Alert archive / Utah / Flash Flood Warnings in 2016
Flash Flood Warning 12, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flash flood warning at Aug 3, 2016, 4:42 PM MDT for Garfield County, Wayne County, Utah. It was in force for 3 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 3, 2016, 4:42 PM MDT (22:42 UTC)
- Expired
- Aug 3, 2016, 7:45 PM MDT
- In force
- 3 hr
- Issued by
- NWS Salt Lake City, UT
- Area
- Storm-based polygon
- Flood severity
- None
Counties Garfield County, UT, Wayne County, UT
The radar
The Cedar City radar (KICX), 161 km from the middle of the area, began a volume at 22:43 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 3, 5:40 PM MDT | FLASH FLOOD | 1 Ne Fruita, UT | FREMONT RIVER JUMPED ITS BANKS AND WAS FLOWING OVER SR-24 IN CAPITOL REEF NATIONAL PARK. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Grand Junction, CO (KGJT), launched 12:00Z, 10.7 hours before the alert went out and 256 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
- 2440 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- -23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
220
WGUS55 KSLC 032245
FFWSLC
UTC017-055-040145-
/O.NEW.KSLC.FF.W.0012.160803T2242Z-160804T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
442 PM MDT WED AUG 3 2016
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL WAYNE COUNTY IN UTAH...
NORTHEASTERN GARFIELD COUNTY IN UTAH...
* UNTIL 745 PM MDT
* AT 442 PM MDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN OVER SULPHUR CREEK IN CAPITOL REEF NATIONAL PARK. FLASH
FLOODING IS OCCURRING AND FLOWING FROM SULPHUR CREEK INTO THE
FREMONT RIVER.
* RAINFALL AMOUNTS OF OVER AN INCH IN A SHORT PERIOD OF TIME HAVE
FALLEN OVER THE DRAINAGE.
* IF YOU ARE VENTURING OUT IN CAPITOL REEF...PLEASE USE PRUDENT
JUDGEMENT AS RAINFALL CONTINUES TO FALL OVER THE AREA.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CAPITOL REEF NATIONAL PARK AND FRUITA.
LAT...LON 3812 11125 3838 11138 3847 11118 3814 11104
$$
MCINERNEY2 follow-up statements
004 WGUS75 KSLC 032349 FFSSLC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 549 PM MDT WED AUG 3 2016 UTC017-055-040145- /O.CON.KSLC.FF.W.0012.000000T0000Z-160804T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WAYNE UT-GARFIELD UT- 549 PM MDT WED AUG 3 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM MDT FOR CENTRAL WAYNE AND NORTHEASTERN GARFIELD COUNTIES... AT 545 PM MDT...THE NATIONAL PARK SERVICE HAS REPORTED FLASH FLOODING IN CAPITOL REEF NATIONAL PARK. THE FLASH FLOODING IS ALONG THE FREMONT RIVER WITH WATER CROSSING OVER STATE ROUTE 24 IN THE PARK. HIGH FLOWS WILL CONTINUE ALONG THE FREMONT RIVER AND THROUGH AREA SLOT CANYONS AND SMALL CREEKS INTO EARLY THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. && LAT...LON 3812 11125 3838 11138 3847 11118 3814 11104 $$ MCONGER
137 WGUS75 KSLC 040141 FFSSLC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 740 PM MDT WED AUG 3 2016 UTC017-055-040150- /O.EXP.KSLC.FF.W.0012.000000T0000Z-160804T0145Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WAYNE UT-GARFIELD UT- 740 PM MDT WED AUG 3 2016 ...THE FLASH FLOOD WARNING FOR CENTRAL WAYNE AND NORTHEASTERN GARFIELD COUNTIES WILL EXPIRE AT 745 PM MDT... FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. PLEASE REMAIN VIGILANT IF YOU ARE TRAVELING ALONG SR 24 NEAR CANNONVILLE OR HANKSVILLE THROUGH THE EVENING AND NIGHTTIME HOURS. LAT...LON 3812 11125 3838 11138 3847 11118 3814 11104 $$ MCINERNEY
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 2:40 AM MDT | Flash Flood Watch | SLC | 19 hr | |
| Aug 3, 1:55 PM MDT | Flash Flood Warning | SLC | Kane | 6 hr |
| Aug 3, 2:55 PM MDT | Flash Flood Warning | SLC | Kane | 3 hr |
| Aug 3, 3:45 PM MDT | Flash Flood Warning | SLC | Washington | 4 hr |
| Aug 3, 4:14 PM MDT | Flash Flood Warning | SLC | Kane, Washington | 3 hr |
Nearby
Flash Flood Warnings in Utah, 2016Every flash flood warning in 2016
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.