Alert archive / Utah / Flash Flood Warnings in 2007
Flash Flood Warning 7, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flash flood warning at Jul 24, 2007, 6:22 PM MDT for Rich County, Utah. It was in force for 113 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 24, 2007, 6:22 PM MDT (00:22 UTC)
- Expired
- Jul 24, 2007, 8:15 PM MDT
- In force
- 113 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Whole counties
County Rich County, UT
The radar
The Salt Lake City radar (KMTX), 108 km from the middle of the area, began a volume at 00:22 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Salt Lake City I, UT (KSLC), launched 00:00Z, 0.4 hours before the alert went out and 109 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1750 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS55 KSLC 250025 FFWSLC UTC033-250215- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SALT LAKE CITY UT 622 PM MDT TUE JUL 24 2007 THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHEASTERN RICH COUNTY IN UTAH... * UNTIL 815 PM MDT * AT 618 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED HEAVY RAINFALL...WHICH MAY LEAD TO A FLASH FLOOD. WATERWAYS EXPECTED TO FLOOD INCLUDE THE SOUTH AND NORTH FORK OF THE BEAR RIVER...DUCK CREEK AND SAGE CREEK LOCATED IN RICH COUNTY. * THIS THUNDERSTORM IS EXPECTED TO REMAIN OVER MAINLY RURAL AREAS OF RICH COUNTY. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. LAT...LON 4178 11129 4166 11122 4174 11104 4198 11104 $$ SMITH/MCINERNEY
1 follow-up statement
000 WGUS75 KSLC 250125 FFSSLC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 720 PM MDT TUE JUL 24 2007 UTC033-250215- RICH UT- 720 PM MDT TUE JUL 24 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM MDT FOR EAST CENTRAL RICH COUNTY... AT 712 PM MDT...DOPPLER RADAR INDICATES THAT THE HEAVIEST RAINFALL THAT FELL OVER EAST CENTRAL RICH COUNTY HAS MOVED NORTHWARD. HOWEVER...RUNOFF FROM THE INTENSE THUNDERSTORM IS EXPECTED TO FLOW THROUGH THE AREA FOR UNTIL 815 PM THIS EVENING. THE RUNOFF FROM THIS STORM IS EXPECTED TO FLOW THROUGH MAINLY RURAL AREAS OF EAST CENTRAL RICH COUNTY. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. LAT...LON 4178 11129 4166 11122 4174 11104 4198 11104 $$ MCINERNEY
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 3:46 PM MDT | Flash Flood Watch | SLC | 8 hr | |
| Jul 25, 4:23 PM MDT | Severe Thunderstorm Warning | SLC | Summit | 38 min |
| Jul 25, 4:43 PM MDT | Flash Flood Warning | SLC | Tooele | 3 hr |
| Jul 25, 5:58 PM MDT | Severe Thunderstorm Warning | SLC | Davis, Salt Lake | 47 min |
Nearby
Flash Flood Warnings in Utah, 2007Every flash flood warning in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.