Alert archive / Utah / Flash Flood Warnings in 2016
Flash Flood Warning 6, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this flash flood warning at Aug 1, 2016, 6:44 PM MDT for Kane County, Washington County, Utah. It was in force for 7 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 1, 2016, 6:44 PM MDT (00:44 UTC)
- Expired
- Aug 2, 2016, 1:45 AM MDT
- In force
- 7 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), 28 km from the middle of the area, began a volume at 00:47 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 00:00Z, 0.7 hours before the alert went out and 252 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
- 1704 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
295
WGUS55 KSLC 020044
FFWSLC
UTC025-053-020445-
/O.NEW.KSLC.FF.W.0006.160802T0044Z-160802T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
644 PM MDT MON AUG 1 2016
THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WEST CENTRAL KANE COUNTY IN UTAH...
EAST CENTRAL WASHINGTON COUNTY IN UTAH...
* UNTIL 1045 PM MDT
* AT 643 PM MDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN OVER ZION NATIONAL PARK, INCLUDING THE EAST FORK OF THE
VIRGIN RIVER AND THE NORTH FORK OF THE VIRGIN RIVER, INCLUDING THE
NARROWS. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ZION NATIONAL PARK...SPRINGDALE AND ROCKVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE
YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME
KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR
CREEKS.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 3747 11266 3714 11271 3714 11308 3747 11307
$$
SCHOENING4 follow-up statements
894 WGUS75 KSLC 020135 FFSSLC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 735 PM MDT MON AUG 1 2016 UTC025-053-020445- /O.CON.KSLC.FF.W.0006.000000T0000Z-160802T0445Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KANE UT-WASHINGTON UT- 735 PM MDT MON AUG 1 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 PM MDT FOR WEST CENTRAL KANE AND EAST CENTRAL WASHINGTON COUNTIES... AT 732 PM MDT...DOPPLER RADAR CONTINUED TO INDICATE STRONG THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS ZION NATIONAL PARK. THIS IS LIKELY RESULTING IN FLASH FLOODING IN MUCH OF THE PARK, INCLUDING THE EAST FORK OF THE VIRGIN RIVER, NORTH CREEK, KANAB CREEK, AND THE NORTH FORK OF THE VIRGIN, INCLUDING THE NARROWS. HEAVY RAIN WILL CONTINUE THROUGH 8 PM BEFORE EXITING THE PARK TO THE SOUTHWEST. HOWEVER, VERY HIGH FLOWS AND DANGEROUS FLASH FLOODING WILL CONTINUE INTO THE OVERNIGHT HOURS. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... ZION NATIONAL PARK...SPRINGDALE AND ROCKVILLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR CREEKS. PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU CAN DO SO SAFELY. && LAT...LON 3747 11266 3714 11271 3714 11308 3747 11307 $$ SCHOENING
251 WGUS75 KSLC 020321 FFSSLC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 921 PM MDT MON AUG 1 2016 UTC025-053-020445- /O.CON.KSLC.FF.W.0006.000000T0000Z-160802T0445Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KANE UT-WASHINGTON UT- 921 PM MDT MON AUG 1 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 PM MDT FOR WEST CENTRAL KANE AND EAST CENTRAL WASHINGTON COUNTIES... AT 918 PM MDT...DOPPLER RADAR INDICATED HEAVY RAIN HAS DECREASED IN INTENSITY ACROSS THE WARNED AREA. HIGH FLOWS ARE STILL OCCURRING DUE TO EARLIER HEAVY RAIN, WITH FLASH FLOODING ONGOING IN ZION NATIONAL PARK. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... ZION NATIONAL PARK...SPRINGDALE AND ROCKVILLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR CREEKS. && LAT...LON 3747 11266 3714 11271 3714 11308 3747 11307 $$ MCONGER
764 WGUS55 KSLC 020440 FFWSLC UTC025-053-020745- /O.EXT.KSLC.FF.W.0006.000000T0000Z-160802T0745Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE SALT LAKE CITY UT 1040 PM MDT MON AUG 1 2016 THE NATIONAL WEATHER SERVICE IN SALT LAKE CITY HAS EXTENDED THE * FLASH FLOOD WARNING FOR... WEST CENTRAL KANE COUNTY IN UTAH... EAST CENTRAL WASHINGTON COUNTY IN UTAH... * UNTIL 145 AM MDT * AT 1037 PM MDT...GAUGE REPORTS INDICATED ONGOING HEAVY RUNOFF THROUGH PORTIONS OF THE WARNED AREA. FLASH FLOODING WILL CONTINUE IN AND AROUND ZION NATIONAL PARK WELL AFTER MIDNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR CREEKS. && LAT...LON 3747 11266 3714 11271 3714 11308 3747 11307 $$ MCONGER
712 WGUS75 KSLC 020600 FFSSLC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE SALT LAKE CITY UT 1200 AM MDT TUE AUG 2 2016 UTC025-053-020745- /O.CON.KSLC.FF.W.0006.000000T0000Z-160802T0745Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ KANE UT-WASHINGTON UT- 1200 AM MDT TUE AUG 2 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 AM MDT FOR WEST CENTRAL KANE AND EAST CENTRAL WASHINGTON COUNTIES... AT 1159 PM MDT...GAUGE REPORTS INDICATED ONGOING HEAVY RUNOFF THROUGH PORTIONS OF THE WARNED AREA. FLASH FLOODING WILL CONTINUE IN AND AROUND ZION NATIONAL PARK WELL AFTER MIDNIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR CREEKS. && LAT...LON 3747 11266 3714 11271 3714 11308 3747 11307 $$ CRK
The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 6:58 PM MDT | Flash Flood Warning | SLC | Kane | 4 hr |
| Aug 1, 7:00 PM MDT | Areal Flood Advisory | SLC | Iron | 60 min |
| Aug 2, 3:44 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder, Tooele | 46 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.