Alert archive / Utah / Flash Flood Warnings in 2016
Flash Flood Warning 11, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flash flood warning at Aug 3, 2016, 4:14 PM MDT for Kane County, Washington 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 3, 2016, 4:14 PM MDT (22:14 UTC)
- Expired
- Aug 3, 2016, 7:15 PM MDT
- In force
- 3 hr
- Issued by
- NWS Salt Lake City, UT
- Area
- Storm-based polygon
- Flood severity
- None
Counties Kane County, UT, Washington County, UT
The radar
The Cedar City radar (KICX), 40 km from the middle of the area, began a volume at 22:14 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
Las Vegas, NV (KVEF), launched 12:00Z, 10.2 hours before the alert went out and 246 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
- 496 J/kg
- Mixed-layer CIN
- -182 J/kg
- Mixed-layer LCL
- 2123 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 68 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
848
WGUS55 KSLC 032216
FFWSLC
UTC025-053-040115-
/O.NEW.KSLC.FF.W.0011.160803T2214Z-160804T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
414 PM MDT WED AUG 3 2016
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WESTERN KANE COUNTY IN UTAH...
EAST CENTRAL WASHINGTON COUNTY IN UTAH...
* UNTIL 715 PM MDT
* AT 414 PM MDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN OVER THE NORTH FORK OF THE VIRGIN RIVER IN ZION
NATIONAL PARK.
* RADAR RAINFALL ESTIMATES INDICATE THAT NEARLY AN INCH OF
PRECIPITATION IN A SHORT PERIOD OF TIME HAS FALLEN IN THE
HEADWATER AREAS OF THE NORTH FORK. FLASH FLOODING WILL COURSE
SOUTH UNTIL ATTENUATING INTO THE VIRGIN RIVER NEAR VIRGIN...UTAH.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ZION NATIONAL PARK AND SPRINGDALE.
LAT...LON 3720 11306 3725 11302 3738 11295 3735 11285
3716 11300 3716 11302
$$
MCINERNEY1 follow-up statement
744
WGUS75 KSLC 032259
FFSSLC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
459 PM MDT WED AUG 3 2016
UTC025-053-040115-
/O.CON.KSLC.FF.W.0011.000000T0000Z-160804T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KANE UT-WASHINGTON UT-
459 PM MDT WED AUG 3 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM MDT FOR
WESTERN KANE AND EAST CENTRAL WASHINGTON COUNTIES...
AT 454 PM MDT...THE NATIONAL PARK SERVICE REPORTED FLASH FLOODING
ALONG THE NORTH FORK IN THE TEMPLE OF SINAWAVA AREA. THIS FLOODING
WILL LIKELY EXPAND ALONG THE NORTH FORK AND CONTINUE INTO EARLY THIS
EVENING.
LAT...LON 3720 11306 3725 11302 3738 11295 3735 11285
3716 11300 3716 11302
$$
MCONGERThe 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, 4:42 PM MDT | Flash Flood Warning | SLC | Garfield, Wayne | 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.