Alert archive / Utah / Flash Flood Warnings in 2016
Flash Flood Warning 22, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flash flood warning at Aug 25, 2016, 12:58 PM MDT for Garfield County, Wayne County, Utah. It was in force for 3 hr. 2 reports 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 25, 2016, 12:58 PM MDT (18:58 UTC)
- Expired
- Aug 25, 2016, 4:00 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), 160 km from the middle of the area, began a volume at 19:01 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 25, 2:00 PM MDT | FLASH FLOOD | 5 Sse Fruita, UT | GRAND WASH ROAD FLOODED AND SCENIC DRIVE WAS CLOSED. |
| Aug 25, 2:10 PM MDT | FLASH FLOOD | 7 Sse Fruita, UT | PLEASANT CREEK FLASH FLOODED. |
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, 7.0 hours before the alert went out and 257 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
- 59 J/kg
- Mixed-layer CIN
- -309 J/kg
- Mixed-layer LCL
- 2146 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 184 m²/s²
- 0-3 km storm-relative helicity
- 276 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
971
WGUS55 KSLC 251858
FFWSLC
UTC017-055-252200-
/O.NEW.KSLC.FF.W.0022.160825T1858Z-160825T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
1258 PM MDT THU AUG 25 2016
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WESTERN WAYNE COUNTY IN UTAH...
NORTH CENTRAL GARFIELD COUNTY IN UTAH...
* UNTIL 400 PM MDT
* AT 1254 PM MDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN OVER CAPITOL REEF NATIONAL PARK...SPECIFICALLY SULFUR
CREEK...GRAND WASH AND CAPITOL GORGE. FLASH FLOODING IS EXPECTED
TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CAPITOL REEF NATIONAL PARK AND FRUITA.
LAT...LON 3802 11120 3835 11144 3846 11116 3808 11104
$$
MS2 follow-up statements
556 WGUS75 KSLC 252041 FFSSLC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 241 PM MDT THU AUG 25 2016 UTC017-055-252200- /O.CON.KSLC.FF.W.0022.000000T0000Z-160825T2200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WAYNE UT-GARFIELD UT- 241 PM MDT THU AUG 25 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 400 PM MDT FOR WESTERN WAYNE AND NORTH CENTRAL GARFIELD COUNTIES... AT 236 PM MDT...DOPPLER RADAR INDICATED SHOWERS AND THUNDERSTORMS PRODUCING LOCALLY HEAVY RAIN ACROSS THE WARNED AREA. THIS HAS RESULTED IN FLASH FLOODING ACROSS GRAND WASH ROAD. SCENIC DRIVE HAS BEEN CLOSED FOR PRECAUTIONARY MEASURES. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... CAPITOL REEF NATIONAL PARK AND FRUITA. LAT...LON 3802 11120 3835 11144 3846 11116 3808 11104 $$ MS
586 WGUS75 KSLC 252157 FFSSLC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 357 PM MDT THU AUG 25 2016 UTC017-055-252205- /O.EXP.KSLC.FF.W.0022.000000T0000Z-160825T2200Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WAYNE UT-GARFIELD UT- 357 PM MDT THU AUG 25 2016 ...THE FLASH FLOOD WARNING FOR WESTERN WAYNE AND NORTH CENTRAL GARFIELD COUNTIES WILL EXPIRE AT 400 PM MDT... FLOOD WATERS HAVE RECEDED IN CAPITOL REEF NATIONAL PARK. FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES. LAT...LON 3802 11120 3835 11144 3846 11116 3808 11104 $$ MS
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.