1 thunderstorm wind, 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 Sep 17, 4:25 PM MST, 3 hours 50 minutes earlier.
UTAH AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SALT LAKE CITY UT 525 PM MDT TUE SEP 17 2002 .SYNOPSIS...UPPER TROUGH STRENGTHENING OVER SOUTHERN OREGON WILL MOVE INTO NORTHERN UTAH LATE TONIGHT AND ACROSS ALL OF UTAH WEDNESDAY. A RIDGE OF HIGH PRESSURE WILL MOVE IN FOR THURSDAY THROUGH SATURDAY. .DISCUSSION...STORM SYSTEM SHARPENING UP OVER SOUTHEAST OREGON WILL CONTINUE TO DEVELOP AS IT MOVES INTO NORTHERN UTAH TONIGHT. A STRONG JET ON THE BACK SIDE SHOULD PROVIDE GOOD DIVERGENCE OVER UTAH BETWEEN MIDNIGHT AND SUNRISE WEDNESDAY MORNING WITH GOOD HEIGHT FALLS ALSO ASSOCIATED WITH SYSTEM. WIDESPREAD PRECIPITATION EXPECTED OVER THE NORTHERN THIRD OF CWA BY WEDNESDAY MORNING. COLD AND MOIST NORTHWEST FLOW WILL PREVAIL ACROSS THE NORTH THROUGH MOST OF THE DAY WITH SHOWERS SPREADING OUT ACROSS MOST OF THE SOUTH CENTRAL REGION BY AFTERNOON. THE MAIN AREAS OF HEAVIEST PRECIP WILL BE IN THOSE AREAS FAVORED BY NORTHWEST FLOW FROM ABOUT MILFORD TO THE IDAHO BORDER ALONG THE I-15 CORRIDOR. OVER 1.00 INCH AMOUNTS ARE POSSIBLE IN THIS CORRIDOR. THE AVN SHOWS SLIGHTLY COLDER TEMPS THEN THE ETA AND WILL LEAN IN THAT DIRECTION AS SYSTEM IN MOVING IN RAPIDLY WITH LITTLE MODERATION EXPECTED. SNOW LEVELS THEREFORE WILL BE BASED ON AVN 700MB TEMPS WHICH LOWERS IT DOWN TO BELOW 8000 FEET. BELIEVE ANY ACCUMULATING SNOW WILL REMAIN ABOVE 8000 FEET WITH SEVERAL INCHES POSSIBLE. THUS HAVE ISSUED A SPS FOR MOUNTAINS. STORM SYSTEM MOVES OUT RAPIDLY BY THURSDAY WITH DRY WEATHER EXPECTED FROM THEN THROUGH TUESDAY. THE MRF CONTINUES TO TREND TOWARD HIGHER HEIGHTS SUNDAY THROUGH TUESDAY WITH EACH CONSECUTIVE RUN. THE EC CONTINUES TO BE STRONGER WITH SYSTEM ON MONDAY BUT WILL LEAN TOWARD MRF TREND. SLC 8810 CDC 1210 STRUTHWOLF .SLC...FLASH FLOOD WATCH UTAH COUNTY.
IDZ024-025-UTZ001>010-012-014>017-WYZ021-180401- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 438 PM MDT TUE SEP 17 2002 ...SNOW FOR UTAH MOUNTAINS LATE TONIGHT THROUGH WEDNESDAY... SNOW LEVELS WILL BE LOWERING TO NEAR 7500 FEET IN THE NORTHERN UTAH AND EXTREME SOUTHEAST IDAHO MOUNTAINS WITH ACCUMULATIONS OF 1-2 INCHES BY MORNING ABOVE 8000 FEET. SNOW WILL CONTINUE ACROSS THESE MOUNTAINS OF NORTHERN UTAH INTO EARLY AFTERNOON WITH THE POTENTIAL FOR SEVERAL MORE INCHES. SNOW LEVELS WILL LOWER TO 8000 FEET IN SOUTHERN UTAH MOUNTAINS WEDNESDAY AFTERNOON WITH 1-3 INCHES POSSIBLE ABOVE THAT LEVEL BY WEDNESDAY EVENING. A DEVELOPING STORM SYSTEM OVER SOUTHEAST OREGON WILL MOVE INTO NORTHWEST UTAH AFTER MIDNIGHT TONIGHT AND CONTINUE TO DEEPEN OVER UTAH WEDNESDAY. THE STORM WILL MOVE RAPIDLY EAST WEDNESDAY NIGHT WITH DRYING OCCURRING IN ALL AREAS BY EARLY THURSDAY MORNING.
The Salt Lake City radar (KMTX), 201 km away, was scanning. The volume nearest the first event began at 03:16 UTC.
1 thunderstorm wind. Local standard time, as filed.
Several trees were blown down in Mountain Home, when a severe thunderstorm brought wind gusts estimated at 60 mph (52 kts).
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Utah in 2002Every state in 2002This day in weather historyWarnings in Utah, September 2002
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: 5324787.