Showers and thunderstorms developed across Utah at the end of the month, as a weakening low pressure system moved across the Great Basin. Due to dry air in the lower levels, many of these showers produced gusty winds, with an isolated storm even reaching severe thunderstorm status.
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.
Showers and thunderstorms developed across Utah at the end of the month, as a weakening low pressure system moved across the Great Basin. Due to dry air in the lower levels, many of these showers produced gusty winds, with an isolated storm even reaching severe thunderstorm status.
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 Mar 31, 2:39 PM MST, 3 hours 11 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SALT LAKE CITY UT 339 PM MDT SUN MAR 31 2013 .SYNOPSIS...A WEAKENING LOW PRESSURE SYSTEM WILL SLOWLY CROSS THE GREAT BASIN TONIGHT THROUGH TUESDAY. HIGH PRESSURE WILL RETURN FOR MIDWEEK...BEFORE ANOTHER SYSTEM CROSSES THE AREA LATE THURSDAY INTO FRIDAY. && .DISCUSSION...AFTERNOON WATER VAPOR IMAGERY AND OBJECTIVE ANALYSIS SHOW A MID LEVEL RIDGE AXIS SITUATED ACROSS THE FORECAST AREA...DOWNSTREAM FROM AN UPPER LOW APPROACHING THE CA COAST. UPSTREAM FROM THIS RIDGE AXIS CONVECTION IS FIRING ACROSS MUCH OF NV...WITH SHALLOW CONVECTION ALSO FIRING ACROSS SOUTHERN AND CENTRAL UT. AS THIS AXIS CONTINUES TO RETREAT EASTWARD THIS CONVECTION WILL GRADUALLY SPREAD INTO NORTHERN UT THROUGH THE EVENING AND OVERNIGHT HOURS. THE UPPER LOW APPROACHING THE PACIFIC COAST WILL SLOWLY CROSS THE FORECAST AREA MONDAY THROUGH MONDAY NIGHT. PRECIPITATION ACROSS THE AREA WILL LIKELY REMAIN SHOWERY MONDAY OWING TO A LACK OF STRONG FORCING...AS THIS LOW WILL BE SLOWLY FILLING AS IT PROGRESSES EASTWARD. AS THIS LOW CONTINUES EAST MONDAY NIGHT THERE IS SOME POTENTIAL FOR A MORE ORGANIZED AREA OF VALLEY RAIN/MOUNTAIN SNOW ACROSS PORTIONS OF NORTHERN/CENTRAL UT WITHIN WRAP AROUND REGION OF DEPARTING LOW. LARGELY LEFT GOING CHANCE VALLEY/LIKELY MOUNTAIN POPS THROUGH MONDAY NIGHT AND INTO TUESDAY. MID LEVEL RIDGING RETURNS MIDWEEK BEFORE A PROGRESSIVE SHORTWAVE CROSSES THE FORECAST AREA THURSDAY NIGHT INTO FRIDAY. 12Z GFS/EC SPREAD MOISTURE AND FORCING ACROSS NORTHERN UT THURSDAY NIGHT...AND AS SUCH HAVE BUMPED POPS A BIT FOR THIS PERIOD. && .AVIATION...LIGHT AND VARIABLE WINDS AT THE SLC TERMINAL WILL BECOME PREDOMINATELY NORTH TO NORTHWESTERY...BUT SHOULD REMAIN BELOW 7KTS FOR THE REMAINDER OF THE AFTERNOON. && .SLC WATCHES/WARNINGS/ADVISORIES... UT...NONE. WY...NONE. && SEAMAN/KRUSE 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 538 AM MDT SUN MAR 31 2013 UTZ001>016-019>021-517-518-WYZ021-011200- 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- 538 AM MDT SUN MAR 31 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN TWO THIRDS OF UTAH AND SOUTHWEST WYOMING. .DAY ONE...TODAY AND TONIGHT SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS THE SOUTHERN AND FAR WESTERN PORTIONS OF THE OUTLOOK AREA IN THE AFTERNOON THEN WORK THEIR WAY INTO THE NORTH DURING THE EVENING. SOME OF THESE COULD PRODUCE BRIEF GUSTY WINDS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY SHOWERS ALONG WITH ISOLATED THUNDERSTORMS WILL BECOME MORE WIDESPREAD ACROSS MUCH OF THE AREA MONDAY AND CONTINUE INTO TUESDAY BEFORE TAPERING OFF. SNOW LEVELS COULD FALL TO NEAR 7000 FEET OR LOCALLY LOWER FOR A TIME LATE MONDAY THROUGH TUESDAY MORNING BUT HEAVY ACCUMULATION IS NOT EXPECTED. A DRYING AND WARMING TREND IS FORECAST FOR WEDNESDAY THROUGH THURSDAY. .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 TRAVEL IMPACTS VISIT... HTTP://WWW.UDOTTRAFFIC.UTAH.GOV/ROADWEATHERFORECAST.ASPX
The Cedar City radar (KICX), 144 km away, was scanning. The volume nearest the first event began at 00:51 UTC.
1 thunderstorm wind. Local standard time, as filed.
The SR-12 at Boulder Summit sensor recorded a peak wind gust of 60 mph.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Utah in 2013Every state in 2013This day in weather historyWarnings in Utah, March 2013
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: 440635.