Alert archive / Utah / Flash Flood Warnings in 2006
Flash Flood Warning 49, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flash flood warning at Oct 6, 2006, 6:20 PM MDT for Davis County, Utah. It was in force for 100 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Oct 6, 2006, 6:20 PM MDT (00:20 UTC)
- Expired
- Oct 6, 2006, 8:00 PM MDT
- In force
- 100 min
- Issued by
- NWS Salt Lake City, UT
- Area
- Counties, with a storm outline in the text
County Davis County, UT
The radar
The Salt Lake City radar (KMTX), 51 km from the middle of the area, began a volume at 00:21 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, 0.3 hours before the alert went out and 32 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
- 34 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 744 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 180 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 070025 FFWSLC UTC011-070200- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SALT LAKE CITY UT 620 PM MDT FRI OCT 6 2006 THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHEASTERN DAVIS COUNTY IN UTAH... * UNTIL 800 PM MDT. * AT 618 PM MDT...A TRAINED WEATHER SPOTTER REPORTED RAINFALL AMOUNTS OF 0.50 INCHES IN 15 MINUTES IN THE SNOW CANYON WILDFIRE BURN AREA NEAR THE TOWN OF LAYTON. THIS AMOUNT OF RAIN IS CAPABLE OF PRODUCING A DEBRIS FLOW THAT MAY FLOW OUT OF THE FOOTHILL AREAS JUST EAST FROM THE TOWN OF LAYTON. * IF YOU ARE IN THE VICINITY OF THE BURN AREA OR LIVE IN AREAS BELOW THE BURN...TAKE PRECAUTIONS FOR YOUR SAFETY. THESE FLOWS CAN BE VERY DANGEROUS AND MOVE AT VERY HIGH RATES OF SPEED. LAT...LON 4104 11191 4105 11187 4110 11189 4110 11192 $$ MCINERNEY
1 follow-up statement
000 WGUS75 KSLC 070058 FFSSLC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 653 PM MDT FRI OCT 6 2006 UTC011-070200- DAVIS UT- 653 PM MDT FRI OCT 6 2006 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 PM MDT FOR NORTHEASTERN DAVIS COUNTY... AT 648 PM MDT...INTENSE RAINFALL CONTINUES TO FALL OVER THE SNOW CANYON BURN AREA EAST OF LAYTON. THE INTENSE RAINFALL IS FALLING AT SUCH A RATE THAT A DEBRIS FLOW FROM THE BURN AREA IS PROBABLE. THIS AREA AND AREAS THAT DRAIN OUT OF THIS BURN WILL REMAIN VERY DANGEROUS THROUGHOUT THE EVENING AND NIGHTTIME HOURS. PLEASE USE EXTREME CAUTION WHEN VENTURING NEAR THIS AREA. DEBRIS FLOWS CAN FLOW AT VERY HIGH RATES OF SPEED AND CARRY LARGE AMOUNTS OF MATERIAL. LAT...LON 4106 11191 4106 11187 4110 11188 4110 11192 $$ MCINERNEY
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 6, 6:15 PM MDT | Severe Thunderstorm Warning | SLC | Iron | 30 min |
| Oct 6, 7:57 PM MDT | Flash Flood Warning | SLC | Davis | 3 hr |
Nearby
Flash Flood Warnings in Utah, 2006Every flash flood warning in 2006
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.