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 16, 2:45 PM MST, 45 minutes earlier.
UTAH AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SALT LAKE CITY UT 345 PM MDT MON SEP 16 2002 .SYNOPSIS...AN UPPER LOW WILL MOVE ACROSS CENTRAL UTAH TONIGHT. ANOTHER STORM SYSTEM WILL BRUSH THE NORTHERN PORTION OF THE AREA TUESDAY AFTERNOON AND NIGHT. .DISCUSSION...UPPER LOW CENTERED IN EAST CENTRAL NV WILL TRACK ACROSS CENTRAL UT TONIGHT. SURFACE BOUNDARY THAT SEPARATES THE RAIN COOLED AIR FROM THE PRE FRONTAL AIR IS IN CENTRAL UT. WITH STRONG WINDS STILL PRESENT ALOFT AND IMPRESSIVE DYNAMIC LIFT CONCUR WITH SPC ISSUANCE OF ANOTHER SEVERE THUNDERSTORM WATCH FOR CENTRAL AND NORTHEAST UT INTO THIS EVENING. OTHER BIG PROBLEM IS POTENTIAL FOR MORE HEAVY RAIN ON BURNS IN UTAH COUNTY. COMMA HEAD AREA NORTH OF THE SURFACE BOUNDARY HAS FILLED IN WITH SHOWERS AND SOME SPOTTER REPORTS OF HEAVY RAIN HAVE PROMPTED ISSUANCE OF A FLASH FLOOD WATCH FOR UTAH COUNTY...ALTHOUGH THE MAIN FLOODING/MUD SLIDE THREAT IS THE SPRINGVILLE AND SANTAQUIN BURN AREAS. SHORT WAVE NEAR 130-135W/48N THIS AFTERNOON IS NOT WELL INITIALIZED BY MODELS. ALTHOUGH THEY HAVE THE GENERAL IDEA CORRECT...VORT CENTERS DONT APPEAR CORRECTLY PLACED AND WATER VAPOR IMAGERY INDICATES TROUGH MIGHT BE MORE CONSOLIDATED THAN SHOWN BY MODELS. IN ANY CASE BOTH AVN/ETA BRING THIS FEATURE INTO NORTHERN ROCKIES TUESDAY AFTERNOON AND NORTHERN PORTION OF THE FORECAST AREA WILL BE ON THE POLAR SIDE OF THE JET AXIS TUES AFTERNOON AND NIGHT...SO HAVE GONE WITH THREAT OF RAIN. SNOW LEVEL DROPS TO AROUND 8500 FEET BY WED MORNING SO IF PRECIPITATION DOES OCCUR THERE COULD BE A DUSTING OF SNOW UP HIGH IN NORTHERN MOUNTAINS. MOISTURE LINGERS IN THE MODELS INTO EARLY WED BUT STRONG SUBSIDENCE ALOFT SHOULD KILL PRECIP THREAT. MORE BRUSH BYS THROUGH NEXT WEEKEND...BUT EC/MRF EXTENDED MODELS KEEP MAIN TROUGH TO THE EAST AND JET AXIS NORTH OF THE AREA. UKMET IS A BIT MORE INTERESTING WITH MEAN TROUGH RETROGRADING TO THE WEST SUNDAY..BUT HAVE GONE WITH PARTLY CLOUDY AND SLIGHTLY BELOW NORMAL TEMPS FOR NOW THROUGH THE PERIOD. SLC 842 CDC 530 DUNN .SLC...SEVERE THUNDERSTORM WATCH UNTIL 8 PM MDT FOR MUCH OF CENTRAL AND NORTHEAST UTAH ...FLASH FLOOD WATCH UNTIL 900 PM MDT FOR UTAH COUNTY...
The Cedar City radar (KICX), 91 km away, was scanning. The volume nearest the first event began at 22:32 UTC.
1 thunderstorm wind. Local standard time, as filed.
Thunderstorm winds were clocked at 64 mph (56 kts) at Brimstone Reservoir, 21 miles WSW of Milford.
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: 5324786.