Alert archive / Utah / Flash Flood Warnings in 2015
Flash Flood Warning 39, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flash flood warning at Jul 14, 2015, 3:31 PM MDT for Garfield County, Wayne County, Utah. It was in force for 119 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
- Jul 14, 2015, 3:31 PM MDT (21:31 UTC)
- Expired
- Jul 14, 2015, 5:30 PM MDT
- In force
- 119 min
- 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), 169 km from the middle of the area, began a volume at 21:32 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
Grand Junction, CO (KGJT), launched 12:00Z, 9.5 hours before the alert went out and 248 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
- 5 J/kg
- Mixed-layer CIN
- -211 J/kg
- Mixed-layer LCL
- 2220 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 47 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
240
WGUS55 KSLC 142131
FFWSLC
UTC017-055-142330-
/O.NEW.KSLC.FF.W.0039.150714T2131Z-150714T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
331 PM MDT TUE JUL 14 2015
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTH CENTRAL WAYNE COUNTY IN UTAH...
NORTHEASTERN GARFIELD COUNTY IN UTAH...
* UNTIL 530 PM MDT
* AT 328 PM MDT...NATIONAL PARK RANGERS CONTINUED TO REPORT FLASH
FLOODING IN CAPITOL REEF NATIONAL PARK. THIS FLOODING INCLUDES
SIGNIFICANT STANDING WATER ON THE SCENIC DRIVE...AS WELL AS
FLOODING CONTINUING IN CAPITOL GORGE AND GRAND WASH.
THIS FLASH FLOOD WARNING NOW CONTINUES THROUGH 530 PM...AND ALSO
INCLUDES THE NOTOM ROAD AND SHEETS GULCH...WHICH HAVE RECEIVED
ADDITIONAL HEAVY RAINFALL THIS AFTERNOON.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CAPITOL REEF NATIONAL PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMAIN ALERT FOR FLOODING EVEN IN LOCATIONS NOT RECEIVING RAIN. DRY
WASHES...STREAMS AND RIVERS CAN BECOME RAGING KILLER CURRENTS IN A
MATTER OF MINUTES...EVEN FROM DISTANT RAINFALL.
&&
LAT...LON 3833 11105 3808 11101 3807 11117 3826 11126
$$
SCHOENING1 follow-up statement
655 WGUS75 KSLC 142242 FFSSLC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 442 PM MDT TUE JUL 14 2015 UTC017-055-142330- /O.CON.KSLC.FF.W.0039.000000T0000Z-150714T2330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ WAYNE UT-GARFIELD UT- 442 PM MDT TUE JUL 14 2015 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM MDT FOR SOUTH CENTRAL WAYNE AND NORTHEASTERN GARFIELD COUNTIES... AT 438 PM MDT...NATIONAL PARK RANGERS CONTINUED TO REPORT FLASH FLOODING IN CAPITOL REEF NATIONAL PARK. THIS FLOODING INCLUDES SIGNIFICANT STANDING WATER ON THE SCENIC DRIVE...AS WELL AS FLOODING CONTINUING IN CAPITOL GORGE AND GRAND WASH. HIGH FLOWS ARE ALSO OCCURRING ALONG SULPHUR CREEK AND PLEASANT CREEK...AS WELL AS ALL WASHES ASSOCIATED WITH THESE TWO CREEKS. WITH HEAVY RAINFALL CONTINUING ON THE EASTERN BORDER OF CAPITOL REEF NATIONAL PARK...FLASH FLOODING IS STILL ALSO POSSIBLE ALONG NOTOM ROAD AND SHEETS GULCH. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMAIN ALERT FOR FLOODING EVEN IN LOCATIONS NOT RECEIVING RAIN. DRY WASHES...STREAMS AND RIVERS CAN BECOME RAGING KILLER CURRENTS IN A MATTER OF MINUTES...EVEN FROM DISTANT RAINFALL. && LAT...LON 3833 11105 3808 11101 3807 11117 3826 11126 $$ SCHOENING
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 12:31 PM MDT | Flash Flood Warning | SLC | Wayne | 3 hr |
| Jul 14, 1:53 PM MDT | Flash Flood Warning | SLC | Emery | 4 hr |
| Jul 14, 1:53 PM MDT | Severe Thunderstorm Warning | SLC | Emery | 37 min |
| Jul 14, 2:14 PM MDT | Severe Thunderstorm Warning | SLC | Emery | 31 min |
| Jul 14, 2:45 PM MDT | Severe Thunderstorm Warning | SLC | Carbon | 25 min |
| Jul 14, 5:29 PM MDT | Flash Flood Warning | SLC | Garfield, Wayne | 5 hr |
Nearby
Flash Flood Warnings in Utah, 2015Every flash flood warning in 2015
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.