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 Aug 19, 2:30 PM MST, 3 hours 9 minutes earlier.
UTAH AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
330 PM MDT MON AUG 19 2002
.SYNOPSIS...SOUTHWEST FLOW ALOFT OVER UTAH THIS WEEK WITH MOISTURE
SLOWLY DECREASING OVER THE MOUNTAINS AND EAST AFTER TUESDAY.
.DISCUSSION...LOW AMPLITUDE RIDGE OVER THE PLAINS WITH A LOW PRESSURE
SYSTEM MOVING INTO THE PACIFIC NORTHWEST. MOST OF THE STATE OVER A
HALF INCH OF PW. DEEPER MOISTURE OVER EXTREME SOUTHERN UTAH. SOME
CONVECTION THIS AFTERNOON...BUT THUNDERSTORM DEVELOPMENT ISOLATED
OUTSIDE OF CENTRAL AND SOUTHERN MOUNTAINS. MOST ACTIVITY WILL BE
DIURNAL WITH ONLY A FEW THUNDERSTORMS EMERGING OVERNIGHT.
LOW WORKS INLAND OVERNIGHT INCREASING SOUTHWEST FLOW OVER THE
FORECAST AREA. DRIER AIR WILL MOVE IN FROM THE WEST DURING THE DAY
TOMORROW WITH MUCH OF THE MOISTURE AND CONVECTIVE DEVELOPMENT
REMAINING IN THE SAME AREAS AS TODAY. TEMPERATURES COOL A LITTLE AS
THE THERMAL RIDGE IS PUSHED EAST AS WELL.
AS THE LOW CONTINUES TO MOVE INLAND...MOISTURE IS SWEPT EAST OF THE
FORECAST AREA WEDNESDAY BY STRONG SOUTHWEST FLOW ALOFT. THE LOW MOVES
INTO NORTHEAST NEVADA BY THURSDAY AFTERNOON WITH A BAROCLINIC ZONE
SETTING UP OVER NORTHWEST UTAH. SOME CONVECTION IS POSSIBLE CLOSE
TO THE COLD AIR POCKET AND LOW LEVEL BAROCLINIC ZONE ASSOCIATED WITH
THE LOW. ALSO EXPECT A LITTLE COOLING OVER NORTHWEST UTAH WITH LITTLE
CHANGE ELSEWHERE. DO NOT SEE MUCH CHANGE THROUGH FRIDAY AS THE LOW
REMAINS OVER NORTHEAST NEVADA.
THE LOW WILL EVENTUALLY LIFT NORTH THROUGH THE WEEKEND WITH DRIER
CONDITIONS AND WARMER TEMPERATURES RETURNING TO NORTHWEST UTAH.
SLC 1110 CDC 2110 NELSON
.SLC...RED FLAG WARNING THIS EVENING FOR SOUTHWEST VALLEYS AND
SOUTHWEST UTAH MOUNTAINS FOR STRONG WINDS AND LOW RELATIVE
HUMIDITY.
RED FLAG WARNING TUESDAY FOR WESTERN DESERTS AND MOUNTAINS
FOR STRONG WINDS AND LOW RELATIVE HUMIDITY.The Salt Lake City radar (KMTX), 45 km away, was scanning. The volume nearest the first event began at 00:41 UTC.
1 thunderstorm wind. Local standard time, as filed.
A thunderstorm produced a 58 mph (50 kts) wind gust at the Ogden Airport.
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, August 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: 5324694.