Alert archive / Utah / Flash Flood Warnings in 2016
Flash Flood Warning 20, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flash flood warning at Aug 23, 2016, 4:03 PM MDT for Kane County, Utah. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 23, 2016, 4:03 PM MDT (22:03 UTC)
- Expired
- Aug 23, 2016, 7:00 PM MDT
- In force
- 3 hr
- Issued by
- NWS Salt Lake City, UT
- Area
- Storm-based polygon
- Flood severity
- None
County Kane County, UT
The radar
The Cedar City radar (KICX), 85 km from the middle of the area, began a volume at 22:04 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
Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 10.1 hours before the alert went out and 220 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
- 11 J/kg
- Mixed-layer CIN
- -112 J/kg
- Mixed-layer LCL
- 1169 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 10 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
611
WGUS55 KSLC 232207
FFWSLC
UTC025-240100-
/O.NEW.KSLC.FF.W.0020.160823T2203Z-160824T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
403 PM MDT TUE AUG 23 2016
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTH CENTRAL KANE COUNTY IN UTAH...
* UNTIL 700 PM MDT
* AT 403 PM MDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN OVER THE LOWER PARIA RIVER DRAINAGE. THIS ALSO
INCLUDES THE BUCKSKIN WASH. BOTH DRAINAGES ARE LOCATED IN THE
GRAND STAIRCASE ESCALANTE NATIONAL MONUMENT. FLASH FLOODING IS
EXPECTED SHORTLY.
* OVER AN INCH OF PRECIPITATION HAS FALLEN IN AROUND A 30 MINUTE
WINDOW IN THESE DRAINAGES. ADDITIONAL RAINFALL IS OCCURRING AND
MOVING DOWN DRAINAGE.
* FLASH FLOODING WILL REMAIN OVER SOUTH CENTRAL KANE COUNTY.
* IF YOU ARE TRAVELING IN AND AROUND THESE WASHES...PLEASE REMAIN
VIGILANT TO SUDDEN FLASH FLOODING THROUGH THESE AREAS.
LAT...LON 3732 11220 3734 11185 3700 11178 3700 11213
$$
MCINERNEY2 follow-up statements
542 WGUS75 KSLC 240008 FFSSLC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 604 PM MDT TUE AUG 23 2016 UTC025-240100- /O.CON.KSLC.FF.W.0020.000000T0000Z-160824T0100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KANE UT- 604 PM MDT TUE AUG 23 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM MDT FOR SOUTH CENTRAL KANE COUNTY... AT 604 PM MDT...FLASH FLOODING IS OCCURRING ON THE BUCKSKIN WASH AREA OF THE GRAND STAIRCASE ESCALANTE NATIONAL MONUMENT. THE BUCKSKIN WASH IS A VERY NARROW AND POPULAR SLOT CANYON THAT DRAINS INTO THE PARIA RIVER DRAINAGE AS IT CROSSES INTO ARIZONA. FLASH FLOODING IS ALSO ANTICIPATED ALONG THE PARIA RIVER UPSTREAM ABOUT 15 MILES. ALL OF THE FLOOD WATERS WILL FLOW INTO THE EVENING AND NIGHTTIME HOURS AND EVENTUALLY TERMINATE INTO THE COLORADO RIVER. LIGHT RAINFALL IS OCCURRING OVER THE DRAINAGE AND MAY CONTINUE THROUGH THE NIGHTTIME HOURS. PLEASE AVOID THESE DRAINAGES THROUGH THIS TIME FRAME. LAT...LON 3732 11220 3734 11185 3700 11178 3700 11213 $$ MCINERNEY
967 WGUS75 KSLC 240054 FFSSLC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 650 PM MDT TUE AUG 23 2016 UTC025-240100- /O.EXP.KSLC.FF.W.0020.000000T0000Z-160824T0100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KANE UT- 650 PM MDT TUE AUG 23 2016 ...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL KANE COUNTY WILL EXPIRE AT 700 PM MDT... THE FLASH FLOODING IN THE BUCKSKIN AND PARIA DRAINAGE CONTINUES TO FLOW AT DANGEROUS LEVELS. AS SUCH AN ADDITIONAL WARNING WILL BE ISSUED TO ADDRESS THE RESIDUAL FLOODING THROUGH ROUGHLY 9PM. LAT...LON 3732 11220 3734 11185 3700 11178 3700 11213 $$ MCINERNEY
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 5:14 PM MDT | Severe Thunderstorm Warning | SLC | Iron, Washington | 31 min |
| Aug 23, 5:44 PM MDT | Special Weather Statement | SLC | Washington | 31 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.