2 flash flood, 1 heavy rain, as filed by the National Weather Service.
Every event with a place to put it; 3 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 Jul 30, 9:40 PM MST, 3 hours 20 minutes earlier.
AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE SALT LAKE CITY UT 1040 PM MDT SUN JUL 30 2006 .SYNOPSIS...UPPER HIGH WILL CONTINUE TO MOVE EAST AND SETTLE OVER THE PLAINS STATES OVER THE NEXT COUPLE OF DAYS. AIRMASS WILL REMAIN MOIST INTO THE EARLY PART OF THE WEEK. A PACIFIC COLD FRONT WILL MOVE THROUGH NORTHERN UTAH BY EARLY TUESDAY. && .DISCUSSION...LOW LEVEL BOUNDARY STALLED IN VERY MOIST AND UNSTABLE AIR MASS (PW VALUES 1.2+ INCHES) AND COMBINATION OF UPPER TROUGH SLOWLY PRESSING EAST ACROSS SOUTH CENTRAL UTAH CONTINUES STRONG THUNDERSTORMS WITH VERY HEAVY RAIN OVER CEDAR BREAKS AREA AND INTO PARTS OF KANE COUNTY AGAIN. RADAR ESTIMATES ARE HUGE IN THIS ARE WITH LARGE AREA OF 1 TO 3 INCHES AND LOCALLY HIGHER ON THE WEST SLOPE. CONTINUE WARNING FOR SMALL AREA AND SMALL STREAM FLOOD ADVISORY FOR LARGER AREA. MESOHIGH OVER SOUTHWEST UTAH SPREADING SOUTHERLY FLOW BACK UP TO DELTA THIS HOUR SO OLD BOUNDARY GETTING HARD TO LOCATE. WATER VAPOR HAS WELL DEFINED SUBIDENCE OVER DIXIE AREA WITH SOUTHWEST FLOW ALOFT INCREASING AHEAD OF THE APPROACHING EASTERN NEVADA DISTURBANCE. OLD UPPER LOW SPINNING OVER NEW MEXICO CREATES A DEFORMATION AXIS NOW OVER EASTERN UTAH AND KANE COUNTY. 810 PM DISCUSSION... UPPER TROUGH AND ASSOCIATED LOW LEVEL BOUNDARY WIND SHIFT CONTINUES TO PRESS ACROSS CENTRAL UTAH THIS EVENING. THIS BOUNDARY PRODUCED SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS IN NORTHEAST UTAH THIS MORNING AND TIMED WITH THE HEATING OF THE DAY BROUGHT SCATTERED THUNDERSTORMS TO UTAH THIS AFTERNOON FROM PROVO TO EVANSTON SOUTHWARD. NORTHWEST OF THIS LINE THE AIR MASS STABILIZED THROUGH THE AFTERNOON DUE TO NVA DRYING AND SUBSIDENCE IN THE WAKE OF THE UPPER TROUGH. STRONGEST STORMS ASSOCIATED WITH TERRAIN AND AIDED FROM UPPER LEVEL TROUGH OCCURRED FROM LOA TO BRIAN HEAD AND ACROSS MUCH OF KANE COUNTY. FLASH FLOOD WARNING CONTINUES FOR KANE COUNTY THIS HOUR WHERE RADAR ESTIMATES A LARGE ARE OF 1 TO 2 INCHES WITH MANY 3+ INCH MAXES OVER THE GRAND STAIRCASE. 00Z NAM CAPTURED THIS WELL. CURRENTLY STRONG STORMS CONTINUE TO PRODUCE HEAVY RAIN NEAR KODACHROME AND NEAR CEDAR BREAKS...JUST SOUTH OF A LOW LEVEL BOUNDARY OBSERVED FROM THE SAN RAFAEL SWELL TO SOUTHWEST UTAH...AND AHEAD OF THE UPPER TROUGH AXIS. ACTIVITY WILL GRADUALLY DECREASE WITH UPPER TROUGH PRESSING EAST AND LOSS OF HEATING...BUT SOME ACTIVITY PERSISTING IN THE SOUTHERN PART OF UTAH. A SEPARATE SHORT WAVE TROUGH IS OVER EASTERN NEVADA...THIS IS PROGGED TO LIFT NORTHEAST ACROSS WESTERN UTAH LATER TONIGHT AND BACK THE MEAN FLOW TO SOUTHWEST. THIS WILL GENERATE SCATTERED CONVECTION OVER WESTERN UTAH THIS EVENING...WITH PRECIPITABLE WATER PLUME RETURNING BACK TO THE IDAHO BORDER AND GSL REGION LATE TONIGHT AND MONDAY MORNING. UPDATED EARLIER TO REMOVE WEATHER IN NORTHWEST UTAH EXCEPT NEAR THE WYOMING AND NEVADA BORDERS. LEFT LOW CHANCES AFTER MIDNIGHT FOR THE RETURN SURGE OF MOISTURE AFTER MIDNIGHT SPREADING NORTH ACROSS NORTHERN UTAH. HOWEVER MOST OF THIS WILL BE MID AND UPPER LEVEL CLOUDS AND SCATTERED CONVECTION MAY HOLD OFF UNTIL LATE TONIGHT AND MONDAY MORNING IN THE NORTH...IT WILL AFFECT THE WESTERN DESERTS TONIGHT. CLOUDS AND SCATTERED PRECIPITATION WILL ADVECT ACROSS NORTHERN UTAH WITH THIS NEXT WAVE OVERNIGHT AND MONDAY MORNING. BROAD PACIFIC TROUGH MOVING INTO THE NORTHWEST COAST WILL DROP A COLD FRONT ACROSS NORTHERN UTAH MONDAY NIGHT. AHEAD OF THIS...SOUTH FLOW ALOFT WILL INCREASE ON MONDAY AND SPREAD MOISTURE BACK TO THE IDAHO BORDER. SIMILAR AIR MASS TEMPERATURES ON MONDAY AND HEATING OF THE DAY WILL REDEVELOP CONVECTION OVER THE SPINE OF UTAH...BUT FASTER MORNING STORMS...ESPECIALLY NORTH AREAS. THE MORNING SHORT WAVE TROUGH LIFTS ACROSS CENTRAL UTAH AND INTO FAR NORTHERN UTAH BY MIDDAY. OLD LOW LEVEL BOUNDARY IN THE SOUTH PROG TO SLOWLY LIFT NORTH INTO SOUTH CENTRAL UTAH PER 00Z NAM. MODERATE UPPER TROUGH CROSSES NORTHERN UTAH MONDAY NIGHT WITH GOOD PERIOD OF DYNAMICS AND BAROCLINIC ZONE MONDAY NIGHT AND TUESDAY MORNING ACROSS NORTHERN UTAH. THIS SWEEPS ACROSS THE REST OF UTAH TUESDAY AFTERNOON WITH DRYING FROM THE NORTHWEST. WARMING TREND LATTER HALF OF THE WEEK. && .AVIATION...NORMAL DRAINAGE WIND. 10 PERCENT CHANCE OF SHOWERS LATE TONIGHT AND MONDAY MORNING. && .FIRE WEATHER...DRIER AIR WORKED ITS WAY INTO NORTHWEST SECTIONS THIS AFTERNOON. FARTHER SOUTH DEEP MOISTURE REMAINS AND WETTING RAINS WILL OCCUR WITH ANY STORMS THROUGH MONDAY. COOLER TEMPERATURES WILL FILTER IN FROM NORTHWEST TO SOUTHEAST STARTING MONDAY NIGHT AND ESPECIALLY ON TUESDAY. && .SLC WATCHES/WARNINGS/ADVISORIES... UT...NONE. WY...NONE. && TARDY
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
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
843 PM MDT SUN JUL 30 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0330 PM HEAVY RAIN LOA 38.40N 111.64W
07/30/2006 M1.00 INCH WAYNE UT EMERGENCY MNGR
RAIN OCCURRED IN 30 MINUTES AND CAUSED DITCH AND BASEMENT
FLOODING
0430 PM FLASH FLOOD 15 SE CANNONVILLE 37.41N 111.86W
07/30/2006 KANE UT AMATEUR RADIO
KODACHROME BASIN REPORTS FLOODING IN PARK AND 0.86
RAINFALL.
0820 PM HEAVY RAIN 6 E CEDAR CITY 37.69N 112.96W
07/30/2006 E0.00 INCH IRON UT EMERGENCY MNGR
HEAVY RAIN CAUSED MUD SLIDES ALONG ROUTE 14. ROAD WAS
CLOSED DUE TO DEBRIS.
&&
ATARDYPRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
919 PM MDT SUN JUL 30 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0330 PM HEAVY RAIN LOA 38.40N 111.64W
07/30/2006 M1.00 INCH WAYNE UT EMERGENCY MNGR
RAIN OCCURRED IN 30 MINUTES AND CAUSED DITCH AND BASEMENT
FLOODING
0430 PM FLASH FLOOD 15 SE CANNONVILLE 37.41N 111.86W
07/30/2006 KANE UT TRAINED SPOTTER
KODACHROME BASIN REPORTS FLOODING IN PARK AND 0.86
RAINFALL.
0820 PM HEAVY RAIN 6 E CEDAR CITY 37.69N 112.96W
07/30/2006 E0.00 INCH IRON UT EMERGENCY MNGR
HEAVY RAIN CAUSED MUD SLIDES ALONG ROUTE 14. ROAD WAS
CLOSED DUE TO DEBRIS.
&&
ATARDYPRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1013 PM MDT SUN JUL 30 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0330 PM HEAVY RAIN LOA 38.40N 111.64W
07/30/2006 M1.00 INCH WAYNE UT EMERGENCY MNGR
RAIN OCCURRED IN 30 MINUTES AND CAUSED DITCH AND BASEMENT
FLOODING
0330 PM FLASH FLOOD 5 S HELPER 39.62N 110.86W
07/30/2006 CARBON UT BROADCAST MEDIA
GORDAN CREEK FLOODING ALONG CONSUMERS ROAD. EXACT TIME
AND OTHER DETAILS NOT KNOWN. BETWEEN SPRING GLEN AND
CARBONVILLE. RADAR ESTIMATES 2 INCHES RAIN.
0430 PM FLASH FLOOD 15 SE CANNONVILLE 37.41N 111.86W
07/30/2006 KANE UT TRAINED SPOTTER
KODACHROME BASIN REPORTS FLOODING IN PARK AND 0.86
RAINFALL.
0820 PM HEAVY RAIN 6 E CEDAR CITY 37.69N 112.96W
07/30/2006 E0.00 INCH IRON UT EMERGENCY MNGR
HEAVY RAIN CAUSED MUD SLIDES ALONG ROUTE 14. ROAD WAS
CLOSED DUE TO DEBRIS.
&&
ATARDYPRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1139 PM MDT SUN JUL 30 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0330 PM HEAVY RAIN LOA 38.40N 111.64W
07/30/2006 M1.00 INCH WAYNE UT EMERGENCY MNGR
RAIN OCCURRED IN 30 MINUTES AND CAUSED DITCH AND BASEMENT
FLOODING
0330 PM FLASH FLOOD 5 S HELPER 39.62N 110.86W
07/30/2006 CARBON UT BROADCAST MEDIA
GORDAN CREEK FLOODING ALONG CONSUMERS ROAD. EXACT TIME
AND OTHER DETAILS NOT KNOWN. BETWEEN SPRING GLEN AND
CARBONVILLE. RADAR ESTIMATES 2 INCHES RAIN.
0430 PM FLASH FLOOD 15 SE CANNONVILLE 37.41N 111.86W
07/30/2006 KANE UT TRAINED SPOTTER
KODACHROME BASIN REPORTS FLOODING IN PARK AND 0.86
RAINFALL.
0820 PM HEAVY RAIN 6 E CEDAR CITY 37.69N 112.96W
07/30/2006 E0.00 INCH IRON UT EMERGENCY MNGR
HEAVY RAIN CAUSED MUD SLIDES ALONG ROUTE 14. ROAD WAS
CLOSED DUE TO DEBRIS.
0900 PM FLASH FLOOD 5 E CEDAR CITY 37.69N 112.98W
07/30/2006 IRON UT OFFICIAL NWS OBS
COAL CREEK WENT FROM 26 TO 1011 CFS.
&&
ATARDYPRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1142 PM MDT SUN JUL 30 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0330 PM HEAVY RAIN LOA 38.40N 111.64W
07/30/2006 M1.00 INCH WAYNE UT EMERGENCY MNGR
RAIN OCCURRED IN 30 MINUTES AND CAUSED DITCH AND BASEMENT
FLOODING
0330 PM FLASH FLOOD 5 S HELPER 39.62N 110.86W
07/30/2006 CARBON UT BROADCAST MEDIA
GORDAN CREEK FLOODING ALONG CONSUMERS ROAD. EXACT TIME
AND OTHER DETAILS NOT KNOWN. BETWEEN SPRING GLEN AND
CARBONVILLE. RADAR ESTIMATES 2 INCHES RAIN.
0430 PM FLASH FLOOD 15 SE CANNONVILLE 37.41N 111.86W
07/30/2006 KANE UT TRAINED SPOTTER
KODACHROME BASIN REPORTS FLOODING IN PARK AND 0.86
RAINFALL.
0820 PM HEAVY RAIN 6 E CEDAR CITY 37.69N 112.96W
07/30/2006 E0.00 INCH IRON UT EMERGENCY MNGR
HEAVY RAIN CAUSED MUD SLIDES ALONG ROUTE 14. ROAD WAS
CLOSED DUE TO DEBRIS.
0900 PM FLASH FLOOD 5 E CEDAR CITY 37.69N 112.98W
07/30/2006 IRON UT OFFICIAL NWS OBS
COAL CREEK WENT FROM 26 TO 1011 CFS. RADAR ESTIMATES AREA
OF 2-4 INCHES RAIN.
&&
ATARDYPRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
147 AM MDT MON JUL 31 2006
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0330 PM HEAVY RAIN LOA 38.40N 111.64W
07/30/2006 M1.00 INCH WAYNE UT EMERGENCY MNGR
RAIN OCCURRED IN 30 MINUTES AND CAUSED DITCH AND BASEMENT
FLOODING
0330 PM FLASH FLOOD 5 S HELPER 39.62N 110.86W
07/30/2006 CARBON UT BROADCAST MEDIA
GORDAN CREEK FLOODING ALONG CONSUMERS ROAD. EXACT TIME
AND OTHER DETAILS NOT KNOWN. BETWEEN SPRING GLEN AND
CARBONVILLE. RADAR ESTIMATES 2 INCHES RAIN.
0430 PM FLASH FLOOD 15 SE CANNONVILLE 37.41N 111.86W
07/30/2006 KANE UT TRAINED SPOTTER
KODACHROME BASIN REPORTS FLOODING IN PARK AND 0.86
RAINFALL.
0820 PM HEAVY RAIN 6 E CEDAR CITY 37.69N 112.96W
07/30/2006 E0.00 INCH IRON UT EMERGENCY MNGR
HEAVY RAIN CAUSED MUD SLIDES ALONG ROUTE 14. ROAD WAS
CLOSED DUE TO DEBRIS.
0900 PM FLASH FLOOD 5 E CEDAR CITY 37.69N 112.98W
07/30/2006 IRON UT OFFICIAL NWS OBS
COAL CREEK WENT FROM 26 TO 1011 CFS. RADAR ESTIMATES AREA
OF 2-4 INCHES RAIN. 1519 CFS AT 1 AM MONDAY.
&&
ATARDYThe Cedar City radar (KICX), 66 km away, was scanning. The volume nearest the first event began at 08:01 UTC.
2 flash flood, 1 heavy rain. Local standard time, as filed.
North Fork of the Virgin River gause rose from 67 CFS to 682 CFS in 2 hours. Amatuer Radio operators report flooding of the North Fork.
2.89" of rain in 3 hours near Zion Narrows
Flash flooding on west side of town. Heavy equipment being used to divert water.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Utah in 2006Every state in 2006This day in weather historyWarnings in Utah, July 2006
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: 5525075, 5525076, 5525077.