A strong thunderstorm produced a severe wind gust in the northern Wasatch Front.
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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.
A strong thunderstorm produced a severe wind gust in the northern Wasatch Front.
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 Jun 4, 7:22 PM MST, 48 minutes earlier.
Area Forecast Discussion National Weather Service Salt Lake City UT 822 PM MDT Sun Jun 4 2017 .SYNOPSIS...A weak weather disturbance will bring a cold front through northern Utah tonight through Monday morning. High pressure will return for much of the remainder of the week. && .DISCUSSION...Very warm southwesterly flow remains over Utah and southwest Wyoming this evening, ahead of an approaching trough that is moving through Idaho as of 02Z. Ahead of this trough, isolated to widely scattered showers and thunderstorms have formed over parts of Utah, primarily initiating off of the higher terrain of central Utah, as well as the Uinta Mountains. Somewhat stronger storms have also clipped Utah's far northwest corner, but the best convective development has remained north of the Utah/Idaho border. The best upper level instability associated with this trough will remain north of Utah as it slides eastward, but the associated low level cold front will push across at least northern Utah overnight. This will usher in a cooler airmass, with Monday afternoon's temperatures across the north expected to be 5-10 degrees cooler than today's near record highs. This will temporarily slow the snow melt, with the highest flows in the short run for many local rivers expected Monday morning. This includes the Logan and Weber Rivers, which should continue to hover near/above flood stage Monday morning; see the Flood Watch and Warning for more details. The cooling trend will be short-lived, as heights build again starting Monday night. As the ridge amplifies, high temperatures will again approach record values by mid-week. Updated the forecast earlier this evening to add mentionable POPs to the eastern valleys, notably the Uinta Basin and Castle Country, where thunderstorms had begun to drift off of the terrain. No further updates are currently expected. The previous long term discussion follows. .LONG TERM (After 12Z Wednesday)...The medium range models are in strong agreement maintaining a high amplitude mid level ridge across the forecast area at the beginning of the long term period, before shifting this ridge axis east late Wendesday into Thursday, as a longwave trough develops along the west coast. The next result in will be temperatures well 10-15 degrees above climo (in some cases higher), along with increasing southerly winds by Thursday across the western valleys. The models remain in general agreement ejecting a rather potent shortwave trough through the northern Great Basin Friday through Friday night, which would push a strong cold front through northern Utah most likely Friday evening. Another warm and windy day would precede this frontal boundary during the day Friday, with perhaps strong winds along with convection along and behind the boundary Friday evening. Much cooler air is expected to follow for Saturday, knocking max temps back down near or potentially even below climo for next weekend. && .AVIATION...There is a 10 percent chance of a shower or thunderstorm impacting the SLC terminal between 02Z and 05Z, with gusty erratic winds as the most likely impact. Otherwise, southerly winds should prevail until a cold front moves through the area overnight, most likely switching winds to the northwest around 07-10Z. && .FIRE WEATHER...High pressure has shifted east of the forecast area this afternoon as a Pacific trough moves into the Great Basin. Southerly winds have increased and isolated spots of marginally critical fire weather conditions are possible through the early evening, but have not seen any yet so far today. A mostly dry cold front will move into northern Utah this evening and overnight. Gusty and erratic winds are possible with any storms in association with this front over the higher terrain as well as over northwest Utah. Northern Utah temperatures tomorrow will be up to 10F cooler than today, with just a few storms possible over the higher terrain tomorrow afternoon. High pressure will rebuild Tuesday and persist through much of the work week. The ridge axis will start to shift east Thursday ahead of another Pacific storm system moving onshore. Ahead of the trough, winds will become gusty, and the airmass should be dry enough at that point to support critical fire weather conditions. Fuels are currently not critically dry for most locations across the district, but this may change by midweek. Will monitor. && .SLC WATCHES/WARNINGS/ADVISORIES... UT...Flood Watch through Friday afternoon for UTZ006-009. WY...None. && PUBLIC/AVIATION...Schoening LONG TERM...Seaman FIRE WEATHER...Traphagan For more information from NOAA's National Weather Service visit... http://weather.gov/saltlakecity For frequently asked questions about the Area Forecast Discussion visit... http://weather.gov/saltlakecity/general/afd_faqs.php
Hazardous Weather Outlook National Weather Service Salt Lake City UT 247 AM MDT Sun Jun 4 2017 UTZ001>016-019>021-517-518-WYZ021-051300- 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- 247 AM MDT Sun Jun 4 2017 This Hazardous Weather Outlook is for the western two thirds of Utah and southwest Wyoming. .DAY ONE...Today and Tonight High elevation snowmelt will continue to cause swift, high and very cold flows along the waterways of northern Utah and southwest Wyoming. Avoid areas adjacent to waterways that are fed by high elevation snowmelt. Keep children and pets away from these life-threatening, fast-flowing waterways as they could be rapidly swept away. Locally critical fire weather conditions due to gusty winds and low humidity are forecast today near the Nevada border. .DAYS TWO THROUGH SEVEN...Monday through Saturday Waterways of northern Utah and southwest Wyoming will continue to be dangerous with high flows expected through the upcoming week. See the latest Flood Statements for details on specific waterways that are running at or near flood stage. Critical fire weather conditions due to gusty winds and low humidity are forecast for the end of the work week. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to standard operating procedures. Rogowski/Merrill For more information from NOAA/s National Weather Service visit... http://weather.gov/saltlakecity For information on potential road travel impacts visit... http://www.udottraffic.utah.gov/roadweatherforecast.aspx
The national radar mosaic for the moment the first event began.
1 thunderstorm wind. Local standard time, as filed.
Strong winds from a dry microburst knocked over a section of fence and caused damage to large tree limbs in Clearfield. In addition, a 64 mph wind gust was recorded at Hill Air Force Base.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Utah in 2017Every state in 2017This day in weather historyWarnings in Utah, June 2017
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: 710493.