO THIRDS OF UTAH AND SOUTHWEST WYOMING. .DAY ONE...TODAY AND TONIGHT SCATTERED SHOWERS ACROSS MUCH OF WESTERN UTAH EARLY THIS MORNING WILL INCREASE IN AREAL COVERAGE THROUGHOUT THE DAY. THE GREATEST CONCENTRATION OF SHOWERS WILL REMAIN ACROSS NORTHERN UTAH WHERE PERIODS OF BRIEF HEAVY RAINFALL WILL BE POSSIBLE. ISOLATED THUNDERSTORMS WILL DEVELOP AGAIN BY THIS AFTERNOON. THESE STORMS WILL ALSO HAVE THE POTENTIAL TO GENERATE HEAVY RAINFALL. AFTERNOON HIGH TEMPERATURES WILL REMAIN BELOW LATE JULY NORMS DUE TO PRECIPITATION AND CLOUD COVER. READINGS WILL RANGE BETWEEN 5 AND 10 DEGREES BELOW NORMAL ACROSS MOST OF THE OUTLOOK AREA. SHOWER AND THUNDERSTORM ACTIVITY WILL CONTINUE IN EARLY THIS EVENING...THEN GRADUALLY DECREASE HEADING INTO LATE EVENING. THE MOST LIKELY AREA FOR PRECIPITATION TO LINGER OVERNIGHT WILL REMAIN ACROSS NORTHEAST UTAH THROUGH SOUTHWEST WYOMING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY LINGER MOISTURE WILL ALLOW FOR SOME AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS ON WEDNESDAY. A NEW WEATHER DISTURBANCE MOVING NORTH THROUGH NEVADA AND WESTERN UTAH WILL PRODUCE SHOWERS AND STORMS ACROSS SOUTHWEST UTAH LATE THURSDAY...THEN ACROSS MUCH OF NORTHWEST UTAH FRIDAY. STRENGTHENING HIGH PRESSURE ALOFT WILL BRING WARMER AND DRIER CONDITIONS TO MUCH OF THE OUTLOOK AREA OVER THE WEEKEND. THE THREAT FOR SHOWERS AND THUNDERSTORMS WILL RETURN TO MAINLY WESTERN UTAH LATE SUNDAY AND MONDAY AS THE NEXT WEATHER DISTURBANCE ROLLS NORTH OUT OF ARIZONA. .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) FOR INFORMATION ON POTENTIAL ROAD TRAVEL IMPACTS VISIT... HTTP://WWW.UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX
The Salt Lake City radar (KMTX), 106 km away, was scanning. The volume nearest the first event began at 18:57 UTC.
6 flash flood. Local standard time, as filed.
Heavy rain caused flash flooding in Eagle Mountain, Utah, specifically in the Cedar Pass Ranch neighborhood. Flood waters were primarily limited to two properties, with one home experiencing significant damage.
Park rangers at Capitol Reef National Park reported flash flooding along Pleasant Creek, the South Draw Road, and the Sheets Gulch area.
Heavy rain fell on an actively burning fire near Levan and caused a debris flow. Mud and debris flowed onto State Route 28 between Levan and Gunnison, shutting down a 12 mile stretch of the road. Flood waters also washed out a campground, and flooded one basement.
Heavy rain on a burn scar near Levan caused a debris flow for the second time in three days. Debris slid onto a portion of State Route 28, temporarily closing the road.
Flash flooding occurred along Sulphur Creek and in the main campground at Capitol Reef National Park.
Flash flooding was reported in Croton Canyon near Lake Powell.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Utah in 2014Every state in 2014This day in weather historyWarnings in Utah, July 2014
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: 537855, 537857, 537861, 537862, 537858, 537859.